Service Pack R15.0.7 Update

Service Pack UpdateANSYS, Inc. Southpointe 275 Technology Drive Canonsburg, PA 15317 [email protected] http://www.ansys.com (T) 724-746-3304 (F) 724-514-9494 Release 15.0.7 June 2014 ANSYS, Inc. is certified to ISO 9001:2008. Copyright and Trademark Information © 2014 SAS IP, Inc. All rights reserved. Unauthorized use, distribution or duplication is prohibited. ANSYS, ANSYS Workbench, Ansoft, AUTODYN, EKM, Engineering Knowledge Manager, CFX, FLUENT, HFSS, AIM and any and all ANSYS, Inc. brand, product, service and feature names, logos and slogans are registered trademarks or trademarks of ANSYS, Inc. or its subsidiaries in the United States or other countries. ICEM CFD is a trademark used by ANSYS, Inc. under license. CFX is a trademark of Sony Corporation in Japan. All other brand, product, service and feature names or trademarks are the property of their respective owners. Disclaimer Notice THIS ANSYS SOFTWARE PRODUCT AND PROGRAM DOCUMENTATION INCLUDE TRADE SECRETS AND ARE CONFIDENTIAL AND PROPRIETARY PRODUCTS OF ANSYS, INC., ITS SUBSIDIARIES, OR LICENSORS. The software products and documentation are furnished by ANSYS, Inc., its subsidiaries, or affiliates under a software license agreement that contains provisions concerning non-disclosure, copying, length and nature of use, compliance with exporting laws, warranties, disclaimers, limitations of liability, and remedies, and other provisions. The software products and documentation may be used, disclosed, transferred, or copied only in accordance with the terms and conditions of that software license agreement. ANSYS, Inc. is certified to ISO 9001:2008. U.S. Government Rights For U.S. Government users, except as specifically granted by the ANSYS, Inc. software license agreement, the use, duplication, or disclosure by the United States Government is subject to restrictions stated in the ANSYS, Inc. software license agreement and FAR 12.212 (for non-DOD licenses). Third-Party Software See the legal information in the product help files for the complete Legal Notice for ANSYS proprietary software and third-party software. If you are unable to access the Legal Notice, please contact ANSYS, Inc. Published in the U.S.A. Table of Contents Introduction ................................................................................................................................................. v 1. Platform, Product & CAD Support ........................................................................................................... 1 2. Downloads & Prerequisites ..................................................................................................................... 3 3. Installation .............................................................................................................................................. 5 4. Licensing ................................................................................................................................................. 7 4.1. Resolved Issues and Limitations ........................................................................................................ 7 5. Advisories & Compatibility Limitations .................................................................................................. 9 6. ANSYS Structural Products ................................................................................................................... 11 6.1. Mechanical ..................................................................................................................................... 11 6.1.1. Resolved Issues and Limitations .............................................................................................. 11 6.2. Mechanical APDL ............................................................................................................................ 12 6.2.1. Resolved Issues and Limitations .............................................................................................. 12 6.3. Autodyn ......................................................................................................................................... 15 6.3.1. Resolved Issues and Limitations .............................................................................................. 15 6.4. Aqwa .............................................................................................................................................. 16 6.4.1. Resolved Issues and Limitations .............................................................................................. 16 6.5. ASAS .............................................................................................................................................. 17 6.6. Beamcheck ..................................................................................................................................... 17 6.7. Fatjack ............................................................................................................................................ 17 6.8. ANSYS Composite PrepPost ............................................................................................................. 17 7. ANSYS Fluids Products .......................................................................................................................... 19 7.1. Fluent ............................................................................................................................................. 19 7.1.1. Resolved Issues and Limitations .............................................................................................. 19 7.1.2. Known Issues and Limitations ................................................................................................. 22 7.1.3. Documentation Corrections ................................................................................................... 22 7.2. CFX ................................................................................................................................................ 23 7.2.1. Resolved Issues and Limitations .............................................................................................. 23 7.2.2. Known Issues and Limitations ................................................................................................. 24 7.3. TurboGrid ....................................................................................................................................... 24 7.3.1. Resolved Issues and Limitations .............................................................................................. 24 7.4. BladeModeler ................................................................................................................................. 25 7.5. CFD-Post ........................................................................................................................................ 25 7.5.1. Resolved Issues and Limitations .............................................................................................. 25 7.6. Polyflow ......................................................................................................................................... 26 7.6.1. Documentation Corrections ................................................................................................... 26 8. ANSYS Electronics Products .................................................................................................................. 27 8.1. Icepak ............................................................................................................................................ 27 8.1.1. Resolved Issues and Limitations .............................................................................................. 27 9. ANSYS Geometry & Mesh Prep Products .............................................................................................. 29 9.1. CAD Connections & Integration ....................................................................................................... 29 9.1.1. Resolved Issues and Limitations .............................................................................................. 29 9.1.2. Known Issues and Limitations ................................................................................................. 31 9.2. DesignModeler ............................................................................................................................... 29 9.2.1. Resolved Issues and Limitations .............................................................................................. 30 9.2.2. Known Issues and Limitations ................................................................................................. 31 9.3. Meshing ......................................................................................................................................... 31 9.3.1. Resolved Issues and Limitations .............................................................................................. 31 9.4. IC Engine ........................................................................................................................................ 32 9.4.1. Resolved Issues and Limitations .............................................................................................. 32 9.5. ICEM CFD ........................................................................................................................................ 32 Release 15.0.7 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates. iii ANSYS, Inc. Service Pack R15.0.7 Update 9.6. Fluent Meshing ............................................................................................................................... 32 9.6.1. Resolved Issues and Limitations .............................................................................................. 32 10. ANSYS Simulation Products ................................................................................................................ 35 10.1. Workbench ................................................................................................................................... 35 10.1.1. Resolved Issues and Limitations ............................................................................................ 35 10.2. EKM .............................................................................................................................................. 36 10.2.1. Resolved Issues and Limitations ............................................................................................ 37 10.3. DesignXplorer ............................................................................................................................... 37 10.3.1. Resolved Issues and Limitations ............................................................................................ 38 iv Release 15.0.7 - © SAS IP, Inc. All rights reserved. - Contains proprietary and confidential information of ANSYS, Inc. and its subsidiaries and affiliates. 0. This document is subject to revision following publication. First-time users of the customer portal must register via the ANSYS Web site (www. correcting known issues and limitations across all ANSYS Inc. v .0. technical support and help to ensure that the issue described in the entry is resolved.Contains proprietary and confidential information of ANSYS.com) to create a password.7 is a general service pack. Service packs may become available for some of the entries.7) • Documentation Corrections (where applicable) Also included are corrections to known documentation inaccuracies and omissions.0) • Known Issues and Limitations (where applicable. Known Issues and Limitations document for Release 15. a ReadMe is available with information specific to: • Download Instructions • Prerequisites • Windows Installation Instructions • Linux Installation Instructions Release 15. 15.© SAS IP. All rights reserved.0.0 (forward and backward compatibility of files/databases). The following information is specific to ANSYS.ansys. Inc. See the customer portal for the latest version. See the customer portal for information about service packs and any additional items not included in this document.7 and serves as an update to the entries published in the ANSYS. Details of the release are included in this document. Inc.0. Note In addition to this document. . The release is fully compatible with Release 15. Inc. The parenthetical numbers associated with each entry are reference numbers corresponding to an internal bug tracking system. products.Introduction ANSYS 15. and its subsidiaries and affiliates. Within each product section (beginning with ANSYS Structural Products) are sub-sections: • Resolved Issues and Limitations (since Release 15. The numbers are included to help to facilitate ANSYS. specific to Release 15. Any inaccuracies found following publication of this document will be posted in the Documentation section on the ANSYS Customer Portal.0. Inc. Inc.7 . the Service Pack Update. vi Release 15.0. . and its subsidiaries and affiliates. All rights reserved.Contains proprietary and confidential information of ANSYS. Inc. .© SAS IP.7 . Inc. Service Pack 3 • Windows 8.0.0. All rights reserved. the following operating systems have updated versions (noted below) supported for Release 15.Chapter 1: Platform. Update 1 • Windows HPC Server 2008 R2 with Microsoft HPC 2008 R2 • Windows Server 2012 R2 with Microsoft HPC Pack 2012 R2 Since Release 15.Contains proprietary and confidential information of ANSYS. 1 . and its subsidiaries and affiliates.7: • Red Hat 6.5 • SuSE Linux Enterprise Server 11.7 . Product & CAD Support Since Release 15.1.0.0.7: • Inventor 2015 • NX 9. .© SAS IP.0. Inc. the following CAD packages have updated versions (noted below) supported for Release 15.0 (Windows only) • SolidWorks 2014 • SpaceClaim 2014 Release 15. Inc. and its subsidiaries and affiliates.0.© SAS IP. .7 . Inc. Inc. All rights reserved. .Contains proprietary and confidential information of ANSYS.2 Release 15. Located in the Downloads section of the customer portal.4 (TurboGrid License Connection) • ANSYS 15. . and its subsidiaries and affiliates. the Product Updates include: • ANSYS 15.0.© SAS IP.Contains proprietary and confidential information of ANSYS. 3 . Inc. All rights reserved. Inc.0.3 (LS-DYNA) • ANSYS 15.5 (Rigid Body Dynamics) Release 15.0.7 is inclusive of ANSYS Updates since Release 15.0.1 (Meshing Baffle) • ANSYS 15.0.0.0.7 .Chapter 2: Downloads & Prerequisites Release 15. .0. . All rights reserved. Inc.4 Release 15.© SAS IP. and its subsidiaries and affiliates.7 . Inc.Contains proprietary and confidential information of ANSYS. 0. Inc. Detailed instructions to uninstall the product are available via the ANSYS Customer Portal at Downloads> Documentation. and 8 use a feature called User Account Control (UAC) to control privileges and automatically reduce the potential of security breaches in the operating system.7 . UAC limits your accessibility to system areas and can cause unpredictable behavior in ANSYS products. Installation Guide for Windows. the installation steps contained in the current ANSYS. The customer portal is accessible from the ANSYS website (www. see Chapter 2: Platform Details and Chapter 3: Installing the Software in the ANSYS. Inc.ansys.7. Click the ANSYS 15. 5 . see the ANSYS Website> Support> Platform Support: http://www. Installation Guide for Windows may be accessed through ANSYS Customer Portal at Downloads> Documentation. Inc. Note: Except as described in this document. . Installation Guide for Windows are the same for Windows 8.7.ansys. Windows Installation Instructions Be aware that Windows 7. Inc.Contains proprietary and confidential information of ANSYS. and its subsidiaries and affiliates. the recommended installation option differs from what is contained in the ANSYS. Installation Guide for Windows. Installation Guide for Windows. For a complete listing of the ANSYS products supported on the Windows 8 operating system. Inc. Inc. See chapter 8: Uninstalling the Software. Release 15. inc.0. Known Issues and Limitations document for Release 15.© SAS IP. However. Recommended Installation: • UAC should be turned off and installation performed with full administrative privileges (using Run as Administrator from the context menu). Note: Because of UAC changes in Windows 8. we strongly recommend performing the installation with full administrative options. Please follow your operating system instructions for disabling UAC.0 Release Documentation link to download the ANSYS.0.0 must first be manually uninstalled before installing Release 15.com/Support/Platform+Support If you have problems installing Release 15. To perform the Windows installation.7 and serves as an update to the entries published in the ANSYS. Installation Guide for Windows.Chapter 3: Installation The following information is relevant to ANSYS Release 15.0. Inc. Please use the recommended installation procedure contained in this document when installing on Windows 8.0. All rights reserved. Inc. Inc. The ANSYS. please contact your IT department. Because of this limitation.0 Release Documentation link to download either the ANSYS. Installation Guide for Linux or the ANSYS. Click the ANSYS 15. Important ANSYS Release 15.com). All rights reserved. Inc.7 . 6 Release 15. . Installation Guide for Linux may be accessed through ANSYS Customer Portal at Downloads> Documentation.0 Release Documentation link to download the ANSYS. Click the ANSYS 15. Inc.© SAS IP. Installation Guide for Linux. see the ANSYS. inc. Inc.Contains proprietary and confidential information of ANSYS.Installation Linux Installation Instructions To perform the Linux installation. The ANSYS. Installation Guide for Linux. Inc.0. . and its subsidiaries and affiliates. © SAS IP. and its subsidiaries and affiliates.0. Inc. Known Issues and Limitations document for Release 15.7 . All rights reserved.7 and serves as an update to the entries published in the ANSYS. Inc. (76023) Release 15.1.0.Chapter 4: Licensing The following information is relevant to ANSYS Release 15. 4. (63233) An issue has been corrected where licenses were not being released when an application was closed.Contains proprietary and confidential information of ANSYS. Inc.0. Resolved Issues and Limitations Fluent no longer freezes between applications within Workbench when running with shared license. . 7 . .© SAS IP. Inc. .7 . Inc.Contains proprietary and confidential information of ANSYS. and its subsidiaries and affiliates. All rights reserved.8 Release 15.0. This issue was resolved with Microsoft's release of HPC Pack 2012 Service Pack 1.© SAS IP. Known Issues and Limitations document for Release 15.Chapter 5: Advisories & Compatibility Limitations The following information is relevant to ANSYS Release 15.7 and serves as an update to the entries published in the ANSYS. (85750) Release 15. All rights reserved. Inc. Inc.Contains proprietary and confidential information of ANSYS.7 .0.0. . and its subsidiaries and affiliates. 9 . A significant performance issue was discovered when running some solvers on Microsoft Windows Server 2012 with Microsoft HPC Pack 2012 installed. Inc. ANSYS recommends the installation of HPC Pack 2012 Service Pack 1 as this is now the version currently supported by RSM.0. Inc. . and its subsidiaries and affiliates. All rights reserved.Contains proprietary and confidential information of ANSYS.7 .0. Inc.© SAS IP.10 Release 15. . By default. and included in this Service Pack. (60429) Errors associated with result objects that are scoped to element-based Named Selection have been corrected. the mesh state was still shown to be up to date.1.7 and serves as an update to the entries published in the ANSYS.7 .Contains proprietary and confidential information of ANSYS.0. This has been fixed so the mesh will now reflect the correct state. Inc. (71179) The correction for the error described in Class3 Error Report WB2013-24. (74138) The element control option in Mechanical allows you to manually choose the integration scheme of the elements. (70267) In parallel part meshing. All options except for “Program Control” caused strain and stress data not to be transferred to ACP Post. Known Issues and Limitations document for Release 15. 11 . particularly when contact is transitioning from one surface to another adjacent surface. this data was missing in the result file and therefore the recomputation of the interlaminar shear stresses did not work. and its subsidiaries and affiliates. (73735) Errors associated with AVI or image file captures on Windows 8 have been corrected.1.0. if a rigid body failed to mesh. (26484) The mesher now respects mesh size controls on edge joints. de-select the Plot Elements Attached to Named Selections option in the Annotations Preferences window. The time required to display element-based Named Selections has been dramatically improved. (73825) The enhanced interlaminar shear stress evaluation in ACP Post is based on the element shear forces which are imported from the results file (RST). 6. To avoid the issue entirely. (46748) A Static or Transient Structural analysis with a Thermal Condition load can now be solved.© SAS IP.0. regarding the information given by redundancy analysis has been corrected and is now properly reported in redundancy analysis table. element-based Named Selections may display very slowly. All rights reserved.Chapter 6: ANSYS Structural Products 6. (72184) Internal edges orientation has been corrected to improve RBD solver robustness for contact models. (74141) Release 15. Inc.1. Mechanical The following information is relevant to ANSYS Release 15. (70267) Parallel part meshing has been improved so that it now respects Relevance when it is set to -100. Inc. (66737) Parallel part meshing now supports electromagnetics. Resolved Issues and Limitations Corrected a problem where the default surface mesher failed to perform a proper cleanup. . irrespective if all the materials used in the analysis defined the Coefficient of Thermal Expansion property in Engineering Data. (70267) When you employ the Plot Elements Attached to Named Selections option. (75182) The mapped data for Imported Loads in a 2D analysis is now correct when transformations are present in the Source Data. Inc. (79759) The solution process no longer terminates prematurely when writing the input file if a suppressed coordinate system is present in the tree. External Model. (74263) Fixed a problem where parallel part meshing failed if one part in a multipart assembly was rigid. (74358) The correction for the error described in the pending Class3 Error Report.© SAS IP.7 . (74166) Instanced parts with symmetry applied to them failed to solve because the mesh was copied from the instanced part to all other instances.0. a warning message is issued for the user to ensure that the numerical inputs for Missing Mass Effect and Rigid Response Effect resume correctly.2. Also. and its subsidiaries and affiliates. . (77331) Creating new remote points or remote boundary conditions. Resolved Issues and Limitations When internal nodes are created in a cyclic model. (74842) Crushable foam data will now be transferred to the solver correctly if a model includes a material using the crushable foam property. after re-importing mesh and geometry into Mechanical using Model Assembly.7 and serves as an update to the entries published in the ANSYS. no longer creates conflicts with existing remote boundary conditions.ANSYS Structural Products Changing the definition of a Coordinate System referenced by a Thickness object no longer results in Mechanical terminating abnormally. If your mesh was originally generated with ANSYS 15. Mechanical APDL The following information is relevant to ANSYS Release 15.2. The Missing Mass Effect ZPA and/or Rigid Response Effect ZPA values are now written into the input file respective of the Unit System selected in Mechanical. (80149) 6. there is no longer a crash in Mechanical. when resuming a database which was created using an older version of the product and a non-MKS unit system. (70035) 12 Release 15. loads are now transferred to the duplicate sector correctly in the pre-stressing step. Inc. (59776) 2D cyclic models using /CYCEXPAND with pilot nodes present no longer abort. (76038) The solution process no longer terminates when using a material with the crushable foam property in a model that also contains another material assigned to both rigid and flexible bodies.0 and failed. 6. is included in this Service Pack. All rights reserved. To fix this issue. or from ACP. In previous releases.1. . (76359) SetCenterOfMassAndOrientationAngles/SetCenterOfMassAndOrientationMatrix commands has been modified to work properly in any situation.0.0. (79475) A Pre-Stress Full Harmonic Analysis system now solves if you define temperature dependent and/or hyperelastic material properties in a model. (78018) If Boundary Conditions/Nodal Rotations are present on shared entities (nodes/edges/faces/etc) or a Coordinate System is specified in the Definition of the External Load while solving projects with Imported Displacement Loads. regardless the model topology. contains more than five materials and uses layered shells. you will need to manually clean and re-mesh the parts. Inc.Contains proprietary and confidential information of ANSYS. Known Issues and Limitations document for Release 15. each instanced part that has symmetry applied to it is now meshed individually. if defined. they were resumed incorrectly. which may occur during a solution involving constraint and/or coupling equations (e.Mechanical APDL Displacement scaling of plots of imaginary data (PLESOL/PLNSOL) has been corrected.g. In these scenarios the unconverged solution was not written to the results file. Inc.ALLKEEP.. This affected Workbench Mechanical users attempting to perform a restart of the nonlinear analysis. Now the program honors the user-specified tabular FNK value at all times. through an NROTAT command) and there is no translational displacement constraint (UX or/and UY or/and UZ) applied on that rotated node.RESTART) no longer terminate abnormally when the model contains hydrostatic fluid elements (HSFLD241.g. (72210) The correction for the error described in Class3 Error Report 2014-04 R1. .. the program no longer overrides the user-specified FKN value with a default value in the first substep of the first load step when a bisection occurs in that substep. (70724) Pretension loads are now deleted (ignored) in linear perturbation full harmonic analyses with PERTURB. (70035) A superelement that contains contact elements within the superelement itself no longer will abort during the expansion pass using multiple EXPSOL expansions.ELPREP command has been fixed to avoid the following error condition: "There are no active degrees of freedom".5. MPC contact. they will not cause oscillatory loads. is included in this Service Pack.0. 13 .HARMONIC. where the displacements of contact nodes may be updated incorrectly when the following conditions are all applied: • MPC bonded contact is set (KEYOPT(2)=2. (73380) Release 15.Contains proprietary and confidential information of ANSYS. HSFLD242) with prescribed force boundary conditions on them.© SAS IP.7 . KEYOPT(12)=4.abt. or models with large superelements. (70232) The PSOLVE. Inc.6 for contact element CONTA171 through CONTA177). and • Large deflection option is turned on (NLGEOM. (72939) The program has been fixed to avoid the error message "Integrity of data structures is lost". (71478) Distributed ANSYS has been fixed to properly abort a nonlinear analysis solution when using the "stop" button in the GUI (or "Interrupt Solution" button in Workbench Mechanical). and its subsidiaries and affiliates. (71339) The sparse solver has been fixed to avoid crashing when solving very large models.ON). (71902) Restart solutions (ANTYPE. All rights reserved.. that is. MPC184 with direct elimination option). (71123) The QRDAMP mode extraction method has been fixed to avoid failing when users request a large number of modes with models involving a high number of degrees of freedom. (70384) Deleting the surface heat flux load no longer deletes the surface convection load. and • Any contact node is rotated to a local coordinate system (e. (71622) The surface effect elements (SURF151-SURF156) have been fixed to avoid giving an incorrect solution when KEYOPT(4) = 0 (default) but when no midside nodes have been defined for these elements. (73666) In the case of normal contact stiffness (real constant FKN of contact elements) defined by tabular input. (71550) The sparse solver has been fixed to avoid failing when running in the out-of-core memory mode when partial pivoting is activated. or when using the file. . For models with millions of degrees of freedom and a large number of elastic modes. This has been corrected. Per the error.ANEL and TB.LN07 file when running in the incore memory mode. is included in this Service Pack.MPRS). where incorrect results are produced for linear thermal stress analyses with anisotropic elasticity defined by TB. The eigensolver will now report the converged modes in the given range more quickly. the program issues a WARNING message instead of an ERROR message.0. (77285) The correction for the error described in Class3 Error Report 2014–13. (75461) The stopping criteria for the PCG Lanczos eigensolver have been improved for the scenario when the number of requested modes far exceeds the actual number of modes in the supplied frequency range. (73988) The Block Lanczos eigensolver has been fixed to avoid writing the large jobname. (76296) Distributed ANSYS has been fixed to avoid the following error at launch: "The requested number of distributed-memory processes exceeds the number of physical processors that are available.SPECTRUM with SPOPT. Inc. is included in the Service Pack. this orthogonalization step could fail in previous releases.Contains proprietary and confidential information of ANSYS. is included in this Service Pack.TRANS) is mistakenly scaled by an internal factor depending on the transient integration parameters defined by TINTP. (75881) The final step of the residual vectors calculation (RESVEC command) is the orthogonalization with respect to the extracted elastic modes. (74182) Distributed ANSYS has been fixed to avoid failing while combining the results file for extremely large model sizes. (78293) 14 Release 15. the solution will be correct when the slip rate effect is included using one of the following methods: • Define friction as a function of sliding velocity via the TB.ELASTIC." (76333) The program has been fixed to avoid corrupting the results file when the user requests more than the initial maximum number of defined sets on the results file (10000 by default) and when the results file exceeds 16 GB in size.FRIC command. • Define static/dynamic friction via real constants FACT and DC. where in a Multi-Point Response Spectrum analysis (ANTYPE. (77403) Some multipoint response spectrum and random vibration (PSD) analyses may fail due to an integer overflow when the model size is large and/or when the number of modes is unusually high.© SAS IP.7 . (78082) When a portion of an element is located under the mud line in an ocean-loading analysis. where the slip rate used in a transient analysis (ANTYPE.TYPE. (74632) Material forces calculations enabled with the CINT command (CINT. .MFOR) has been fixed to avoid a crash when contact elements are present close to a crack tip.ANSYS Structural Products The correction for the error described in Class3 Error Report 2014-02.SRSS with AbsSumKey=YES) is incorrect. (76628) Mechanical APDL no longer aborts during solve when an input or a MAPDL model has element 180 with INISTATE and MP commands but no TB commands. (74231) The correction for the error described in Class3 Error Report 2014-03. and its subsidiaries and affiliates. All rights reserved. Inc. This problem is now corrected. the solution obtained with the Absolute Sum combination method (SPOPT. (78839) The correction for the error described in Class3 Error Report 2014–11. Per the error. Per the error. (71012) The solution process no longer terminates prematurely when in the same Autodyn session a coupled Euler-Lagrange analysis is followed by a non coupled analysis.0. SOLID186). (80901) 6. Known Issues and Limitations document for Release 15.TRANS with TRNOPT.F.1. SOLID187) or higher order degenerate brick elements (for example. (79149) ANSYS distribution media now includes the user routine userCZM. (70795) The solution process no longer terminates prematurely when a model with initialized solvers strings in combination with tied faces is run in parallel. wear is not calculated correctly for one of the nodes of the contact elements CONTA174. (71358) Release 15. 15 . .Autodyn The equation assembly procedure has been corrected to avoid using excessive amounts of memory. when handling constraint equations with thousands of terms. where if wear is simulated by using the TB. and its subsidiaries and affiliates.7 .MSUP) will now run correctly if the modes do not fit in the available memory (RAM). (79554) The correction for the error described in Class3 Error Report 2014-09. Autodyn The following information is relevant to ANSYS Release 15.7 and serves as an update to the entries published in the ANSYS. (69853) The solution process no longer terminates prematurely during the write out of result file data for very large models. where transient or harmonic solutions using the mode-superposition method (ANTYPE.3. is included in this Service Pack. Resolved Issues and Limitations The solution process no longer terminates prematurely when a model with merged joined unstructured nodes is run multiple times in the same Autodyn session. Inc. (78728) Models including contact that have contact damping stabilization automatically invoked will no longer exhibit slow convergence or non-convergence when there is only one substep in the first load step. (70666) The existing maximum mesh size of 78 million elements for Eulerian models has been increased to a maximum of 624 million elements.3. Inc. BISO. All rights reserved.0.Contains proprietary and confidential information of ANSYS. where if a temperature in the model exceeds the maximum temperature in the temperature-dependent material data tables ANEL. values of zero for the material constants are used is included in this Service Pack.HARM with HROPT. Inc. this leads to wrong overall results. (78416) The correction for the error described in Class3 Error Report 2014–10. 6.MSUP or ANTYPE. relative to prior releases.WEAR commands with contact elements CONTA174 over higher order tetrahedron elements (for example. (70016) SAVE files can no longer become unreadable for extreme large models.© SAS IP.0. this occurs when the number of temperature points is less than 6 and the maximum temperature in the table (TBTEMP) is negative. and CONCR (TB command). and is included in this Service Pack. (69570) The speed of post-processing models in Autodyn with large numbers of parts (in the thousands) has been considerably improved. (70004) The correction for the error described in Class3 Error Report AQWA2014-02. Known Issues and Limitations document for Release 15.0. (77024) The correction for the error described in Class3 Error Report AQWA2014–05.017 would be displayed for the current example. the mooring details and cable force results for the mooring lines defined in the second or subsequent mooring configuration were previously incorrectly presented in the AGS. All rights reserved.7 and serves as an update to the entries published in the ANSYS. although the equilibrium calculation module (Aqwa-Librium) allows multiple mooring configurations to be defined. so no conversion is done if the units are radians.© SAS IP. Inc. (72924) The correction for the error described in Class3 Error Report AQWA2014-01. It is assumed that rotation units are in degrees. Inc. -90° gives t/T = -0. Inc.4. Per the error.e. where the positions of fenders may be incorrectly passed to the core solver by Workbench when running a Hydrodynamic Time Response (HTR) Analysis.0. regarding pressures and Motions results items in a Hydrodynamic Diffraction Analysis in Aqwa Workbench. and its subsidiaries and affiliates.7 . In this case the t/T value will be correct. where If there are pulley lines defined in a hydrodynamic time response analysis (Workbench HTR). (71360) Models now can be saved in Version 15.Contains proprietary and confidential information of ANSYS.1. (68364) Workbench now writes a correct Aqwa DAT file when a pulley is used. the phase angle used in the graphical display will be 6°. if the Wave Position (Phase) is set to Specified and the user enters a negative Specified Phase value. . (72707) The parallel solution process no longer terminates prematurely when a shell part is deleted from the model and recreated with a finer mesh.25). t/T = 0. (76214) The correction for the error described in Class3 Error Report AQWA2014-04. The value of t/T reported in the legend will correspond to the Specified Phase (e. (73632) One cause of random failures when running Aqwa in Workbench has now been removed. the phase angle used to display the pressures/wave surface elevation will be different to that intended. Per the error. (74346) 6. is included in this Service Pack. For example if a phase angle of 6 radians is specified. i. is included in this Service Pack.4. There is also an error in the Specified Phase if the project rotation unit is set to radians. . (74163) The correction for the error described in Class3 Error Report AQWA2014-03.0. is included in this Service Pack. • The horizontal position of the CoG of a structure is determined automatically by the program (Point Mass set to "Program Controlled") 16 Release 15. is included in this Service Pack.0. is included in this Service Pack.g.ANSYS Structural Products A parallel analysis can now be performed with different shear correction factors for shell parts without a premature end of the analysis. 6. not the phase angle that is actually used for the graphical display. where the diffracted wave elevations at grid points around hydro-dynamically interacting structures are incorrectly estimated.0 format. Resolved Issues and Limitations Workbench no longer crashes when a Connection Point on a suppressed part is selected. Aqwa The following information is relevant to ANSYS Release 15. the cable force results of any cable after the first pulley line section are incorrectly presented in the Cable Force Results graph. or documentation inaccuracies.8. 6.7 . or documentation inaccuracies. ASAS No corrected issues. limitations.Contains proprietary and confidential information of ANSYS. Release 15. limitations. ANSYS Composite PrepPost No corrected issues. 17 . Inc. limitations. and its subsidiaries and affiliates. or documentation inaccuracies. limitations.5.0.© SAS IP.6. (80517) 6. . 6. or documentation inaccuracies. Inc.7. Fatjack No corrected issues. All rights reserved.y=0) • The user performs a full solve (ie: including the calculation of the position of the CoG (Hydrostatic) and the solving of HTR). Beamcheck No corrected issues.ANSYS Composite PrepPost • The calculated position is NOT (x=0. 6. © SAS IP. Inc. .Contains proprietary and confidential information of ANSYS. Inc.0. .18 Release 15.7 . All rights reserved. and its subsidiaries and affiliates. (71330) The reactor network model now works correctly in cases with solid zones.0. All rights reserved. (69403) The "Shrink Factor" option the "Mesh Display" dialog box now works correctly for polyhedral cells that have more than 8 nodes in any facet. sometimes changed field variables. (70378) Occasional crashes when slitting zones in certain parallel configurations have been corrected.1. Inc. Some of these were used as continuous phase properties in subsequent DPM iterations. (70136) Abnormalities in convergence behavior when Node Based Gradient is used with cell-to-cell limiting have been corrected.Contains proprietary and confidential information of ANSYS. (70418) The use of User Defined Sources for User Defined Scalars in the explicit density based solver now works correctly.0. (70149) A segmentation violation is no longer encountered when performing smoothing.7 . (64831) Usage of node-based gradients corrects computation of gradients when a partition boundary is tangential to non-conformal interfaces and is highly recommended. so that this even affected the subsequent course of the solution. (71702) Displaying particle tracks. Resolved Issues and Limitations A bug which could cause an error after mesh-swapping in simulations using reaction mechanisms has been fixed. This has been fixed.0.© SAS IP. 19 . and its subsidiaries and affiliates.1. (70405) Quality criteria for accepting a remeshed cavity have been relaxed when local face remeshing is enabled.Chapter 7: ANSYS Fluids Products 7. (71929) Release 15.7 and serves as an update to the entries published in the ANSYS. or just calculating them in post-processing mode. Fluent The following information is relevant to ANSYS Release 15. 7. (71639) Fluent starts as expected within Workbench when the debug environment variable FLUENT_SKIP_MONITOR_RING is defined. (70926) A problem that could cause divergence when restarting a turbulent DDPM case in a new Fluent session has been corrected. Inc. Known Issues and Limitations document for Release 15. as long as the proper SVAR is allocated on interior dynamic zones. (70805) A problem that caused a crash when copying cell zones in parallel has been corrected. Inc.1. (71711) Injected particles are now staggered correctly when the injection location is cut by a partition. . the coal Moisture latent heat is accounted for twice. Consequently the Wall Film location. and its subsidiaries and affiliates. . once in the volatile species standard state enthalpy and a second time in the Wet Combustion model droplet material. The error does not affect the Eulerian Wall Film.7 . plotting and displaying contours.© SAS IP.0. is included in this Service Pack. Now the current version allows to use it as a part of UDF file. (72513) Fluent's PDF tables now handle non-linear flamelets generated from third party software correctly. (73789) In previous versions. Inc. that design is ignored and the automated optimizer works as expected.Contains proprietary and confidential information of ANSYS. The final objective function was wrongly outputted as 0 that case. Inc. solidcone injection locations are always staggered in the Z-axis direction. if the emesh replacement autopartitioned the mesh. (73202) The post-processing turbulence quantity 'DES TKE Dissipation Multiplier' that was previously erroneously evaluated on solids is now only evaluated in fluid zones. The problem is now corrected. the Discrete Phase Model. on windows platform. (73574) Multi-phase cases that invoke re-meshing are no longer vulnerable to crashes during post-processing operations like monitoring. In R15. All rights reserved.0. (73488) Exported design points are now generated as expected when solution monitoring is on. (73866) The long zone/surface names leads to crash the application when user opens "Scene Description" panel. even when you specify a different injection axis. is included in this Service Pack. where for particle tracking. Per the error. When the Wet Combustion Model is enabled in a case set up with the Coal Calculator.7 this issue has been resolved and even if solver diverges.0 might stop the automatic optimization process if solver divergence occured for a particular design. height and velocity are incorrect. (73728) Mesh morpher optimizer in R15. (74460) The correction for the error described in Class3 Error Report FLUENT2014-07. is included in this Service Pack. As a result of the error. the HOOPS function HC_Insert_Polygon() can't be used as a part of UDF file. when the Coal Calculator dialog box or the coal-calculator text command is used to set up a coal combustion case with the Species Model. because of errors in the DPM Wall Film momentum equation terms. (73218) Node-based mesh smoothing no longer fails after a mesh replacement.0. Per the error. (74221) The correction for the error described in Class3 Error FLUENT2014-02. In majority of the cases where solver divergence does not occur do not have any issue even in R15. (72514) The correction for the error described in Class3 Error Report FLUENT2014-03. where the reported mean and rms values of the custom field functions for unsteady statistics may be incorrect if the list of custom field functions is changed during the simulation.ANSYS Fluids Products The correction for the error described in Class3 Error Report FLUENT2014-06. the Wall Film particles travel along the directions and with the velocities calculated at the impingement location using the Wall Jet model. is included in this Service Pack. the Wall Film particles are not affected by the wall and gas-phase shear stresses. As a consequence the heat generated by the coal combustion is lower by the amount corresponding to the moisture latent 20 Release 15. This resulted in reflection of particles instead of tracking them as Lagrangian wall film particles. (72959) For Lagrangian particle tracking the wall film boundary condition was not applied at walls which are part of a non-conformal grid interface. . ANSYS Fluent automatically calculates the standard state enthalpy of the volatile species from the coal Higher Calorific Value (HCV) and the Ultimate and Proximate Analysis. and ensures the socket is closed by Fluent. (74624) As egmentation fault for piecewise-linear thermodynamic properties no longer occurs when the default analytic Jacobian setting is enabled. while it should be 2441670 J/Kg (latent heat at 298. In addition the Latent Heat of water used in the Coal Calculator is 2263073 J/Kg (latent heat of H2O at the boiling point).© SAS IP. is included in this Service Pack. Inc.e. The problem is now corrected. (78146) Displaying particle tracks. (77789) Fluent no longer crashes when displaying and closing the surface monitor dialog box defined with "surface heat flux" from old case files. (74476) Fluent now successfully reads from a port (originally opened by Fluent). (74497) The computational time of Fluent has been improved when using AMD cores. (76841) The correction for the error described in Class3 Error Report FLUENT2014-05. (78225) Network congestion has been relieved while reading an IP file at very high core counts. surface and volume monitors continuously may lead the application in the freeze state. . when passing through a partition boundary. (75819) Adding and deleting of force.Contains proprietary and confidential information of ANSYS. (75414) Fluent now successfully runs in shared memory mode using OpenMPI. the case i. (76084) Fluent user-defined functions can now be compiled with Microsoft Visual Studio 2013. and its subsidiaries and affiliates.0. (76660) A large number of panels (~1000) can now be opened in Fluent without a deterioration of the GUI performance and/or system failure. sometimes changed the inner state of Fluent in a way that subsequent iterations immediately resulted in a fatal error (segmentation violation). is updated. (74768) Mesh files can now be used as a starting point to read a data file without resulting in wrong timestamp. where for unsteady particle tracking in the Discrete Phase Model. All rights reserved. which an outside program connected to and then closed. moment. now triggering the option to save the current project if the user attempts to exit without saving. if there is more than one injection.15 K). (78279) The correction for the error described in Class3 Error Report FLUENT2014–08.d. after devolatilization and surface combustion phases have ended). the order of injections is incorrect in CFD-Post. Fixed. Inc. no longer lose their ash "porosity" and return back to density and diameter of solid material. (78094) Fluent now handles 1D and skewed elements correctly when exporting data on surfaces in Tecplot format. (77257) Combusting particles in their "final inert heating" phase (i. (75650) When a dynamic zone is created or modified. 21 .1 libraries have been updated as the previous versions had expired. (75430) Including “surface tension” in momentum option in the Eulerian Wall Film dialog box no longer causes divergence. (74607) Using a startup scheme file with Fluent in Workbench now works correctly. where using anisotropic diffusion in combination with multicomponent diffusion gives incorrect results.Fluent heat.7 . (75196) The refprop9. is included in this Service Release 15. add the following command in $HOME/. Automatic processor affinity will not be set on machines that have an odd number of cores per socket resulting in some performance loss.fluent file (define (set-affinity argv) (display "set-affinity disabled")) 2. (79789) A bug that could cause a large memory chunk requirement when reading large cases into a large number of cores has been corrected.0.© SAS IP. Chapter 15.0.0. All rights reserved.0. 7.7.0.dll built in R15. it will be automatically re-compiled and loaded. use the command line flag -mpiopt="-aff=automatic" when starting Fluent.0.1. (80416) Conversion to polyhedra in cases with periodic face zones is slow in the Fluent 15.0. This has been resolved and the Fluent 14. (79104) Upon restart." • Replace the first sentence in the last paragraph: 22 Release 15. Known Issues and Limitations If the Service Pack 15.7 .7 is installed over top of Release 15. which will enable the DPM Wet Combustion option by default in all injections created after the OK button is clicked in the Coal Calculator dialog box. the appearance of double characters in the text entry of any "modal panel" for a single keyboard stroke/input is fixed now.1. and its subsidiaries and affiliates.7 in the Launcher. if you attempt to directly load a . (78560) On Linux/Unix platforms. Work-around: 1.0 release. Correct results can now be expected when multicomponent and anisotropic species diffusion are used together.0. Inc. (80383) The Dynamic Mesh feature now correctly analyzes the mesh topology resulting in smoothed threads.2.0.1. resulting in a segmentation fault. Wet Combustion. (80558) A segmentation violation when multicomponent particle was used together with non/partially-premixed model and single mixture fraction has been fixed.0. . (82277) UDF libraries compiled under Fluent R15. Inc. it will fail. . axisymmetric non-conformal interface cases no longer diverge.3.ANSYS Fluids Products Pack. Documentation Corrections In the Fluent User's Guide. (80996) 7.5 performance is regained.Contains proprietary and confidential information of ANSYS. However. (80682) A bug that could result in incorrect export of scalars in some file formats from parallel double-precision Fluent sessions has been corrected.4: Setting up Coal Simulations with the Coal Calculator Dialog Box: • Delete: "5.0 are not compatible with R15. Work-around: You must manually select 15. If a case is read in that has a UDF specified.0. Skewness-based mesh smoothing no longer smooths deforming dynamic interior face threads. the Fluent Launcher will default to choosing version 15. if the simulation is carried out in parallel.0. the hybrid value of the electric potential on either side of the interface can be in error.i omega t) whereas ANSYS Mechanical expects value with the convention exp (+ i omega t). The Density for the combusting-particle in the Create/Edit Materials dialog box will also be set to Coal Dry Density." (74476) 7. All rights reserved. The wet combustion settings are not modified for existing injections. In addition you will need to take care to enter the flowrate of each injection on a wet or dry basis.0. and also being set to zero throughout some partitions in releases prior to Release 15.CFX "4. then the Wet Combustion option is enabled in the Coal Calculator dialog box. and the volume fraction of water will be calculated from the Moisture mass fraction specified in the proximate analysis. If Wet Combustion is selected. Per the error. Per the error. regarding a CFX multi-field (MFX) simulation in which Heat Flow (in contrast to Heat Flux) is exchanged from the ANSYS Mechanical structural calculation to the CFX fluid calculation.7 and serves as an update to the entries published in the ANSYS. (71385) The correction for the error described in Class3 Error Report CFX2014-04. is included in this Service Pack. is included in this Service Pack. 23 . in the CFX Solver. Inc. for solid-solid interfaces. where when using the Harmonic Forced Response option for exporting data on a surface. (69852) The correction for the error described in Class3 Error Report CFX2013-22 R1. (75615) Release 15. 7.2. this can have an effect that is not noticeable. CFX The following information is relevant to ANSYS Release 15. and use of them in the post-processor. where a fluid-fluid or fluidsolid interface with a resistance set. Per the error. This is due to a low order discretization in the calculation of the hybrid values.Contains proprietary and confidential information of ANSYS.7 . or use of them in expressions. This problem can affect monitoring of variables. The Density for the combusting-particle in the Create/Edit Materials dialog box will also be set to Coal Dry Density. Resolved Issues and Limitations The correction for the error described in Class3 Error Report CFX2013-26. Note: Irrespectively of the Wet Combustion option shown in the Coal Calculator dialog box. and the Coal Dry Density. and the Coal Dry Density.0. then the heat flow at the interface will not generally be correct having wrong values adjacent to partition boundaries. the CFX Solver exports values using a Fourier convention of the form exp (. If the Moisture mass fraction in the coal proximate analysis is non-zero.1. you can modify the Wet Combustion Model setting for the injections in the Set Injection Properties dialog box. This can also affect the temperature and additional variables at interfaces with resistances. and its subsidiaries and affiliates. The liquid material will be set to water-liquid. Depending on the topological nature of the partitions. consistently with the Wet Combustion Model setting. .© SAS IP. his can lead to consequential errors in the electric field and electric current variables. all subsequent injections that are created will have wet combustion enabled. is included in this Service Pack. Inc. Known Issues and Limitations document for Release 15. the values of pressure that are exported are inconsistent with those expected by the ANSYS Mechanical software. and all subsequent injections that are created will have wet combustion enabled." • with the following: "4.2. Inc. and fluid-solid or fluid-fluid interfaces for laminar flows. and the volume fraction of water will be calculated from the Moisture mass fraction specified in the proximate analysis. The evaporation material will be set to water-liquid. This problem occurs because. the flux to the radiometer should be multiplied by the refractive index. turbulence quantities are initialized incorrectly unless the turbulence kinetic energy is explicitly specified.2. is included in this Service Pack. then the flux to the radiometer is calculated incorrectly. and the values of these fields are set back to zero. if the turbulence is given as intensity. where if a case using a large eddy simulation (LES) or a detached eddy simulation (DES) turbulence model is run in parallel. Per the error. is included in this Service Pack. where if a transient particle transport calculation is restarted. Work-around: Uninstall MSMPI. (70583) 24 Release 15. (77095) A problem that causes crashes or hangs or large I/O times when writing results files for very large simulations running in parallel has been fixed. (81478) 7.0. is included in this Service Pack. To maintain MPI application compatibility with previous versions of HPC Pack. either MFR or RFR. where if a radiometer is specified in a material with a refractive index not equal to one.0. Inc. is included in this Service Pack. this is due to incorrect calculation of the length scale for the turbulence model adjacent to the symmetry plane.ANSYS Fluids Products The correction for the error described in Class3 Error Report CFX2014-03.7 CFX MSMPI Solver fails to start on Windows Server 2012 R2. (79857) A bug has been fixed that can cause a deadlock during the linear solution of cases with large partition counts (problem seen with 512 and 1024 partitions).1.0. momentum and energy flow boundary fields. . where in a turbulent simulation with a rotating frame. and then reinstall MS-MPI by using a version of the MS-MPI Redistributable Package that is supported by HPC Pack 2012 R2 (at least version 4. .Contains proprietary and confidential information of ANSYS. although the error will reduce with time. and if the radiometer temperature is non-zero. 7. Resolved Issues and Limitations TurboGrid can now plot and export a user defined polyline using the Boundary Intersection method.© SAS IP. TurboGrid The following information is relevant to ANSYS Release 15. (81061) 7. install the MS-MPI executable files to the same folder used to install other HPC Pack program files (such as C:\Program Files\Microsoft HPC Pack 2012\). the values of kinetic energy are derived from the local frame velocity rather than the stationary frame velocity.3. (77885) The correction for the error described in Class3 Error Report CFX2014-08.7 .2. (75644) The correction for the error described in Class3 Error Report CFX2014-07. Per the error. this can lead to wrong solutions in transient simulations. Inc. and the topology includes a symmetry plane. (75871) A problem which caused cases with non-overlap regions at porous fluid interfaces to fail when run in parallel has been fixed. Known Issues and Limitations Release 15.2. then incorrect solutions may be obtained.0. Known Issues and Limitations document for Release 15. You can download the MS-MPI Redistributable Package from the Microsoft Download Center.4400). (77035) The correction for the error described in Class3 Error Report CFX2014-06.7 and serves as an update to the entries published in the ANSYS.3. All rights reserved. Inc. and its subsidiaries and affiliates. Per the error. then the interpolation functionality fails to cover the time-integrated mass. the results from the wrong file may be displayed. Change the inlet temperature and write this case as Case2. 2. Setup the first case and write the def file as. then when the results file is loaded into CFD-Post using the 'Load complete history as single case' option. 7. Per the error. 2. to create Case2_001. 7. For example. for example. 7.7 . 3. Setup the first case and write the def file as.res.res into Post. (59141) The correction for the error described in Class3 Error Report CFX2013-24. Run the second case using the Case1_001.res and its associated out file (perhaps because it is realised to be incorrect).Contains proprietary and confidential information of ANSYS. Resolved Issues and Limitations The correction for the error described in Class3 Error Report CFX2013-21R1. For example. Delete Case1_001. This is best illustrated by an example: Consider running two or more variations on the same steady-state case. Release 15. Run the first case to produce Case1_001. I want to run different inlet temperatures on a case. limitations.res instead of the data from Case1_001. with Continue History From turned on by default. to create Case2_001.def. with Continue History From turned on by default.7 and serves as an update to the entries published in the ANSYS.CFD-Post 7. then when the results file is loaded into CFD-Post using the default 'Load only the last results' option. Inc. 4.res. for example. All rights reserved. BladeModeler No corrected issues.5.def. Case1. This is best illustrated by an example: Consider running two or more variations on the same steady-state case. Load Case1_001. Here are steps which can lead to this problem: 1. Run the first case once more now restarting the run from Case2_001. if the files associated with a CFX Solver calculation are deleted. .res file as the initial values.res. Case1. I want to run different inlet temperatures on a case. Inc. Change the inlet temperature and write this case as Case2.5. is included in this Service Pack. 6. or documentation inaccuracies. and the case is subsequently restarted from another calculation with a different definition file name.res.res. is included in this Service Pack.1. Inc.© SAS IP. and its subsidiaries and affiliates. 4. CFD-Post actually loads the data from Case2_001. Known Issues and Limitations document for Release 15. Run the first case to produce Case1_001. 25 . 3. 5.0. Per the error.def. and the case is subsequently restarted from another calculation with a different definition file name. incorrect results may be displayed.0. This is due to the functionality for loading multiple results files. Run the second case using the Case1_001.res.res file as the initial values. again with Continue History. Here are steps which can lead to this problem: 1. if the files associated with a CFX Solver calculation are deleted. CFD-Post The following information is relevant to ANSYS Release 15.def.0. such as those from a multi-configuration calculation impinging on the loading of a single results file.4. 1. Delete Case1_001.res Case2_001. . Polyflow 7.res and its associated out file (perhaps because it is realised to be incorrect). (73044) 7. then the chart did not always update when the user-defined variable was subsequently modified.res Case1_001. Chapter 7.res Case2_001.e. and its subsidiaries and affiliates. 8.res (69527) The correction for the error described in Class3 Error Report CFX2014-01.0. the time-step selector expects the results in the final order that they were created.res. 7.8 Mesh Decomposition and Optimization the following statement is added to the discussion of mesh decomposition and optimization: “Note: Mesh decomposition and optimization is only useful when you are using the classic direct solver (the most robust solver). This produces a new Case1_001. and this reads: Case1_001. i. Load Case1_001. again with Continue History From turned on by default. and this was set to a user-defined variable. Documentation Corrections In the ANSYS Polyflow User's Guide.6.res Case1_001. Inc. It is useless for any of the other solvers.res.Contains proprietary and confidential information of ANSYS. is included in this Service Pack. where if a chart series used the default X-axis variable. This occurs because the final results file contains a list of the results files that comprise the entire calculation. 6. ." (76060) 26 Release 15.res However. All rights reserved. Use the timestep selector to look at the results of Case1 or Case2 as needed.© SAS IP.7 . Case2_001.msh). Run the first case once more now restarting the run from Case2_001.ANSYS Fluids Products 5.res into Post. Inc.6. set on the "X Axis" tab. Mesh decomposition and optimization is only supported for ANSYS Polyflow mesh files (. and CFD-Post displays results from the wrong file.res When CFD-Post reads this it edits out repeated names starting from the beginning leaving: Case1_001. (71384) An error in the batch script has been corrected and Icepak launches successfully in 15. (70649) A species error was produced while creating a zoom-in model and it has been resolved. . (70087) Multi-level meshing has been corrected and improved for polygon pcbs and sliding interfaces.1. Resolved Issues and Limitations The fixed color option in the Plane cut vectors panel has been corrected and is displaying correctly. (75611) Models consisting of post-processing objects with inactive objects no longer cause Icepak to crash. (73756) Error resulting from clearing ECAD data associated with an object has been fixed. Known Issues and Limitations document for Release 15.0.0. (75680) An error with particle tracks with the cone option has been corrected and is now usable. (75129) Error resulting from deletion of boundary conditions for varying joule heating on blocks has been fixed.© SAS IP. Icepak The following information is relevant to ANSYS Release 15. (70245) Slack values are now working properly and can be modified manually or with the use of snap buttons. (69156) An error which caused a package file to import incorrectly has been fixed. An error produced when meshing hollow blocks has been corrected.7 . 8.7.1. 27 . (75934) Release 15. (74978) Reporting of heat flow for internal openings and grilles is now correct.Contains proprietary and confidential information of ANSYS.0.0.Chapter 8: ANSYS Electronics Products 8. (75039) The All times option in the summary report is now working correctly and the display from Basic parameters > Transient setup> Transient > View is showing correctly. and its subsidiaries and affiliates. (74656) Individual side emissivity is now reflected in ray tracing and DO radiation models.7 and serves as an update to the entries published in the ANSYS. Inc. (70224) The object face no longer hangs and updates successfully while calculating heat flux or heat transfer coefficient. (75590) The heat flow values reported in the summary and solution overview reports are now displaying correctly. Inc.1. (73953) Incorrect meshing of intersecting assemblies has been resolved. All rights reserved. Inc. (73234) The power and temperature panel is working correctly for compound objects. .Contains proprietary and confidential information of ANSYS. The option has the effect of writing a separate zone for each of the selected object(s) in the solver to enable the specification of certain boundary conditions. (79075) 28 Release 15. All rights reserved. Inc.0.ANSYS Electronics Products The Show objects by property feature now reflect negative values in the color bar. (78470) An error with the journal file while running multiple instances of the solver is not reproducible. a new option to turn off solver zone merging for an object or group of objects has been implemented. and its subsidiaries and affiliates. (76316) Velocities can now be specified to inclined walls on hollow blocks. (78122) A fix for the Post > solution id option has been implemented and solution ids can be loaded successfully. (77663) An error using the show objects by property feature has been corrected.© SAS IP. . (76266) To run models with Thermo Electric Coolers (TECs) where selective zone merging is essential. Inc.7 . (78214) Resolved and corrected irregular looking contours created during post-processing. Release 15.0.0.1. . and when encountered configuration would fail. the following CAD packages have updated versions (noted below) supported for Release 15. In resolving this bug. 29 . CAD Connections & Integration Since Release 15. DesignModeler The following information is relevant to ANSYS Release 15.scdoc) file on Windows 7.7 and serves as an update to the entries published in the ANSYS.scdoc files on Windows 7.7 . In resolving this bug. CAD Configuration Manger is able to correctly determine the product version when commas are used as decimal separators.0 M020.2.Chapter 9: ANSYS Geometry & Mesh Prep Products 9.1. 32-bit systems. (74349) 9. Inc.0 (Windows only) • SolidWorks 2014 • SpaceClaim 2014 9. (76540) Closing a part or assembly in Autodesk Inventor. Known Issues and Limitations document for Release 15. (79610) 9. Inc. Work-around: Start a session of SpaceClaim manually when importing *. so when the Installer is unable to validate the designated Creo Parametric installation the user should check the box "Skip this step for Workbench and configure later". Known Issues and Limitations An error occurs while importing a SpaceClaim (*. such that there is no longer an active document open.0.1. (73627) With release of Creo Parametric 2. PTC added a silent installation option which allowed for alternate Common Files names. and its subsidiaries and affiliates. All rights reserved. Resolved Issues and Limitations It is important for CAD Configuration Manager to detect the correct version of Creo Parametric or Pro/ENGINEER Wildfire so that configuration files can be properly located for the plug-in to automatically load during CAD startup. This processing has not yet been added to the installer.7: • Inventor 2015 • NX 9.Contains proprietary and confidential information of ANSYS. CAD Configuration Manager has additional processing to handle the other variations of Common Files path and successfully configure the Creo Parametric Associative Geometry Interface.0. erroneously results in the Named Selection Manager button in the CAD not being grayed out. Inc.© SAS IP.1. The requirement is that the Windows Operation System's decimal separator must be the same when running CAD Configuration Manager as it was when Creo Parametric and/or Wildfire was installed. then upon exiting the installer one can run CAD Configuration Manager to complete the setup of the Associative Geometry Interface. 32-bit systems.0. CAD Configuration Manager was not expecting the new Common Files locations.2. .7 . (74736) Mid-surface pair search no longer causes model bodies to lose their color. (75068) Sketches now have parents while loading a file.0 where the face thickness value is entered when the unit on the Units menu is other than Meter or Micron. where in DesignModeler. (76777) By defining the Sketch tolerance and making it similar to the Model tolerance.ANSYS Geometry & Mesh Prep Products 9. (75638) The crash no longer occurs during automated searched for the midsurface feature. Resolved Issues and Limitations DesignModeler no longer crashes when attempting to resume an . (73399) Sketching tolerances are no longer incorrect for small unit types. the constraint is successfully applied and the line(s) are visually perpendicular to the spline at the point(s) of contact. the Sketch evaluations are appropriate for the session unit. is included this Service Pack.0 is opened and the face thickness value is entered or modified in a session with unit other than the unit in which the value was entered. if you deleted a Share Topology or made other changes that led to a redraw. (77784) When creating a plane by centroid. note that if the session unit is changed from the unit in which the value was entered. • In a model created in Release 15. all parts of the image now come back. • In Release 15. Per the error. Inc.1. (75072) Shell thickness is now correct when importing files. . All rights reserved. (76419) Converting cross section inertia values to the meter unit during input validation no longer results in very small numbers. (70420) The correction for the error described in Class3 Error Report DM2014-01. (74735) There is no longer a crash while undoing spline-specific sketching.2. Inc.0. (78645) When displaying in Thickness mode. (76098) When creating a series of lines which are perpendicular to a spline. if a DesignModeler database from a version prior to Release 15. correct unit scaling is now applied while migrating the body attribute data. (73944) When special units are involved. (79380) 30 Release 15. (77577) Suppressing a face split feature when thickness based face coloring enabled no longer results in DesignModeler terminating. (76573) Instances during virtual topology regeneration now break by design if virtual topologies are created on instanced bodies and the geometry updated. (79312) Spots that display even when the owner bodies were hidden are now also hidden. and its subsidiaries and affiliates.0. no crash occurs when planes are deleted. the plane is no longer produced far outside the selected vertices.© SAS IP. a manually defined Face Thickness on a face of a surface body is transferred to downstream applications incorrectly as noted for the following cases.agdb file. the Face Thickness value is displayed incorrectly (no unit conversion is performed).Contains proprietary and confidential information of ANSYS. 0. (79883) When bodies with the geometry type as DesignModeler and Workbench exist simultaneously in a model. (72332) Improved repeatability for advanced size functions. (72342) Sweep meshing now correctly allows larger to thinner model volumes to be swept after sweeping thinner to larger model volumes.Meshing With small sketches in a session with smaller units such as millimeters.2. Known Issues and Limitations document for Release 15. (57476) Improved robustness for selective meshing. and its subsidiaries and affiliates. Inc. (73087) The Topology flag for patch independent meshing will now be respected for parallel part meshing. Known Issues and Limitations After an . DesignModeler no longer terminates without error messages. Resolved Issues and Limitations Automatic mesh-based defeaturing now supports multibody parts where one part is large and the other is relatively small. (69898) Fixed a crash related to a user terminating the meshing process during “Packaging mesh data”.Contains proprietary and confidential information of ANSYS. the angle dimensions are now drawn appropriately when using the Context Menu item with “General Dimension” in Sketch Dimensions with the toolbar item selected. Work-around: Try refreshing a second time for the import to succeed.agdb file is reopened in DesignModeler and refreshed with option “Use DM Parameter Values. 9.0.3. (79521) Units menu selection properly blocks Large Model Selection for small unit systems. All rights reserved. (69030) A problem where the pinch control and defeaturing on the same body caused a conflict has been corrected. (81185) Correct unit scaling is now applied on input data while defining a Coincident Constraint.2. Earlier versions of NX do not show this issue. Meshing The following information is relevant to ANSYS Release 15. (74035) Release 15. (79613) Cross section data exported into XML files are now to correct unit scales and the corresponding attribute data is read to the appropriate scale. (69695) The defeaturing algorithm has been refined so that nodes on the inflation body are not moved. (81843) 9.© SAS IP. . This issue affects only NX 9 imports on Windows 7 (64–bit) and NX 8.7 . 31 . (80408) The sketching tolerances for models that utilize the foot and inch measurements has been modified to better match the tolerances used in older models.7 and serves as an update to the entries published in the ANSYS. (71223) Parallel part meshing now supports meshing rigid bodies with joints in the model. (81243) 9.0. Inc. Inc. providing a higher quality inflation.5 imports on Windows 7 (32–bit).” an NX part can fail to refresh.3.1. This was a platform dependent problem specific to Linux only. Resolved Issues and Limitations Previously for ICE case all interfaces were created with matching-option as false. (76801) 9. and has been corrected now. if 32 Release 15.6. Resolved Issues and Limitations Local remeshing has been improved.0. The changes have been made to the default values. if Face 2 was an instance of Face 1 and face sizing was applied only to Face 1.0. Inc. when interface zones cover each other completely. then with this fix those interfaces will be created as matching-option true. Fluent Meshing The following information is relevant to ANSYS Release 15. 9.1.7 and serves as an update to the entries published in the ANSYS.0. ICEM CFD No corrected issues. Inc. Now.1. (72224) An error was displayed if user tried to create a surface monitor in the Solver Setup.0. . and no wall zones are expected to be created on the mesh interface.Contains proprietary and confidential information of ANSYS. and has been corrected now. . where if you import CAD geometry during meshing in parallel mode by using Import Curvature Data from CAD. (71516) For better results some changes were required in the partially premixed setup of SI engine. resulting in speed up for large meshes. IC Engine The following information is relevant to ANSYS Release 15.7 and serves as an update to the entries published in the ANSYS. curvature values will be saved as zero.ANSYS Geometry & Mesh Prep Products In parallel part meshing. Inc. (69705) Hot-key Ctrl-T now shows the trace path correctly when the face entities selected are in different face zones. (70836) Port flow tutorial design point updation was sometimes failing on Linux. This was a platform dependent problem specific to Linux only. Per the error. Known Issues and Limitations document for Release 15.0.4.© SAS IP. This has been fixed. and its subsidiaries and affiliates. (70542) Reading and writing of size fields is now supported for parallel meshing. 9. (74756) Fixed a problem for sheet models (no solids) where local sizes are not respected properly or give strange errors because of global sizes that are not displayed to the user when there are no solids in the model. Known Issues and Limitations document for Release 15. and then write the mesh file. Inc. or documentation inaccuracies. (49652) DM would hang in LINUX for Combustion Simulation when Input option for IVC and EVO was selected as Enter Direct Values. is included in this Service Pack.4.7 . This has been corrected now. limitations.5. (72296) The correction for the error described in Class3 Error Report FLUENT2014-01.6. All rights reserved. (73036) 9. 9. Face 2 was refined as well. (72447) If a mesh file has multiple zones with the same name. Inc.Fluent Meshing you resume your work from this mesh file in either serial or parallel mode. . All rights reserved.Contains proprietary and confidential information of ANSYS. while subsequent zones will be renamed by appending ". Inc.7 . 33 .<zone-id>" at the end to generate a unique zone name. (80324) Release 15. the curvature mesh size field will be incorrectly computed.0. the specified name is retained for the first zone read in. and its subsidiaries and affiliates.© SAS IP. 0. . Inc.Contains proprietary and confidential information of ANSYS.34 Release 15.© SAS IP. All rights reserved.7 . Inc. . and its subsidiaries and affiliates. which previously caused the chart to "animate. Inc. (72189) Release 15.xlsm files. Inc. • Isotropic Elasticity has the option Derive from defined as any combination other than Young's Modulus and Poisson's Ratio • Isotropic Elasticity property is marked as a parameter • Isotropic Elasticity property parameter is varied across Design Points (49935) When multiple versions of Microsoft Excel are installed. now give the correct units in all cases. (70993) When you resume a Release 15. Workbench The following information is relevant to ANSYS Release 15.7 and serves as an update to the entries published in the ANSYS. and its subsidiaries and affiliates. where in the Mechanical application the results will be incorrect when the following conditions are met. (72187) The correction for the error described in Class3 Error Report WB2014-02. the original ACP model is erroneously transferred to subsequently linked Mechanical Systems. Known Issues and Limitations document for Release 15. thereby eliminating the stacking of mesh files for design point updates (Update from current and Update in order). (70012) Mesh transfer files are now excluded from design point duplication.1. and update the downstream path.7 . . the licenses are checked out from the reserved pool during pre-RSM local update. (71719) Specific to Fluent within Workbench.1." (71741) Calculations performed after duplicating a non-selected unit system.Chapter 10: ANSYS Simulation Products 10.0. 35 .© SAS IP. but not selecting the duplicated system. where modifications made to a duplicated ACP(Pre) system (for composite modeling) are ignored in subsequent Mechanical Analyses.Contains proprietary and confidential information of ANSYS. All rights reserved. is included in this Service Pack.1.0 project archive with Mesh system (with baffles) linked to a Fluid Flow Fluent/CFX/Polyflow solver system. is in this Service Pack. Resolved Issues and Limitations The correction for the error described in Class3 Error Report WB2013-23. re-mesh the system.0. Inc. Update now functions as expected when Remote Solve Manager is used with "Generate Setup output" or "Data Interpolation.0. you will need to clean the mesh. 10." (70876) If reserved licenses are used during a design point update via RSM.xlsx and . ANSYS Workbench will use the version that has been defined externally as the default for opening . (70685) The charts for a material model no longer continuously change the x-axis range. Instead. (72834) When you attempt to Update a DesignXplorer component with a state of Input Required.ansys.0. (75330) Turbo System The generation of a New Volute model from Vista CPD using a rectangular cross section fails in Release 15. Detailed instructions are available on the ANSYS Customer Portal at Knowledge Resources> Online Documentation> Simulation Process & Data Management> EKM Upgrade Guide. and its subsidiaries and affiliates. This issue is resolved in 15. Known Issues and Limitations document for Release 15.7 and such volute models may be successfully generated similar to those in Release 14.7 and serves as an update to the entries published in the ANSYS. however in most cases the incorrectly computed volume is positive and it may not be obvious that it is incorrect. Note that the EKM upgrade requires changes to the EKM server. (78152) 10. where the volume computation for wedge elements through the Application Customization Toolkit (ACT) API is incorrect. (70304) When part of a coupled analysis.Contains proprietary and confidential information of ANSYS.7 . in some cases the computed volume is negative and obviously incorrect. EKM The following information is relevant to ANSYS Release 15. The customer portal is accessible from the ANSYS Website (www.0 bugs corrected viaanatole configuration/customization of the EKM system. if the Mechanical APDL solver uses bisection to continue after an error in the structural solution process.0.5. . is corrected in this Service Pack.7. Inc.2. the units are updated successfully when the project is refreshed.© SAS IP.0. the Mechanical APDL solver will now produce correct results when receiving Heat Transfer Coefficient and Bulk Temperature values. . All rights reserved. then System Coupling will now continue with the solution process as well. Incorrect results had been produced in Transient Thermal systems when the default setting Program Controlled was used for Nonlinear Controls> Nonlinear Formulation in the Analysis Settings within the Mechanical application’s user interface. the Mechanical APDL solver will now produce correct results when Large Deflection is changed to Off (default is On) in the Analysis Settings within the Mechanical application’s user interface.ANSYS Simulation Products The correction for the error described in Class3 Error Report WB2014-01. (78144) System Coupling When part of a coupled analysis. (80042) A project containing an Excel system can be saved successfully on a machine that does not have Excel installed and reopened successfully on any machine. (72683) Fixed the crash encountered when closing the Project Schematic's Quick Help popup on machines running Internet Explorer 11.com). instead of an exception error you will receive an informational message indicating that user input is needed. (78997) When parameter units are changed in an Excel input file. Inc.0. Per the error. The guide also includes details about release 15.0. Inc. (54389) When part of a transient coupled analysis. 36 Release 15. the File Transfer Client and Studio applications are now signed with a digital certificate from a trusted certificate authority.security.simpleprincipal.jboss. Such stale data can cause unexpected behavior. Resolved Issues and Limitations The JBoss LdapExtLoginModule can be used with EKM Release 15.7.0. (75489) When transferring files via a cache server.3. the File Transfer Client respects it and chooses the appropriate proxy server when fetching a given URL.equals.0. If a PAC file is used in an IT setup. (76838) When a Mechanical APDL input file (. you must modify the ekm_start script (cmd or sh) to set a Java system property.security. Place it after the last line setting JAVA_OPTS: Windows: set JAVA_OPTS=%JAVA_OPTS% -Dorg. (73854) In EKM 15.ekmRepository. Inc. (70284) Scheduled tasks with a long periodicity no longer cause workspace initialization failure.1. resulting in the need to instruct the JRE to trust the applications each time they were launched.7. This prevents Workbench from obtaining stale data from the . there is no longer a permissions issue when uploading a file of the same name using the File Transfer Client.© SAS IP. such as EKM applications.simpleprincipal.dat) is uploaded to EKM. (79019) When you have a file checked out that is under version control.DesignXplorer 10. and will attempt to continue the transfer. Any . (78039) Support has been added for Proxy Auto-Configuration (PAC) files.ekmRepository. Properties defined in the original file are maintained. This prevents warning messages and potential errors when these applications are launched using newer versions of the Java Runtime Environment (JRE). Input files created in MAPDL have no persistent version information. . the applications were signed with an ANSYS self-signed certificate.0. All rights reserved.7 . attempts by the cache server to connect to an EKM server that is using the HTTPS protocol are now successful.override=true (70097) When WBPZ files are uploaded to EKM from Workbench.jboss.xml files inside the archive will be removed. Known Issues and Limitations document for Release 15. (81132) 10. In order to use this fix.override=true Linux: JAVA_OPTS="$JAVA_OPTS -Dorg. The client will no longer attempt to download such objects from the file transfer service.inp.equals. no longer cause the entire download to fail.0.Contains proprietary and confidential information of ANSYS. (73603) EKM object properties such as Description and Image are no longer cleared when a file in the EKM repository is overwritten. Inc.xml files in the future. DesignXplorer The following information is relevant to ANSYS Release 15.ekmRepository. . Release 15. 37 . Inc.2. Previously.xml files will also be removed from WBPZ files when they are downloaded from EKM. and its subsidiaries and affiliates. . (73676) Attempts to download objects with the File Transfer Client which cannot be downloaded.0. the version property is extracted and displayed provided that the input file was created by ANSYS Mechanical in the Workbench environment. (73690) The issue of usage reports causing an unhandled exception upon logout has been resolved.7 and serves as an update to the entries published in the ANSYS. enabling you to successfully overwrite the file. (71247) Application of the Non-Parametric Regression response surface algorithm to selected scenarios has been corrected. Inc. (74071) For Response Surface optimization systems in which the domain bounds are equal. you can select and edit the Optimization component of the new system without receiving an error. and potentially some external methods). (73568) The correction for the error described in Class3 Error Report DX2014-02. the updated Design of Experiments will have the correct number of design points.e. (72237) When you edit a continuous input parameter to have a Manufacturable Value that is greater than the current Upper Bound. (70377) If you are running a project containing discrete input parameters on a Linux Red Hat 5. History charts.1. the algorithm will generate the response surface correctly. (76911) MOGA optimizations that have only discrete input parameters and/or continuous input parameters with Manufacturable Values generate new population permutations with each iteration. AMO. (80207) When you use French language settings and use commas to separate decimals. the optimization process will always stop upon convergence. with an accurate range of output variation.9 machine. (71132) When a continuous input parameter with Manufacturable Values has only negative manufacturable values. the Preview operation is available.ANSYS Simulation Products 10. number of verification points. and its subsidiaries and affiliates. .7 .3. the evaluation of Parameter Relationships in an Optimization system will return correct values.For an Optimization in which all enabled input parameters are continuous with Manufacturable Values. (80909) 38 Release 15. the generation of verification points with a DesignXplorer response surface update will be completed within the expected time frame.© SAS IP. (77640) For optimization algorithms that generate successive populations of samples (i. Per the error.0. Inc. output parameter values will be attributed to the correct parameter (in the Table of Design Points. All rights reserved. . and a component update results in a DOE Table based on the new domain. and point distribution over the parameter space. is included in this Service Pack. the Design of Experiments component correctly takes the change into account: the Upper Bound value is updated accordingly.Contains proprietary and confidential information of ANSYS. and the Calculated Minimum and Calculated Maximum properties) when derived input or output parameters are defined prior to the definition of a direct output parameter. in a DesignXplorer Direct Optimization system. NLPQL and MISQP optimizations are performed without error. (77814) In DesignXplorer Optimizations. MOGA optimizations respect convergence or stopping criteria. (75901) When you have first edited and deleted an Optimization system and then created a new Optimization system. Resolved Issues and Limitations The “Values=Bounds” constraint is available for Screening optimizations. the Sensitivities chart is now updated along with an Optimization update. ASO. the number of ev ation failures is reported correctly by the Number of Failures Optimization Status property. Table of Candidates. (77270) . MOGA. (76583) Adaptive Single-Objective optimizations that have continuous input parameters with Manufacturable Values follow the correct convergence direction.