Description: (English and Metric Units) STACKDES is a stand-alone executable program that performs the overall structuralanalysis of Self Supported or Guy Wire Supported Steel Stacks.. It uses a stiffness matrix to completely model the stack and it's loadings, and then applies the appropriate acceptance criteria based upon the user selected design code. The program also calculates the natural frequency of the structure so that the dynamic along wind and dynamic across wind (vortex) loads can be applied to the stack. Here is a brief outline of the 5 simple steps that are followed to analyze a stack: Step 1 - Design Codes The user would select the appropriate design code for the stack. Some of the comprehensive stack codes built into the software include: Comprehensive Design Codes ASME STS-1-2000 (US Code) BS 4076 (British Code) IS 6533 (Indian Code) CICIND (International Code) TIA/EIA-222F (Antenna's and Poles) In addition to these comprehensive codes STACKDES also allows the user to enter a customized set of codes and standards. The user may mix-and-match from the following available codes: Allowable Stress ASME STS-1 CICIND IS 6533 BS 4076 AISC ASD Along Wind NBC of Canada UBC ASCE 7-93 ASCE 7-95 ASCE 7-02 BS CP 3 Ch. V IS 875 CICIND TIA/EIA-222F Across Wind ASME STS-1-2000 ASME STS-1-1992 CICIND IS 6533 NBC of Canada BS 4076 Fatigue CICIND AISC ASD Upon selecting the code(s), the user then enters the appropriate parameters such as wind speed, exposure, terrain etc.... and boundary conditions. thickness. and guy wire hardware information. and there are several to choose from: Seismic Codes UBC 97 IBC 2000 IS 875 Manual (G-force) Step 2 . materials. This includes defining the diameters.Model Stack Next it is necessary to Model all of the physical details of the stack. deadman.Also the seismic code is selected. A graphical representation of the stack is shown on the screen to provide a quick check on the users input to ensure it is correct. . guy lug. then the user would also specify the guy wire. If it is a guy wire supported stack. Structural Flange. It also allows for the addition of stiffeners to reinforce the opening. Within the Details menu the designer can specify Baseplate.Define Details A breech opening can be modeled so that the software will automatically consider the reduced strength due to an opening. and an analysis is repeated. Lift Extraction. The output is reviewed. insulation. and Guy Wire Hardware properties. the designer makes the necessary modifications to the model. This process is repeated until the stack meets all of the necessary criteria. and more.Perform Analysis Now it is time to perform an analysis. . Guy Lug. piping. platforms.Define Attachments Now the user defines all of the non-structural attachments on the stack such as ladders.Step 3 . Step 4 . Step 5 .