3.BLOCK FORGING SIMULATION & POST-PROCESSING 3.1. Introduction 3.2. Opening a Previously Saved Problem 3.3. Starting the Simulation 3.4. Post-Processing the Results 3.4.1. 3.4.2. 3.4.3. 3.4.4. Step Selection State Variables Point Tracking Slicing Objects 3.5. Exiting DEFORM-3D Starting the Simulation You are now ready to start the simulation by clicking list.2. Introduction This lab focuses on running a simulation and viewing the results in the DEFORM™-3D Post. click on the BLOCK folder in the Directory list and then highlight the BLOCK.3. 3.DB file in the file list. When the MAIN window opens. As long as the option is checked. Opening a Previously Saved Problem If DEFORM is not already open. Click the Message tab to view the Message file. the Message file will refresh every couple of seconds.processor. 3. The progress of the simulation can be monitored as it is running by looking at the Message file. in the . open it as you did in the previous lab. The Message file provides information about which simulation step the simulation is currently on and also gives information dealing with how well the simulation is running.1. which is the default setting. Block Forging Simulation & Post-Processing 3.3. . 3-2 .4.1.DEFORM™-3D Labs When the simulation has finished. Post-Processing the Results After the simulation has completed. Step Selection To select the step to be viewed. click on under . the following message will be added to the end of the Message file: 3. 3.4. The DEFORM-3D Post-processor will appear. there is a step list pull-down menu at the top of the window. Use the pull-down list to select a step. The icon can be used to bring up the STEP LIST window. The following buttons are also available for selecting a simulation step: First Step One Step Back Play Backward Stop Playing Play Forward One Step Forward Last Step Play through the steps to look at the deformation of the workpiece. State Variables Some of the most commonly used state variables can be viewed using the State Variable pulldown menu at the top of the window. which allows the user to define more detailed step settings.2. 3. .4. Point Tracking In DEFORM it is possible to track points in an object through the simulation.4. 3. and select as the Scaling option. To open the POINT TRACKING window. The icon can be used to access all of the state variable options. Not only can the position of the points be tracked but also the state variables at those locations. We want to define several points on the undeformed geometry and see where they go as the part deforms. Now click three locations on the workpiece (close to those shown below) and click the button. The State Variable pull-down list only shows a couple of the variables that can be plotted.Select Strain--Effective from the list to look at the amount of deformation the workpiece has undergone. To view the undeformed geometry. Click the icon to bring up the STATE VARIABLE window. . click the icon. This option will use the global Min and Max effective strain as the extremes on the color bar. Play through the steps of the simulation to observe the accumulation of strain. click the button to view the first step of the simulation.3. If Effective Strain was still being plotted in the DISPLAY window. You will notice that the corresponding step on the Point Tracking plot also gets highlighted as the steps change. and the following will get added to the Object Tree: If no state variable was being plotted when the points were tracked. Now click anywhere on the Point Tracking graph .Accept the default Tracking Option and click .the selected step shown in the DISPLAY window should change to match the location selected in the graph. Time for the three points that were selected. Click the icon to stop the step playback. Click the icon to play the through the steps. . then a Point Tracking plot will appear showing Effective Strain vs. then the following will be shown in the Object Tree: When a state variable is selected from the State Variable pull-down menu. the point tracking graph for the three points will appear in the DISPLAY window. 4. . Click the icon to open the SLICING window.3. Slicing Objects In DEFORM-3D it is possible to slice an object and then view different state variables within the object. The objects can be sliced in several different ways. a vertical slicing plane will be created.4. a horizontal slicing plane will be created. The objects in the DISPLAY window have a yellow rectangular box surrounding them. Let's first hide the Point Tracking graph by right-clicking the Point Tracking in the Object Tree and selecting the Hide PointTracking option. Click the yellow box in several locations to experiment with this slicing option. By clicking on a vertical edge of the box. By clicking on a horizontal edge of the box. These are designated in the SLICING window by P (Point) and N (Normal). and then drag the slider back and forth to slice the objects. As the slider moves. . Y. the objects will be dynamically sliced. or Z coordinate of the Point and then using the slider bar to drag that coordinate up or down. Click the X coordinate of the Point.The slicing planes are defined by a point on a plane and a normal direction to that plane. The objects can also be sliced by selecting the X. as circled below. Several options are available for determining how the sliced surfaces are displayed. When you are back . exit the Post-processor by clicking the Exit in the MAIN window.5. 3. Exiting DEFORM-3D When you are finished. icon. exit DEFORM-3D by clicking .
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