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At this point, ANSYS must be told that the objective function(volume) is to be minimized while staying below the 32.5 KSI Von Mises stress threshold. First, select "Objectives and Constraints" in the outline window. Then, in the "Table of Schematic B4: Optimization" window, select the parameter to be P2-Surface Body Volume and change the objective type to Minimize. Next, add in a second parameter which will be P3-Equivalent (von Mises) Stress Maximum, change the constraint type to Values <= Upper Bound and enter 32500 for the Upper Bound. Your table should now look like the one below.

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Now, execute the optimization by clicking on Update and click on Optimization from the outline window to view the results. The optimization should yield similar results to the following table. 

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At this point the Candidate Point 3 results will be inputted back into the Design Modeler. That is, the radius from Candidate Point 3 will be set as the radius of the hole in Design Modeler. In order to do so, (Right Click) Candidate Point 3 > Insert as Design Point.
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Next, click Return to Project and double click on Parameter Set. Selecting insert as design point, for candidate point 3, created the design point DP3. In the "Table of Design Points" (Right Click) Current > Duplicate design point.

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