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Pre-Analysis & Start-Up

Pre-Analysis

The While the case of the finite an infinite plate with a hole and an a radially outward pressure within the hole has no analytical solution. The infinite plate version has an analytical solution, but the finite version does not, leaving case of a finite plate with a hole does not. The lack of an analytical solution favors finite element analysis as one of the favorable solution methodsa solution method. This tutorial, will start out by using ANSYS to find the deformation and equivalent Von Mises stress for a specific plate with a hole geometry. After the initial solution is obtained, ANSYS will be told which variables are the design variables and what results are the output parameters. These variables can be viewed as follow.

Design Variables: Radius
Objective function: Minimize volume
Constraints: Equivalent Von-Mises stress < 32.5 ksi 

From there, the optimization procedures will be run.

Start-Up: Download Files

In this tutorial the initial ANSYS Geometry and Mechanical Files are provided. Download If you will use SpaceClaim, download the Workbench files by clicking here. Unzip the files and load them into ANSYS Workbench.  The default units in Workbench are Metric, so go to the top menu bar, select "Units" and change from Metric to U.S.Customary.   here, then double-click on the .wbpz to open the file. 

If you want to use DesignModeler, download the files here. You will find a .wbpj file and its corresponding folder. Open this project in Workbench by double-clicking on "plate_opt.wbpj".

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