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Physics Setup
The following video shows how to specify the physics of the problem: plane stress approximation, material properties (Young's modulus and Poisson ratio) and boundary conditions. These settings get fed into the element formulation when obtaining the numerical solution later.
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Summary of steps in the above video:
- In ANSYS Mechanical, double-check units, behavior, thickness value, and material assignment:
- Select Units > U.S. Customary (in, lbm, lbf, F, s, V, A).
- In Project Tree, highlight Geometry. Under Details of ‘Geometry’, verify 2D Behavior is set to Plane Stress.
- In Project Tree, expand Geometry. Highlight Surface Body. Under Details of ‘Surface Body’, verify Thickness is set to 3in in accordance with problem statement.
- Verify Material > Assignment > Structural Steel in accordance with problem statement.
- To apply displacement constraints:
- In Project Tree, highlight Static Structural.
- In toolbar, select Supports > Fixed Support.
- Using Vertex Selection Tool, hold down CTRL button and select bottom two vertices on rectangle. Click Geometry > Apply.
- To apply loads:
- In Project Tree, highlight Static Structural.
- In toolbar, select Loads > Force.
- Using Vertex Selection Tool, select point of load application on rectangle. Click Geometry > Apply.
- Click Define By > Components. Change Y Component value to -10000
- Save Project.
Go to Step 5: Numerical Solution
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