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Exercise 1

Repeat the optimization problem in the tutorial but with four design variables: H, W, R, T (thickness). Use the same Young's modulus and Poisson ratio: 30 x 10^3 ksi and 0.3, respectively.

Constraints

Maximum effective stress < yield value (32.5 ksi)

Bounds:

Parameter	Minimum Value	Maximum Value
Height (H)	10 in	15 in
Width (W)	10 in	15 in
Thickness (T)	0.1 in	0.25 in
Radius (R)	1.0 in	2.5 in

Submit:

1. Results from the Design of Experiments step
2. 3D response surface: (R,H) vs. Volume. In other words, plot R on the x-axis, H on the y-axis and Volume on the z-axis. See tip below for how to create such a plot in ANSYS.
3. 3D response surface: (R,H) vs. max. effective stress
4. Selected design point and the corresponding volume and max. effective stress
5. Effective (or Von Mises) stress variation in the plate at the design point

Tip

To plot the response surfaces, you need to set the x, y and z axes highlighted in the snapshot below. Double-click on Response Surface in the Project Schematic to get to this menu.