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Exercise 1

Repeat the optimization problem in the tutorial but with the following 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.

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 design of experiment setp
2. 3D response surface: (R,H) vs. Volume
3. 3D response surface: (R,H) vs. Max effective stress
4. Selected design point
5. Von Mises stress variation in the plate at the design point

Return to: Problem Specification

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