Homework Set #9
AerE 421 ANSYS Lab
Due 5/2/2014 @ 4pm
Note: Problem 1 has to be done individually and the remaining three can be group solutions.
1. Consider the axial vibration of the aluminum bar shown below.
E = 200
a.) Sections>Shell>lay-up>Add orientation and thickness, after adding half of them
The plys are 0/0/45/45/90/90/45/45/0/0
b.)Preprocessor>Material Props>Failure Criteria>add>ok
c.) Utility Menu>plot>Layered Elements
d.) In the comm
Buckling of plates
The Governing equation of the deflection of plate under a compression load is as follows.
4 w 4 w
+2 2 2 + 4 =D N x 2 + N y 2 + 2 N xy
x y y
Here w is the out-of-plane deflection is z direction, and