Description
Calculate the natural frequencies of a right-angle isosceles triangle wing. The equal sides of the triangle are 6" in long and the thickness is 0.034". One of the equal sides of the triangle is fixed.

File Name
Browse to
drive letter:\Users\Public\Public
Documents\SOLIDWORKS\SOLIDWORKS
version\samples\Simulation
Examples\Verification\Frequency_1.SLDPRT and open the
file.
Shell Parameters
Shell thickness = 0.034 in - Thin formulation.
Material Properties
Modulus of elasticity = 6.5 x 106 psi, Poisson's ratio = 0.3541, Density = 0.06411 lb/in3.
Results
Frequency No. |
Theory (Hz) |
SOLIDWORKS
Simulation (Hz) |
Draft mesh |
High quality mesh |
1
|
55.9 |
55.917 |
55.925 |
2
|
210.9 |
211.130 |
211.363 |
3
|
293.5 |
292.701 |
293.198 |
Reference
“ASME Pressure Vessel and Piping 1972 Computer Programs Verification, by I. S. Tuba and W. B. Wright, ASME Publication I-24, Problem 2.