SS-V: 2090 Triangular Wing - Fixed Vibration

Test No. VM10 Perform a normal mode dynamic analysis of a fixed right triangular plate.

Definition



Figure 1.

The plate is 6 in long and 0.034 in thick.

The units are IPS.

The material properties are:
Properties
Value
Modulus of Elasticity
6.5e6 lb/in2
Poisson's Ratio
0.3541
Weight density
0.06414 lb/in3
Mass density
1.66128e-4 lb-s2/in4

Results

The following table summarizes the modes.
  Reference SimSolid % Difference
Mode 1 [Hz] 55.900 55.710 -0.34%
Mode 2 [Hz] 210.900 209.940 -0.46%
Mode 3 [Hz] 293.500 290.660 -0.97%
1 I.S. Tuba and W.B. Wright, ASME Pressure Vessel and Piping 1972 Computer Programs Verification, ASME publication, I-24, Problem 2