VMP09-T33
VMP09-T33
Free Annular Membrane
Test Description
A hollow circular plate of inner radius R1 = 1.8 and outer radius R2 = 6 is situated in the x-y plane constrained in the z direction at all nodes. Frequency vibration analysis is performed on the model.
Geometic Properties | Material Properties | Boundary Conditions | |
---|---|---|---|
R1 = 1.8m R2 = 6m |
E = 200 x 109 N/m2 ρ = 8000.0 kg/m3 ν = 0.3 | Applied at all nodes:
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Results
Results are tabulated and displayed as in the NAFEMS manual.
| Mechanical APDL | RATIO | INPUT | PLANE182 MODE4,5 137.164 1.061 vmp09-t33-182 MODE6 228.563 1.011 vmp09-t33-182 MODE7,8 240.395 1.024 vmp09-t33-182 MODE9,10 292.317 1.105 vmp09-t33-182 MODE11,12 354.146 1.052 vmp09-t33-182 MODE13,14 433.481 1.150 vmp09-t33-182 PLANE183 MODE4,5 125.834 0.974 vmp09-t33-183 MODE6 224.207 0.991 vmp09-t33-183 MODE7,8 232.940 0.992 vmp09-t33-183 MODE9,10 263.489 0.996 vmp09-t33-183 MODE11,12 335.553 0.997 vmp09-t33-183 MODE13,14 376.986 1.001 vmp09-t33-183 ----------------------------------------------------------------------
Element Mechanical APDL Ratio Test Input