SS-V: 2080 Circular Ring - In-plane and Out-of-plane Vibration
Test No. VM09 Perform normal mode dynamic analysis of an unconstrained circular ring.
Definition
Figure 1.
The units are SI.
The material properties are:
- Properties
- Value
- Modulus of Elasticity
- 2e11 N/m2
- Poisson's Ratio
- 0.3
- Mass density
- 8000 kg/m3
Results
The following table summarizes the
modes.
| Reference | SimSolid | % Difference | NAFEMS | % Difference | |
|---|---|---|---|---|---|
| Mode 7, 8 out-of-plane | 51.850 | 51.483 | -0.71% | 52.290 | -1.54% |
| Mode 9, 10 in-plane | 53.380 | 53.150 | -0.43% | 53.970 | -1.51% |
| Mode 11, 12 out-of-plane | 148.800 | 146.740 | -1.38% | 149.700 | -1.98% |
| Mode 13, 14 in-plane | 151.000 | 149.490 | -1.00% | 152.400 | -1.91% |
| Mode 15 out-of-plane | 287.000 | 280.650 | -2.21% | 288.300 | -2.65% |
| Mode 16 in-plane | 289.500 | 280.650 | -3.06% | 288.300 | -2.65% |
1 NAFEMS Finite Element
Methods & Standards, Abbassian, F., Dawswell, D. J., and Knowles, N. C. Selected
Benchmarks for Natural Frequency Analysis, Test No. 6. Glasgow: NAFEMS, Nov,
1987.