Description
| Material | Modulus of elasticity |  |
|
|---|---|---|---|
| Density |  |
||
| Geometry | Cross-section | For the circle |  and  |
| For the connecting plate | and  |
||
| Boundary conditions | In point A | Fixed support | |
| Along the entire edge |  and  fixed to impose 2D behaviour |
||
| Mesh | No. of divisions | 8 |
Results
| Eigen mode | Shape | Independent reference | Diamonds | Difference |
|---|---|---|---|---|
| 1 |  |
28.8Hz | 28.9Hz | -0.35% |
| 2 |  |
189.3Hz | 190.0Hz | -0.37% |
| 3 |  |
286.8Hz | 270.0Hz | 6.22% |
| 4 |  |
641.0Hz | 643.6Hz | -0.4% |
| 5 |  |
682.0Hz | 684.2Hz | -0.32% |
| 6 |  |
1063.0Hz | 1065.5Hz | -0.23% |
References
- Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLL 13: anneau circulaire mince suspendu par une patte élastique
- Tested in Diamonds 2025.
