Description
Material | Modulus of elasticity | ![]() |
|
---|---|---|---|
Density | ![]() |
||
Poisson’s ratio | ![]() |
||
Geometry | Cross-section | Thickness | ![]() |
Boundary conditions | Along line AB | Fixed support | |
Consider a case for each angel | α = 15°, 30°, 45° | ||
Mesh | Maximum element size | ![]() |
|
Minimum element size | ![]() |
Results
For α = 15°
Eigen mode | Shape | Independent reference | Diamonds | Difference |
---|---|---|---|---|
1 | ![]() |
8.999Hz | 8.950Hz | -0.54% |
2 | ![]() |
22.171Hz | 21.751Hz | -1.9% |
For α = 30°
Eigen mode | Shape | Independent reference | Diamonds | Difference |
---|---|---|---|---|
1 | ![]() |
9.899Hz | 9.823Hz | -0.76% |
2 | ![]() |
25.465Hz | 23.534Hz | -7.58% |
For α = 45°
Eigen mode | Shape | Independent reference | Diamonds | Difference |
---|---|---|---|---|
1 | ![]() |
11.121Hz | 11.292Hz | 1.54% |
2 | ![]() |
23.390Hz | 28.134Hz | 6.61% |
References
- Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLS 02: plaque Losange mince encastrée sur un bord
- Tested in Diamonds 2024r01.