Description
Material | Modulus of elasticity | ![]() |
|
---|---|---|---|
Density | ![]() |
||
Poisson’s ratio | ![]() |
||
Geometry | Cross-sections | ![]() ![]() |
|
Boundary conditions | Points A | Fixed supports | |
For all bars | ![]() ![]() to impose 2D behaviour |
||
Mesh | No. of divisions | 12 |
Results
Eigen mode | Shape | Independent reference | Diamonds | Difference |
---|---|---|---|---|
1 | ![]() |
8,8Hz | 8,8Hz | 0,00% |
2 | ![]() |
29,5Hz | 29,4Hz | -0,34% |
3 | ![]() |
43,8Hz | 43,8Hz | 0,00% |
4 | ![]() |
56,3Hz | 56,3Hz | 0,00% |
5 | ![]() |
96,2Hz | 96,2Hz | 0,00% |
6 | ![]() |
102,6Hz | 102,7Hz | 0,10% |
7 | ![]() |
147,1Hz | 147,1Hz | 0,00% |
8 | ![]() |
174,8Hz | 174,9Hz | 0,06% |
9 | ![]() |
178,8Hz | 178,9Hz | 0,06% |
10 | ![]() |
206,0Hz | 206,2Hz | 0,10% |
11 | ![]() |
266,4Hz | 266,7Hz | 0,11% |
12 | ![]() |
320,0Hz | 320,5Hz | 0,16% |
13 | ![]() |
335,0Hz | 335,5Hz | 0,15% |
References
- Mécaniciens, S. F. D. (1990). Guide de validation des progiciels de calcul des structures: SDLSX 01: flexion d’une portique symétrique
- Tested in Diamonds 2024r01.