5. C modeling#
5.1. Characteristics of modeling#
Figure 5.1-1
5.2. Characteristics of the mesh#
Number of knots: 85
Number of meshes and types: 28 SEG4
5.3. Tested sizes and results#
Uncertainties about the results using the analytical reference solution:
Identification |
Reference |
Tolerance |
Frequency (\(\mathit{Hz}\)) Transverse 1 |
17.9 |
|
Frequency (\(\mathit{Hz}\)) in plane 1 |
24.8 |
|
Frequency (\(\mathit{Hz}\)) Transverse 2 |
25.3 |
3, 0% |
Frequency (\(\mathit{Hz}\)) in plane 2 |
27.0 |
3, 0% |
Table 5.3-1
5.4. notes#
The mesh in SEG4 is obtained from a SEG3 mesh with the command CREA_MAILLAGE, MODI_MAILLE with the option “SEG3_4”. It is important that the middle node of SEG3 is in the middle, Code_Aster checks this condition with a tolerance.