2. Modeling A#
2.1. Characteristics of modeling#
Elements POU_D_T and DIS_TR.
2.2. Characteristics of the mesh#
Number of nodes |
Number of elements |
51 |
51 |
Table 2.2-1
2.3. Tested sizes and results#
Fashion |
Value AFNOR (Hz) |
Pipestress value (Hz) |
Aster value (Hz) |
Aster gap — AFNOR (%) |
|
1 |
28.8 |
29.403 |
29.403 |
28.482 |
2.3674631 |
2 |
189.3 |
191.064 |
190.768 |
0.7754886 |
|
3 |
268.8 |
271.824 |
271.824 |
271.594 |
1.0394345 |
4 |
641 |
645.816 |
646.664 |
0.8836193 |
|
5 |
682 |
689.452 |
686.689 |
0.6875367 |
|
6 |
1063 |
1070.625 |
1070.625 |
1067.327 |
0.4070555 |
Table 2.3-1: Comparison of frequencies
2.4. Modal deformed#
Figure 2.4-1:Deformed modal mode 1