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 |
23 |
22 |
Table 2.2-1
2.3. Tested sizes and results#
The aster calculation is performed using the DYNA_VIBRA operator on a modal basis containing the first mode of the structure without taking into account the static correction in order to be consistent with the assumptions of the reference calculations (ref. [1]).
Fashion |
Value AFNOR (Hz) |
Aster value (Hz) |
Tolerance (%) |
1 |
63.009 |
62.0555 |
1.5132759 |
Table 2.3-1: Comparison of frequencies
Size and unit |
Value AFNOR (mm) |
Aster value (mm) |
Tolerance (%) |
ABSCISSE2.4375 - Instant 0.0595s |
2.469 |
2.56328 |
4.0 |
Table 2.3-2: Comparison of trips
2.4. Modal deformed#

Figure 2.4-1:Deformed modal mode 1