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