3. Modeling A#
3.1. Characteristics of modeling A#

Figure 3.1-1: Meshing a sector of the problem geometry
A single sector is meshed, its angular opening is \(1/{21}^{\mathit{ème}}\) by \(360°\) (3D modeling).
The calculation does not take into account the rotation of the structure.
3.2. Characteristics of the mesh#
Number of knots: 1077
Number of meshes and types: 160 HEXA20
3.3. Tested sizes and results#
Modes |
Reference Value |
Reference Type |
Tolerance (%) |
1,2 |
|
“SOURCE_EXTERNE” |
\(3.0\) |
3,4 |
|
“SOURCE_EXTERNE” |
\(3.0\) |
5,6 |
|
“SOURCE_EXTERNE” |
\(3.0\) |
7,8 |
|
“SOURCE_EXTERNE” |
\(3.0\) |