3. Modeling A#

3.1. Characteristics of modeling A#

_images/1000000000000466000002DA03A2C61069B09DF6.png

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

\(442.1\)

“SOURCE_EXTERNE”

\(3.0\)

3,4

\(1452.0\)

“SOURCE_EXTERNE”

\(3.0\)

5,6

\(3342.0\)

“SOURCE_EXTERNE”

\(3.0\)

7,8

\(4855.0\)

“SOURCE_EXTERNE”

\(3.0\)