3. Modeling A#

3.1. Characteristics of modeling#

The model consists of 2 eccentric plates with the distances \(–0.2m\) and \(0.2m\).

The elements used are plate DSQ elements.

PLAQ1

_images/Forme23.gif _images/Forme24.gif

PLAQ2

  • 0.2

  • 0.2

3.2. Characteristics of the mesh#

Z Y

5

10 x

The mesh is regular. We have 10 subdivisions according to \(x\) and 5 subdivisions according to \(y\); for a total of 50 DSQ (QUAD4) meshes and 66 knots.

3.3. Tested sizes and results#

Identification

Reference type

Reference values

Tolerance

DZ (\(A3\))

“ANALYTIQUE”

—3.9062510—5

0.005

MXX (\(A1\))

“ANALYTIQUE”

0.001

QX (\(A1\))

“ANALYTIQUE”

-500.

0.001

SIXX (\(M\mathrm{1,}\mathit{PT}\mathrm{1,}\mathit{SSPT}1\))

“ANALYTIQUE”

1.0E-8

SIXX (\(M\mathrm{1,}\mathit{PT}\mathrm{1,}\mathit{SSPT}2\))

“ANALYTIQUE”

990.585

0.0001

Frequency 1st mode

“NON_REGRESSION”

18.2

0.0001

Frequency 2nd mode

“NON_REGRESSION”

84.6

0.0001

Frequency 3rd mode

“NON_REGRESSION”

101.21

0.0001

Frequency 4th mode

“NON_REGRESSION”

111.28

0.0001