14. L modeling#

14.1. Characteristics of modeling#

Elements MEAXQU8, MEAXFLQU8, MEAXFSSE3

_images/10000000000001FE000000B615113EAD33D8DAC8.png

Boundary conditions:

In all the knots on the face \(M\)

In all the nodes of the piston

14.2. Characteristics of the mesh#

Number of nodes:

53

Number of meshes and types:

12 QUAD8, 4 SEG3

14.3. Tested values#

Frequency

( \(\mathit{Hz}\) )

Reference

Aster

Error (%)

13.8285

13.8277

-0.006

14.4. notes#

Calculations made by:

CALC_MODES

OPTION =” AJUSTE “, CALC_FREQ =_F (FREQ =( 10.,20.))

The analytical solution of the first eigenvector is not known.

Contents of the results file:

Value of the first natural vibration frequency of the coupled system.