CAE: Mesh setup considering large deformations.

In CAE, hexa-mesh is considered to have high analysis accuracy and tetra-mesh is considered to have high shape reproducibility, but

Under conditions where the model is subject to relatively large deformation (large deformation), tetra mesh may have better shape reproducibility and analysis accuracy than hexa mesh.

[Deformation of gasket (rubber)]

he Poisson's ratio of rubber is generally considered to be 0.5, making it an incompressible material.

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