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Are the Structural Models in Structural Mechanics module really incompressible?

Posted 2012年8月9日 GMT-4 11:16 Structural Mechanics Version 4.2a 0 Replies

Paolo Tricerri
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Good afternoon,

Using the Structural Mechanics module and modelling the NeoHookean material, I have seen that the constitutive law is in the compressible form.

Does it mean that when the simulation is performed, the material is compressible or the pressure (lagrange multiplier for the incompressibility) is added implicitly at some point?

Many thanks,

Paolo
0 Replies Last Post 2012年8月9日 GMT-4 11:16
COMSOL Moderator

Hello Paolo Tricerri

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