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incompressible material in VUMAT

3 Posts
3 Users
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Posts: 1
Topic starter
(@Mlle UMAT)
New Member
Joined: 11 years ago

Hi every body,

I am writing a subroutine code in VUMAT for 3D elements. The material is incompressible, anisotopic hyperelastic. Is it possible to write VUMAT for it?

In addition, the material is reinforced. So I should introduce cylindrical local coordinate system in the model. Is it possible to use local coordinate for the model?

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2 Replies
Posts: 10
Active Member
Joined: 6 years ago

I dont think Abaqus/Explicit can accommodate fully incompressible elements. I dont understand your second question about the coordinate system.

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Posts: 21
Eminent Member
Joined: 6 years ago

Apparently Abaqus/Explicit allows a fully incompressibile option with 3D tetrahedrons.