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Dynamic mesh negative volume error

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Old   August 11, 2019, 07:58
Post Dynamic mesh negative volume error
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amdfzn
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Hi All
I want to simulate a simple movement of a cube (which represents a human) in a room. I used tetrahedral elements for all of the domain and also smoothing and remeshing methods for updating the mesh and defined the surfaces of the cube as rigid body zone. After some time (about 0.1 to 0.2 s), negative volume error occurs. I tried to reduce the time step and also changed different parameters in dynamic mesh settings but none of them works and I still get the error. Would anyone help me with that?
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