link abaqus 6.10 and intel fortran 11 to use subroutines
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Hi experts,
I want to do simulation of granular media. I want to know wether ABAQUS has such models like Hertz contact model or others to do granular flow simulations.
Thanks in advance,
Best,
Ram
As it is known, when using UMAT abaqus, stiffness proportional damping can not be used. However, for the dynamic calculation it is neccessary to put some stiffness damping. So for approximate calculations, it is easy to use numerical damping instead.
*Dynamic, application=XXX,
and using the key words *Dynamic, XXX, users can adjust the value for numerical damping. Althogh, there is no physical meaning for numerical damping, it can be a temperory solution for UMAT dynamic calculation.
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