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UMAT subroutine FUNG Model for heart tissue simulation

UMAT subroutine FUNG Model for heart tissue simulation

UMAT subroutine FUNG Model for heart tissue simulation



I have written a UMAT subroutine but when i run the code it completes successfully. I am using C3D10H elements and FUNG model. The subroutine is working fine, as the job completes successfully. However, when I try to see the results from the ODB file I get the following message error:

“The selected Primary Variable is not available in the current frame for any elements in the current display group.”

Is this error due to freequcy? If so, how do I resolved this. As a rule of thumb, the odb file should be atleast 5 times that of inp (this is the case in my analysis). Could this be because there is something wrong in my subroutine? I will appritiate your input.

Pleae let me know if you need mor einformation.

Could you please try to assist.
Thank you.

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