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Defining electrical variables in Abaqus Umat subroutines

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Old   May 4, 2021, 13:04
Default Defining electrical variables in Abaqus Umat subroutines
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Hi everyone,

I am working on the FEM simulation of the electro-plasticity effect, with the coupled thermal-electrical-structural module of Abaqus.
And I need to write a constitutive model, with respect to electrical variables(eg. the current density), into a UMAT subroutine. but I don't know how to introduce the electrical variables into umat. -- As the temperature field can be passed into umat directly but electrical field cannot.

Any suggestions will be highly welcomed and appreciated!
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