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Abaqus UMAT Problem (Fick's second law in Abaqus)

Submitted by eddie32 on
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Hello.

     Could anyone tell me how to  achieve the basic unsteady diffusion equation (Fick's second law) of some solute for a given Abaqus model by UMAT & User-defined field in Abaqus? or some other subroutines?

 

    Is there any reference good for this problem ?

 

  Thanks very much!

Arguments for Drucker Prager creep model with user defined law??

Submitted by sud1986 on

Hey all,

I am trying to use Drucker Prager plasticity with Tension hardening model for my material in Abaqus. In addition, I want to use the Drucker Prager creep with user defined (user) law that is via creep subroutine. But when I try to choose the Drucker Prager creep in the Abaqus CAE, it gives an error, "not all required arguments specified; expected 1, got 0." I am not able to follow what arguments it is asking for when I am using a user defined law. Any help regarding the same will be greatly appreciated. Thank you.

simulation of precision glass molding

Submitted by Vijaykumar Chauhan on
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Hi every one . I am working on Simulation of precision glass molding process with the help of  Abaqus . Do any one have idea to simulate the glass at temprature 1400oC ? Please send me any usefull material regarding it.

Kind Regards 

Vijay