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  1. tsiloufas

    Problems using subroutine UHARD

    Hello everyone. I'm facing a problem with the subroutine UHARD. I want to create a simple power law equation for testing a bigger UMAT subroutine. The equation I would like to implement is the Ludiwg equation: SIGMA_YIELD = SIGMA_0 + K*EQPLAS^N Here is a copy of the full subroutine. It is...
  2. tsiloufas

    VUMAT subroutine - how do I write something to Abaqus .msg file?

    Thank you. I wasn't checking the .log file at all. That was my mistake.
  3. tsiloufas

    VUMAT subroutine - how do I write something to Abaqus .msg file?

    Hello everyone. I'm using Abaqus/Explicit with a VUMAT subroutine. In order to check some problems with my solutions, I want to write some warnings/errors to the message file (or status file, or data file, whatever). I'm trying to use the "write" command of Fortran, but with no result...
  4. tsiloufas

    Using UMAT - Ductile damage evolution in tensile test

    Hello everyone. I recently started to use Abaqus 6.10 and I want to simulate the evolution of continuum ductile damage variable in a tensile test. I've already obtained the materials properties with experimental tests and I know what model to use (see this paper...

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