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  1. elle53

    UMAT subroutine help

    Dear all, I am trying to get familiar with UMAT subroutines so I started experimenting with a simple UMAT for thermo-elastic behaviour. I've written the following code and run a coupled temperature displacement analysis using the UMAT code. I then compared the results with the same model that...
  2. elle53

    SIGINI subroutine

    Dear all, I am trying to incorporate a parabolic residual stress field through the thickness of a simple plate model (C3D20R) but uniform in the other two directions. To do that I am using a Fortran script and SIGINI subroutine. My model consists of the following steps: Step 0: the initial...
  3. elle53

    modelling prestress

    @mustaine If you read my question again you will see clearly that I'm asking about incorporating prestress in my model. Fyi fully toughened glass is safety heat treated glass that has a favourable stress profile through its thickness (that's the parabolic stress profile I mentioned in my...
  4. elle53

    modelling prestress

    Hello all, I am a new forum member and a relatively new user of Abaqus and I am trying to incorporate residual stresses in my numerical model. I am modelling a fully toughened glass plate with solid elements subjected to out of plane loads. The residual stresses are only changing through the...

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