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  1. Itap

    Compile UMAT in double precision

    Hi guys, I have a problem with my UMAT. The problem is that the variables in it are not declared and there is not the include to 'ABA_PARAM.INC' so there is no specification on the type (single or double precision) of the variables. Then, from the UMAT, there are other calls to subroutines...
  2. Itap

    Problem with linking Abaqus and User Subroutines compiled in fortran

    Hello guys, I am new on Abaqus. I have to perform an analisys with DISP subroutine. The problem I tried and tried but I am not able to make it works. I found several guides and I followed them but it still doesn't work. The problem is about the link between Abaqus and Fortran I guess, because...
  3. Itap

    Shell elements (15) - Axisymmetric - Integration point problem with strain - LS-DYNA

    Hi! I have a problem with a simulation of the Hopkinson bar experiment. I am using Ls-Dyna with shel axisymmetric elements (tipe 15). In the simulation there is a waves that propagates into the incident bar. It's a pressure wave along y-axis. This wave keeps the bar into the linear-elastic...

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