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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.

How to write the energy deposition subroutine EXSIE in autodyn

    • wei zhang
      Subscriber

      Hello, I'd like to ask some questions related to the AUTODYN energy deposition subroutine EXSIE. I have a two-dimensional copper target with grids of 500 and 100 in the I and J directions, respectively. The energy deposition of each grid is different and is entered by reading a text file.

      As shown in the picture of my subroutine code, my idea is to call this subroutine once in each loop, and then enter the energy deposition corresponding to I and J, but in fact, this is not the case. Can you help me to see what's wrong?

      What I want to calculate is to import it into each grid of the copper target through external energy deposition, and then calculate the changes in density, pressure, temperature and so on over a certain period of time.

       And then I have another question that I want to know is that when I look at the cloud map of the calculation, the temperature is always zero and there is no change.

      The picture shows the external energy deposition that I want to import. The first and second columns are XBI y coordinates, and the third is energy deposition.

    • Aniket
      Forum Moderator

      Unfortunately, this goes beyond what Ansys employees can comment on a public forum, hopefully others can chime in.

      -Aniket

      Forum Rules & Guidelines

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