LS Dyna

LS Dyna

Topics relate to LS-DYNA, Autodyn, Explicit STR and more

Material type MAT 79

    • king79


      I am performing a soil-structure-interaction analysis with MAT 79. I got the following errro message:

      ***Error 20166 (STR+166)

            Increasing slope (5.3376E+02) in material type 79. Investigate slope between points 2 and 3 PID 3

    • Jim Day
      Ansys Employee
      The error message is referring to curve LCID in MAT 79. Remark 4 in the User's Manual's description of MAT 79 states, "The slope of the curve must decrease with increasing gamma."
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