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LS Dyna

LS Dyna

Topics related to LS-DYNA, Autodyn, Explicit STR and more.
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  3. LS-DYNA 2025 R1 (v251) Windows — User-Defined Material Package

LS-DYNA 2025 R1 (v251) Windows — User-Defined Material Package

    • June 8, 2026 at 1:52 pm
      emsantos
      Subscriber

      Hi,

      I have Ansys LS-DYNA 2025 R1 (v251) installed on Windows, with solver version SMP R14.1.1 double precision.

      I am implementing a custom nonlinear constitutive model (resilient modulus k-theta) using a UMAT subroutine and need the Windows usermat package containing:

      • dyn21.F / dyn21b.F
      • include files (.inc)
      • static libraries (.lib)
      • Windows build script (nmake makefile)

      Could you please advise on the correct procedure to obtain this package for my installation?

      Compiler environment: Intel oneAPI (ifort), Microsoft Visual C++ 2019.

      Thank you very much.

      Eloísa Castilho 

    • June 8, 2026 at 2:22 pm
      ekostson
      Subscriber

       

      Hello

       

      You would need to contact your Ansys responsible in your department, and they will then need to contact the Ansys account manager.

      Thank you and best wishes

      Erko

       

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