Learning Forum

[Ukhayaz3]

Hi,

I have Ansys LS-DYNA 2025 R2 installed on a Windows workstation. 

Currently, I am developing a custom phase-field fracture model in LS-DYNA, instead of using any inbuilt material models. Could anyone please help me with how to get (or whom to reach out at Ansys to get) the compatible/matching LS-DYNA 2025 R2 / v252 Windows x64 user-defined material and user-defined element object/static-linking package, including:

• dyn21.F / dyn21.f for user-defined materials
• dyn21b.F / dyn21b.f for user-defined elements
• include files
• object/static libraries
• Makefile or Windows build scripts
• example UMAT and user-element source files
• example keyword decks for user-defined elements
• recommended compiler and linker instructions

Also, my current installation is using the SMP single-precision executable, but the phase-field fracture problems may become computationally heavy. Please also advise whether I should request or use:

• SMP single precision, SMP double precision, or MPP double precision
• Windows MPP support, if available
• MS-MPI or another MPI package
• Intel oneAPI Fortran / Intel Fortran compiler version
• Microsoft Visual Studio / MSVC version
• Intel MKL / BLAS / LAPACK support, if needed for solving the equations

Please let me know which exact package is compatible with my LS-DYNA 2025 R2 / v252 installation and what additional software I need to install before compiling a custom executable.

Also, if Ansys has any tutorials, documentation, examples, training material, or technical notes on using the LS-DYNA user-defined material and user-defined element packages, especially for compiling custom executables on Windows, I would appreciate it if you could share them.

Thank you.

Sincerely,

Umar
PhD student @GeorgiaTech

[ErKo]

 

 

Hello Umar

 

Let us look into this and get back to you via e-mail so we can send you what you need (not possible to do it here in the AIS forum).

Thank you for your understanding and patience .

 

Erko