

Additionally, if you’re on Windows, you will need Microsoft Visual Studio to be linked with Intel Fortran compiler. Abaqus recommends Intel C++/ Fortran compiler for user subroutine feature. But it has always been a challenge to install the software packages properly with Abaqus to enable that capability.

To the best of my knowledge, it is the first commercial finite element program which allowed users to implement their own constitutive models and finite element models via Fortran based user subroutine. Abaqus is one of the most popular and common finite element packages used across academia and industry.
