Autodesk Simulation Multiphysics Access
The proper article for "Autodesk Simulation Multiphysics" would be:
In this case, "the" is an article modifying the noun "software". autodesk simulation multiphysics
No additional articles are needed.
"The software used for this project was Autodesk Simulation Multiphysics." autodesk simulation multiphysics
If you are writing a sentence: