Autodesk Simulation: Multiphysics

In this case, "the" is an article modifying the noun "software".

If you are writing a sentence:

"The software used for this project was Autodesk Simulation Multiphysics." autodesk simulation multiphysics

The proper article for "Autodesk Simulation Multiphysics" would be: In this case, "the" is an article modifying