a finite element analyzer, solver, and simulation software package for various physics and engineering applications, especially coupled phenomena and multiphysics.

In computational modelling, multiphysics simulation (often shortened to simply "multiphysics") is defined as the simultaneous simulation of different aspects of a physical system or systems and the interactions among them.

("Finite Element Analysis Toolbox for Multiphysics") a physics, finite element analysis, and partial differential equation simulation toolbox.