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Almost any physical simulation involves coupled systems, like '''E''' and '''B''' (electric and magnetic) fields for electromagnetism or pressure and velocity for sound or the real and the imaginary part of the quantum mechanical wave function. Or consider the mean field approximation for the electronic structure of atoms, where the electric field and the electron wave functions are coupled.
[[ABAQUS|Abaqus]], [[ANSYS Multiphysics]], [[CFD-ACE+]], [[CFD-FASTRAN]], [[COMSOL Multiphysics]] are some examples of commercially available software packages for simulating multiphysics models. These software packages mainly rely on the [[Finite Element Method]] or similar commonplace numerical methods for simulating coupled physics: thermal stress, electromechanic interaction, fluid structure interaction (FSI), fluid flow with heat transport and chemical reactions, electromagnetic fluids (magnetohydrodynamics or plasma), electromagnetically induced heating. In many cases, to get accurate results, it is important to include mutual dependencies where the material properties significant for one field (such as the electric field) vary with the value of another field (such as temperature) and vice versa.
==References==
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