These software packages mainly rely on the Finite Element Method or similar commonplace numerical methods for simulating coupled physics : thermal stress, electromechanical interaction, fluid structure interaction ( FSI ), fluid flow with heat transport and chemical reactions, electromagnetic fluids ( magnetohydrodynamics or plasma ), electromagnetically induced heating.
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"Desktop Engineering Magazine, " in a review of FLOW-3D Version 10.0, said : Key enhancements include fluid structure interaction ( FSI ) and thermal stress evolution ( TSE ) models that use a combination of conforming finite-element and structured finite-difference meshes.