Thermal-mechanical coupling - Sections of bridges and highways expand on hot days, and many plastics become extremely brittle at low temperatures.Multiple physics representation has to be taken into account for the analysis of Aneurysms and heart valves.Fluid-Structure interaction - Important to include fluidstructure interaction (FSI) in the design of aircraft wings and turbine blades.Crucial to include multiphysics in the design of many engineering systems.Co-simulation (FSI, logical-physical, multiscale, embedded, …) 4 Why Multiphysics?.Sequential simulation chains (EM→thermal→structural, submodeling, multiscale …).Interaction between various physical phenomena.Efficient abstractions of physical phenomena (1-D/logical models, substructures).Full 3-D physical “field” models (structural, thermal, EMag, chemistry, …).Collection of individual physical phenomena.Comparison of CFD, CEL and SPH 2 3DS.COM/SIMULIA© Dassault Systèmes | ref.: 3DS_Document_2012 Introduction What is Multiphysics? Definition: Multiphysics is the inclusion of multiple physical representations to capture real-world phenomena.Smoothed Particle Hydrodynamics (SPH) approach. Coupled Eulerian-Lagrangian (CEL) approach.3DS.COM/SIMULIA© Dassault Systèmes | ref.: 3DS_Document_2012 Multiphysics in Abaqus with Emphasis on Fluid Modeling Ramji Kamakoti Technical Specialist Overview
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