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Introduction to Computational Fluid Dynamics (CFD) - page 12 / 47

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Modeling (flow conditions)

Based on the physics of the fluids phenomena, CFD can be distinguished into different categories using  different criteria

Viscous vs. inviscid  (Re)

 External flow or internal flow (wall bounded or not)

Turbulent vs. laminar (Re)

 Incompressible vs. compressible (Ma)

 Single- vs. multi-phase (Ca)

 Thermal/density effects (Pr, , Gr, Ec)

 Free-surface flow (Fr) and surface tension (We)

 Chemical reactions and combustion (Pe, Da)

 etc…

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