Unified gas kinetic scheme combined with Cartesian grid method for intermediate Mach numbers

Summary We develop a method to seamlessly simulate flows over a wide range of Knudsen numbers past arbitrarily shaped immersed boundaries. To achieve seamless computation, ie, not use any zone division to distinguish between continuum and non‐continuum regions, we use the unified gas kinetic scheme...

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Veröffentlicht in:	International journal for numerical methods in fluids 2017-11, Vol.85 (9), p.507-524
Hauptverfasser:	Ragta, Lokesh Kumar, Srinivasan, Balaji, Sinha, Sawan S.
Format:	Artikel
Sprache:	eng
Schlagworte:	Approximation BGK model Boltzmann transport equation Boundaries Boundary conditions Cartesian grid method Computation Computer simulation Distribution functions Grid method Interpolation least square interpolation Mathematical models Test procedures unified gas kinetic method Velocity distribution
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