Stabilizing Lattice Boltzmann Simulation of Fluid Flow past a Circular Cylinder with Ehrenfests’ Limiter
作者： Tahir S. Khan , Jeremy Levesley
DOI: 10.1007/978-3-642-16876-5_10
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摘要: In this study, two-dimensional fluid flow around a circular cylinder for different laminar and turbulent regimes has been analyzed. We will show that introduction of Ehrenfests’ coarse-graining idea in lattice Boltzmann method can stabilize the simulation high Reynolds numbers without any grid refinement vicinity where sharp gradients occur. A Strouhal-Reynolds number relationship from low to captured found satisfactory agreement with other numerical experimental simulations.
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