Flow past a cylinder at Re=3900 with immersed boundary conditions
Автор: ONERA CFD
Загружено: 2018-10-04
Просмотров: 6974
Описание:
3D LES simulation of turbulent flow past a cylinder at Reynolds number Re=3900. The cylinder wall is modeled by immersed boundary conditions (IBC) with a resolution of 0.003*d (d is the cylinder diameter). Farfield conditions are set at 500*d and the wake is refined till 6*d. The spanwise length of the cylinder is equal to pi*d. The mesh contains 90M points.
Automatic octree mesh generation and IBC pre-processing are performed by Cassiopée ( https://cassiopee.onera.fr ). The Fast solver ( https://fast.onera.fr ) is used to run the simulation with AUSM scheme.
More information in AIAA paper 2019-2179 (AIAA Scitech, January 2019, San Diego): "Validation of an immersed boundary method for compressible flows"
Author: T. Renaud (ONERA)
00:00 Density gradient magnitude slice
00:54 3D Q Criterion
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