Abstract
We study a new hybrid RANS/Variational Multiscale LES (VMS-LES) model for bluff body flows. The simulations have been carried out using a parallelized solver, based on a mixed element/volume formulation on unstructured grids. First, the behavior of a VMS-LES model with different subgrid scale models is investigated for the flow past a circular cylinder at Reynolds number Re =3900. Second, a new strategy for blending RANS and LES methods in a hybrid model is described and applied to the simulation of the flow around a circular cylinder at Re = 140000. © 2008 Springer Berlin Heidelberg.
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Ouvrard, H., Koobus, B., Salvetti, M. V., Camarri, S., & Dervieux, A. (2008). Variational multiscale les and hybrid RANS/LES parallel simulation of complex unsteady flows. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 5336 LNCS, pp. 465–478). https://doi.org/10.1007/978-3-540-92859-1_41
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