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Variational Multiscale LES and Hybrid RANS/LES Parallel Simulation of Complex Unsteady Flows

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High Performance Computing for Computational Science - VECPAR 2008 (VECPAR 2008)

Part of the book series: Lecture Notes in Computer Science ((LNTCS,volume 5336))

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.

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Author information

Authors and Affiliations

  1. Département de Mathématiques, Université Montpellier II, Place E. Bataillon, 34095, Montpellier, France

    Hilde Ouvrard & Bruno Koobus

  2. Dipartimento di Ingegneria Aerospaziale, Università di Pisa, Via G. Caruso, 56122, Pisa, Italy

    Maria-Vittoria Salvetti & Simone Camarri

  3. INRIA, 2004 Route des Lucioles, 06902, Sophia-Antipolis, France

    Alain Dervieux

Authors
  1. Hilde Ouvrard
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  2. Bruno Koobus
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  3. Maria-Vittoria Salvetti
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  4. Simone Camarri
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  5. Alain Dervieux
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Editor information

Editors and Affiliations

  1. Faculdade de Engenharia da Universidade do Porto, Rua Dr. Roberto Frias s/n, 4200-465, Porto, Portugal

    José M. Laginha M. Palma

  2. University of Toulouse, INP (ENSEEIHT), IRIT, 2 rue Charles-Camichel, 31071, Toulouse CEDEX 7, France

    Patrick R. Amestoy

  3. University of Toulouse, INP (ENSEEIHT); IRIT, rue Charles-Camichel, 31071, Toulouse CEDEX 7, France

    Michel Daydé

  4. Federal University of Rio de Janeiro, P.O. Box 68511, 21941-972, Rio de Janeiro, RJ, Brazil

    Marta Mattoso

  5. Faculty of Engineering, University of Porto, Rua Dr. Roberto Frias, s/n, 4200-465, Porto, Portugal

    João Correia Lopes

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© 2008 Springer-Verlag Berlin Heidelberg

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Ouvrard, H., Koobus, B., Salvetti, MV., Camarri, S., Dervieux, A. (2008). Variational Multiscale LES and Hybrid RANS/LES Parallel Simulation of Complex Unsteady Flows. In: Palma, J.M.L.M., Amestoy, P.R., Daydé, M., Mattoso, M., Lopes, J.C. (eds) High Performance Computing for Computational Science - VECPAR 2008. VECPAR 2008. Lecture Notes in Computer Science, vol 5336. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-92859-1_41

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  • DOI: https://doi.org/10.1007/978-3-540-92859-1_41

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-92858-4

  • Online ISBN: 978-3-540-92859-1

  • eBook Packages: Computer ScienceComputer Science (R0)

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