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Assessment of Turbulence Models for Flow Around Three-Dimensional Geometries

  • E. GuilmineauEmail author
  • G. B. Deng
  • P. Queutey
  • M. Visonneau
  • J. Wackers
Conference paper
Part of the Notes on Numerical Fluid Mechanics and Multidisciplinary Design book series (NNFM, volume 137)

Abstract

This paper presents a computational study of flow around three-dimensional geometries as the Ahmed body, which is a classical test case for automotive flow, but also as the JBC (Japan Bulk Carrier)which was first investigated in the framework of the Tokyo 2015 Workshop on Numerical Ship Hydrodynamics. For both test cases, an investigation of RANS (\(k-\omega \) SST and EARSM) and hybrid RANS-LES models (DES and IDDES) is conducted. All simulations have been performed with the ISIS-CFD flow solver, which is developed by Ecole Centrale de Nantes and CNRS. For both geometries, the hybrid RANS-LES models predict a high level of turbulent kinetic energy which is in better agreement with the experiments than the quantity predicted with a RANS turbulence model.

Notes

Acknowledgements

This work was granted access to the HPC resources of CINES/IDRIS under the allocations 2015-2a0129 and 2016-2a0129 made by GENCI.

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Copyright information

© Springer International Publishing AG 2018

Authors and Affiliations

  • E. Guilmineau
    • 1
    Email author
  • G. B. Deng
    • 1
  • P. Queutey
    • 1
  • M. Visonneau
    • 1
  • J. Wackers
    • 1
  1. 1.LHEEA, CNRS UMR 6598Ecole Centrale de NantesNantesFrance

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