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Evaluation of LES models for flow over bluff body from engineering application perspective

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Abstract

Three SGS stress closure LES models are evaluated for turbulent flow over a square cylinder. Emphasis is placed on solving engineering-application-type problems on affordable computer resources and within reasonable turnaround times. Results are compared with available experimental data and previously published workshop results. Numerical strategies are kept the same for all the cases. Results are also discussed keeping in view limitations of LES methodology of modelling for practical problems and current developments. It is concluded that a one-equation model for subgrid kinetic energy is the best choice.

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Authors and Affiliations

  1. Department of Applied Mechanics, Indian Institute of Technology-Madras, 600 036, Chennai, India

    S Vengadesan

  2. Department of Science of Regional and Built Environments, Graduate School of Science & Technology, Kobe University, 657-8501, Kobe, Japan

    A. Nakayama

Authors
  1. S Vengadesan
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  2. A. Nakayama
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Vengadesan, S., Nakayama, A. Evaluation of LES models for flow over bluff body from engineering application perspective. Sadhana 30, 11–20 (2005). https://doi.org/10.1007/BF02710076

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  • DOI: https://doi.org/10.1007/BF02710076

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