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Partially Averaged Navier Stokes (PANS) Method for Turbulence Simulations: Theory and Practice

  • Conference paper
Progress in Hybrid RANS-LES Modelling

Part of the book series: Notes on Numerical Fluid Mechanics and Multidisciplinary Design ((NNFM,volume 117))

Abstract

Variable-resolution (VR) turbulence simulations possess ideal attributes for engineering applications as they purport to yield the best accuracy possible for any prescribed level of computational effort. However, at the current time, these accuracy-on-demand approaches are not considered theoretically rigorous. It is argued that pragmatic considerations that motivate the formulation of VR methods automatically preclude a theoretically rigorous approach. In this paper, we argue that VR approaches can be based on strong theoretical underpinnings without sacrificing numerical robustness and practical utility. We demonstrate that the partially-averaged Navier-Stokes (PANS) VR approach is based on strong physical and mathematical foundation and yet is robust enough for complex practical flows. We present important PANS theoretical attributes followed by results from complex flow computations.

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Author information

Authors and Affiliations

  1. Aerospace Engineering Department, Texas A&M University, College Station, Texas, TX, 77843, USA

    Sharath S. Girimaji & Sawan Suman

Authors
  1. Sharath S. Girimaji
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  2. Sawan Suman
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Corresponding author

Correspondence to Sharath S. Girimaji .

Editor information

Editors and Affiliations

  1. , School of Aerospace Engineering, Tsinghua University, Beijing, 100084, China, People's Republic

    Song Fu

  2. Höhenkirchener Str. 19 d, Hohenbrunn, 85662, Germany

    Werner Haase

  3. , Division of Information and, Swedish Defence Research Agency, FOI, Stockholm, SE-164 90, Sweden

    Shia-Hui Peng

  4. Strömungstechnik, Center of Computer Applications in, DLR, Institut für Aerodynamik und, Bunsenstraße 10, Göttingen, 37073, Germany

    Dieter Schwamborn

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© 2012 Springer-Verlag Berlin Heidelberg

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Girimaji, S.S., Suman, S. (2012). Partially Averaged Navier Stokes (PANS) Method for Turbulence Simulations: Theory and Practice. In: Fu, S., Haase, W., Peng, SH., Schwamborn, D. (eds) Progress in Hybrid RANS-LES Modelling. Notes on Numerical Fluid Mechanics and Multidisciplinary Design, vol 117. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-31818-4_3

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  • DOI: https://doi.org/10.1007/978-3-642-31818-4_3

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-31817-7

  • Online ISBN: 978-3-642-31818-4

  • eBook Packages: EngineeringEngineering (R0)

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