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Analysis of wall-modelled particle/mesh PDF methods for turbulent parietal flows

Author

Listed:
  • Balvet Guilhem

    (EDF R&D, 6 Quai Watier, 78400, Chatou, ; CEREA, École des Ponts, EDF R&D, Île-de-France, France)

  • Minier Jean-Pierre
  • Ferrand Martin

    (EDF R&D, 6 Quai Watier, 78400, Chatou, ; CEREA, École des Ponts, EDF R&D, Île-de-France, France)

  • Roustan Yelva

    (CEREA, École des Ponts, EDF R&D, Île-de-France, France)

Abstract

Lagrangian stochastic methods are widely used to model turbulent flows. Scarce consideration has, however, been devoted to the treatment of the near-wall region and to the formulation of a proper wall-boundary condition. With respect to this issue, the main purpose of this paper is to present an in-depth analysis of such flows when relying on particle/mesh formulations of the probability density function (PDF) model. This is translated into three objectives. The first objective is to assess the existing an-elastic wall-boundary condition and present new validation results. The second objective is to analyse the impact of the interpolation of the mean fields at particle positions on their dynamics. The third objective is to investigate the spatial error affecting covariance estimators when they are extracted on coarse volumes. All these developments allow to ascertain that the key dynamical statistics of wall-bounded flows are properly captured even for coarse spatial resolutions.

Suggested Citation

  • Balvet Guilhem & Minier Jean-Pierre & Ferrand Martin & Roustan Yelva, 2023. "Analysis of wall-modelled particle/mesh PDF methods for turbulent parietal flows," Monte Carlo Methods and Applications, De Gruyter, vol. 29(4), pages 275-305, December.
    • Handle: RePEc:bpj:mcmeap:v:29:y:2023:i:4:p:275-305:n:4
    DOI: 10.1515/mcma-2023-2017
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