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Simulations of Aerodynamic Separated Flows Using the Lattice Boltzmann Solver XFlow

Author

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  • M. Chávez-Modena

    (Applied Mathematics Dept., Universidad Politécnica, de Madrid-ETSIAE Pz. Cardenal Cisneros 3, E28040 Madrid, Spain
    Center for Computational Simulation, Universidad Politécnica de Madrid, Campus de Montegancedo, Boadilla del Monte, E28660 Madrid, Spain)

  • J. L. Martínez

    (Future Projects, Airbus Spain, Paseo John Lennon, E28906 Madrid, Spain)

  • J. A. Cabello

    (Future Projects, Airbus Spain, Paseo John Lennon, E28906 Madrid, Spain)

  • E. Ferrer

    (Applied Mathematics Dept., Universidad Politécnica, de Madrid-ETSIAE Pz. Cardenal Cisneros 3, E28040 Madrid, Spain
    Center for Computational Simulation, Universidad Politécnica de Madrid, Campus de Montegancedo, Boadilla del Monte, E28660 Madrid, Spain)

Abstract

We present simulations of turbulent detached flows using the commercial lattice Boltzmann solver XFlow (by Dassault Systemes). XFlow’s lattice Boltzmann formulation together with an efficient octree mesh generator reduce substantially the cost of generating complex meshes for industrial flows. In this work, we challenge these meshes and quantify the accuracy of the solver for detached turbulent flows. The good performance of XFlow when combined with a Large-Eddy Simulation turbulence model is demonstrated for different industrial benchmarks and validated using experimental data or fine numerical simulations. We select five test cases: the Backward-facing step the Goldschmied Body the HLPW-2 (2nd High-Lift Prediction Workshop) full aircraft geometry, a NACA0012 under dynamic stall conditions and a parametric study of leading edge tubercles to improve stall behavior on a 3D wing.

Suggested Citation

  • M. Chávez-Modena & J. L. Martínez & J. A. Cabello & E. Ferrer, 2020. "Simulations of Aerodynamic Separated Flows Using the Lattice Boltzmann Solver XFlow," Energies, MDPI, vol. 13(19), pages 1-22, October.
    • Handle: RePEc:gam:jeners:v:13:y:2020:i:19:p:5146-:d:423119
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    References listed on IDEAS

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    1. Mikaël Grondeau & Sylvain Guillou & Philippe Mercier & Emmanuel Poizot, 2019. "Wake of a Ducted Vertical Axis Tidal Turbine in Turbulent Flows, LBM Actuator-Line Approach," Energies, MDPI, vol. 12(22), pages 1-23, November.
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    Cited by:

    1. Mohsen Gorakifard & Clara Salueña & Ildefonso Cuesta & Ehsan Kian Far, 2021. "Analysis of Aeroacoustic Properties of the Local Radial Point Interpolation Cumulant Lattice Boltzmann Method," Energies, MDPI, vol. 14(5), pages 1-18, March.

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