Complex geometries and open boundaries have been intensively studied in the nearly incompressible lattice Boltzmann method (LBM) framework. Therefore, only few boundary conditions for the high speed fully compressible LBM have been proposed. This paper deals with the definition of efficient boundary conditions for the compressible LBM methods, with the emphasis put on the newly proposed hybrid recursive regularized D3Q19 LBM (HRR-LBM) with applications to compressible aerodynamics. The straightforward simple extrapolation-based far-field boundary conditions, the characteristic boundary conditions, and the absorbing sponge layer approach are extended and estimated in the HRR-LBM for the choice of open boundaries. Moreover, a cut-cell type approach to handle the immersed solid is proposed to model both slip and no-slip wall boundary conditions with either isothermal or adiabatic behavior. The proposed implementations are assessed considering the simulation of (i) isentropic vortex convection with subsonic to supersonic inflow and outflow conditions, (ii) two-dimensional (2D) compressible mixing layer, (iii) steady inviscid transonic flow over a National Advisory Committee for Aeronautics (NACA) 0012 airfoil, (iv) unsteady viscous transonic flow over a NACA 0012 airfoil, and (v) three-dimensional (3D) transonic flows over a German Aerospace Center (DLR) F6 full aircraft configuration.
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December 2019
Research Article|
December 12 2019
Solid wall and open boundary conditions in hybrid recursive regularized lattice Boltzmann method for compressible flows
Y. Feng (封永亮)
;
Y. Feng (封永亮)
Aix Marseille University, CNRS, Centrale Marseille
, M2P2 Marseille, France
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S. Guo (郭少龙)
;
S. Guo (郭少龙)
a)
Aix Marseille University, CNRS, Centrale Marseille
, M2P2 Marseille, France
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J. Jacob
;
J. Jacob
Aix Marseille University, CNRS, Centrale Marseille
, M2P2 Marseille, France
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P. Sagaut
P. Sagaut
Aix Marseille University, CNRS, Centrale Marseille
, M2P2 Marseille, France
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a)
Electronic mail: [email protected]
Physics of Fluids 31, 126103 (2019)
Article history
Received:
September 25 2019
Accepted:
November 20 2019
Citation
Y. Feng, S. Guo, J. Jacob, P. Sagaut; Solid wall and open boundary conditions in hybrid recursive regularized lattice Boltzmann method for compressible flows. Physics of Fluids 1 December 2019; 31 (12): 126103. https://doi.org/10.1063/1.5129138
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