31st International Symposium on Rarefied Gas Dynamics: Rgd31 2019
DOI: 10.1063/1.5119556
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Non-equilibrium parameter for a hybrid Fokker-Planck/DSMC scheme

Abstract: In this work we investigate the kinetic Fokker-Planck (FP) model [1, 2] concerning its applicability to simulate hypersonic, rarefied gas flow. As in the direct simulation Monte Carlo (DSMC) algorithm, the FP model simulates the stochastic motion of a set of particles through the computational domain which results in a simple coupling of both methods. No collisions must be calculated in the FP approach and so larger cell and time step sizes than by DSMC calculations can be used. Because of this, the FP model h… Show more

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Cited by 6 publications
(1 citation statement)
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“…Due to the particle nature of the FP method, it can be conveniently combined with other particle methods. For example, Fei and Fan 59 and Fei et al 60 proposed the diffusive information preservation (D-IP) method, and the hybrid FP-DSMC scheme [61][62][63][64][65] has been studied. The FP method has been applied to numerical investigations of high-speed aerodynamics including the supersonic flow over the leading edge of a flat plate, 66 the supersonic flow past a cylinder, 64,67 the nozzle expansion flow, 68 the re-entry aerodynamics of a slender configuration, 69 and the interior structure of normal shock waves.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the particle nature of the FP method, it can be conveniently combined with other particle methods. For example, Fei and Fan 59 and Fei et al 60 proposed the diffusive information preservation (D-IP) method, and the hybrid FP-DSMC scheme [61][62][63][64][65] has been studied. The FP method has been applied to numerical investigations of high-speed aerodynamics including the supersonic flow over the leading edge of a flat plate, 66 the supersonic flow past a cylinder, 64,67 the nozzle expansion flow, 68 the re-entry aerodynamics of a slender configuration, 69 and the interior structure of normal shock waves.…”
Section: Introductionmentioning
confidence: 99%