Particle-based hybrid and multiscale methods for nonequilibrium gas flows
Over the past half century, a variety of computational fluid dynamics (CFD) methods and the
direct simulation Monte Carlo (DSMC) method have been widely and successfully applied to …
direct simulation Monte Carlo (DSMC) method have been widely and successfully applied to …
Efficient parallel solver for rarefied gas flow using GSIS
Recently, the general synthetic iterative scheme (GSIS) has been proposed to find the
steady-state solution of the Boltzmann equation in the whole range of gas rarefaction, where …
steady-state solution of the Boltzmann equation in the whole range of gas rarefaction, where …
A three-dimensional modal discontinuous Galerkin method for the second-order Boltzmann-Curtiss-based constitutive model of rarefied and microscale gas flows
A three-dimensional mixed modal discontinuous Galerkin (DG) method based on tetrahedral
meshes was developed for simulating all flow regimes from subsonic to hypersonic rarefied …
meshes was developed for simulating all flow regimes from subsonic to hypersonic rarefied …
A novel transient-adaptive subcell algorithm with a hybrid application of different collision techniques in direct simulation Monte Carlo (DSMC)
S Stefanov, E Roohi, A Shoja-Sani - Physics of Fluids, 2022 - pubs.aip.org
A novel hybrid transient adaptive subcell (TAS) direct simulation Monte Carlo (DSMC)
algorithm is proposed to simulate rarefied gas flows in a wide range of Knudsen numbers. It …
algorithm is proposed to simulate rarefied gas flows in a wide range of Knudsen numbers. It …
[HTML][HTML] A second-order particle Fokker-Planck model for rarefied gas flows
Abstract The direct simulation Monte Carlo (DSMC) method has become a powerful tool for
studying rarefied gas flows. However, for the DSMC method to be effective, the cell size must …
studying rarefied gas flows. However, for the DSMC method to be effective, the cell size must …
An evaluation of the hybrid Fokker–Planck-DSMC approach for high-speed rarefied gas flows
Abstract The Direct Simulation Monte Carlo (DSMC) method has been widely used for
simulations of rarefied gas flows. It has been proven that the numerical solution of the DSMC …
simulations of rarefied gas flows. It has been proven that the numerical solution of the DSMC …
Fokker–Planck–DSMC algorithm for simulations of rarefied gas flows
A Fokker–Planck based particle Monte Carlo algorithm was devised recently for simulations
of rarefied gas flows by the authors [1],[2],[3]. The main motivation behind the Fokker–Planck …
of rarefied gas flows by the authors [1],[2],[3]. The main motivation behind the Fokker–Planck …
Exponential Bhatnagar-Gross-Krook integrator for multiscale particle-based kinetic simulations
M Pfeiffer, F Garmirian, MH Gorji - Physical Review E, 2022 - APS
Despite the development of an extensive toolbox of multiscale rarefied flow simulators, such
simulations remain challenging due to the significant disparity of collisional and …
simulations remain challenging due to the significant disparity of collisional and …
A benchmark study of kinetic models for shock waves
It is well-known that the Boltzmann collision term can be simplified by Bhatnagar–Gross–
Krook (BGK) and Fokker–Planck (FP) models. These two kinetic models satisfy the …
Krook (BGK) and Fokker–Planck (FP) models. These two kinetic models satisfy the …
Critical assessment of various particle Fokker–Planck models for monatomic rarefied gas flows
In the past decade, the particle-based Fokker–Planck (FP) method has been extensively
studied to reduce the computational costs of the direct simulation Monte Carlo method for …
studied to reduce the computational costs of the direct simulation Monte Carlo method for …