[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 …
Evaluation of stochastic particle Bhatnagar–Gross–Krook methods with a focus on velocity distribution function
For precise application of Bhatnagar–Gross–Krook (BGK) methods, assessing its accuracy
in non-equilibrium flows is necessary. Generally, this assessment relies on macroscopic …
in non-equilibrium flows is necessary. Generally, this assessment relies on macroscopic …
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 …
A multiscale stochastic particle method based on the Fokker-Planck model for nonequilibrium gas flows
Abstract The Fokker-Planck (FP) model characterizes the intermolecular collisions as
continuous stochastic processes in velocity space. Compared to the Direct Simulation Monte …
continuous stochastic processes in velocity space. Compared to the Direct Simulation Monte …
A stochastic Fokker–Planck–Master model for diatomic rarefied gas flows
Abstract The direct simulation Monte Carlo (DSMC) method is widely used for numerical
solutions of the Boltzmann equation. However, the associated computational cost becomes …
solutions of the Boltzmann equation. However, the associated computational cost becomes …
[HTML][HTML] Multi-species modeling in the particle-based ellipsoidal statistical Bhatnagar-Gross-Krook method including internal degrees of freedom
F Hild, M Pfeiffer - Journal of Computational Physics, 2024 - Elsevier
The implementation of the ellipsoidal statistical Bhatnagar-Gross-Krook (ESBGK) method in
the open-source particle code PICLas is extended for multi-species modeling of polyatomic …
the open-source particle code PICLas is extended for multi-species modeling of polyatomic …
Numerical modeling of the heat and mass transfer of rarefied gas flows in a double-sided oscillatory lid-driven cavity
Q He, S Tao, L Wang, J Chen, X Yang - … Journal of Heat and Mass Transfer, 2024 - Elsevier
In micro/nano research and engineering applications, internal flows of rarefied gas in
confined geometries with moving parts are of great interest. The rarefied gaseous flows in an …
confined geometries with moving parts are of great interest. The rarefied gaseous flows in an …
Kinetic modelling of rarefied gas mixtures with disparate mass in strong non-equilibrium flows
Q Li, J Zeng, L Wu - Journal of Fluid Mechanics, 2024 - cambridge.org
The simulation of rarefied gas flow based on the Boltzmann equation is challenging,
especially when the gas mixtures have disparate molecular masses. In this paper, a …
especially when the gas mixtures have disparate molecular masses. In this paper, a …
A unified stochastic particle method with spatiotemporal adaptation for simulating multiscale gas flows
Abstract Recently, the Unified Stochastic Particle (USP) method has emerged as a
promising approach for multiscale particle simulations, tailored specifically for non …
promising approach for multiscale particle simulations, tailored specifically for non …