A three-dimensional unified gas-kinetic wave-particle solver for flow computation in all regimes
In this paper, the unified gas-kinetic wave-particle (UGKWP) method has been constructed
on a three-dimensional unstructured mesh with parallel computing for multiscale flow …
on a three-dimensional unstructured mesh with parallel computing for multiscale flow …
A multiscale discrete velocity method for diatomic molecular gas
In the previous study, the multiscale discrete velocity method (MDVM) has been developed
for monatomic gas with particle translational motion only. Unlike the unified gas-kinetic …
for monatomic gas with particle translational motion only. Unlike the unified gas-kinetic …
Unified gas-kinetic wave-particle methods IV: multi-species gas mixture and plasma transport
In this paper, we extend the unified gas-kinetic wave-particle (UGKWP) methods to the multi-
species gas mixture and multiscale plasma transport. The construction of the scheme is …
species gas mixture and multiscale plasma transport. The construction of the scheme is …
[图书][B] A unified computational fluid dynamics framework from rarefied to continuum regimes
K Xu - 2021 - cambridge.org
This Element presents a unified computational fluid dynamics framework from rarefied to
continuum regimes. The framework is based on the direct modelling of flow physics in a …
continuum regimes. The framework is based on the direct modelling of flow physics in a …
An implicit adaptive unified gas-kinetic scheme for steady-state solutions of nonequilibrium flows
W Long, Y Wei, K Xu - Physics of Fluids, 2024 - pubs.aip.org
In recent years, nonequilibrium flows have been frequently encountered in various
aerospace engineering and micro-electro-mechanical systems applications. To understand …
aerospace engineering and micro-electro-mechanical systems applications. To understand …
Adaptive wave-particle decomposition in UGKWP method for high-speed flow simulations
With wave-particle decomposition, a unified gas-kinetic wave-particle (UGKWP) method has
been developed for multiscale flow simulations. With the variation of the cell Knudsen …
been developed for multiscale flow simulations. With the variation of the cell Knudsen …
An efficient asymptotic preserving Monte Carlo method for radiative transfer equations
Y Shi, P Song, T Xiong - Journal of Computational Physics, 2023 - Elsevier
In this work, an efficient asymptotic preserving Monte Carlo method is developed for
nonlinear thermal radiative transfer equations. We derive a new approximate macroscopic …
nonlinear thermal radiative transfer equations. We derive a new approximate macroscopic …
Unified gas-kinetic wave–particle method for gas–particle two-phase flow from dilute to dense solid particle limit
X Yang, W Shyy, K Xu - Physics of Fluids, 2022 - pubs.aip.org
A unified framework for particulate two-phase flow is presented with a wide range of solid
particle concentration from dilute to dense limit. The two-phase flow is simulated by two …
particle concentration from dilute to dense limit. The two-phase flow is simulated by two …
Unified gas-kinetic wave-particle methods VII: Diatomic gas with rotational and vibrational nonequilibrium
Y Wei, Y Zhu, K Xu - Journal of Computational Physics, 2024 - Elsevier
Hypersonic flow around a vehicle in near space flight is associated with multiscale non-
equilibrium physics at a large variation of local Knudsen number from the leading edge …
equilibrium physics at a large variation of local Knudsen number from the leading edge …