An implicit unified gas-kinetic wave–particle method for radiative transport process

C Liu, W Li, Y Wang, P Song, K Xu - Physics of Fluids, 2023 - pubs.aip.org
The unified gas-kinetic wave–particle method (UGKWP) has been developed for the
multiscale gas, plasma, and multiphase flow transport processes for the past years. In this …

Unified Gas-Kinetic Wave-Particle Method for Multiscale Flow Simulation of Partially Ionized Plasma

Z Pu, K Xu - arxiv preprint arxiv:2407.07929, 2024 - arxiv.org
The Unified Gas-Kinetic Wave-Particle (UGKWP) method is constructed for partially ionized
plasma (PIP). This method possesses both multiscale and unified preserving (UP) …

[HTML][HTML] A unified theory of the self-similar supersonic Marshak wave problem

M Krief, RG McClarren - Physics of Fluids, 2024 - pubs.aip.org
We present a systematic study of the similarity solutions for the Marshak wave problem in the
local thermodynamic equilibrium (LTE) diffusion approximation and in the supersonic …

[HTML][HTML] The non-equilibrium Marshak wave problem in non-homogeneous media

N Derei, S Balberg, SI Heizler, E Steinberg… - Physics of …, 2024 - pubs.aip.org
We derive a family of similarity solutions to the nonlinear non-equilibrium Marshak wave
problem for an inhomogeneous planar medium, which is coupled to a time dependent …

An implicit unified gas-kinetic particle method with large time steps for gray radiation transport

Y Hu, C Liu, H Shen, G **ao, J Li - Physics of Fluids, 2024 - pubs.aip.org
For a long time, efficient algorithms for high-dimensional equations, represented by photon
radiation transport, have been one important topic in the development of computational …

Simplified unified wave-particle method for diatomic gases based on Rykov model

S Yang, S Liu, J Cao, C Zhong - arxiv preprint arxiv:2409.14146, 2024 - arxiv.org
During the past decades, the numerical methods based on Navier-Stokes (NS) equations
and direct simulation Monte Carlo (DSMC) methods have been proved effective in …

An asymptotic-preserving IMEX PN method for the gray model of the radiative transfer equation

J Fu, J Cheng, W Li, T **ong, Y Wang - arxiv preprint arxiv:2410.23650, 2024 - arxiv.org
An asymptotic-preserving (AP) implicit-explicit PN numerical scheme is proposed for the
gray model of the radiative transfer equation, where the first-and second-order numerical …

Unified gas-kinetic wave-particle method for frequency-dependent radiation transport equation

X Yang, Y Zhu, C Liu, K Xu - Journal of Computational Physics, 2025 - Elsevier
The multi-frequency radiation transport equation (RTE) system models the photon transport
and the energy exchange process between the background material and different frequency …

A Positive-Preserving Unified Gas-Kinetic Scheme for Radiative Transfer Equation in Cylindrical Coordinates

Y Wang - Available at SSRN 5069822 - papers.ssrn.com
The radiative transfer equation (RTE) is important in the study of inertial confinement fusion
(ICF). Cylindrical configurations are commonly employed in ICF studies, such as at the …