Progress of discrete unified gas-kinetic scheme for multiscale flows

Z Guo, K Xu - Advances in Aerodynamics, 2021 - Springer
Multiscale gas flows appear in many fields and have received particular attention in recent
years. It is challenging to model and simulate such processes due to the large span of …

[HTML][HTML] Numerical study of three-dimensional natural convection in a cubical cavity at high Rayleigh numbers

P Wang, Y Zhang, Z Guo - International Journal of Heat and Mass Transfer, 2017 - Elsevier
A systematic numerical study of three-dimensional natural convection of air in a differentially
heated cubical cavity with Rayleigh number (Ra) up to 10 10 is performed by using the …

[HTML][HTML] A comparative study of discrete velocity methods for low-speed rarefied gas flows

P Wang, MT Ho, L Wu, Z Guo, Y Zhang - Computers & Fluids, 2018 - Elsevier
In the study of rarefied gas dynamics, the discrete velocity method (DVM) has been widely
employed to solve the gas kinetic equations. Although various versions of DVM have been …

DUGKS simulations of three-dimensional Taylor–Green vortex flow and turbulent channel flow

Y Bo, P Wang, Z Guo, LP Wang - Computers & Fluids, 2017 - Elsevier
The discrete unified gas-kinetic scheme (DUGKS) is a relatively new, finite-volume
formulation of the Boltzmann equation. It has several advantages over the lattice Boltzmann …

Discrete unified gas kinetic scheme for all Knudsen number flows. III. Binary gas mixtures of Maxwell molecules

Y Zhang, L Zhu, R Wang, Z Guo - Physical Review E, 2018 - APS
Recently a discrete unified gas kinetic scheme (DUGKS) in a finite-volume formulation
based on the Boltzmann model equation has been developed for gas flows in all flow …

A simplified discrete unified gas kinetic scheme for incompressible flow

M Zhong, S Zou, D Pan, C Zhuo, C Zhong - Physics of Fluids, 2020 - pubs.aip.org
The discrete unified gas kinetic scheme (DUGKS) is a new finite volume (FV) scheme for
continuum and rarefied flows, which combines the benefits of both the lattice Boltzmann …

A combined immersed boundary and discrete unified gas kinetic scheme for particle–fluid flows

S Tao, H Zhang, Z Guo, LP Wang - Journal of Computational Physics, 2018 - Elsevier
A discrete unified gas kinetic scheme (DUGKS) coupled with the immersed boundary (IB)
method is developed to perform interface-resolved simulation of particle-laden flows. The …

Simulation of three-dimensional forced compressible isotropic turbulence by a redesigned discrete unified gas kinetic scheme

T Chen, X Wen, LP Wang, Z Guo, J Wang, S Chen… - Physics of …, 2022 - pubs.aip.org
In this paper, we implemented the Boltzmann-equation-based mesoscopic model,
developed recently by Chen et al.[“Inverse design of mesoscopic models for compressible …

[HTML][HTML] Development of unsteady natural convection in a square cavity under large temperature difference

X Wen, LP Wang, Z Guo - Physics of Fluids, 2021 - pubs.aip.org
To investigate how the nonuniform fluid density distribution caused by large temperature
variations affects the development of unsteady natural convection, we perform a series of …

Laminar to turbulent flow transition inside the boundary layer adjacent to isothermal wall of natural convection flow in a cubical cavity

X Wen, LP Wang, Z Guo, DB Zhakebayev - International Journal of Heat …, 2021 - Elsevier
We investigate three-dimensional natural convection flow in an air-filled, differentially heated
cubical cavity. The vertical wall on the left is heated and the vertical wall on the right is …