59 citations · 226 across the 27 of their papers we have counts for
12 papers · 1 filter
The extended gas-kinetic theory from Pullin equation: the relaxation rates, transport coefficients and model equation
Sha Liu, Ningchao Ding, Ming Fang +4
The Borgnakke-Larsen model, widely used in rarefied flow predictions, serves as the mainstream energy-exchange kernel for polyatomic gases. However, it lacks integrability and does…
A hybrid numerical algorithm based on the stochastic particle Shakhov and DSMC method
Hao Jin, Sha Liu, Sirui Yang +3
The Direct Simulation Monte Carlo (DSMC) method is widely employed for simulating rarefied nonequilibrium gas flows. With advances in aerospace engineering and micro/nano-scale tec…
Multiple solutions of nonlinear coupled constitutive relation model and its rectification in non-equilibrium flow computation
Junzhe Cao, Sha Liu, Chengwen Zhong +2
In this study, the multiple solutions of Nonlinear Coupled Constitutive Relation (NCCR) model are firstly observed and a way for identifying the physical solution is proposed. The…
A direct relaxation process for particle methods in gas kinetic theory
Sirui Yang, Sha Liu, Chengwen Zhong +2
The multi-scale flow mechanism is crucial for force and heat loaded on near-space and reentry vehicles, the control of spacecraft by thrusters, the propelling and cooling of MEMS,…
Performance evaluation of high-order reconstruction for discrete unified gas-kinetics scheme in tracking fluid interfaces
Zeren Yand, Chengwen Zhong, Congshan Zhuo
With a noticeable increase in research centered on modeling micro fluid interfaces in the framework of mesoscopic methods, we conduct an exhaustive study of discrete unified gas-ki…
A simplified discrete unified gas kinetic scheme for incompressible flow
Mingliang Zhong, Sen Zou, Dongxin Pan +2
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 Lattice Boltzmann Method (LB…
A simplified finite volume lattice Boltzmann method for simulations of fluid flows from laminar to turbulent regime, Part II: Extension towards turbulent flow simulation
Yong Wang, Chengwen Zhong, Jun Cao +1
In this paper, the finite volume lattice Boltzmann method (FVLBM) on unstructured grid presented in Part I of this paper is extended to simulate the turbulent flows. To model the t…
A simplified finite volume lattice Boltzmann method for simulations of fluid flows from laminar to turbulent regime, Part I: Numerical framework and its application to laminar flow simulation
Yong Wang, Chengwen Zhong, Jun Cao +1
In this paper, a finite volume lattice Boltzmann method (FVLBM) based on cell-center unstructured girds is presented and full studied to simulate the incompressible laminar flows,…
A phase-field model for large-density-ratio two-phase flows based on discrete unified gas-kinetic scheme
Zeren Yang, Chengwen Zhong, Congshan Zhuo
In this paper, a phase-field based model under the framework of discrete unified gas-kinetic scheme (DUGKS) for incompressible multiphase fluid flows is proposed. Two kinetic model…
A third order gas-kinetic scheme for unstructured grid
Ji Li, Chengwen Zhong, Congshan Zhuo
In our study, a compact third order gas-kinetic scheme is constructed for unstructured grid which is combined the compact least-square reconstruction (CLS) method. The CLS method c…
A unified gas kinetic scheme for transport and collision effects in plasma
Dongxin Pana, Chengwen Zhong, Congshan Zhuo +1
In this study, the Vlasov-Poisson equation with or without collision term for plasma is solved by the unified gas kinetic scheme (UGKS). The Vlasov equation is a differential equat…
An Implicit Gas-Kinetic Scheme for Turbulent Flow on Unstructured Hybrid Mesh
Dongxin Pan, Chengwen Zhong, Congshan Zhuo
In this study, an implicit scheme for the gas-kinetic scheme (GKS) on the unstructured hybrid mesh is proposed. The Spalart-Allmaras (SA) one equation turbulence model is incorpora…