43 citations · 168 across the 17 of their papers we have counts for
9 papers · 1 filter
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,…
A multi-scale kinetic inviscid flux extracted from the gas-kinetic scheme for simulating incompressible and compressible flows
Sha Liu, Junzhe Cao, Chengwen Zhong
A Kinetic Inviscid Flux (KIF) is proposed for simulating incompressible and compressible flows. It is constructed based on the direct modeling of multi-scale flow behaviors, which…
Simplified Unified Wave-Particle Method with Quantified Model-Competition Mechanism for Numerical Calculation of Multi-Scale Flows
Sha Liu, Chengwen Zhong, Ming Fang
A Quantified Model-Competition (QMC) mechanism for multi-scale flows is extracted from the integral (analytical) solution of the Boltzmann-BGK model equation. In the QMC mechanism,…
A multiscale discrete velocity method for model kinetic equations
Ruifeng Yuan, Sha Liu, Chengwen Zhong
In this paper, authors focus effort on improving the conventional discrete velocity method (DVM) into a multiscale scheme in finite volume framework for gas flow in all flow regime…
An ALE-type discrete unified gas kinetic scheme for low-speed continuum and rarefied flow simulations with moving boundaries
Yong Wan, Chengwen Zhong
In this paper, the original discrete unified gas kinetic scheme (DUGKS) is extended to arbitrary Lagrangian-Eulerian (ALE) framework for simulating the low-speed continuum and rare…