59 citations · 226 across the 27 of their papers we have counts for
15 papers · 1 filter
Phenomenological energy exchange of diatomic gases: Comparison of Pullin and Borgnakke-Larsen models in direct simulation Monte Carlo method
Hao Jin, Sha Liu, Ningchao Ding +4
In hypersonic rarefied flows, insufficient intermolecular collisions cause significant deviations between translational and rotational temperatures, leading to strong thermal noneq…
A simplified unified wave-particle method for diatomic gases with rotational and vibrational non-equilibrium
Sirui Yang, Chengwen Zhong, Ningchao Ding +4
The hypersonic flow around near-space vehicles constitutes a multi-scale flow problem. Due to insufficient molecular collisions to achieve equilibrium, rarefied gas effects are pre…
A novel Cercignani-Lampis boundary model for discrete velocity methods in predicting rarefied and multi-scale flows
Jianfeng Chen, Sha Liu, Rui Zhang +5
To extend the discrete velocity method (DVM) and unified methods to more realistic boundary conditions, a Cercignani-Lampis (CL) boundary with different momentum and thermal energy…
Hypersonic wave wall flow based on gas kinetic method
Yining Yang, Rui Zhang, Jianfeng Chen +4
The transition of hypersonic boundary layer can lead to a several-fold increase in surface heat flux and skin friction for the aircraft, significantly impacting its flight performa…
High-order gas-kinetic scheme with TENO class reconstruction for the Euler and Navier-Stokes equations
Junlei Mu, Congshan Zhuo, Qingdian Zhang +2
The high-order gas-kinetic scheme(HGKS) with WENO spatial reconstruction method has been extensively validated through many numerical experiments, demonstrating its superior accura…
An efficient high-order gas-kinetic scheme with hybrid WENO-AO method for the Euler and Navier-Stokes solutions
Junlei Mu, Congshan Zhuo, Qingdian Zhang +2
The high-order gas-kinetic scheme (HGKS) features good robustness, high efficiency and satisfactory accuracy,the performaence of which can be further improved combined with WENO-AO…
A conservative implicit scheme for three-dimensional steady flows of diatomic gases in all flow regimes using unstructured meshes in the physical and velocity spaces
Rui Zhang, Sha Liu, Jianfeng Chen +2
A computationally accurate and efficient numerical method under a unified framework is crucial to various multi-scale scientific and engineering problems. So far, many numerical me…
A global adaptive velocity space for general discrete velocity framework in predictions of rarefied and multi-scale flows
Jianfeng Chen, Sha Liu, Rui Zhang +3
The rarefied flow and multi-scale flow are crucial for the aerodynamic design of spacecraft, ultra-low orbital vehicles and plumes. By introducing a discrete velocity space, the Bo…
Unified gas-kinetic scheme with simplified multi-scale numerical flux for thermodynamic non-equilibrium flow in all flow regimes
Rui Zhang, Sha Liu, Chengwen Zhong +1
In this paper, a unified gas-kinetic scheme (UGKS) with simplified multi-scale numerical flux is proposed for the thermodynamic non-equilibrium flow simulation involving the excita…
A gas-surface interaction algorithm for discrete velocity methods in predicting rarefied and multi-scale flows: For Maxwell boundary model
Jianfeng Chen, Sha Liu, Yong Wang +3
The rarefied flow and multi-scale flow are crucial for the aerodynamic design of spacecraft, ultra-low orbital vehicles and plumes. By introducing a discrete velocity space, the di…
Investigation of nonlinear squeeze-film damping involving rarefied gas effect in micro-electro-mechanical-systems
Yong Wang, Sha Liu, Congshan Zhuo +1
In this paper, the nonlinear squeeze-film damping (SFD) involving rarefied gas effect in the micro-electro-mechanical-systems (MEMS) is investigated. Considering the motion of stru…
An implicit kinetic inviscid flux for predicting continuum flows in all speed regimes
Junzhe Cao, Sha Liu, Chengwen Zhong
In this study, the kinetic inviscid flux (KIF) is improved and an implicit strategy is coupled. The recently proposed KIF is a kind of inviscid flux, whose microscopic mechanism ma…
A two stage fourth-order gas-kinetic scheme on unstructured hybrid mesh
Dongxin Pan, Chengwen Zhong, Congshan Zhuo
This paper presents an accurate and robust fourth order gas-kinetic scheme on two dimensional unstructured hybrid mesh for incompressible and compressible viscous flows. For genera…
An Implicit Discrete Unified Gas-Kinetic Scheme for Simulations of Steady Flow in All Flow Regimes
Dongxin Pan, Chengwen Zhong, Congshan Zhuo
This paper presents an implicit method for the discrete unified gas-kinetic scheme (DUGKS) to speed up the simulations of the steady flows in all flow regimes. The DUGKS is a multi…
Implementation of dual time stepping and GMRES of implicit gas-kinetic scheme for unsteady flow simulations
Ji Li, Chengwen Zhong, Yong Wang +1
A dual time-stepping strategy of gas-kinetic scheme for the simulation of unsteady flows is introduced in this work. The dual time-stepping strategy is always used in the approache…