27 citations
3 papers
physics.flu-dyn2022★ 23 cited
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…
physics.flu-dyn2021★ 27 cited
Analysis on numerical stability and convergence of RANS turbulence models from the perspective of coupling modes
Yilang Liu, Weiwei Zhang, Zhenhua Xia
Reynolds-averaged Navier-Stokes simulations are still the main method to study complex flows in engineering. However, traditional turbulence models cannot accurately predict flow f…
physics.comp-ph2021★ 12 cited
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,…