Discrete unified gas kinetic scheme for all Knudsen number flows: Low-speed isothermal case

Z Guo, K Xu, R Wang - Physical Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
Based on the Boltzmann-BGK (Bhatnagar-Gross-Krook) equation, in this paper a discrete
unified gas kinetic scheme (DUGKS) is developed for low-speed isothermal flows. The …

Discrete Boltzmann modeling of Rayleigh-Taylor instability in two-component compressible flows

C Lin, A Xu, G Zhang, KH Luo, Y Li - Physical Review E, 2017 - APS
A discrete Boltzmann model (DBM) is proposed to probe the Rayleigh-Taylor instability (RTI)
in two-component compressible flows. Each species has a flexible specific-heat ratio and is …

A multi-component discrete Boltzmann model for nonequilibrium reactive flows

C Lin, KH Luo, L Fei, S Succi - Scientific reports, 2017 - nature.com
We propose a multi-component discrete Boltzmann model (DBM) for premixed,
nonpremixed, or partially premixed nonequilibrium reactive flows. This model is suitable for …

Discrete Boltzmann trans-scale modeling of high-speed compressible flows

Y Gan, A Xu, G Zhang, Y Zhang, S Succi - Physical Review E, 2018 - APS
We present a general framework for constructing trans-scale discrete Boltzmann models
(DBMs) for high-speed compressible flows ranging from continuum to transition regime. This …

Unified gas-kinetic scheme for diatomic molecular simulations in all flow regimes

S Liu, P Yu, K Xu, C Zhong - Journal of Computational Physics, 2014 - Elsevier
A unified gas-kinetic scheme (UGKS) is constructed for both continuum and rarefied flow
computations. The underlying principle for the development of UGKS is the direct modeling …

[HTML][HTML] Mesoscopic simulation of nonequilibrium detonation with discrete Boltzmann method

C Lin, KH Luo - Combustion and Flame, 2018 - Elsevier
Thanks to its mesoscopic nature, the recently developed discrete Boltzmann method (DBM)
has the capability of providing deeper insight into nonequilibrium reactive flows accurately …

[HTML][HTML] MRT discrete Boltzmann method for compressible exothermic reactive flows

C Lin, KH Luo - Computers & Fluids, 2018 - Elsevier
An efficient, accurate and robust multiple-relaxation-time (MRT) discrete Boltzmann method
(DBM) is proposed for compressible exothermic reactive flows, with both specific heat ratio …

Kinetic solvers with adaptive mesh in phase space

RR Arslanbekov, VI Kolobov, AA Frolova - Physical Review E—Statistical …, 2013 - APS
An adaptive mesh in phase space (AMPS) methodology has been developed for solving
multidimensional kinetic equations by the discrete velocity method. A Cartesian mesh for …

The effect of pulsating pressure on the performance of a PEM fuel cell with a wavy cathode surface

HR Ashorynejad, K Javaherdeh… - International Journal of …, 2016 - Elsevier
In the context of attempts to improve the performance of Proton Exchange Membrane (PEM)
fuel cells with a heterogeneous porous gas diffusion layer (GDL) consisting of carbon paper …

Accuracy of high-order lattice Boltzmann method for non-equilibrium gas flow

Y Shi, L Wu, X Shan - Journal of Fluid Mechanics, 2021 - cambridge.org
The lattice Boltzmann method (LBM), which was originally designed for near-incompressible
Navier–Stokes flows, has been extended to rarefied gas flows with high-order quadrature in …