92 citations · 512 across the 24 of their papers we have counts for
24 papers
Discrete Boltzmann model at Burnett level for compressible multicomponent flows under external forces
Demei Li, Huilin Lai, Chuandong Lin +1
This work extends the Burnett-level discrete Boltzmann model (DBM) from single-component to multicomponent compressible flows under external forces, building on the fundamental fra…
A One-Dimensional Discrete Boltzmann Method for Multidimensional Compressible Flows
Yaofeng Li, Chuandong Lin
A simple and efficient one-dimensional discrete Boltzmann method is developed for compressible flows with tunable specific heat ratios by incorporating extra degrees of freedom. To…
Kinetic study of compressible Rayleigh-Taylor instability with time-varying acceleration
Huilin Lai, Chuandong Lin, Hao Xu +3
Rayleigh-Taylor (RT) instability commonly arises in compressible systems with time-dependent acceleration in practical applications. To capture the complex dynamics of such systems…
Investigating the Effect of Relaxation Time on Richtmyer-Meshkov Instability under Reshock Impact: A Two-Component Discrete Boltzmann Method Study
Lingyan Lian, Chuandong Lin, Demei Li +1
The Richtmyer-Meshkov (RM) instability plays an important role in various natural and engineering fields, such as inertial confinement fusion. In this work, the effect of relaxatio…
Central-moment-based discrete Boltzmann modeling of compressible flows
Chuandong Lin, Xianli Su, Linlin Fei +1
In this work, a central-moment-based discrete Boltzmann method (CDBM) is constructed for fluid flows with variable specific heat ratios. The central kinetic moments are employed to…
Effects of reflection distance on Richtmyer-Meshkov instability in the reshock process: A discrete Boltzmann study
Huilin Lai, Chuandong Lin, Demei Li +4
The Richtmyer-Meshkov (RM) instability occurs when a perturbed interface between two fluids undergoes impulsive acceleration due to a shock wave. In this paper, a numerical investi…
Burnett-level discrete Boltzmann modeling of compressible flows under force
Suni Chen, Chuandong Lin, Demei Li +1
In this paper, a Burnett-level discrete Boltzmann model (DBM) is proposed for the compressible flow in a force field, and a discrete velocity set with 25 velocities is constructed…
Lattice Boltzmann simulation reveals supercritical bifurcation in flow mode transitions of power-law fluids in the four-roll mill
Yuan Yu, Xiao Jiang, Qingqing Gu +3
The four-roll mill has been traditionally viewed as a device generating simple extensional flow with a central stagnation point. Our systematic investigation using a two-relaxation…
Discrete Boltzmann model with split collision for nonequilibrium reactive flows
Chuandong Lin, Kai H. Luo, Huilin Lai
A multi-relaxation-time discrete Boltzmann model (DBM) with split collision is proposed for both subsonic and supersonic compressible reacting flows, where chemical reactions take…
Kinetic modeling of economic markets with heterogeneous saving propensities
Lijie Cui, Chuandong Lin
The lattice gas automaton (LGA) is proposed for a closed economic market of agents with heterogeneous saving interests. There are two procedures in the standard LGA, i.e., "propaga…
Nonequilibrium effects of reactive flow based on gas kinetic theory
Xianli Su, Chuandong Lin
How to accurately probe chemically reactive flows with essential thermodynamic nonequilibrium effects is an open issue. Via the Chapman-Enskog analysis, the local nonequilibrium pa…
Specific heat ratio effects of compressible Rayleigh-Taylor instability studied by discrete Boltzmann method
Lu Chen, Huilin Lai, Chuandong Lin +1
Rayleigh-Taylor (RT) instability widely exists in nature and engineering fields. How to better understand the physical mechanism of RT instability is of great theoretical significa…
A simple and efficient kinetic model for wealth distribution with saving propensity effect: based on lattice gas automaton
Lijie Cui, Chuandong Lin
The dynamics of wealth distribution plays a critical role in the economic market, hence an understanding of its nonequilibrium statistical mechanics is of great importance to human…
A multi-component discrete Boltzmann model for nonequilibrium reactive flows
Chuandong Lin, Kai Hong Luo, Linlin Fei +1
We propose a multi-component discrete Boltzmann model (DBM) for premixed, nonpremixed, or partially premixed nonequilibrium reactive flows. This model is suitable for both subsonic…
Multiple-relaxation-time discrete Boltzmann modeling of multicomponent mixture with nonequilibrium effects
Chuandong Lin, Kai H. Luo, Aiguo Xu +2
A multiple-relaxation-time discrete Boltzmann model (DBM) is proposed for multicomponent mixtures, where compressible, hydrodynamic, and thermodynamic nonequilibrium effects are ta…
Nonequilibrium and morphological characterizations of Kelvin-Helmholtz instability in compressible flows
Yanbiao Gan, Aiguo Xu, Guangcai Zhang +3
We investigate the effects of viscosity and heat conduction on the onset and growth of Kelvin-Helmholtz instability (KHI) via an efficient discrete Boltzmann model. Technically, tw…
Modeling incompressible thermal flows using a central-moment-based lattice Boltzmann method
Linlin Fei, K. H. Luo, Chuandong Lin +1
In this paper, a central-moment-based lattice Boltzmann (CLB) method for incompressible thermal flows is proposed. In the method, the incompressible Navier-Stokes equations and the…
Discrete Boltzmann modeling of Rayleigh-Taylor instability in two-component compressible flows
Chuandong Lin, Aiguo Xu, Guangcai Zhang +2
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…
Kinetic modeling of detonation and effects of negative temperature coefficient
Yudong Zhang, Aiguo Xu, Guangcai Zhang +2
The kinetic modeling and simulation of reactive flows, especially for those with detonation, are further investigated. From the theoretical side, a new set of hydrodynamic equation…
Multiple-relaxation-time lattice Boltzmann kinetic model for combustion
Aiguo Xu, Chuandong Lin, Guangcai Zhang +1
To probe both the Hydrodynamic Non-Equilibrium (HNE) and Thermodynamic Non-Equilibrium (TNE) in the combustion process, a two-dimensional Multiple-Relaxation-Time (MRT) version of…
Double-distribution-function discrete Boltzmann model for combustion
Chuandong Lin, Aiguo Xu, Guangcai Zhang +1
A 2-dimensional discrete Boltzmann model for combustion is presented. Mathematically, the model is composed of two coupled discrete Boltzmann equations for two species and a phenom…
Discrete Boltzmann model of compressible flows with spherical or cylindrical symmetry
Aiguo Xu, Guangcai Zhang, Chuandong Lin
To study simultaneously the hydrodynamic and thermodynamic behaviors in compressible flow systems with spherical or cylindrical symmetry, we present a theoretical framework for con…
Polar coordinate lattice Boltzmann kinetic modeling of detonation phenomena
Chuandong Lin, Aiguo Xu, Guangcai Zhang +1
A novel polar coordinate lattice Boltzmann kinetic model for detonation phenomena is presented and applied to investigate typical implosion and explosion processes. In this model,…
Polar coordinate lattice Boltzmann modeling of compressible flows
Chuandong Lin, Aiguo Xu, Guangcai Zhang +2
We present a polar coordinate lattice Boltzmann kinetic model for compressible flows. A method to recover the continuum distribution function from the discrete distribution functio…