Complex fields in heterogeneous materials under shock: Modeling, simulation and analysis

AG Xu, GC Zhang, YJ Ying, C Wang - Science China Physics, Mechanics …, 2016 - Springer
In this mini-review we summarize the progress of modeling, simulation and analysis of shock
responses of heterogeneous materials in our group in recent years. The basic methodology …

Collaboration and competition between Richtmyer-Meshkov instability and Rayleigh-Taylor instability

F Chen, A Xu, G Zhang - Physics of fluids, 2018 - pubs.aip.org
The two-dimensional Richtmyer-Meshkov Instability (RMI) system and the coexisting system
combined with Rayleigh-Taylor Instability (RTI) are simulated with a multiple-relaxation time …

Nonequilibrium and morphological characterizations of Kelvin–Helmholtz instability in compressible flows

YB Gan, AG Xu, GC Zhang, CD Lin, HL Lai, ZP Liu - Frontiers of Physics, 2019 - Springer
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, two …

[HTML][HTML] Non-equilibrium characteristics of mass and heat transfers in the slip flow

Y Zhang, A Xu, F Chen, C Lin, ZH Wei - AIP Advances, 2022 - pubs.aip.org
Slip flow is a common phenomenon in micro-/nano-electromechanical systems. It is well
known that the mass and heat transfers in slip flow show many unique behaviors, such as …

Kinetic modeling of detonation and effects of negative temperature coefficient

Y Zhang, A Xu, G Zhang, C Zhu, C Lin - Combustion and Flame, 2016 - Elsevier
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 equations are …

Viscosity, heat conductivity, and Prandtl number effects in the Rayleigh–Taylor instability

F Chen, AG Xu, GC Zhang - Frontiers of Physics, 2016 - Springer
Abstract The two-dimensional Rayleigh–Taylor instability problem is simulated with a
multiple-relaxation-time discrete Boltzmann model with a gravity term. Viscosity, heat …

Discrete Boltzmann method for non-equilibrium flows: Based on Shakhov model

Y Zhang, A Xu, G Zhang, Z Chen, P Wang - Computer Physics …, 2019 - Elsevier
A general framework for constructing discrete Boltzmann model for non-equilibrium flows
based on the Shakhov model is presented. The Hermite polynomial expansion and a set of …

Multiple-relaxation-time discrete Boltzmann modeling of multicomponent mixture with nonequilibrium effects

C Lin, KH Luo, A Xu, Y Gan, H Lai - Physical Review E, 2021 - APS
A multiple-relaxation-time discrete Boltzmann model (DBM) is proposed for multicomponent
mixtures, where compressible, hydrodynamic, and thermodynamic nonequilibrium effects …

Discrete Boltzmann modeling of plasma shock wave

Z Liu, J Song, A Xu, Y Zhang… - Proceedings of the …, 2023 - journals.sagepub.com
Plasma shock waves widely exist and play an important role in high-energy-density
environment, especially in the inertial confinement fusion. Due to the large gradient of …

[PDF][PDF] 非平衡与多相复杂系统模拟研究——Lattice Boltzmann 动理学理论与应用

许爱国, 张广财, 李英骏, 李华 - 物理学进展, 2014 - researchgate.net
在自然界和工程物理领域存在大量的非平衡, 多相等复杂系统和复杂行为. Lattice Boltzmann
(LB) 方法起源于复杂系统复杂行为研究的格子气或元胞自动机模型; 其中, 现代版的Lattice …