109 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Beijing Institute of TechnologyCN31 papers
- Institute of Applied Physics and Computational MathematicsCN20 papers
- Peking UniversityCN20 papers
- North China Institute of Aerospace EngineeringCN10 papers
- Zhengzhou UniversityCN8 papers
- Fujian Normal UniversityCN6 papers
- China University of Mining and TechnologyCN4 papers
- Stockholm UniversitySE4 papers
- Tianjin Chengjian UniversityCN4 papers
- China University of Mining and Technology - Beijing3 papers
- Chinese Academy of SciencesCN3 papers
- Institute of Theoretical PhysicsCN3 papers
32 papers
Boundary-layer transition in the age of data: from a comprehensive dataset to fine-grained prediction
Wenhui Chang, Hongyuan Hu, Youcheng Xi +3
The laminar-to-turbulent transition remains a fundamental and enduring challenge in fluid mechanics. Its complexity arises from the intrinsic nonlinearity and extreme sensitivity t…
Sensitivity of three-dimensional boundary-layer stability to intrinsic uncertainties of fluid properties: a study on supercritical CO2
Jie Ren, Yongxiang Wu, Xuerui Mao +2
The intrinsic uncertainty of fluid properties, including the equation of state, viscosity, and thermal conductivity, on boundary layer stability has scarcely been addressed. When a…
Thermodynamic nonequilibrium effects in three-dimensional high-speed compressible flows: Multiscale modeling and simulation via the discrete Boltzmann method
Qinghong Guo, Yanbiao Gan, Bin Yang +3
Three-dimensional (3D) high-speed compressible flow is a typical nonlinear, nonequilibrium, and multiscale complex flow. Traditional fluid mechanics models, based on the quasi-cont…
Advances in the kinetics of heat and mass transfer in near-continuous complex flows
Aiguo Xu, Dejia Zhang, Yanbiao Gan
The study of macro continuous flow has a long history. Simultaneously, the exploration of heat and mass transfer in small systems with a particle number of several hundred or less…
Viscous effects on morphological and thermodynamic non-equilibrium characterizations of shock-bubble interaction
Dejia Zhang, Aiguo Xu, Yanbiao Gan +3
A two-fluid discrete Boltzmann model with a flexible Prandtl number is formulated to study the shock-bubble interaction (SBI). This paper mainly focuses on the viscous effects on m…
Plasma kinetics: Discrete Boltzmann modelling and Richtmyer-Meshkov instability
Jiahui Song, Aiguo Xu, Long Miao +5
A discrete Boltzmann model (DBM) for plasma kinetics is proposed. The constructing of DBM mainly considers two aspects. The first is to build a physical model with sufficient physi…
Discrete Boltzmann modeling of detonation: based on the Shakhov model
Yiming Shan, Aiguo Xu, Yudong Zhang +2
A Discrete Boltzmann Model(DBM) based on the Shakhov model for detonation is proposed. Compared with the DBM based on the Bhatnagar-Gross-Krook (BGK) model, the current model has a…
On the formation of a tulip flame in closed and semi-open tubes
Mikhail A. Liberman, Chengeng Qian, Cheng Wang
The paper examines the mechanism of the tulip flame formation for the flames propagating in closed tubes of various aspect ratios and in a half-open tube. The formation of tulip fl…
Rayleigh-Taylor instability under multi-mode perturbation: discrete Boltzmann modeling with tracers
Hanwei Li, Aiguo Xu, Ge Zhang +1
The Rayleigh-Taylor Instability (RTI) under multi-mode perturbation in compressible flow is probed via the Discrete Boltzmann Modeling (DBM) with tracers. The distribution of trace…
Thermodynamic non-equilibrium effects in bubble coalescence: A discrete Boltzmann study
Guanglan Sun, Yanbiao Gan, Aiguo Xu +2
The Thermodynamic Non-Equilibrium (TNE) effects in the coalescing process of two initially static bubbles under thermal conditions are investigated by a Discrete Boltzmann Model (D…
Discrete Boltzmann modeling of high-speed compressible flows with various depths of non-equilibrium
Dejia Zhang, Aiguo Xu, Yudong Zhang +2
The non-equilibrium high-speed compressible flows present wealthy applications in engineering and science. With the deepening of Thermodynamic Non-Equilibrium (TNE), higher-order n…
Discrete Boltzmann modeling of Rayleigh-Taylor instability: effects of interfacial tension, viscosity and heat conductivity
Jie Chen, Aiguo Xu, Dawei Chen +2
The Rayleigh-Taylor Instability (RTI) in compressible flow with inter-molecular interactions is probed via the Discrete Boltzmann Method (DBM). The effects of interfacial tension,…
Discrete Boltzmann multi-scale modeling of non-equilibrium multiphase flows
Yanbiao Gan, Aiguo Xu, Huilin Lai +3
The aim of this paper is twofold: the first is to formulate and validate a multi-scale discrete Boltzmann method (DBM) based on density functional kinetic theory for thermal multip…
Effects of the initial perturbations on the Rayleigh-Taylor-Kelvin-Helmholtz instability system
Feng Chen, Aiguo Xu, Yudong Zhang +3
In the paper, the effects of initial perturbations on the Rayleigh-Taylor instability (RTI), Kelvin-Helmholtz instability (KHI), and the coupled Rayleigh-Taylor-Kelvin-Helmholtz in…
Discrete Boltzmann Modeling of Plasma Shock Wave
Zhipeng Liu, Jiahui Song, Aiguo Xu +2
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 macroscop…
Stochastic analysis of heterogeneous porous material with modified neural architecture search (NAS) based physics-informed neural networks using transfer learning
Hongwei Guo, Xiaoying Zhuang, Timon Rabczuk
In this work, a modified neural architecture search method (NAS) based physics-informed deep learning model is presented for stochastic analysis in heterogeneous porous material. M…
Analysis of three dimensional potential problems in non-homogeneous media with physics-informed deep collocation method using material transfer learning and sensitivity analysis
Hongwei Guo, Xiaoying Zhuang, Pengwan Chen +2
In this work, we present a deep collocation method for three dimensional potential problems in nonhomogeneous media. This approach utilizes a physics informed neural network with m…
Two-fluid discrete Boltzmann model for compressible flows: based on Ellipsoidal Statistical Bhatnagar-Gross-Krook
D. J. Zhang, A. G. Xu, Y. D. Zhang +1
A two-fluid Discrete Boltzmann Model(DBM) for compressible flows based on Ellipsoidal Statistical Bhatnagar-Gross-Krook(ES-BGK) is presented. The model has flexible Prandtl number…
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…
Delineation of the flow and mixing induced by Rayleigh-Taylor instability through tracers
Ge Zhang, Aiguo Xu, Dejia Zhang +3
Rayleigh-Taylor-instability(RTI) induced flow and mixing are of great importance in both nature and engineering scenarios. To capture the underpinning physics, tracers are introduc…
Convergence properties of detonation simulations
Chengeng Qian, Cheng Wang, JianNan Liu +3
We present a high-resolution convergence study of detonation initiated by a temperature gradient in a stoichiometric hydrogen-oxygen mixture using the Pencil Code and compare with…
Influence of chemical kinetics on detonation initiating by temperature gradients in methane/air
Cheng Wang, Chengeng Qian, JianNan Liu +1
Different simplified and detailed chemical models and their impact on simulations of combustion regimes initiating by the initial temperature gradient in methane/air mixtures are s…
Influence of chemical kinetics on spontaneous waves and detonation initiation in highly reactive and low reactive mixtures
Mikhail Liberman, Cheng Wang, Chengeng Qian +1
Understanding the mechanisms of explosions is important for minimizing devastating hazards. Due to the complexity of real chemistry, a single-step reaction mechanism is usually use…
Comparative Study on Several Criteria for Non-equilibrium Phase Separation
Yudong Zhang, Aiguo Xu, Guangcai Zhang +1
Several different kinds of criteria for non-equilibrium phase separation to discriminate the two stages, the spinnodal decompostion (SD) and domain growth (DG), are compared and fu…