125 citations · 433 across the 19 of their papers we have counts for
19 papers
Non-equilibrium transport of inhomogeneous shale gas under ultra-tight confinement
Baochao Shan, Runxi Wang, Peng Wang +3
The non-equilibrium transport of inhomogeneous and dense gases highly confined by surface is encountered in many engineering applications. For example, in the shale gas production…
Can we find steady-state solutions to multiscale rarefied gas flows within dozens of iterations?
Wei Su, Lianhua Zhu, Peng Wang +2
One of the central problems in the study of rarefied gas dynamics is to find the steady-state solution of the Boltzmann equation quickly. When the Knudsen number is large, i.e. the…
Implicit Discontinuous Galerkin Method for the Boltzmann Equation
Wei Su, Peng Wang, Yonghao Zhang +1
An implicit high-order discontinuous Galerkin (DG) method is developed to find steady-state solution of rarefied gas flow described by the Boltzmann equation with full collision op…
GPU acceleration of an iterative scheme for gas-kinetic model equations with memory reduction techniques
Lianhua Zhu, Peng Wang, Songze Chen +2
This paper presents a Graphics Processing Units (GPUs) acceleration method of an iterative scheme for gas-kinetic model equations. Unlike the previous GPU parallelization of explic…
A versatile lattice Boltzmann model for immiscible ternary fluid flows
Yuan Yu, Haihu Liu, Dong Liang +1
We propose a lattice Boltzmann color-gradient model for immiscible ternary fluid flows, which is applicable to the fluids with a full range of interfacial tensions, especially in n…
High-Order Implicit Hybridizable Discontinuous Galerkin Method for the Boltzmann Equation
Wei Su, Peng Wang, Yonghao Zhang +1
The high-order hybridizable discontinuous Galerkin (HDG) method combining with an implicit iterative scheme is used to find the steady-state solution of the Boltzmann equation with…
A high-order hybridizable discontinuous Galerkin method with fast convergence to steady-state solutions of the gas kinetic equation
Wei Su, Peng Wang, Yonghao Zhang +1
The mass flow rate of Poiseuille flow of rarefied gas through long ducts of two-dimensional cross-sections with arbitrary shape are critical in the pore-network modeling of gas tra…
A multi-level parallel solver for rarefied gas flows in porous media
Minh Tuan Ho, Lianhua Zhu, Lei Wu +4
A high-performance gas kinetic solver using multi-level parallelization is developed to enable pore-scale simulations of rarefied flows in porous media. The Boltzmann model equatio…
Lattice Boltzmann simulation of viscous fingering of immiscible displacement in a channel using an improved wetting scheme
Yuan Yu, Haihu Liu, Yonghao Zhang +1
An improved wetting boundary implementation strategy is proposed based on lattice Boltzmann color-gradient model in this paper. In this strategy, an extra interface force condition…
On the apparent permeability of porous media in rarefied gas flows
Lei Wu, M. T. Ho, Lefki Germanou +4
The apparent gas permeability of the porous medium is an important parameter in the prediction of unconventional gas production, which was first investigated systematically by Klin…
A comment on `An improved macroscale model for gas slip flow in porous media'
Lei Wu, Minh Tuan Ho, Lefki Germanou +4
In a recent paper by Lasseux, Valdés-Parada and Porter (J.~Fluid~Mech. \textbf{805} (2016) 118-146), it is found that the apparent gas permeability of the porous media is a nonline…
A comparative study of discrete velocity methods for rarefied gas flows
Peng Wang, Minh-Tuan Ho, Lei Wu +2
In the study of rarefied gas dynamics, the discrete velocity method (DVM) has been widely employed to solve the gas kinetic equations. Although various versions of DVM have been de…
A fast iterative scheme for the linearized Boltzmann equation
Lei Wu, Jun Zhang, Haihu Liu +2
An iterative scheme can be used to find a steady-state solution to the Boltzmann equation, however, it is very slow to converge in the near-continuum flow regime. In this paper, a…
Lattice Boltzmann modelling of intrinsic permeability
Jun Li, Minh Tuan Ho, Lei Wu +1
Lattice Boltzmann method (LBM) has been applied to predict flow properties of porous media including intrinsic permeability, where it is implicitly assumed that the LBM is equivale…
Lattice ellipsoidal statistical BGK model for thermal non-equilibrium flows
Jianping Meng, Yonghao Zhang, Nicolas G. Hadjiconstantinou +2
A thermal lattice Boltzmann model is constructed on the basis of the ellipsoidal statistical Bhatnagar-Gross-Krook (ES-BGK) collision operator via the Hermite moment representation…
Kinetic diffuse boundary condition for high-order lattice Boltzmann model with streaming-collision mechanism
Jianping Meng, Yonghao Zhang
The implementation of the kinetic diffuse boundary condition with the characteristic streaming-collision mechanism is studied for the high-order lattice Boltzmann (LB) models. The…
Beyond the Knudsen number: assessing thermodynamic non-equilibrium in gas flows
Jianping Meng, Nishanth Dongari, Jason M. Reese +1
For more than 150 years the Navier-Stokes equations for thermodynamically quasi-equilibrium flows have been the cornerstone of modern computational fluid dynamics that underpins ne…
Multiscale lattice Boltzmann approach to modeling gas flows
Jianping Meng, Yonghao Zhang, Xiaowen Shan
For multiscale gas flows, kinetic-continuum hybrid method is usually used to balance the computational accuracy and efficiency. However, the kinetic-continuum coupling is not strai…
Accuracy analysis of high-order lattice Boltzmann models for rarefied gas flows
Jianping Meng, Yonghao Zhang
In this work, we have theoretically analyzed and numerically evaluated the accuracy of high-order lattice Boltzmann (LB) models for capturing non-equilibrium effects in rarefied ga…