Unified gas-kinetic wave-particle method for three-dimensional simulation of gas-particle fluidized bed

X Yang, Y Wei, W Shyy, K Xu - Chemical Engineering Journal, 2023 - Elsevier
The gas–solid particle two-phase flow in a fluidized bed shows complex physics. The multi-
scale algorithm composed of the coupled gas-kinetic scheme (GKS) for the gas phase and …

A new paradigm of dissipation-adjustable, multi-scale resolving schemes for compressible flows

X Deng, Z Jiang, P Vincent, F **ao, C Yan - Journal of Computational …, 2022 - Elsevier
The scale-resolving simulation of high speed compressible flow through direct numerical
simulation (DNS) or large eddy simulation (LES) requires shock-capturing schemes to be …

[图书][B] A unified computational fluid dynamics framework from rarefied to continuum regimes

K Xu - 2021 - cambridge.org
This Element presents a unified computational fluid dynamics framework from rarefied to
continuum regimes. The framework is based on the direct modelling of flow physics in a …

A compact high-order gas-kinetic scheme on unstructured mesh for acoustic and shock wave computations

F Zhao, X Ji, W Shyy, K Xu - Journal of Computational Physics, 2022 - Elsevier
Following the development of a third-order compact gas-kinetic scheme (GKS) for the Euler
and Navier-Stokes equations (Ji et al.(2020)[40]), in this paper a higher-order compact GKS …

A seventh-order accurate weighted compact scheme for shock-associated noise computation

H Li, C Wu, Y Luo, X Liu, S Zhang - Journal of Computational Physics, 2023 - Elsevier
High-fidelity computation of shock-associated noise places stringent requirements on the
accuracy, linear and nonlinear spectral properties of shock-capturing scheme. In this paper …

Compact high-order gas-kinetic scheme for three-dimensional flow simulations

X Ji, F Zhao, W Shyy, K Xu - AIAA Journal, 2021 - arc.aiaa.org
A third-order compact gas-kinetic scheme is proposed for three-dimensional compressible
flow computations. The new scheme is based on three key ingredients: the time-accurate …

High-order compact gas-kinetic schemes for three-dimensional flow simulations on tetrahedral mesh

F Zhao, X Ji, W Shyy, K Xu - Advances in Aerodynamics, 2023 - Springer
A general framework for the development of high-order compact schemes has been
proposed recently. The core steps of the schemes are composed of the following. 1). Based …

Unified gas-kinetic wave-particle methods VI: Disperse dilute gas-particle multiphase flow

X Yang, C Liu, X Ji, W Shyy, K Xu - arxiv preprint arxiv:2107.05075, 2021 - arxiv.org
In this paper, a unified gas-kinetic wave-particle scheme (UGKWP) for the disperse dilute
gas-particle multiphase flow is proposed. The gas phase is always in the hydrodynamic …

一种面向激波噪声计算的加权优化紧致格式及非线性效应分析

**虎, 罗勇, 刘旭亮, 武从海, **帅斌, 王益民 - 力学学报, 2022 - lxxb.cstam.org.cn
在超声速流动中, 激波与湍流结构的相互作用会产生高**度的激波噪声. 激波噪声的高保真计算
要求激波捕捉格式具有高阶精度, 低耗散和低色散特性, 同时还要尽可能地减弱格式的非线性 …

Linear discrete velocity model-based lattice Boltzmann flux solver for simulating acoustic propagation in fluids

N Zhan, R Chen, Q Song, Y You - Physical Review E, 2022 - APS
A linear lattice velocity model is developed, and a corresponding lattice Boltzmann flux
solver (LBFS) is constructed based on it. This solver calculates the fluxes of the linearized …