67 citations · 146 across the 24 of their papers we have counts for
25 papers
A well-balanced weakly compressible SPH formulation for free-surface flows and its GPU implementation
Jiawang Zhang, Fengxiang Zhao, Jianping Gan +1
This study proposes a well-balanced formulation of weakly compressible smoothed particle hydrodynamics (WCSPH) for free-surface flows, which preserves hydrostatic equilibrium exact…
Efficient Wall-Modeled High-Order Compact Gas-Kinetic Scheme for Compressible Turbulent Flows
Yaqing Yang, Fengxiang Zhao, Kun Xu
Scale-resolving simulations of wall-bounded turbulent flows remain prohibitively expensive at high Reynolds numbers, owing to the stringent near-wall resolution requirements. High-…
Finite Difference Implementation of a High-order Space-Time Coupled Compact Gas-Kinetic Scheme
Fengxiang Zhao, Yibing Chen, Kun Xu
This study presents a high-order compact finite difference gas-kinetic scheme (FD-CGKS) that introduces a novel spatial discretization strategy for the efficient implementation of…
Adaptive finite volume-particle method for free surface flows
Jiawang Zhang, Fengxiang Zhao, Kun Xu
This study proposes a novel adaptive finite volume-particle method (AFVPM) for accurate and efficient free surface flow simulations. The proposed AFVPM synergistically combines the…
A High-Order Finite Volume GENO Scheme with Implicit Time Integration for Three-Temperature Radiation Diffusion Equations
Fengxiang Zhao, Yaqing Yang, Yibing Chen +1
This study presents a high-order finite volume scheme capable of large time-step integration for three-temperature radiation diffusion (3TRD) equations, where conservation is natur…
A single-stage high-order compact gas-kinetic scheme in arbitrary Lagrangian-Eulerian formulation
Yue Zhang, Xing Ji, Yibing Chen +2
This study presents the development of a compact gas-kinetic scheme using an arbitrary Lagrangian-Eulerian (ALE) formulation for structured meshes. Unlike the Eulerian formulation,…
A Three-Dimensional Two-Temperature Gas-Kinetic Scheme with Generalized Kinetic Boundary Condition for Hypersonic SBLI
Xingjian Gao, Hualin Liu, Fengxiang Zhao +1
Accurate prediction of aerothermal loads in hypersonic flows is critical yet challenging due to the coupling of Shock-Wave/Boundary-Layer Interactions (SBLI) and thermal non-equili…
A Well-Balanced Space-Time ALE Compact Gas-Kinetic Scheme for the Shallow Water Equations on Unstructured Meshes
Fengxiang Zhao, Jianping Gan, Kun XU
This study presents a high-order, space-time coupled arbitrary Lagrangian Eulerian (ALE) compact gas-kinetic scheme (GKS) for the shallow water equations on moving unstructured mes…
A well-balanced gas-kinetic scheme with adaptive mesh refinement for shallow water equations
Gaocheng Liu, Fengxiang Zhao, Jianping Gan +1
This paper presents the development of a well-balanced gas-kinetic scheme (GKS) with space-time adaptive mesh refinement (STAMR) for the shallow water equations (SWE). While well-b…
Performance evaluation of high-order compact and second-order gas-kinetic schemes in compressible flow simulations
Yaqing Yang, Fengxiang Zhao, Kun Xu
The trade-off among accuracy, robustness, and computational cost remains a key challenge in simulating complex flows. Second-order schemes are computationally efficient but lack th…
An effective implementation of high-order compact gas-kinetic scheme on structured meshes for compressible flows
Yaqing Yang, Fengxiang Zhao, Kun Xu
A novel fifth-order compact gas-kinetic scheme is developed for high-resolution simulation of compressible flows on structured meshes. Its accuracy relies on a new multidimensional…
A generalized ENO reconstruction in compact GKS for compressible flow simulations
Fengxiang Zhao, Kun Xu
This paper presents a generalized ENO (GENO)-type nonlinear reconstruction scheme for compressible flow simulations. The proposed reconstruction preserves the accuracy of the linea…
High-order Compact Gas-kinetic Scheme for Two-layer Shallow Water Equations on Unstructured Mesh
Fengxiang Zhao, Jianping Gan, Kun Xu
For the two-layer shallow water equations, a high-order compact gas-kinetic scheme (GKS) on triangular mesh is proposed. The two-layer shallow water equations have complex source t…
High-order Compact Gas-kinetic Schemes for Three-dimensional Flow Simulation on Tetrahedral Mesh
Fengxiang Zhao, Xing Ji, Wei Shyy +1
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 on a kineti…
Direct Modeling for Computational Fluid Dynamics and the Construction of High-order Compact Scheme for Compressible Flow Simulations
Fengxiang Zhao, Xing Ji, Wei Shyy +1
Computational fluid dynamics is a direct modeling of physical laws in a discretized space. The basic physical laws include the mass, momentum and energy conservations, physically c…
Two-step multi-resolution reconstruction-based compact gas-kinetic scheme on tetrahedral mesh
Xing Ji, Fengxiang Zhao, Wei Shyy +1
In this paper, a third-order compact gas-kinetic scheme (GKS) on unstructured tetrahedral mesh is constructed for the compressible Euler and Navier-Stokes solutions. The time-depen…
A compact high-order gas-kinetic scheme on unstructured mesh for acoustic and shock wave computations
Fengxiang Zhao, Xing Ji, Wei Shyy +1
In this paper an even higher-order compact GKS up to sixth order of accuracy will be constructed for the shock and acoustic wave computation on unstructured mesh. The compactness i…
A three-dimensional compact high-order gas-kinetic scheme on structured mesh
Xing Ji, Fengxiang Zhao, Wei Shyy +1
In this paper, a third-order compact gas-kinetic scheme is firstly proposed for three-dimensional computation for the compressible Euler and Navier-Stokes solutions. The scheme ach…
An acoustic and shock wave capturing compact high-order gas-kinetic scheme with spectral-like resolution
Fengxiang Zhao, Xing Ji, Wei Shyy +1
In this paper, a compact high-order gas-kinetic scheme (GKS) with spectral resolution will be presented and used in the simulation of acoustic and shock waves. For accurate simulat…
High-order ALE gas-kinetic scheme with unstructured WENO reconstruction
Liang Pan, Fengxiang Zhao, Kun Xu
In this paper, a high-order multi-dimensional gas-kinetic scheme is presented for both inviscid and viscous flows in arbitrary Lagrangian-Eulerian (ALE) formulation. Compared with…
Compact Higher-order Gas-kinetic Schemes with Spectral-like Resolution for Compressible Flow Simulations
Fengxiang Zhao, Xing Ji, Wei Shyy +1
In this paper, a class of compact higher-order gas-kinetic schemes (GKS) with spectral resolution will be presented. Based on the high-order gas evolution model in GKS, both the in…
A HWENO Reconstruction Based High-order Compact Gas-kinetic Scheme on Unstructured Meshes
Xing Ji, Fengxiang Zhao, Wei Shyy +1
As an extension of previous fourth-order compact gas kinetic scheme (GKS) on structured meshes (Ji et al. 2018), this work is about the development of a third-order compact GKS on…
Weighted essentially non-oscillatory scheme on unstructured quadrilateral and triangular meshes for hyperbolic conservation laws
Fengxiang Zhao, Liang Pan, Shuanghu Wang
In this paper, a third-order weighted essentially non-oscillatory (WENO) scheme is developed for hyperbolic conservation laws on unstructured quadrilateral and triangular meshes. A…
A Family of High-order Gas-kinetic Schemes and Its Comparison with Riemann Solver Based High-order Methods
Xing Ji, Fengxiang Zhao, Wei Shyy +1
Most high order computational fluid dynamics (CFD) methods for compressible flows are based on Riemann solver for the flux evaluation and Runge-Kutta (RK) time stepping technique f…