76 citations · 236 across the 20 of their papers we have counts for
20 papers
UGKWP method for polydisperse gas-solid particle multiphase flow
Xiaojian Yang, Wei Shyy, Kun Xu
In this paper, a unified algorithm will be proposed for the study of gas-solid particle multiphase flow. The gas-kinetic scheme (GKS) is used to simulate the continuum gas phase an…
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…
Streamwise inclination angle of wall-attached eddies in turbulent channel flows
Cheng Cheng, Wei Shyy, Lin Fu
We develop a new methodology to assess the streamwise inclination angles (SIAs) of the wall-attached eddies populating the logarithmic region with a given wall-normal height. To re…
UGKWP for three-dimensional simulation of gas-particle fluidized bed
Xiaojian Yang, Yufeng Wei, Wei Shyy +1
The gas-solid particle two-phase flow in a fluidized bed shows complex physics. Following our previous work, the multi-scale framework based on gas-kinetic scheme (GKS) and unified…
Unified gas-kinetic wave-particle method for gas-particle two phase flow from dilute to dense solid-particle limit
Xiaojian Yang, Wei Shyy, Kun Xu
In this paper, a unified framework for particulate two-phase flow will be presented with a wide range of solid-particle concentration from dilute to dense limit. The two phase flow…
A p-multigrid compact gas-kinetic scheme for steady-state acceleration
Xing Ji, Wei Shyy, Kun Xu
In this paper, the high-order compact gas-kinetic scheme (CGKS) on three-dimensional hybrid unstructured mesh is further developed with the p-multigrid technique for steady-state s…
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…
A gradient-compression-based compact high-order gas-kinetic scheme on three-dimensional hybrid unstructured mesh
Xing Ji, Wei Shyy, Kun Xu
In this paper, the compact gas-kinetic scheme for compressible flow is extended to hybrid unstructured mesh. Based on both cell-averaged flow variables and their gradients updated…
Unified gas-kinetic wave-particle methods VI: Disperse dilute gas-particle multiphase flow
Xiaojian Yang, Chang Liu, Xing Ji +2
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 regi…
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…
Comparison of the performance of high-order schemes based on the gas-kinetic and HLLC fluxes
Xiaojian Yang, Xing Ji, Wei Shyy +1
In this paper, a comparison of the performance of two high-order finite volume methods based on the gas-kinetic scheme (GKS) and HLLC fluxes is carried out in structured rectangula…
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…
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…
A Compact Fourth-order Gas-kinetic Scheme for the Euler and Navier-Stokes Solutions
Xing Ji, Liang Pan, Wei Shyy +1
In this paper, a fourth-order compact gas-kinetic scheme (GKS) is developed for the compressible Euler and Navier-Stokes equations under the framework of two-stage fourth-order tem…
Fifth order finite volume WENO in general orthogonally-curvilinear coordinates
Mohammad Afzal Shadab, Dinshaw Balsara, Wei Shyy +1
High order reconstruction in the finite volume (FV) approach is achieved by a more fundamental form of the fifth order WENO reconstruction in the framework of orthogonally-curvilin…
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…
Dragonflies Utilize Flapping Wings Phasing and Spanwise Characteristics to Achieve Aerodynamic Performance
Csaba Hefler, Huihe Qiu, Wei Shyy
While dragonflies are highly agile flyers, some key aerodynamic mechanisms responsible for their flight performance remain inadequately understood. Based on forward flight conditio…