Third-order numerical scheme for Euler equations of gas dynamics using Jordan canonical based splitting flux

BS Wang, NK Garg - Computers & Fluids, 2024 - Elsevier
We propose third-order A-WENO finite difference schemes that are based on the recently
introduced first-order numerical schemes in [NK Garg et al., Journal of Computational …

Scale-invariant multi-resolution alternative WENO scheme for the Euler equations

P Li, T Li, WS Don, BS Wang - Journal of Scientific Computing, 2023 - Springer
The finite difference multi-resolution alternative weighted essentially non-oscillatory (MR-
AWENO) scheme has been designed to solve hyperbolic conservation laws (Wang et al. in …

[PDF][PDF] High order bound-and positivity-preserving finite difference affine-invariant AWENO scheme for the five-equation model of two-medium flows

Z Gao, S Guo, BS Wang, Y Gu - Commun. Comput. Phys., 2024 - global-sci.com
Numerical study on compressible two-medium flows has been a hot issue in recent
decades. In this study, we design quasi-conservative finite difference alternative weighted …

Fifth order AWENO finite difference scheme with adaptive numerical diffusion for Euler equations

Y Wang, WS Don, BS Wang - Computers & Fluids, 2023 - Elsevier
In solving hyperbolic conservation laws using the fifth-order characteristic-wise alternative
WENO finite-difference scheme (AWENO) with Z-type affine-invariant nonlinear Ai-weights …

Fifth-order well-balanced positivity-preserving finite difference AWENO scheme with hydrostatic reconstruction for hyperbolic chemotaxis models

BS Wang, WS Don, P Li - Applied Numerical Mathematics, 2023 - Elsevier
We propose a fifth-order well-balanced positivity-preserving finite difference alternative
WENO (AWENO) scheme with the affine-invariant WENO interpolation based on the Z-type …

Sixth-order perturbed WENO interpolation-based AWENO and WCNS-E schemes for hyperbolic conservation laws

Z Gao, YR Zhao, BS Wang - Applied Mathematics Letters, 2024 - Elsevier
The weighted essentially non-oscillatory (WENO) interpolation-based schemes (the
alternative WENO (AWENO) scheme and the explicit weighted compact nonlinear (WCNS …

A Well-Balanced Fifth-Order A-WENO Scheme Based on Flux Globalization

S Chu, A Kurganov, R Xin - arXiv preprint arXiv:2412.19901, 2024 - arxiv.org
We construct a new fifth-order flux globalization based well-balanced (WB) alternative
weighted essentially non-oscillatory (A-WENO) scheme for general nonconservative …

A bound-and positivity-preserving discontinuous Galerkin method for solving the γ-based model

H Wang, H Zhu, Z Gao - Journal of Computational Physics, 2024 - Elsevier
In this work, a bound-and positivity-preserving quasi-conservative discontinuous Galerkin
(DG) method is proposed for the γ-based model of compressible two-medium flows. The …

Improved well-balanced AWENO schemes with hydrostatic reconstruction for the Euler equations under gravitational fields

Q Fu, Z Gao, Y Gu, P Li, BS Wang - Mathematics and Computers in …, 2024 - Elsevier
The Euler equations under gravitational fields allow the hydrostatic equilibrium states, which
requires that the numerical scheme of the system should also have this characteristic. In our …

Affine-Invariant WENO Operator on Nonuniform Cartesian Mesh with Application to Finite Volume and Discontinuous Galerkin Methods

XS Xiang, BS Wang, Z Gao, P Li - Journal of Scientific Computing, 2025 - Springer
For solving hyperbolic conservation laws that arise frequently in computational physics, high
order finite volume WENO (FV-WENO) schemes and discontinuous Galerkin (DG) methods …