Fifth-order A-WENO schemes based on the path-conservative central-upwind method

S Chu, A Kurganov, M Na - Journal of Computational Physics, 2022 - Elsevier
We develop fifth-order A-WENO finite-difference schemes based on the path-conservative
central-upwind method for nonconservative one-and two-dimensional hyperbolic systems of …

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 …

Local characteristic decomposition based central-upwind scheme

A Chertock, S Chu, M Herty, A Kurganov… - Journal of …, 2023 - Elsevier
We propose novel less diffusive schemes for conservative one-and two-dimensional
hyperbolic systems of nonlinear partial differential equations (PDEs). The main challenges …

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 …

Symmetry-preserving enforcement of low-dissipation method based on boundary variation diminishing principle

H Wakimura, S Takagi, F Xiao - Computers & Fluids, 2022 - Elsevier
A class of high-order shock-capturing schemes, P n T m-BVD (Deng et al., 2019; Deng et al.,
2020) schemes, have been devised to solve the Euler equations with substantially reduced …

Fifth-order A-WENO schemes based on the adaptive diffusion central-upwind Rankine-Hugoniot fluxes

BS Wang, WS Don, A Kurganov, Y Liu - Communications on Applied …, 2023 - Springer
We construct new fifth-order alternative WENO (A-WENO) schemes for the Euler equations
of gas dynamics. The new scheme is based on a new adaptive diffusion central-upwind …

A Quasi-Conservative Alternative WENO Finite Difference Scheme for Solving Compressible Multicomponent Flows

Y Yang, H Shen, Z He - Journal of Scientific Computing, 2024 - Springer
We construct a quasi-conservative alternative WENO finite difference scheme respectively
coupled with the global Lax-Friedrichs (AWENO-GLF) and the contact restored Harten-Lax …

Experimental convergence rate study for three shock‐capturing schemes and development of highly accurate combined schemes

S Chu, OA Kovyrkina, A Kurganov… - … Methods for Partial …, 2023 - Wiley Online Library
We study experimental convergence rates of three shock‐capturing schemes for hyperbolic
systems of conservation laws: the second‐order central‐upwind (CU) scheme, the third …