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Related papers: Symmetry-preserving WENO limiters

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We develop a high-order kinetic scheme for entropy-based moment models of a one-dimensional linear kinetic equation in slab geometry. High-order spatial reconstructions are achieved using the weighted essentially non-oscillatory (WENO)…

Numerical Analysis · Mathematics 2019-08-27 Florian Schneider , Graham Alldredge , Jochen Kall

We develop a simple, high-order, conservative and robust positivity-preserving sweeping procedure for the density and the nonlinear pressure function in the compressible Euler equations. Using the scaling limiter in Zhang and Shu (2010), we…

Numerical Analysis · Mathematics 2025-11-03 D. Chloe Griffin , Chi-Wang Shu

Central WENO schemes are a natural candidate for higher-order schemes for non-local conservation laws, since the underlying reconstructions do not only provide single point values of the solution but a complete (high-order) reconstruction…

Numerical Analysis · Mathematics 2019-04-09 Jan Friedrich , Oliver Kolb

This paper presents a fully multidimensional kernel-based reconstruction scheme for finite volume methods applied to systems of hyperbolic conservation laws, with a particular emphasis on the compressible Euler equations. Non-oscillatory…

Numerical Analysis · Mathematics 2024-01-31 Ian C. T. May , Dongwook Lee

In this paper, we introduce a high-order accurate constrained transport type finite volume method to solve ideal magnetohydrodynamic equations on two-dimensional triangular meshes. A new divergence-free WENO-based reconstruction method is…

Computational Physics · Physics 2011-10-06 Zhiliang Xu , Dinshaw Balsara

Weighted compact nonlinear schemes (WCNS) [Deng and Zhang, JCP 165(2000): 22-44] were developed to improve the performance of the compact high-order nonlinear schemes (CNS) by utilizing the weighting technique originally designed for WENO…

Computational Physics · Physics 2020-11-30 Huaibao Zhang , Fan Zhang , Chunguang Xu

The high-order gas-kinetic scheme(HGKS) with WENO spatial reconstruction method has been extensively validated through many numerical experiments, demonstrating its superior accuracy efficiency, and robustness. Compared with WENO class…

Fluid Dynamics · Physics 2023-09-20 Junlei Mu , Congshan Zhuo , Qingdian Zhang , Sha Liu , Chengwen Zhong

Cases have shown that WENO schemes usually behave robustly on problems containing shocks with high pressure ratios when uniformed or smooth grids are present, while nonlinear schemes based on WENO interpolations might relatively be liable…

Computational Physics · Physics 2019-03-26 Qin Li , Dong Sun

The weighted essentially non-oscillatory (WENO) schemes are a popular class of high order accurate numerical methods for solving hyperbolic partial differential equations (PDEs). The computational cost of such schemes increases…

Numerical Analysis · Mathematics 2018-04-04 Dong Lu , Shanqin Chen , Yong-Tao Zhang

In this article we present a new class of high order accurate Arbitrary-Eulerian-Lagrangian (ALE) one-step WENO finite volume schemes for solving nonlinear hyperbolic systems of conservation laws on moving two dimensional unstructured…

Numerical Analysis · Mathematics 2016-08-24 Walter Boscheri , Michael Dumbser

We introduce a Lagrangian nodal discontinuous Galerkin (DG) cell-centered hydrodynamics method for solving multi-dimensional hyperbolic systems. By incorporating an adaptation of Zalesak's flux-corrected transport algorithm, we combine a…

Numerical Analysis · Mathematics 2025-10-30 Joshua Vedral , Nathaniel Morgan , Dmitri Kuzmin , Jacob Moore

In this paper we present a novel arbitrary high order accurate discontinuous Galerkin (DG) finite element method on space-time adaptive Cartesian meshes (AMR) for hyperbolic conservation laws in multiple space dimensions, using a high order…

Numerical Analysis · Mathematics 2015-09-03 Olindo Zanotti , Francesco Fambri , Michael Dumbser , Arturo Hidalgo

Higher order finite difference Weighted Essentially Non-Oscillatory (WENO) schemes for conservation laws are extremely popular because, for multidimensional problems, they offer high order accuracy at a fraction of the cost of finite volume…

Numerical Analysis · Mathematics 2024-03-05 Dinshaw S. Balsara , Deepak Bhoriya , Chi-Wang Shu , Harish Kumar

We have proposed a new High Resolution Shock Capturing (HRSC) scheme for Special Relativistic Hydrodynamics (SRHD) based on the semidiscrete central Godunov-type schemes and a modified Weighted Essentially Non-oscillatory (WENO) data…

Astrophysics · Physics 2007-05-23 Tanvir Rahman , R. B. Moore

Entropy conditions play a crucial role in the extraction of a physically relevant solution for systems of conservation laws, thus motivating the construction of entropy stable schemes that satisfy a discrete analogue of such conditions.…

Numerical Analysis · Mathematics 2025-06-04 Philip Charles , Deep Ray

In this paper we propose new Z-type nonlinear weights of the fifth-order weighted essentially non-oscillatory (WENO) finite difference scheme for hyperbolic conservation laws. Instead of employing the classical smoothness indicators for the…

Numerical Analysis · Mathematics 2022-08-09 Jiaxi Gu , Xinjuan Chen , Jae-Hun Jung

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-curvilinear coordinates, for solving the hyperbolic conservation…

Computational Physics · Physics 2021-12-28 Mohammad Afzal Shadab , Dinshaw Balsara , Wei Shyy , Kun Xu

The weighted essentially non-oscillatory (WENO) schemes are widely used for hyperbolic conservation laws due to the ability to resolve discontinuities and maintain high-order accuracy in smooth regions at the same time. For hyperbolic…

Numerical Analysis · Mathematics 2025-10-09 Yue Wu , Chi-Wang Shu

We show that the algorithm based on the weighted essentially nonoscillatory (WENO) scheme with anti-diffusive flux corrections can be used as a solver of the radiative transfer equations. This algorithm is highly stable and robust for…

Astrophysics · Physics 2009-11-11 Jing-Mei Qiu , Chi-Wang Shu , Long-Long Feng , Li-Zhi Fang

We present a well-balanced nodal discontinuous Galerkin (DG) scheme for compressible Euler equations with gravity. The DG scheme makes use of discontinuous Lagrange basis functions supported at Gauss-Lobatto-Legendre (GLL) nodes together…

Computational Physics · Physics 2016-12-13 Praveen Chandrashekar , Markus Zenk