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This paper develops a new fifth order accurate Hermite WENO (HWENO) reconstruction method for hyperbolic conservation schemes in the framework of the two-stage fourth order accurate temporal discretization in [{\em J. Li and Z. Du, A…

Numerical Analysis · Mathematics 2018-01-17 Zhifang Du , Jiequan Li

We present a new approach to stabilizing high-order Runge-Kutta discontinuous Galerkin (RKDG) schemes using weighted essentially non-oscillatory (WENO) reconstructions in the context of hyperbolic conservation laws. In contrast to RKDG…

Numerical Analysis · Mathematics 2024-04-30 Joshua Vedral

In this article, we propose a modified convex combination of the polynomial reconstructions of odd-order WENO schemes to maintain the central substencil prevalence over the lateral ones in all parts of the solution. New "centered" versions…

Numerical Analysis · Mathematics 2023-11-17 Daniel Barreto , Rafael B. de R. Borges , Bruno Costa , Silvaneo dos Santos

A novel method for constructing robust and high-order accurate weighted essentially non-oscillatory (WENO) scheme is proposed in this paper. The method is mainly based on the WENO-Z type scheme, in which, an eighth-order global smoothness…

Numerical Analysis · Mathematics 2020-04-20 Yiqing Shen , Ke Zhang , Shiyao Li , Jun Peng

In this paper, a high-order moment-based multi-resolution Hermite weighted essentially non-oscillatory (HWENO) scheme is designed for hyperbolic conservation laws. The main idea of this scheme is derived from our previous work [J. Comput.…

Numerical Analysis · Mathematics 2022-09-07 Jiayin Li , Chi-Wang Shu , Jianxian Qiu

In this paper, we develop a high order residual distribution (RD) method for solving steady state conservation laws in a novel Hermite weighted essentially non-oscillatory (HWENO) framework recently developed in [24]. In particular, we…

Numerical Analysis · Mathematics 2022-03-14 Jianfang Lin , Yupeng Ren , Rémi Abgrall , Jianxian Qiu

The recently proposed high-order TENO scheme [Fu et al., Journal of Computational Physics, 305, pp.333-359] has shown great potential in predicting complex fluids owing to the novel weighting strategy, which ensures the high-order accuracy,…

Numerical Analysis · Mathematics 2022-05-23 Zhe Ji , Tian Liang , Lin Fu

We introduce stabilized spline collocation schemes for the numerical solution of nonlinear, hyperbolic conservation laws. A nonlinear, residual-based viscosity stabilization is combined with a projection stabilization-inspired linear…

Numerical Analysis · Mathematics 2023-07-18 Ryan M. Aronson , John A. Evans

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 May , Dongwook Lee

Fixed-point iterative sweeping methods were developed in the literature to efficiently solve steady state solutions of Hamilton-Jacobi equations and hyperbolic conservation laws. Similar as other fast sweeping schemes, the key components of…

Numerical Analysis · Mathematics 2021-07-28 Liang Li , Jun Zhu , Yong-Tao Zhang

The advantage of WENO-JS5 scheme [ J. Comput. Phys. 1996] over the WENO-LOC scheme [J. Comput. Phys.1994] is that the WENO-LOC nonlinear weights do not achieve the desired order of convergence in smooth monotone regions and at critical…

Numerical Analysis · Mathematics 2023-02-21 Samala Rathan , G. Naga Raju , Ashlesha A. Bhise

We are interested in a class of numerical schemes for the optimization of nonlinear hyperbolic partial differential equations. We present continuous and discretized relaxation schemes for scalar, one-- conservation laws. We present…

Optimization and Control · Mathematics 2012-07-17 M. Herty , L. Pareschi , S. Steffensen

We propose a high-order finite difference weighted ENO (WENO) method for the ideal magnetohydrodynamics (MHD) equations. The proposed method is single-stage, single-step, maintains a discrete divergence-free condition on the magnetic field,…

Numerical Analysis · Mathematics 2016-05-04 Andrew J. Christlieb , Xiao Feng , David C. Seal , Qi Tang

Alternative finite difference Weighted Essentially Non-Oscillatory (AFD-WENO) schemes allow us to very efficiently update hyperbolic systems even in complex geometries. Recent innovations in AFD-WENO methods allow us to treat hyperbolic…

Numerical Analysis · Mathematics 2026-02-03 Dinshaw S. Balsara , Deepak Bhoriya , Chi-Wang Shu

In this paper we present a new family of high order accurate Arbitrary-Lagrangian-Eulerian (ALE) one-step ADER-WENO finite volume schemes for the solution of nonlinear systems of conservative and non-conservative hyperbolic partial…

Numerical Analysis · Mathematics 2015-06-18 Walter Boscheri , Michael Dumbser

A set of arbitrarily high-order WENO schemes for reconstructions on nonuniform grids is presented. These non-linear interpolation methods use simple smoothness indicators with a linear cost with respect to the order, making them easy to…

Numerical Analysis · Mathematics 2024-05-16 M. C. Martí , P. Mulet , D. F. Yáñez , D. Zorío

In this work we aim at developing a new class of high order accurate well-balanced finite difference (FD) Weighted Essentially Non-Oscillatory (WENO) methods for numerical general relativity, which can be applied to any first-order…

General Relativity and Quantum Cosmology · Physics 2024-09-23 Dinshaw Balsara , Deepak Bhoriya , Olindo Zanotti , Michael Dumbser

We present fourth-order conservative non-splitting semi-Lagrangian (SL) Hermite essentially non-oscillatory (HWENO) schemes for linear transport equations with applications for nonlinear problems including the Vlasov-Poisson system, the…

Numerical Analysis · Mathematics 2022-08-09 Nanyi Zheng , Xiaofeng Cai , Jing-Mei Qiu , Jianxian Qiu

The goal of this work is to introduce new families of shock-capturing high-order numerical methods for systems of conservation laws that combine Fast WENO (FWENO) and Optimal WENO (OWENO) reconstructions with Approximate Taylor methods for…

Numerical Analysis · Mathematics 2020-07-06 Hugo Carrillo , Carlos Parés , David Zorío

In this paper, we are concerned with the shallow water flow model over non-flat bottom topography by high-order schemes. Most of the numerical schemes in the literature are developed from the original mathematical model of the shallow water…

Fluid Dynamics · Physics 2019-12-19 Gang Li , Valerio Caleffi , Zhengkun Qi