Published March 2019 | Version v1
Journal article

A moving mesh WENO method based on exponential polynomials for one-dimensional conservation laws

  • 1. Department of Computational Mathematics, Science and Engineering, Michigan State University, East Lansing, MI, 48824 (United States)
  • 2. Department of Mathematics and Statistics, Texas Tech University, Lubbock, TX, 70409 (United States)
  • 3. School of Mathematical Sciences, University of Science and Technology of China, Hefei, Anhui, 230026 (China)

Description

In the article [Yang et al. (2012) [37]], the authors have developed a high order moving mesh WENO method for one-dimensional (1D) hyperbolic conservation laws, which is shown to be effective in resolving shocks and other complex solution structures. In this paper, in the light of the similar moving mesh technique, we develop a novel WENO scheme with non-polynomial bases, in particular, the exponential bases to further improve the performance of WENO schemes for solving 1D conservation laws. Furthermore, we modify the original moving mesh technique by developing a new monitor function as well as a different mesh smoothing strategy. A collection of numerical examples is presented to demonstrate high order accuracy and robustness of the method in capturing smooth and non-smooth solutions including the strong δ shock arising from the weakly hyperbolic pressureless Euler equations.

Availability note (English)

Available from http://dx.doi.org/10.1016/j.jcp.2018.12.011

Additional details

Identifiers

DOI
10.1016/j.jcp.2018.12.011;
PII
S0021999118308076;

Publishing Information

Journal Title
Journal of Computational Physics (Print)
Journal Volume
380
Journal Page Range
p. 334-354
ISSN
0021-9991
CODEN
JCTPAH

INIS

Country of Publication
Netherlands
Country of Input or Organization
International Atomic Energy Agency (IAEA)
INIS RN
54126929
Subject category
S97: MATHEMATICAL METHODS AND COMPUTING;
Descriptors DEI
CONSERVATION LAWS; MONITORS; ONE-DIMENSIONAL CALCULATIONS; PERFORMANCE; POLYNOMIALS
Descriptors DEC
FUNCTIONS; MEASURING INSTRUMENTS

Optional Information

Copyright
Copyright (c) 2018 Elsevier Inc. All rights reserved.