531 | RWTH Publication No: 843343 2022   |
TITLE | Multiresolution-analysis for stochastic hyperbolic conservation laws |
AUTHORS | Michael Herty, Adrian Kolb, Siegfried Müller |
ABSTRACT | A multiresolution analysis for solving stochastic conservation laws is proposed. Using a novel adaptation strategy and a higher dimensional deterministic problem, a discontinuous Galerkin (DG) solver is derived. A multiresolution analysis of the DG spaces for the proposed adaptation strategy is presented. Numerical results show that in the case of general stochastic distributions the performance of the DG solver is significantly improved by the novel adaptive strategy. The gain in efficiency is validated in computational experiments. |
KEYWORDS | Hyperbolic conservation laws · uncertainty quantification · discontinuous Galerkin methods · multiresolution analysis |
DOI | 10.1093/imanum/drad010 |
PUBLICATION | IMA journal of numerical analysis ImpressumOxford : Oxford Univ. Press ISSN 0272-4979 Published: 20 March 2023 |