| _version_ | 1867007972209590272 |
|---|---|
| author | Jakob Vandergrift Florian Kummer |
| author_facet | Jakob Vandergrift Florian Kummer Jakob Vandergrift Florian Kummer |
| collection | Wiley Open Access |
| contents | An extended discontinuous Galerkin shock tracking method Jakob Vandergrift Florian Kummer International Journal for Numerical Methods in Fluids AbstractIn this paper, we introduce a novel high‐order shock tracking method and provide a proof of concept. Our method leverages concepts from implicit shock tracking and extended discontinuous Galerkin methods, primarily designed for solving partial differential equations featuring discontinuities. To address this challenge, we solve a constrained optimization problem aiming at accurately fitting the zero iso‐contour of a level set function to the discontinuities. Additionally, we discuss various robustness measures inspired by both numerical experiments and existing literature. Finally, we showcase the capabilities of our method through a series of two‐dimensional problems, progressively increasing in complexity. 10.1002/fld.5293 http://creativecommons.org/licenses/by-nc/4.0/ |
| doi_str_mv | 10.1002/fld.5293 |
| format | Artículo Open Access |
| id | wiley_oa_10_1002_fld_5293 |
| institution | Wiley Open Access |
| license_str_mv | http://creativecommons.org/licenses/by-nc/4.0/ |
| publishDate | 2024 |
| publisher | Wiley |
| record_format | wiley_oa |
| spellingShingle | An extended discontinuous Galerkin shock tracking method Jakob Vandergrift Florian Kummer International Journal for Numerical Methods in Fluids An extended discontinuous Galerkin shock tracking method Jakob Vandergrift Florian Kummer International Journal for Numerical Methods in Fluids AbstractIn this paper, we introduce a novel high‐order shock tracking method and provide a proof of concept. Our method leverages concepts from implicit shock tracking and extended discontinuous Galerkin methods, primarily designed for solving partial differential equations featuring discontinuities. To address this challenge, we solve a constrained optimization problem aiming at accurately fitting the zero iso‐contour of a level set function to the discontinuities. Additionally, we discuss various robustness measures inspired by both numerical experiments and existing literature. Finally, we showcase the capabilities of our method through a series of two‐dimensional problems, progressively increasing in complexity. 10.1002/fld.5293 http://creativecommons.org/licenses/by-nc/4.0/ |
| title | An extended discontinuous Galerkin shock tracking method |
| topic | International Journal for Numerical Methods in Fluids |
| url | https://onlinelibrary.wiley.com/doi/10.1002/fld.5293 |