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Verification of an ADER-DG method for complex dynamic rupture problems

Pelties, C. and Gabriel, A.-A. and Ampuero, J.-P. (2014) Verification of an ADER-DG method for complex dynamic rupture problems. Geoscientific Model Development, 7 (3). pp. 847-866. ISSN 1991-959X. doi:10.5194/gmd-7-847-2014.

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We present results of thorough benchmarking of an arbitrary high-order derivative discontinuous Galerkin (ADER-DG) method on unstructured meshes for advanced earthquake dynamic rupture problems. We verify the method by comparison to well-established numerical methods in a series of verification exercises, including dipping and branching fault geometries, heterogeneous initial conditions, bimaterial interfaces and several rate-and-state friction laws. We show that the combination of meshing flexibility and high-order accuracy of the ADER-DG method makes it a competitive tool to study earthquake dynamics in geometrically complicated setups.

Item Type:Article
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URLURL TypeDescription DOIArticle
Gabriel, A.-A.0000-0003-0112-8412
Ampuero, J.-P.0000-0002-4827-7987
Additional Information:© 2014 Author(s). This work is distributed under the Creative Commons Attribution 3.0 License. Published by Copernicus Publications on behalf of the European Geosciences Union. Received: 8 November 2013 – Published in Geosci. Model Dev. Discuss.: 28 November 2013 Revised: 14 March 2014 – Accepted: 18 March 2014 – Published: 13 May 2014. We thank the Southern California Earthquake Center, especially Ruth Harris and Michael Barall, for hosting the Spontaneous Rupture Code Verification Project, Yoshihiro Kaneko for helpful discussions on the implementation of rate-and-state friction and Amaryllis Nerger for her preparatory work on the 2-D version of the branching fault benchmark. Christian Pelties was funded through the Emmy Noether Programme (KA 2281/2-1) of the Deutsche Forschungsgemeinschaft and by the Volkswagen Stiftung (ASCETE project). Alice-Agnes Gabriel was funded by the Deutsche Forschungsgemeinschaft (KA 4-1) and Jean-Paul Ampuero by the US NSF (CAREER award EAR-1151926) and SCEC (based on NSF Cooperative Agreement EAR-0529922 and USGS Cooperative Agreement 07HQAC0026). BaCaTeC supported research visits for Jean-Paul Ampuero and Christian Pelties at LMU and Caltech, respectively. The computations were performed on SuperMUC at LRZ, Garching, Germany, and Shaheen at KAUST, Saudi Arabia. Edited by: L. Gross
Group:Seismological Laboratory
Funding AgencyGrant Number
Deutsche Forschungsgemeinschaft (DFG)KA 2281/2-1
Deutsche Forschungsgemeinschaft (DFG)KA 4-1
Volkswagen StiftungUNSPECIFIED
Southern California Earthquake Center (SCEC)UNSPECIFIED
Issue or Number:3
Record Number:CaltechAUTHORS:20141009-131836469
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Official Citation:Pelties, C., Gabriel, A.-A., and Ampuero, J.-P.: Verification of an ADER-DG method for complex dynamic rupture problems, Geosci. Model Dev., 7, 847-866, doi:10.5194/gmd-7-847-2014, 2014
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:50313
Deposited By: Tony Diaz
Deposited On:09 Oct 2014 20:51
Last Modified:10 Nov 2021 18:54

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