Casarotti, Emanuele and Stupazzini, Marco and Lee, Shiann and Komatitsch, Dimitri and Piersanti, Antonio and Tromp, Jeroen (2008) CUBIT and Seismic Wave Propagation Based Upon the Spectral-Element Method: An Advanced Unstructured Mesher for Complex 3D Geological Media. In: Proceedings of the 16th International Meshing Roundtable. Springer , New York, NY , pp. 579-597. https://resolver.caltech.edu/CaltechAUTHORS:20100813-105222318
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Abstract
Unstructured hexahedral mesh generation is a critical part of the modeling process in the Spectral-Element Method (SEM). We present some examples of seismic wave propagation in complex geological models, automatically meshed on a parallel machine based upon CUBIT (Sandia Laboratory), an advanced 3D unstructured hexahedral mesh generator that offers new opportunities for seismologist to design, assess, and improve the quality of a mesh in terms of both geometrical and numerical accuracy. The main goal is to provide useful tools for understanding seismic phenomena due to surface topography and subsurface structures such as low wave-speed sedimentary basins. Our examples cover several typical geophysical problems: 1) “layer-cake” volumes with high-resolution topography and complex solid-solid interfaces (such as the Campi Flegrei Caldera Area in Italy), and 2) models with an embedded sedimentary basin (such as the Taipei basin in Taiwan or the Grenoble Valley in France).
| Item Type: | Book Section | |||||||||
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| Additional Information: | © 2008 Springer. Emanuele Casarotti is supported by Project SP3D, Marie Curie Fellowship UE/INGV n. MOIF-CT-2005-008298. Marco Stupazzini is supported by SPICE, MRTN-CT-2003-504267. The numerical simulations for this research were performed on Caltechs Division of Geological & Planetary Sciences Dell cluster. | |||||||||
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| DOI: | 10.1007/978-3-540-75103-8_32 | |||||||||
| Record Number: | CaltechAUTHORS:20100813-105222318 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20100813-105222318 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 19428 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 13 Aug 2010 18:07 | |||||||||
| Last Modified: | 08 Nov 2021 23:52 |
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