sponsored byIEEEACMThe International Conference for High Performance 
Computing, Networking, Storage and Analysis
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SCHEDULE: NOV 16-21, 2014

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Optimizing CAD and Mesh Generation Workflow for SeisSol

SESSION: Poster Reception

EVENT TYPE: Posters

TIME: 5:15PM - 7:00PM

AUTHOR(S):Sebastian Rettenberger, Cameron Smith, Christian Pelties

ROOM:New Orleans Theater Lobby

ABSTRACT:

For accurate modeling of realistic earthquake scenarios it is very important to capture small-scale geometric features. In this poster, we optimized the whole pipeline from the different CAD sources (e.g. topography, fault structure) to a fully adaptive, unstructured tetrahedral mesh that can be used in SeisSol for simulating detailed rupture processes and seismic wave propagations at petascale performance.
We present an automatized CAD model generation which can easily take weeks or even month when done manually. From the CAD model a parallel meshing software - in the former workflow only serial mesh generators were able to write appropriate mesh files - generates an unstructured mesh with billions of tetrahedrons that preserves the details of the model. Due to our new mesh format, we are now able to initialize meshes at this size within seconds in SeisSol.

Chair/Author Details:

Sebastian Rettenberger - Technical University Munich

Cameron Smith - Rensselaer Polytechnic Institute

Christian Pelties - Ludwig Maximilian University of Munich

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