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A Virtual Test Facility for the Simulation of Dynamic Response in Materials

Cummings, Julian and Aivazis, Michael and Samtaney, Ravi and Radovitzky, Raul and Mauch, Sean and Meiron, Dan (2002) A Virtual Test Facility for the Simulation of Dynamic Response in Materials. Journal of Supercomputing, 23 (1). pp. 39-50. ISSN 0920-8542.

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The Center for Simulating Dynamic Response of Materials at the California Institute of Technology is constructing a virtual shock physics facility for studying the response of various target materials to very strong shocks. The Virtual Test Facility (VTF) is an end-to-end, fully three-dimensional simulation of the detonation of high explosives (HE), shock wave propagation, solid material response to pressure loading, and compressible turbulence. The VTF largely consists of a parallel fluid solver and a parallel solid mechanics package that are coupled together by the exchange of boundary data. The Eulerian fluid code and Lagrangian solid mechanics model interact via a novel approach based on level sets. The two main computational packages are integrated through the use of Pyre, a problem solving environment written in the Python scripting language. Pyre allows application developers to interchange various computational models and solver packages without recompiling code, and it provides standardized access to several data visualization engines and data input mechanisms. In this paper, we outline the main components of the VTF, discuss their integration via Pyre, and describe some recent accomplishments in large-scale simulation using the VTF.

Item Type:Article
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URLURL TypeDescription ReadCube access
Samtaney, Ravi0000-0002-4702-6473
Meiron, Dan0000-0003-0397-3775
Additional Information:© 2002 Kluwer Academic Publishers.
Subject Keywords:parallel computing, shock physics simulation
Issue or Number:1
Record Number:CaltechAUTHORS:20191008-073946675
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Official Citation:Cummings, J., Aivazis, M., Samtaney, R. et al. The Journal of Supercomputing (2002) 23: 39.
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:99132
Deposited By: Tony Diaz
Deposited On:08 Oct 2019 18:11
Last Modified:08 Oct 2019 18:11

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