Large Scale Three-Dimensional Boundary Element Simulation of Subduction

Authors:
Gabriele Morra;Philippe Chatelain;Paul Tackley;Petros Koumoutsakos
Affiliations:
Geophysical Fluid Dynamics, ETH Zurich, Einsteinstr. 1, Zurich CH-80XX, Switzerland;Computational Science and Engineering Laboratory, ETH Zurich, Universitaetstr. 6, Zurich CH-8092, Switzerland;Geophysical Fluid Dynamics, ETH Zurich, Einsteinstr. 1, Zurich CH-80XX, Switzerland;Computational Science and Engineering Laboratory, ETH Zurich, Universitaetstr. 6, Zurich CH-8092, Switzerland
Venue:
ICCS '07 Proceedings of the 7th international conference on Computational Science, Part III: ICCS 2007
Year:
2007

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Abstract

We present a novel approach for modeling subduction using a Multipole-accelerated Boundary Element Method (BEM). The present approach allows large-scale modeling with a reduced number of elements and scales linearly with the problem size. For the first time the BEM has been applied to a subduction model in a spherical planet with an upper-lower mantle discontinuity, in conjunction with a free-surface mesh algorithm.