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Performance Analysis of a High-Order Discontinuous Galerkin Method Application to the Reverse Time Migration

Published online by Cambridge University Press:  20 August 2015

Caroline Baldassari ,
Hélène Barucq ,
Henri Calandra ,
Bertrand Denel  and
Julien Diaz
Caroline Baldassari*
Affiliation:
INRIA Bordeaux Research Center, Project Team Magique3D, Avenue de l’université, 64013 Pau Cedex, France LMA, CNRS UMR 5142, Université de Pau, Avenue de l’université, 64013 Pau Cedex, France
Hélène Barucq*
Affiliation:
INRIA Bordeaux Research Center, Project Team Magique3D, Avenue de l’université, 64013 Pau Cedex, France LMA, CNRS UMR 5142, Université de Pau, Avenue de l’université, 64013 Pau Cedex, France
Henri Calandra*
Affiliation:
TOTAL, Avenue Larribau, 64000 Pau, France
Bertrand Denel*
Affiliation:
TOTAL, Avenue Larribau, 64000 Pau, France
Julien Diaz*
Affiliation:
INRIA Bordeaux Research Center, Project Team Magique3D, Avenue de l’université, 64013 Pau Cedex, France LMA, CNRS UMR 5142, Université de Pau, Avenue de l’université, 64013 Pau Cedex, France
*
Corresponding author.Email:caroline.baldassari@inria.fr
Email address:helene.barucq@inria.fr
Email address:henri.calandra@total.com
Email address:bertrand.denel@total.com
Email address:julien.diaz@inria.fr
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Abstract

This work pertains to numerical aspects of a finite element method based discontinuous functions. Our study focuses on the Interior Penalty Discontinuous Galerkin method (IPDGM) because of its high-level of flexibility for solving the full wave equation in heterogeneous media. We assess the performance of IPDGM through a comparison study with a spectral element method (SEM). We show that IPDGM is as accurate as SEM. In addition, we illustrate the efficiency of IPDGM when employed in a seismic imaging process by considering two-dimensional problems involving the Reverse Time Migration.

Keywords

65M1265M6035L05Interior penalty discontinuous Galerkin methodspectral element methodreverse time migrationseismic imaging process
Type
Research Article
Information
Communications in Computational Physics , Volume 11 , Issue 2 , February 2012 , pp. 660 - 673
Copyright
Copyright © Global Science Press Limited 2012

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