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The reverse time migration technique coupled with finite element methods

Caroline Baldassari 1, 2, * Hélène Barucq 1, 2 Henri Calandra 3 Bertrand Denel 3 Julien Diaz 1, 2
* Corresponding author
1 Magique 3D - Advanced 3D Numerical Modeling in Geophysics
LMAP - Laboratoire de Mathématiques et de leurs Applications [Pau], Inria Bordeaux - Sud-Ouest
2 LMAP - Laboratoire de Mathématiques et de leurs Applications [Pau]
3 CSTJF - TOTAL-Scientific and Technical Center Jean Féger
Abstract : The Reverse Time Migration (RTM) is a technique for imaging the subsurface based on successive solutions of the full wave equation which must be computed by fast numerical methods to perform well in three-dimensional domains. In this framework, we propose to solve the full wave equation by the Interior Penalty Discontinuous Galerkin method (IPDG). We analyse the performances of IPDG by comparing it to classical spectral element method and we show that IPDG is more adapted to the RTM. We present 2D migration results to illustrate the ability of the new method to recover the location of the interfaces of stratified media.
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Conference papers
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https://hal.inria.fr/inria-00343542
Contributor : Julien Diaz <>
Submitted on : Monday, December 1, 2008 - 10:57:33 PM
Last modification on : Thursday, March 5, 2020 - 7:19:06 PM

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  • HAL Id : inria-00343542, version 1

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Caroline Baldassari, Hélène Barucq, Henri Calandra, Bertrand Denel, Julien Diaz. The reverse time migration technique coupled with finite element methods. 5èmes journées du GDR Etude de la propagation ultrasononore en vue du contrôle non-destructif, Jun 2008, Anglet, France. ⟨inria-00343542⟩

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