Absorbing Boundary Conditions for 3D elastic TTI modeling

Lionel Boillot 1, 2 Hélène Barucq 2, 1 Julien Diaz 2, 1 Henri Calandra 3
1 LMAP - Laboratoire de Mathématiques et de leurs Applications [Pau]
2 Magique 3D - Advanced 3D Numerical Modeling in Geophysics
LMAP - Laboratoire de Mathématiques et de leurs Applications [Pau], Inria Bordeaux - Sud-Ouest
3 CSTJF - TOTAL-Scientific and Technical Center Jean Féger
Abstract : In this paper, we propose stable low-order Absorbing Boundary Conditions (ABC) for elastic TTI modeling. Their derivation is justified in elliptic TTI media but it turns out that they are directly usable to non-elliptic TTI configurations. Numerical experiments are performed by using a new elastic tensor source formula which generates P-waves only in an elliptic TTI medium. Numerical results have been performed in 3D to illustrate the performance of the ABCs.
Keywords : TTI Tilted Transverse Isotropy anisotropy ABC Absorbing Boundary Conditions
Type de document :
Communication dans un congrès
SEG - Society of Exploration Geophysicists, Oct 2015, Nouvelle-Orléans, United States. SEG Technical Program Expanded Abstracts (ISSN : 1052-3812), pp.535-540, 2015, SEG Technical Program Expanded Abstracts 2015. 〈http://library.seg.org〉. 〈10.1190/segam2015-5910360.1〉
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https://hal.inria.fr/hal-01223344
Contributeur : Lionel Boillot <>
Soumis le : lundi 2 novembre 2015 - 15:03:15
Dernière modification le : jeudi 11 janvier 2018 - 06:22:32

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Lionel Boillot, Hélène Barucq, Julien Diaz, Henri Calandra. Absorbing Boundary Conditions for 3D elastic TTI modeling. SEG - Society of Exploration Geophysicists, Oct 2015, Nouvelle-Orléans, United States. SEG Technical Program Expanded Abstracts (ISSN : 1052-3812), pp.535-540, 2015, SEG Technical Program Expanded Abstracts 2015. 〈http://library.seg.org〉. 〈10.1190/segam2015-5910360.1〉. 〈hal-01223344〉

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