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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
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Conference papers
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https://hal.inria.fr/hal-01223344
Contributor : Lionel Boillot Connect in order to contact the contributor
Submitted on : Monday, November 2, 2015 - 3:03:15 PM
Last modification on : Wednesday, February 3, 2021 - 3:24:51 AM

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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. pp.535-540, ⟨10.1190/segam2015-5910360.1⟩. ⟨hal-01223344⟩

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