Zobrazeno 1 - 10 of 85 pro vyhledávání: '"ONDE SISMIQUE"'
1
Seismic and ultrasonic surface wave differential imaging for monitoring anthropogenic structures and the surrounding subsurface
Autor: Wang, Ao
Publikováno v: Geophysics [physics.geo-ph]. Université de Nantes, 2020. English
161 p
The first meters of the underground media, the Critical Zone, involve many human activities. It is also the site of disturbances due to climate change through variations in the level of the water table, hydric and mechanical modifications that increa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::01973486ced6460d6885789b98194222
https://hal.archives-ouvertes.fr/tel-03080535/file/doc00032204.pdf
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2
Imagerie différentielle en ondes de surface sismiques et ultrasonores pour le monitoring de structures anthropiques et du proche sous-sol environnant
Autor: Wang, Ao
Publikováno v: Geophysics [physics.geo-ph]. Université de Nantes, 2020. English
The first meters of the underground media, the Critical Zone, involve many human activities. It is also the site of disturbances due to climate change through variations in the level of the water table, hydric and mechanical modifications that increa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::18ee3fea4ac53722b941d1edba48f5a6
https://hal.archives-ouvertes.fr/tel-03080535/file/doc00032204.pdf
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3
Nonlinear coda wave interferometry for the global evaluation of damage levels in complex solids
Autor: Alain Le Duff, Stéphane Letourneur, Vincent Tournat, Odile Abraham, Yuxiang Zhang, Olivier Durand, Bertrand Lascoup
Publikováno v: Ultrasonics
Ultrasonics, Elsevier, 2017, 73, pp.245-252. ⟨10.1016/j.ultras.2016.09.015⟩
Ultrasonics, Elsevier, 2017, 73, pp.245-252. 〈10.1016/j.ultras.2016.09.015〉
A nonlinear acoustic method to assess the damage level of a complex medium is discussed herein. Thanks to the highly nonlinear elastic signatures of cracks or, more generally, internal solid contacts, this method is able to distinguish between contri
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3adc4140077fde4b316aa56a0ae50a55
https://doi.org/10.1016/j.ultras.2016.09.015
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4
Dissertation/ Thesis
Correction et simplification de modèles géologiques par frontières : impact sur le maillage et la simulation numérique en sismologie et hydrodynamique
Autor: Anquez, Pierre
Les modèles géologiques numériques 2D et 3D permettent de comprendre l'organisation spatiale des roches du sous-sol. Ils sont également conçus pour réaliser des simulations numériques afin d’étudier ou de prédire le comportement physique d
Externí odkaz: http://www.theses.fr/2019LORR0069/document
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5
Extended Iwan-Iai (3DXii) constitutive model for 1-directional 3-component seismic waves in liquefiable soils: application to the Kushiro site (Japan)
Autor: Viet Ahn Pham, Maria Paola Santisi d'Avila, Luca Lenti, Jean-François Semblat
Publikováno v: Geophysical Journal International
Geophysical Journal International, Oxford University Press (OUP), 2018, 215 (1), 15 p. ⟨10.1093/gji/ggy266⟩
The influence of pore water pressure has to be taken into account when the propagation of seismic waves in saturated soils is simulated, because it controls the strength decrease during the dynamic process and can induce phenomena such as cyclic mobi
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e506538e882f5a84c4fcf9a66b6d2469
https://hal.archives-ouvertes.fr/hal-01855278
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6
Estimation of SiteSpecific Kappa (º0)Consistent Damping Values at KiKNet Sites to Assess the Discrepancy between LaboratoryBased Damping Models and Observed Attenuation (of Seismic Waves) in the Field
Autor: Adrian Rodriguez-Marek, Luis Fabian Bonilla, Ashly Cabas
Publikováno v: Bulletin of the Seismological Society of America
Bulletin of the Seismological Society of America, Seismological Society of America, 2017, 107 (5), pp. 2258-2271. ⟨10.1785/0120160370⟩
In this article, we compare field estimates of near-surface attenuation, as captured by site-specific o-values (i.e., o0) with laboratory-based estimates of minimum shear-strain damping (Ÿmin). We propose models for Ÿmin based on o0 measured at sel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a103fd8685bb273ed8aecfdfe7d62471
https://hal.archives-ouvertes.fr/hal-01766260
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7
Influence of the VS Profiles beyond 30 m Depth on Linear Site Effects: Assessment from the KiK-net Data
Autor: Julie Régnier, Luis Fabian Bonilla, Etienne Bertrand, Jean-François Semblat
Publikováno v: Bulletin of the Seismological Society of America
Bulletin of the Seismological Society of America, Seismological Society of America, 2014, 104 (5), pp 2337-2348. ⟨10.1785/0120140018⟩
Site effects may be assessed using a standard soil classification parameter, VS30 (the harmonic average shear-wave velocity in the first 30 m); however, this index does not account for the complexity of the velocity profile, especially its variabilit
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a701170c29d3d36c3c801194e1e13310
https://doi.org/10.1785/0120140018
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8
Dissertation/ Thesis
Analyse de la polarisation de données multi-composantes à partir d'une seule station ou d'une antenne : méthodes et applications à la caractérisation du champ d'ondes sismiques
Autor: Labonne, Claire
L’analyse du champ d’ondes est un prérequis essentiel à l’étude de la propagation des ondes sismiques qui permet à son tour d’améliorer notre compréhension des processus physiques liés à la nature de la source et notre connaissance de
Externí odkaz: http://www.theses.fr/2016AZUR4135/document
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9
Polarization analysis of multi-component data from a single station or an array : methods and applications to the characterization of the seismic wavefield
Autor: Labonne, Claire
Publikováno v: Sciences de la Terre. Université Côte d'Azur, 2016. Français. ⟨NNT : 2016AZUR4135⟩
The analysis of the seismic wavefield is an essential pre-requisite to the study of seismic wave propagation which in turns helps improving our understanding of the physical processes behind the sources and our knowledge of the propagation medium. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::a45d19bb44293f7e1046697dc65824f0
https://tel.archives-ouvertes.fr/tel-01489485/file/2016AZUR4135.pdf
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10
Modélisation multi-dimensionnelle de la propagation des ondes sismiques dans des milieux linéaires et non-linéaires
Autor: Oral, Elif
Publikováno v: Géophysique [physics.geo-ph]. Université Paris-Est, 2016. Français. ⟨NNT : 2016PESC1140⟩
307 p
Numerical modeling of seismic wave propagation has been a major topic on ground motion studies using a number of different numerical integration schemes. The consideration of soil nonlinearity holds an important place in order to achieve simulations
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::5844fb58a27130a9496f337f13d76277
https://tel.archives-ouvertes.fr/tel-01562279/document
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