Zobrazeno 1 - 10 of 118 pro vyhledávání: '"Propagation de fissure"'
1
Fissuration en mode mixte I+II du bois à différentes teneurs en eau : expérimentation et proposition d'un modèle de courbe-R
Autor: Perez, Cedric
Publikováno v: Mécanique [physics.med-ph]. Université de Bordeaux, 2021. Français. ⟨NNT : 2021BORD0186⟩
Cracking of wooden structural elements has been a challenge for many years. The risksof cracking are closely tied to climatic variations and especially to their consequences, interms of moisture content variations of wood. Besides, cracks usually spr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::46e226bd9c2ebdcedd7bf4751e04b43b
https://tel.archives-ouvertes.fr/tel-03353095/document
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2
Combinaison d’éléments cohésifs et remaillage pour gérer la propagation arbitraire du chemin de fissure : des matériaux fragiles à l’analyse de fatigue thermique des petits corps du système solaire
Autor: Uribe Suarez, Diego Alejandro
Publikováno v: Materials and structures in mechanics [physics.class-ph]. Université Côte d'Azur, 2021. English. ⟨NNT : 2021COAZ4047⟩
The present PhD thesis aims at providing a better modeling of fracture phenomenon in brittle materials, with special attention focused on fracture processes taking place in astronomical bodies. One of the most challenging issues in computational frac
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::912308613a4e9ded6e8b5a6add7e8e94
https://tel.archives-ouvertes.fr/tel-03352206
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3
Experimental study and modeling of the fretting-fatigue lifetime of overhead conductors for energy transmission
Autor: Said, Julien
Publikováno v: Autre. Université de Lyon, 2020. Français. ⟨NNT : 2020LYSEC047⟩
This research work focuses on the lifetime prediction of overhead conductors subjected to aeolian vibrations. The combined effects of the wind and the clamp on the conductor hasten the damaging process and induce premature failures of the strands. Th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2b5fe848ccd971f7844e4df8960df2d5
https://tel.archives-ouvertes.fr/tel-03401849
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4
Damage in disordered media : Paper as a material model
Autor: Villette, François
Publikováno v: Mécanique des matériaux [physics.class-ph]. Université Grenoble Alpes [2020-..], 2020. Français. ⟨NNT : 2020GRALI062⟩
The understanding, modeling and prediction of failure in heterogeneous materials are important issues for many applications such as the resistance of civil engineering structures or rock detachments for example. Currently, damage models involve an in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::e7bcc08f35c1a2114510f74c7c77871a
https://tel.archives-ouvertes.fr/tel-03135197
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5
Endommagement de milieux hétérogènes : Le papier en tant que matériau modèle
Autor: Villette, François
Publikováno v: Mécanique des matériaux [physics.class-ph]. Université Grenoble Alpes [2020-..], 2020. Français. ⟨NNT : 2020GRALI062⟩
The understanding, modeling and prediction of failure in heterogeneous materials are important issues for many applications such as the resistance of civil engineering structures or rock detachments for example. Currently, damage models involve an in
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::e7bcc08f35c1a2114510f74c7c77871a
https://tel.archives-ouvertes.fr/tel-03135197
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6
Numerical modelling of high strength structures under severe loadings
Autor: Nikolakopoulos, Konstantinos
Le projet dans lequel s’inscrit ce travail de thèse porte sur la détermination de la durabilité des structures métalliques de grandes dimensions lorsqu’elles sont soumises à des surcharges accidentelles (collision, explosion, impact d’oise
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=artemis___fr::04a48e06fd49cce38a77900c61def97e
http://depozit.isae.fr/theses/2020/2020_Nikolakopoulos_Konstantinos.pdf
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7
Mécanismes de propagation de fissure dans un superalliage base nickel polycristallin en régime d’interaction fatigue-fluage-oxydation-vieillissement métallurgique
Autor: Mrozowski, Nicolas
Publikováno v: Autre. ISAE-ENSMA Ecole Nationale Supérieure de Mécanique et d'Aérotechique-Poitiers, 2020. Français. ⟨NNT : 2020ESMA0010⟩
The 750°C crack propagation behavior in the polycristalline nickel-base superalloy AD730TM is studied. This study falls within the overall objectives of optimizing the “microstructure – mechanical properties” relations in nickel-base superallo
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::2c791a4525e80abad48cf52100c43d14
https://tel.archives-ouvertes.fr/tel-03092324/file/2020ESMA0010_mrozowski.pdf
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8
Utilisation de géogrilles en fibre de verre pour le renforcement des couches d’enrobé bitumineux
Autor: Arrais Freire, Reuber
Publikováno v: Structural mechanics [physics.class-ph]. Université de Lyon, 2020. English. ⟨NNT : 2020LYSET009⟩
This doctoral dissertation was developed at the Laboratory of Tribology and Dynamics of Systems (LTDS) at the Ecole Nationale des Travaux Publics de l’Etat (ENTPE), France. It was part of a partnership between the French companies Afitexinov and EI
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::9c59e358321db795b8f3a8a26366ef25
https://tel.archives-ouvertes.fr/tel-03249370/file/Freire_PhD_thesis_2020.pdf
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9
Caractérisation et modélisation du comportement à la déchirure de matériaux élastomères endommagés par chargements multiaxiaux
Autor: Roucou, David
Publikováno v: Mécanique des matériaux [physics.class-ph]. Centrale Lille Institut, 2020. Français. ⟨NNT : 2020CLIL0001⟩
Rubber-like materials are currently used in machine design for suspension or connection functions, such as pneumatic tyres. The elastomers of interest are reinforced by carbon-black particles. The addition of these particles improves mechanical prope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::d14e7450682a7c90d31e53bf5bb3bee9
https://tel.archives-ouvertes.fr/tel-03123299/document
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10
Characterization and modeling of the tearing behavior of elastomers damaged by multiaxial loadings
Autor: Roucou, David
Publikováno v: Mécanique des matériaux [physics.class-ph]. Centrale Lille Institut, 2020. Français. ⟨NNT : 2020CLIL0001⟩
Rubber-like materials are currently used in machine design for suspension or connection functions, such as pneumatic tyres. The elastomers of interest are reinforced by carbon-black particles. The addition of these particles improves mechanical prope
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::d14e7450682a7c90d31e53bf5bb3bee9
https://tel.archives-ouvertes.fr/tel-03123299/document
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