Zobrazeno 1 - 10 of 289 pro vyhledávání: '"métamatériaux"'
1
Rigidité topologique des métamatériaux mécaniques
Autor: Guzmán Jara, Marcelo Andrés
Publikováno v: Condensed Matter [cond-mat]. Ecole normale supérieure de lyon-ENS LYON, 2022. English. ⟨NNT : 2022ENSL0014⟩
What explains the rigidity of a material? The answer, in most cases, lies in the microscopic stiffness of their components. However, in the 18th century, Maxwell understood that materials made of stiff constituents may exhibit soft modes depending on
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3393::ac2fb0d67e9c86ba6565deead282620e
https://theses.hal.science/tel-03880865/file/GUZMAN_JARA_Marcelo_2022ENSL0014_These.pdf
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2
Modèle large bande de matériaux composites dans la méthode FDTD conforme pour le calcul de la Surface Equivalente Radar
Autor: Gaucher, Samuel
Publikováno v: Matériaux composites et construction. Université de Limoges, 2022. Français. ⟨NNT : 2022LIMO0066⟩
Metamaterials are three-dimensional complex structures often periodics. They have electromagnetic properties that are not found in conventional materials. These can be applied to a target to reduce its Radar Cross Section (RCS) and thus make it more
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______3515::8f3e5e3e2f591a6006b1631af2bf3929
https://hal.science/tel-03820106v2/document
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3
Design of acoustic metamaterials made of Helmholtz resonators for perfect absorption by using the complex frequency plane
Autor: Vicente Romero-García, Aurélien Merkel, Vassos Achilleos, Vincent Pagneux, Noé Jiménez, Olivier Richoux, Vincent Tournat, Georgios Theocharis, Jean-Philippe Groby
Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[Otros] Dans cette revue, nous présentons des résultats sur l'absorption acoustique parfaite sub-longueur d'onde faisant appel à des métamatériaux acoustiques avec des résonateurs Helmholtz pour différentes configurations. L'absorption parfait
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8d58879c6c80df9862f12da4e65cbf8b
https://doi.org/10.5802/crphys.32
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4
Conception numérique de textiles auto-déployables
Autor: Jourdan, David
Publikováno v: Graphics [cs.GR]. Université Côte d'Azur, 2022. English. ⟨NNT : 2022COAZ4008⟩
Printing-on-fabric is a recent manufacturing technique which consists in extruding molten plastic into pre-stretched fabric using standard additive manufacturing technologies. Printing-on-fabric recently gained popularity as a low-cost fabrication te
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od_______165::bbe5ba74b6c15f4f43e6d754fd99fa35
https://theses.hal.science/tel-03662318v2/file/2022COAZ4008.pdf
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5
Croissance paramétrée et bruit procédural pour la conception de métamatériaux mécaniques
Autor: Efremov, Semyon
Publikováno v: Computational Geometry [cs.CG]. Université de Lorraine, 2022. English. ⟨NNT : 2022LORR0046⟩
With constant development of technologies, computational and manufacturing capabilities increase, production methods evolve, and new techniques appear. As a result, the need for new materials with tailored, optimized properties for different applicat
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::332e72defcb822c9471222f4e53496b2
https://hal.univ-lorraine.fr/tel-03704004
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6
Métamatériaux pour la Génération de Vapeur par Energie Solaire
Autor: Gao, Lan, Nefzaoui, Elyes, Marty, Frédéric, Wei, Xueyong, Bastide, Stéphane, Leprince-Wang, Yamin, Bourouina, Tarik
Publikováno v: Colloque International Franco-Québécois (CIFQ) en Energie 2022
Colloque International Franco-Québécois (CIFQ) en Energie 2022, Jun 2022, Paris, France
International audience; Nous présentons dans cet article une nouvelle classe de métamatériaux optimisés pour améliorer les performances de systèmes de génération de vapeur par énergie solaire. Le matériau proposé consiste en un réseau de
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::be725d33303d6e48410f5355976a3b3f
https://hal.science/hal-03698628
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7
Etude expérimentale et modélisation de métamatériaux pour les ondes à la surface de l'eau
Autor: Anglart, Adam
Publikováno v: Mechanics [physics.med-ph]. Université Paris sciences et lettres, 2021. English. ⟨NNT : 2021UPSLS068⟩
This thesis concerns the study of metamaterials for water surface waves. The study is based on a laboratory experiment which makes it possible to measure the wave field precisely.In the first part, we demonstrate experimentally and numerically that m
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2592::2e7cef2bdf840593616db4e6915f91b6
https://pastel.archives-ouvertes.fr/tel-03516863/file/ESPCI_AdamANGLART_2021.pdf
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8
Métamatériaux thermiques intelligents
Autor: Ji, Qingxiang
Publikováno v: Materials. Université Bourgogne Franche-Comté; Harbin Institute of Technology (Chine), 2021. English. ⟨NNT : 2021UBFCD026⟩
This thesis mainly focuses on thermal metamaterials, including thermal metadevices that can actively manipulate heat flux, and thermally responsive metamaterials that can deform in response to external heat stimuli in a controlled manner. We propose
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::eab78e7585066f80538f55ac90074188
https://tel.archives-ouvertes.fr/tel-03454722/document
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9
Vibroacoustics of periodic structures : model order reduction, characterization, optimization
Autor: Boukadia, Régis
Publikováno v: Other. Université de Lyon, 2021. English. ⟨NNT : 2021LYSEC018⟩
Noise pollution has been identified as a physiological stressor that impacts both the physiological and psychological health of those exposed to it. This recognition has motivated the imposition of stricter noise regulations which justify the increas
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::39ef987f1983db50e6c2931e3c85bf10
https://tel.archives-ouvertes.fr/tel-03506294
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10
Guides d'onde phononiques topologiques
Autor: Laforge, Nicolas
Publikováno v: Mécanique [physics]. Université Bourgogne Franche-Comté, 2021. Français. ⟨NNT : 2021UBFCD017⟩
Metamaterials are materials designed by man with static or dynamic properties inaccessible to natural materials. Among them, phononic crystals consist of a periodic assembly of two or more materials, and are mainly used for the design of waveguiding
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::ee3d755a2642d759be4946a41f9a214a
https://tel.archives-ouvertes.fr/tel-03359705
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