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dc.contributor.author | Leng, J. | es_ES |
dc.contributor.author | Gautier, F. | es_ES |
dc.contributor.author | Pelat, A. | es_ES |
dc.contributor.author | Picó Vila, Rubén | es_ES |
dc.contributor.author | Groby, J-P | es_ES |
dc.contributor.author | Romero García, Vicente | es_ES |
dc.date.accessioned | 2021-01-26T04:32:09Z | |
dc.date.available | 2021-01-26T04:32:09Z | |
dc.date.issued | 2019-05-06 | es_ES |
dc.identifier.issn | 1367-2630 | es_ES |
dc.identifier.uri | http://hdl.handle.net/10251/159842 | |
dc.description.abstract | [EN] The limits of flexural wave absorption by open lossy resonators are analytically and numerically reported in this work for both the reflection and transmission problems. An experimental validation for the reflection problem is presented. The reflection and transmission of flexural waves in 1D resonant thin beams are analyzed by means of the transfer matrix method. The hypotheses, on which the analytical model relies, are validated by experimental results. The open lossy resonator, consisting of a finite length beam thinner than the main beam, presents both energy leakage due to the aperture of the resonators to the main beam and inherent losses due to the viscoelastic damping. Wave absorption is found to be limited by the balance between the energy leakage and the inherent losses of the open lossy resonator. The perfect compensation of these two elements is known as the critical coupling condition and can be easily tuned by the geometry of the resonator. On the one hand, the scattering in the reflection problem is represented by the reflection coefficient. A single symmetry of the resonance is used to obtain the critical coupling condition. Therefore the perfect absorption can be obtained in this case. On the other hand, the transmission problem is represented by two eigenvalues of the scattering matrix, representing the symmetric and anti-symmetric parts of the full scattering problem. In the geometry analyzed in this work, only one kind of symmetry can be critically coupled, and therefore, the maximal absorption in the transmission problem is limited to 0.5. The results shown in this work pave the way to the design of resonators for efficient flexural wave absorption. | es_ES |
dc.description.sponsorship | The authors thank Mathieu Secail-Geraud and Julien Nicolas for the development of the experimental set-up. The work has been founded by the RFI Le Mans Acoustic (Region Pays de la Loire) within the framework of the Metaplaque project. This article is based upon work from COST action DENORMS CA 15125, supported by COST (European Cooperation in Science and Technology). The work was partly supported by the Spanish Ministry of Economy and Innovation (MINECO) and European Union FEDER through project FIS2015-65998-C2-2 and by project AICO/2016/060 by Conselleria de Educacion, Investigacion, Cultura y Deporte de la Generalitat Valenciana. | es_ES |
dc.language | Inglés | es_ES |
dc.publisher | IOP Publishing | es_ES |
dc.relation.ispartof | NEW JOURNAL OF PHYSICS | es_ES |
dc.rights | Reconocimiento (by) | es_ES |
dc.subject | Perfect absorption | es_ES |
dc.subject | Acoustic metamaterials | es_ES |
dc.subject | Locally resonant structures | es_ES |
dc.subject.classification | FISICA APLICADA | es_ES |
dc.title | Limits of flexural wave absorption by open lossy resonators: reflection and transmission problems | es_ES |
dc.type | Artículo | es_ES |
dc.identifier.doi | 10.1088/1367-2630/ab1761 | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/COST//CA15125/EU/Designs for Noise Reducing Materials and Structures (DENORMS)/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/MINECO//FIS2015-65998-C2-2-P/ES/ONDAS ACUSTICAS EN CRISTALES, MEDIOS ESTRUCTURADOS Y METAMATERIALES/ | es_ES |
dc.relation.projectID | info:eu-repo/grantAgreement/GVA//AICO%2F2016%2F060/ | es_ES |
dc.rights.accessRights | Abierto | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Instituto Universitario de Matemática Pura y Aplicada - Institut Universitari de Matemàtica Pura i Aplicada | es_ES |
dc.contributor.affiliation | Universitat Politècnica de València. Departamento de Física Aplicada - Departament de Física Aplicada | es_ES |
dc.description.bibliographicCitation | Leng, J.; Gautier, F.; Pelat, A.; Picó Vila, R.; Groby, J.; Romero García, V. (2019). Limits of flexural wave absorption by open lossy resonators: reflection and transmission problems. NEW JOURNAL OF PHYSICS. 21:1-11. https://doi.org/10.1088/1367-2630/ab1761 | es_ES |
dc.description.accrualMethod | S | es_ES |
dc.relation.publisherversion | https://doi.org/10.1088/1367-2630/ab1761 | es_ES |
dc.description.upvformatpinicio | 1 | es_ES |
dc.description.upvformatpfin | 11 | es_ES |
dc.type.version | info:eu-repo/semantics/publishedVersion | es_ES |
dc.description.volume | 21 | es_ES |
dc.relation.pasarela | S\387717 | es_ES |
dc.contributor.funder | Generalitat Valenciana | es_ES |
dc.contributor.funder | European Regional Development Fund | es_ES |
dc.contributor.funder | European Cooperation in Science and Technology | es_ES |
dc.contributor.funder | Ministerio de Economía y Competitividad | es_ES |
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