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Numerical analysis of the dynamic frequency responses of damaged micro-lattice core sandwich plates

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dc.affiliation.dptoUC3M. Departamento de Mecánica de Medios Continuos y Teoría de Estructurases
dc.affiliation.grupoinvUC3M. Grupo de Investigación: Dinámica de Estructuras Ligerases
dc.contributor.authorBraun, Matías Nicolás
dc.contributor.authorIváñez del Pozo, Inés
dc.contributor.authorAranda Ruiz, Josué
dc.contributor.funderMinisterio de Economía y Competitividad (España)es
dc.date.accessioned2020-12-10T15:10:41Z
dc.date.available2020-12-10T15:10:41Z
dc.date.issued2020-01-01
dc.description.abstractIn this work, a numerical analysis of the dynamic frequency responses of sandwich plates with micro-lattice core is presented. The finite element analysis is implemented in the commercial software Abaqus/Standard, calculating the natural frequencies and eigenmodes of sandwich plates containing defects on the micro-lattice structure. In order to include the presence of defects, an aleatory algorithm is developed in MATLAB. The effect of the damage percentage, cell type, cell size and material on the frequency and modal responses of the sandwich plates is highlighted. Results show that the dynamic frequency response may be useful for analysing practical issues related to non-destructive damage identification of imperfections in the micro-lattice core of sandwich structures.en
dc.description.sponsorshipThe authors wish to gratefully acknowledge the financial support of the Spanish Ministry of Economy and Competitiveness under Projects DPI2011-24068 and DPI2011-23191.en
dc.identifier.bibliographicCitationBraun M, Ivañez I, Aranda-Ruiz J. Numerical analysis of the dynamic frequency responses of damaged micro-lattice core sandwich plates. The Journal of Strain Analysis for Engineering Design. 2020;55(1-2):31-41.
dc.identifier.doi10.1177/0309324719890958
dc.identifier.issn0309-3247
dc.identifier.publicationfirstpage31
dc.identifier.publicationissue1-2
dc.identifier.publicationlastpage41
dc.identifier.publicationtitleJournal of Strain Analysis for Engineering Design
dc.identifier.publicationvolume55
dc.identifier.urihttps://hdl.handle.net/10016/31571
dc.identifier.uxxiAR/0000025499
dc.language.isoeng
dc.publisherSage
dc.relation.projectIDGobierno de España. DPI2011-24068es
dc.relation.projectIDGobierno de España. DPI2011-23191
dc.rights© The Author(s) 2019
dc.rightsAtribución-NoComercial-SinDerivadas 3.0 España
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.ecienciaIngeniería Mecánicaes
dc.subject.otherFinite element analysisen
dc.subject.otherFree vibration analysisen
dc.subject.otherMicro-latticeen
dc.subject.otherSandwich structureen
dc.titleNumerical analysis of the dynamic frequency responses of damaged micro-lattice core sandwich platesen
dc.typeresearch article*
dc.type.hasVersionAM*
dspace.entity.typePublication
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