Acoustic displacement tetrahedra developed using the IET rules

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dc.citation.journalTitleCOMPUTERS & STRUCTURESspa
dc.contributor.authorCorrea, S.
dc.contributor.authorMilitello, C.
dc.contributor.authorRecuero, M.
dc.contributor.departmentUniversidad EAFIT. Departamento de Ingeniería de Diseño
dc.contributor.researchgroupIngeniería de Diseño (GRID)spa
dc.date.accessioned2021-04-12T21:12:13Z
dc.date.available2021-04-12T21:12:13Z
dc.date.issued2010-09-01
dc.description.abstractA four node, displacement based, acoustic element is developed. In order to avoid spurious rotational modes, a higher order stiffness is introduced. The higher order stiffness is developed from an incompatible strain field which computes element volume changes under nodal rotational displacements fields. The higher order strain satisfies the IET requirements, non affecting convergence. The higher order stiffness is modulated, element by element, with a factor. Thus, the displacement based formulation is capable of placing the spurious rotational modes over the range of physical compressional modes that can be accurately captured by the mesh. © 2010 Elsevier Ltd. All rights reserved.eng
dc.identifierhttps://eafit.fundanetsuite.com/Publicaciones/ProdCientif/PublicacionFrw.aspx?id=1602
dc.identifier.doi10.1016/j.compstruc.2010.05.007
dc.identifier.issn457949
dc.identifier.issn18792243
dc.identifier.otherWOS;000280905100003
dc.identifier.otherSCOPUS;2-s2.0-77955430753
dc.identifier.urihttp://hdl.handle.net/10784/28802
dc.language.isoengeng
dc.publisherPERGAMON-ELSEVIER SCIENCE LTD
dc.relationDOI;10.1016/j.compstruc.2010.05.007
dc.relationWOS;000280905100003
dc.relationSCOPUS;2-s2.0-77955430753
dc.relation.urihttps://www.scopus.com/inward/record.uri?eid=2-s2.0-77955430753&doi=10.1016%2fj.compstruc.2010.05.007&partnerID=40&md5=524ee6cd1e3c5a4a0b6e379ec8a6181d
dc.rightshttps://v2.sherpa.ac.uk/id/publication/issn/0045-7949
dc.sourceCOMPUTERS & STRUCTURES
dc.subject.keywordAcoustic elementseng
dc.subject.keywordCompressional modeeng
dc.subject.keywordElement by elementseng
dc.subject.keywordElement volumeeng
dc.subject.keywordHigher ordereng
dc.subject.keywordParameterizedeng
dc.subject.keywordRotational displacementseng
dc.subject.keywordRotational modeseng
dc.subject.keywordSpurious modeseng
dc.subject.keywordStrain fieldseng
dc.subject.keywordVariational principleseng
dc.subject.keywordStiffnesseng
dc.subject.keywordVariational techniqueseng
dc.subject.keywordFluid structure interactioneng
dc.titleAcoustic displacement tetrahedra developed using the IET ruleseng
dc.typeinfo:eu-repo/semantics/articleeng
dc.typearticleeng
dc.typeinfo:eu-repo/semantics/publishedVersioneng
dc.typepublishedVersioneng
dc.type.localArtículospa

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