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Improved displacement based alternative to force based finite element for nonlinear analysis of framed structures

2017-03Journal article Restricted access
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dc.contributor.authorFerreira, Miguel
dc.contributor.authorProvidência, Paulo
dc.contributor.authorGala, Pedro
dc.contributor.authorAlmeida, João
dc.date.accessioned2025-09-11T11:29:05Z
dc.date.available2025-09-11T11:29:05Z
dc.date.issued2017-03
dc.description.abstractThis paper presents an improved displacement based element (iDBE) for nonlinear finite element analysis of framed structures, which, like the force based elements (FBE), needs neither high order shape functions nor the refinement of the finite element mesh in straight members to attain an accurate solution. To achieve this objective, to the strain fields based on the displacements shape functions of the conventional displacement based element (cDBE) corrective fields are added, which are determined at the element level by the principle of virtual forces. Simple examples involving tapered elements, nonlinear axialbending interaction and elasto-plastic behavior, are included to illustrate the application of iDBE and compare its performance to cDBE and FBE.eng
dc.description.sponsorshipThis work is partially supported by the Portuguese Foundation for Science and Technology under project grant PEst-OE/EEI/UI0308/2014.
dc.identifier.citationMiguel Ferreira, Paulo Providência, Pedro Gala, João Almeida, Improved displacement based alternative to force based finite element for nonlinear analysis of framed structures, Engineering Structures, Volume 135, 2017, Pages 95-103, ISSN 0141-0296, https://doi.org/10.1016/j.engstruct.2016.12.020
dc.identifier.doi10.1016/j.engstruct.2016.12.020
dc.identifier.issn0141-0296
dc.identifier.urihttp://hdl.handle.net/10400.8/14049
dc.language.isoeng
dc.peerreviewedyes
dc.publisherElsevier BV
dc.relationPEst-OE/EEI/UI0308/2014
dc.relation.hasversionhttps://www.sciencedirect.com/science/article/pii/S0141029616315760
dc.relation.ispartofEngineering Structures
dc.rights.uriN/A
dc.subjectFinite element method (FEM)
dc.subjectNonlinear finite element analysis (NLFEA)
dc.subjectDisplacement-based element (DBE)
dc.subjectForce-based element (FBE)
dc.subjectFictitious Force Method (FFM)
dc.titleImproved displacement based alternative to force based finite element for nonlinear analysis of framed structureseng
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage103
oaire.citation.startPage95
oaire.citation.titleEngineering Structures
oaire.citation.volume135
oaire.versionhttp://purl.org/coar/version/c_970fb48d4fbd8a85
person.familyNameGala
person.givenNamePedro
person.identifier.orcid0000-0003-0843-5335
relation.isAuthorOfPublicationf5bc3119-92fd-40b0-95d5-05e736a8baf4
relation.isAuthorOfPublication.latestForDiscoveryf5bc3119-92fd-40b0-95d5-05e736a8baf4

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