Numerical pathologies in snap-through simulations

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dc.citation.firstpage495en_US
dc.citation.journalTitleEngineering Structuresen_US
dc.citation.lastpage504en_US
dc.citation.volumeNumber34en_US
dc.contributor.authorChandra, Yennyen_US
dc.contributor.authorStanciulescu, Ilincaen_US
dc.contributor.authorEason, Thomasen_US
dc.contributor.authorSpottswood, Michaelen_US
dc.date.accessioned2014-08-04T20:53:45Zen_US
dc.date.available2014-08-04T20:53:45Zen_US
dc.date.issued2012en_US
dc.description.abstractAircraft structures operating in severe environments may experience snap-through, causing the curvature on part or all of the structure to invert inducing fatigue damage. This paper examines the performance of beam and continuum nonlinear finite element formulations in conjunction with several popular implicit time stepping algorithms to assess the accuracy and stability of numerical simulations of snap-through events. Limitations of the structural elements are identified and we provide examples of interaction between spatial and temporal discretizations that affect the robustness of the overall scheme and impose strict limits on the size of the time step. These limitations need to be addressed in future works in order to develop accurate, robust and efficient simulation methods for response prediction of structures encountering extreme environments.en_US
dc.identifier.citationChandra, Yenny, Stanciulescu, Ilinca, Eason, Thomas, et al.. "Numerical pathologies in snap-through simulations." <i>Engineering Structures,</i> 34, (2012) Elsevier: 495-504. http://dx.doi.org/10.1016/j.engstruct.2011.10.013.en_US
dc.identifier.doihttp://dx.doi.org/10.1016/j.engstruct.2011.10.013en_US
dc.identifier.urihttps://hdl.handle.net/1911/76354en_US
dc.language.isoengen_US
dc.publisherElsevieren_US
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Elsevier.en_US
dc.subject.keywordsnap-throughen_US
dc.subject.keywordfinite elementen_US
dc.subject.keywordcurved beamen_US
dc.subject.keywordsolid (continuum) elementsen_US
dc.subject.keywordstructural elementsen_US
dc.subject.keywordtime integratorsen_US
dc.subject.keywordnumerical pathologiesen_US
dc.titleNumerical pathologies in snap-through simulationsen_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpost-printen_US
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