Numerical pathologies in snap-through simulations

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dc.citation.firstpage495
dc.citation.journalTitleEngineering Structures
dc.citation.lastpage504
dc.citation.volumeNumber34
dc.contributor.authorChandra, Yenny
dc.contributor.authorStanciulescu, Ilinca
dc.contributor.authorEason, Thomas
dc.contributor.authorSpottswood, Michael
dc.date.accessioned2014-08-04T20:53:45Z
dc.date.available2014-08-04T20:53:45Z
dc.date.issued2012
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.
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.
dc.identifier.doihttp://dx.doi.org/10.1016/j.engstruct.2011.10.013
dc.identifier.urihttps://hdl.handle.net/1911/76354
dc.language.isoeng
dc.publisherElsevier
dc.rightsThis is an author's peer-reviewed final manuscript, as accepted by the publisher. The published article is copyrighted by Elsevier.
dc.subject.keywordsnap-through
dc.subject.keywordfinite element
dc.subject.keywordcurved beam
dc.subject.keywordsolid (continuum) elements
dc.subject.keywordstructural elements
dc.subject.keywordtime integrators
dc.subject.keywordnumerical pathologies
dc.titleNumerical pathologies in snap-through simulations
dc.typeJournal article
dc.type.dcmiText
dc.type.publicationpost-print
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