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A validated railway vehicle interior layout with multibody dummies and finite element seats models for crash analysis

2021-06Journal article Restricted access
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dc.contributor.authorAmbrosio, Jorge
dc.contributor.authorCarvalho, Marta
dc.contributor.authorMilho, João
dc.contributor.authorEscalante, Susana
dc.contributor.authorMartin, Roberto
dc.date.accessioned2021-07-02T09:32:08Z
dc.date.available2021-07-02T09:32:08Z
dc.date.issued2021-06
dc.description.abstractWe propose a methodology for the validation of a numerical model of a railway interior with an inline seating layout arrangement, based on the use of multibody and finite element approaches for the analysis of the passive safety. We model the railway interior layout using a nonlinear finite element model of the passenger seats and all supporting structures. Multibody models of test dummies, appropriate to the identification of the injury mechanisms, are used as measuring tools of the human exposure to injury. The crash scenario model uses a crash pulse, which is the surrogate for the impact of the railway vehicle structure. Being the multibody dummy validated independently by the software vendor and the nonlinear finite element structural models built with detailed data, the validation of the complete layout involves the identification of the uncertain parameters used in the scenario construction and not of the parameters used in the independent models already validated. The interaction between the multibody and finite element is represented via a penalty contact force model, which, together with the dummy positioning data, provides the uncertain parameter set used in the validation process. An experimental test of the inline seating layout, carried with a physical prototype, provides the reference dynamic response for the validation of the numerical model. The injury levels measured with the dummies provide the reference injury criteria values used in the validation process. Following the model validation, we discuss the results obtained for the nominal crash scenario in the framework of the most relevant injury indices for railway passenger passive safety.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.citationAMBRÓSIO, Jorge; [et al] – A validated railway vehicle interior layout with multibody dummies and finite element seats models for crash analysis. Multibody System Dynamics. ISSN 1384-5640. ((2021), pp. 1-34pt_PT
dc.identifier.doi10.1007/s11044-021-09794-wpt_PT
dc.identifier.eissn1573-272X
dc.identifier.issn1384-5640
dc.identifier.urihttp://hdl.handle.net/10400.21/13510
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherSpringerpt_PT
dc.relationUIDB/00667/2020 - FCTpt_PT
dc.relationUIDB/50022/2020 - FCT, through IDMEC, under LAETApt_PT
dc.relation.publisherversionhttps://link.springer.com/content/pdf/10.1007/s11044-021-09794-w.pdfpt_PT
dc.subjectRailway crashworthinesspt_PT
dc.subjectImpact biomechanicspt_PT
dc.subjectRailway passive safetypt_PT
dc.subjectSecondary impactpt_PT
dc.subjectNonlinear finite elementspt_PT
dc.subjectMultibody dynamicspt_PT
dc.titleA validated railway vehicle interior layout with multibody dummies and finite element seats models for crash analysispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage34pt_PT
oaire.citation.startPage1pt_PT
oaire.citation.titleMultibody System Dynamicspt_PT
person.familyNameAmbrosio
person.familyNameIsabel Pimenta Verdete da Silva Carvalho
person.familyNameMilho
person.givenNameJorge
person.givenNameMarta
person.givenNameJoão
person.identifier.ciencia-idC111-753F-D398
person.identifier.ciencia-id1B14-3F55-D2E6
person.identifier.ciencia-id8B10-31FC-8EE9
person.identifier.orcid0000-0001-6681-5657
person.identifier.orcid0000-0003-2799-305X
person.identifier.orcid0000-0002-3302-0935
person.identifier.ridD-1685-2010
person.identifier.ridI-4669-2015
person.identifier.scopus-author-id7003433776
person.identifier.scopus-author-id6506056952
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication9ce7d0c2-66c2-423b-b063-518f75f99588
relation.isAuthorOfPublication5a02adae-5a16-4b55-a24d-b998d5e4bf69
relation.isAuthorOfPublication2dd3b72f-073a-472b-abb6-05582c12db6b
relation.isAuthorOfPublication.latestForDiscovery5a02adae-5a16-4b55-a24d-b998d5e4bf69

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