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dc.contributor.authorGil Espert, Lluís
dc.contributor.authorMarcé Nogué, Jordi
dc.contributor.authorSánchez Romero, Montserrat
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament de Resistència de Materials i Estructures a l'Enginyeria
dc.date.accessioned2016-01-19T13:47:08Z
dc.date.available2016-01-19T13:47:08Z
dc.date.issued2015-03
dc.identifier.citationGil, L., Marcé-Nogué, J., Sanchez, M. Insights into the controversy over materials data for the comparison of biomechanical performance in vertebrates. "Palaeontologia electronica", Març 2015, núm. 18.1.10A, p. 1-24.
dc.identifier.issn1935-3952
dc.identifier.urihttp://hdl.handle.net/2117/81679
dc.description.abstractMechanical comparison of different species is performed with the help of computational tools like Finite Element Analysis FEA. In palaeobiology it is common to consider bone like an isotropic material for simulations but often real data of bone materials is impossible to know. This work investigates the influence of choice of bone materials properties over the results of simulations, showing when and why the materials data are relevant and when the selection of these data becomes irrelevant. With a theoretical approach from continuum mechanics and with a practical example the relationship between material data and comparative metrics like stress, strains and displacements is discussed. When linear and elastic material properties are assumed in a comparative analysis, the effect of the elastic modulus of the material is irrelevant over stress patterns. This statement is true for homogeneous and inhomogeneous materials, in this last case the proportion between the different materials properties must kept constant. In the case of the strains and displacements, there is an inverse proportionality kept constant, between the values of the metrics and the changes in the elastic modulus. These properties allow comparative studies without considering the real elastic materials properties.
dc.format.extent24 p.
dc.language.isoeng
dc.subjectÀrees temàtiques de la UPC::Enginyeria biomèdica::Biomecànica
dc.subject.lcshFinite element method
dc.subject.lcshPaleontology
dc.subject.lcshAnimal mechanics
dc.subject.lcshContinuum mechanics
dc.subject.otherfinite element analysis
dc.subject.othermaterials properties
dc.subject.otherbones
dc.subject.othercontinuum mechanics
dc.subject.othercomparative analysis
dc.subject.othergeometric morphometrics
dc.subject.otherbone tissue
dc.subject.othermodels
dc.subject.othersensitivity
dc.subject.othervalidation
dc.subject.othermechanics
dc.subject.otherpatterns
dc.subject.othertemnospondyli
dc.subject.otherintegration
dc.titleInsights into the controversy over materials data for the comparison of biomechanical performance in vertebrates
dc.typeArticle
dc.subject.lemacElements finits, Mètode dels
dc.subject.lemacPaleontologia
dc.subject.lemacMecànica animal
dc.subject.lemacMecànica dels medis continus
dc.contributor.groupUniversitat Politècnica de Catalunya. LITEM - Laboratori per a la Innovació Tecnològica d'Estructures i Materials
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://palaeo-electronica.org/content/2015/1095-controversy-in-materials-data
dc.rights.accessOpen Access
drac.iddocument15464522
dc.description.versionPostprint (published version)
upcommons.citation.authorGil, L., Marcé-Nogué, J., Sanchez, M.
upcommons.citation.publishedtrue
upcommons.citation.publicationNamePalaeontologia electronica
upcommons.citation.number18.1.10A
upcommons.citation.startingPage1
upcommons.citation.endingPage24


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