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dc.contributor.author
Carosio, A.
dc.contributor.author
William, K.
dc.contributor.author
Etse, Jose Guillermo
dc.date.available
2019-06-14T18:47:28Z
dc.date.issued
2000-12
dc.identifier.citation
Carosio, A.; William, K.; Etse, Jose Guillermo; On the consistency of viscoplastic formulations; Pergamon-Elsevier Science Ltd; International Journal Of Solids And Structures; 37; 49-50; 12-2000; 156-163
dc.identifier.issn
0020-7683
dc.identifier.uri
http://hdl.handle.net/11336/78373
dc.description.abstract
A viscoplastic consistency condition is incorporated into the traditional viscoplastic rate format with two objectives in mind: (i) to develop a tangential material operator for rate sensitive behavior similarly to rate independent elastoplasticity, and (ii) to make an analytical reference solution available for evaluating the accuracy of new and well-established computational strategies to integrate the viscoplastic evolution equations.
The viscoplastic tangent operator provides the missing link between rate independent plasticity and rate dependent viscoplasticity. It also furnishes the acoustic tensor, which is required for localization analysis of discontinuous failure. Besides the formulation of the viscoplastic tangent operator, we present an analytical reference solution for perfect J2 viscoplasticity. This analytical result is subsequently used to determine the accuracy of simplifying assumptions behind the algebraic evaluation of the viscoplastic multiplier, and to quantify the error of the radial return mapping strategy for viscoplastic computations.
dc.format
application/pdf
dc.language.iso
eng
dc.publisher
Pergamon-Elsevier Science Ltd
dc.rights
info:eu-repo/semantics/openAccess
dc.rights.uri
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.subject
Consistent Viscoplasticity
dc.subject
Localization
dc.subject
Constitutive
dc.subject
Integration
dc.title
On the consistency of viscoplastic formulations
dc.type
info:eu-repo/semantics/article
dc.type
info:ar-repo/semantics/artículo
dc.type
info:eu-repo/semantics/publishedVersion
dc.date.updated
2019-06-14T15:09:56Z
dc.journal.volume
37
dc.journal.number
49-50
dc.journal.pagination
156-163
dc.journal.pais
Países Bajos
dc.journal.ciudad
Amsterdam
dc.description.fil
Fil: Carosio, A.. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Instituto de Estructuras "Ing. Arturo M. Guzmán"; Argentina
dc.description.fil
Fil: William, K.. State University of Colorado at Boulder; Estados Unidos
dc.description.fil
Fil: Etse, Jose Guillermo. Universidad Nacional de Tucumán. Facultad de Ciencias Exactas y Tecnología. Centro de Métodos Numéricos y Computacionales en Ingeniería; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Tucumán; Argentina
dc.journal.title
International Journal Of Solids And Structures
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://www.sciencedirect.com/science/article/pii/S002076830000202X/pdfft?md5=5ba1067451b63513ca27d8e72fea9402&pid=1-s2.0-S002076830000202X-main.pdf
dc.relation.alternativeid
info:eu-repo/semantics/altIdentifier/url/https://doi.org/10.1016/S0020-7683(00)00202-X
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