Displacement-based finite element formulations for material-nonlinear analysis of composite beams and treatment of locking behaviour

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dc.contributor.author Erkmen, Recep en_US
dc.contributor.author Attard, Mario en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-10-12T03:32:49Z
dc.date.available 2012-10-12T03:32:49Z
dc.date.issued 2011 en_US
dc.identifier 2011001034 en_US
dc.identifier.citation Erkmen Recep and Attard Mario 2011, 'Displacement-based finite element formulations for material-nonlinear analysis of composite beams and treatment of locking behaviour', Elsevier BV, vol. 47, no. 12, pp. 1293-1305. en_US
dc.identifier.issn 0168-874X en_US
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/17948
dc.description.abstract In this paper a numerical procedure is developed for the material-nonlinear analysis of composite beams composed of two Euler-Bernoulli beams juxtaposed with a deformable shear connection. In the displacement-based finite element analysis of composite beams, however, the coupling of the transverse and longitudinal displacement fields may cause oscillations in the interlayer slip field and reduction in optimal convergence rate, known as slip-locking. A very simple and novel procedure is introduced to develop an assumed strain formulation, which alleviates slip-locking in the numerical analysis of composite beams and provides superconvergent points for slip values. It is also shown that by changing the primary variable fields of Newmark's mathematical model, to interpolate the slip field directly, slip-locking can be completely eliminated. Numerical examples are presented to illustrate the performances and the numerical characteristics of the proposed methods. en_US
dc.language English en_US
dc.publisher Elsevier BV en_US
dc.relation.isbasedon http://dx.doi.org/10.1016/j.finel.2011.07.001 en_US
dc.title Displacement-based finite element formulations for material-nonlinear analysis of composite beams and treatment of locking behaviour en_US
dc.parent Finite Elements in Analysis and Design en_US
dc.journal.volume 47 en_US
dc.journal.number 12 en_US
dc.publocation Netherlands en_US
dc.identifier.startpage 1293 en_US
dc.identifier.endpage 1305 en_US
dc.cauo.name FEIT.School of Civil and Environmental Engineering en_US
dc.conference Verified OK en_US
dc.for 010000 en_US
dc.personcode 110573 en_US
dc.personcode 0000069084 en_US
dc.percentage 50 en_US
dc.classification.name Mathematical Sciences en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Composite beams Slip-locking Material nonlinearity Assumed strain formulation Change of primary variables en_US


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