Implementation of shear-locking-free triangular refined zigzag element for structural analysis of multilayered plates with curvilinear fibers

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dc.authoridZoghipour, Pouya/0000-0003-0827-9096
dc.contributor.authorZoghipour, P.
dc.contributor.authorHasim, K. A.
dc.contributor.authorKefal, A.
dc.contributor.authorYildiz, M.
dc.date.accessioned2025-01-06T17:37:18Z
dc.date.available2025-01-06T17:37:18Z
dc.date.issued2023
dc.description.abstractModeling and analysis of composites with curvilinear fiber reinforcement is rather challenging in terms of ac-curacy and computational cost associated with variable material stiffness. In this study, to reduce the compu-tational cost drastically without sacrificing the numerical accuracy, variable stiffness composite laminate (VSCL) is modelled as a single layer based on the refined zigzag theory (RZT). To this end, a three-node triangle RZT element formulation is adopted and effectively implemented for static analysis of multilayer composites and sandwich plates with curvilinear fiber paths. Moreover, to accurately model the strains in VSCL, the derivatives of the zigzag functions with respect to planar coordinates are considered for each ply within the laminate in the RZT kinematic-strain relations. Enhanced capability of the present model is verified by performing compre-hensive numerical investigation on several benchmark cases. The obtained results are compared with those present in the literature and three-dimensional elasticity solutions. Hence, it is demonstrated that the triangular RZT element is a fast, robust, and accurate structural analysis platform that can potentially lend itself to the optimization of curvilinear fiber angles of VSCL.
dc.identifier.doi10.1016/j.compstruct.2022.116462
dc.identifier.issn0263-8223
dc.identifier.issn1879-1085
dc.identifier.scopus2-s2.0-85142903140
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.compstruct.2022.116462
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2188
dc.identifier.volume305
dc.identifier.wosWOS:000991400500002
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier Sci Ltd
dc.relation.ispartofComposite Structures
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectCurvilinear fibers
dc.subjectVariable stiffness
dc.subjectSandwich structures
dc.subjectPlate kinematics
dc.subjectRefined zigzag theory
dc.subjectFinite element analysis
dc.titleImplementation of shear-locking-free triangular refined zigzag element for structural analysis of multilayered plates with curvilinear fibers
dc.typeArticle

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