Flexural analysis of functionally graded sandwich plates with a novel mixed finite element formulation using quasi-3d higher order shear deformation theory

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dc.contributor.authorKanığ, Doğan
dc.date.accessioned2025-07-28T06:25:10Z
dc.date.available2025-07-28T06:25:10Z
dc.date.issued2025
dc.departmentFakülteler, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümü
dc.description.abstractThis research focuses on the modeling and analysis of Functionally Graded (FG) plates featuring a sandwich core, utilizing a generalized Higher-Order Shear Deformation Theory (HSDT) that accounts for transverse stretching effects. This framework proposed facilitates the customization of different shear functions specifically designed for functionally graded materials (FGMs), thereby ensuring the inclusion of thickness stretching considerations (epsilon z not equal 0). The governing equations are derived through the application of the Hellinger-Reissner variational principle, which guarantees the stationarity of the functional. As a result, a finite element (FE) formulation is developed, incorporating two separate field variables: displacements and stress resultants. To discretize the domain of the FG plate, four-node quadrilateral elements are utilized. Initially, the functional necessitated C1 continuity; however, by employing the two-field characteristic of the mixed finite element (MFE) approach, integration by parts is utilized, which effectively reduces the C0 continuity requirement. This approach successfully captures the nonlinear and parabolic distribution of transverse shear stresses in FG sandwich plates (FGSPs). Within the use of various shear functions, the outcomes remain theoretically aligned with elasticity-based solutions and the proposed HSDT model. Furthermore, the inclusion of transverse stretching markedly improves the accuracy of bending behavior predictions for FGSPs when compared to traditional theories.
dc.identifier.citationKanığ, D. (2025). Flexural analysis of functionally graded sandwich plates with a novel mixed finite element formulation using quasi-3d higher order shear deformation theory. Mechanics of Advanced Materials and Structures, 1-22.
dc.identifier.doi10.1080/15376494.2025.2486738
dc.identifier.issn1537-6494
dc.identifier.issn1537-6532
dc.identifier.scopus2-s2.0-105002732578
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://hdl.handle.net/20.500.12939/5800
dc.identifier.wosWOS:001464514800001
dc.indekslendigikaynakWeb of Science
dc.institutionauthorKanığ, Doğan
dc.language.isoen
dc.publisherTaylor & Francis
dc.relation.ispartofMechanics of Advanced Materials and Structures
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.subjectflexural analysis
dc.subjectfunctionally graded
dc.subjecthellinger reissner
dc.subjecthigher order shear deformation theory
dc.subjectmixed finite element formulation
dc.subjectsandwich
dc.subjectStretching effect
dc.titleFlexural analysis of functionally graded sandwich plates with a novel mixed finite element formulation using quasi-3d higher order shear deformation theory
dc.typeArticle

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