Material Nonlinear Static Analysis of Axially Functionally Graded Porous Bar Elements

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dc.authorid0009-0001-3674-6299
dc.authorid0000-0001-5327-3406
dc.contributor.authorAkbas, Seref Doguscan
dc.date.accessioned2026-02-08T15:15:52Z
dc.date.available2026-02-08T15:15:52Z
dc.date.issued2024
dc.departmentBursa Teknik Üniversitesi
dc.description.abstractThis investigation presents material nonlinear analysis of a cantilever bar element made of functionally graded material with porosity properties. The material properties of bar element are considered as changing though axial direction based on the Power -Law distribution and uniform porosity distribution. The stress -strain relation of the material is considered as a nonlinear property according to a Power -Law function. The cantilever bar element is subjected to a point load at the free end. In order to obtain more realistic solution for the nonlinear problem and axially material distribution, nonlinear finite element method is used. In the obtaining of finite element equations, the virtual work principle is used and, after linearization step, the tangent stiffness matrix and residual vector are obtained. In the nonlinear solution process, the incremental force method is implemented and, each load step, the nonlinear equations are solved by using the Newton-Raphson iteration method. In the numerical results, effects of material nonlinearity parameters, porosity coefficients, material distribution parameter and aspect ratios on nonlinear static deflections of the bar are presented and discussed. The obtained results show that the material nonlinear behaviour of the bar element is considerably affected with porosity and material graduation.
dc.identifier.doi10.22059/JCAMECH.2024.373099.980
dc.identifier.endpage234
dc.identifier.issn2423-6713
dc.identifier.issn2423-6705
dc.identifier.issue2
dc.identifier.scopus2-s2.0-85193039537
dc.identifier.scopusqualityQ2
dc.identifier.startpage223
dc.identifier.urihttps://doi.org/10.22059/JCAMECH.2024.373099.980
dc.identifier.urihttps://hdl.handle.net/20.500.12885/6001
dc.identifier.volume55
dc.identifier.wosWOS:001207206100004
dc.identifier.wosqualityQ3
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherUniv Tehran, Danishgah-I Tihran
dc.relation.ispartofJournal of Computational Applied Mechanics
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzWOS_KA_20260207
dc.subjectPorosity
dc.subjectMaterial Nonlinearity
dc.subjectFunctionally Graded Materials
dc.subjectNonlinear Solution
dc.subjectFinite Element Method
dc.titleMaterial Nonlinear Static Analysis of Axially Functionally Graded Porous Bar Elements
dc.typeArticle

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