Damped forced vibration analysis of layered functionally graded thick beams with porosity

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dc.authorid0000-0001-5327-3406en_US
dc.authorscopusid36443263300en_US
dc.contributor.authorAlnujaie A.
dc.contributor.authorAkbaş, Şeref Doǧuşcan
dc.contributor.authorEltaher M.A.
dc.contributor.authorAssie A.E.
dc.date.accessioned2022-04-05T06:59:05Z
dc.date.available2022-04-05T06:59:05Z
dc.date.issued2021en_US
dc.departmentBTÜ, Mühendislik ve Doğa Bilimleri Fakültesi, İnşaat Mühendisliği Bölümüen_US
dc.description.abstractThe following article presents the damped forced vibration of layered functionally graded thick beams including material porosities. In case of very thick beams, beam theories fail to satisfy boundary conditions and to predict the mechanical response accurately. So, the two-dimensional (2D) plane continuum model is exploited to model a thick functionally graded layered beam. The beam is composed from three- layers with functionally graded porous materials. The porosity is described by three different distribution models through the layer thickness. Applied forces to the functionally graded beam are assumed to be sinusoidal harmonic point load in time domain. The Kelvin-Voigt viscoelastic constitutive model is used to simulate damping effect. The governing equations are obtained by using Lagrange's equations. In frame of finite element analysis, twelve -node 2D plane element is exploited to discretize the space domain of thick beam. In the solution of the dynamic problem, the Newmark average acceleration method is used. Numerical studies illustrate effects of porosity distribution, stacking sequence, and graduation constant on the dynamic responses of layered functionally graded porous thick beams. The results show that the porosity function, stacking sequences and the damping ratio have a vital role in dynamic response of functionally graded beams. The proposed model can be used in nuclear, marine, and aerospace technologies.en_US
dc.identifier.doi10.12989/sss.2021.27.4.669en_US
dc.identifier.endpage689en_US
dc.identifier.issn17381584
dc.identifier.issue4en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage679en_US
dc.identifier.urihttps://hdl.handle.net/20.500.12885/1871
dc.identifier.volume27en_US
dc.identifier.wosqualityN/Aen_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.institutionauthorAkbaş, Şeref Doǧuşcan
dc.language.isoenen_US
dc.publisherTechno-Pressen_US
dc.relation.ispartofSmart Structures and Systemsen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDamped forced vibrationen_US
dc.subjectLayered functionally graded materialsen_US
dc.subjectPorosityen_US
dc.subjectThick beamen_US
dc.titleDamped forced vibration analysis of layered functionally graded thick beams with porosityen_US
dc.typeArticleen_US

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