Free vibration analysis of functionally graded cylindrical helices with variable cross-section

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dc.contributor.authorCuma, Yavuz Cetin
dc.contributor.authorCalim, Faruk Firat
dc.date.accessioned2025-01-06T17:38:04Z
dc.date.available2025-01-06T17:38:04Z
dc.date.issued2021
dc.description.abstractThe main purpose of this study is to investigate free vibrations of cylindrical helical rods with variable cross-section, composed of functionally graded materials, which may be used to model environmental effects. The material variation is considered to be along the rod axis. Governing differential equations of the free vibration are obtained via Timoshenko's beam theory, where axial and shear deformations and rotary inertia are taken into consideration. The governing equations are solved numerically by using the transfer matrix method. The effects of cross-section variation (beta(sec)), material gradient index (beta(mat)), helix pitch angle (alpha), and number of active coils (n) on the frequencies are investigated. All results are compared with the ANSYS solutions, in which a very well approximation is achieved. (C) 2020 Elsevier Ltd. All rights reserved.
dc.identifier.doi10.1016/j.jsv.2020.115856
dc.identifier.issn0022-460X
dc.identifier.issn1095-8568
dc.identifier.scopus2-s2.0-85096837317
dc.identifier.scopusqualityQ1
dc.identifier.urihttps://doi.org/10.1016/j.jsv.2020.115856
dc.identifier.urihttps://hdl.handle.net/20.500.14669/2461
dc.identifier.volume494
dc.identifier.wosWOS:000609162200005
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherAcademic Press Ltd- Elsevier Science Ltd
dc.relation.ispartofJournal of Sound and Vibration
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_20241211
dc.subjectFunctionally graded material
dc.subjectFree vibration
dc.subjectCylindrical helical rod
dc.subjectVariable cross-section
dc.titleFree vibration analysis of functionally graded cylindrical helices with variable cross-section
dc.typeArticle

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