Free Bending Vibrations of Rotating Disks With A Concentric Hole

Olcay Oldac, Mertol Tufekci, Omer Ekim Genel and Ekrem Tufekci
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Olcay Oldac: Istanbul Technical University, Istanbul, Turkey
Mertol Tufekci: Istanbul Technical University, Istanbul, Turkey
Omer Ekim Genel: Istanbul Technical University, Istanbul, Turkey
Ekrem Tufekci: Istanbul Technical University, Istanbul, Turkey

International Journal of Technology and Engineering Studies, 2017, vol. 3, issue 6, 253-263

Abstract: Dynamic behavior of rotating annular disks is the main focus of this study. Solution of governing differential equations of the system is obtained by Galerkin method that includes proposing an approximate function for displacement that satisfies the boundary conditions. Two displacement functions are selected for the solution and the boundary conditions are imposed to obtained the natural frequencies of the rotating disk. It is investigated how the dynamic behavior is affected by the rotation speed of the disk in details and the results are visualized using Campbell diagrams which are drawn using dimensionless geometric parameters. Also the solution method are validated using the results of the related studies in the literature.

Keywords: Rotating Disk; Galerkin Method; Free Transverse Vibration; Campbell Diagrams (search for similar items in EconPapers)
Date: 2017
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Persistent link: https://EconPapers.repec.org/RePEc:apa:ijtess:2017:p:253-263

DOI: 10.20469/ijtes.3.40005-6

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