Calculation of the eigenfrequencies for an infinite circular cylinder | Zendy

Kyungmin Baik | Zendy; Jungsoo Ryue | Zendy; Ku-Kyun Shin | Zendy

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Calculation of the eigenfrequencies for an infinite circular cylinder

Author(s) -

Kyungmin Baik,

Jungsoo Ryue,

Ku-Kyun Shin

Publication year - 2016

Publication title -

the journal of the acoustical society of korea

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.162

H-Index - 2

eISSN - 2287-3775

pISSN - 1225-4428

DOI - 10.7776/ask.2016.35.1.016

Subject(s) - cylinder , mathematics , physics , mathematical analysis , geometry , acoustics

Present study shows three different methods finding the eigenfrequencies of an infinite circular cylinder under free-vibration; Elasticity theory that can be applied to general case, thin-shell theory that can be effectively applied to the cylinders with small thickness, and numerical study using Finite Element Method (FEM). The results obtained from those methods were verified through the cross check among the calculations. Changing the thickness of the cylinder for a fixed outer radius, all the eigenfrequencies below 1 kHz were found and their dependences on the modal index and the thickness were observed.

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