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http://dx.doi.org/10.5050/KSNVE.2013.24.3.261

Free Vibrations of Cylindrical Shells on Inclined Partial Elastic Foundation  

Park, Kyung-Jo (Department of Mechanical Design Engineering, Chonnam National University)
Kim, Young-Wann (Department of Mechanical Design Engineering, Chonnam National University)
Publication Information
Transactions of the Korean Society for Noise and Vibration Engineering / v.24, no.3, 2014 , pp. 261-267 More about this Journal
Abstract
The free vibration characteristics of cylindrical shells on inclined partial elastic foundations are investigated by an analytical method. The cylindrical shell is partially surrounded by the elastic foundations, these are represented by the Winkler or Pasternak model. The area of elastic foundation is not uniform and varies along the axial direction of the shell. The motion of shell is represented by first-order shear deformation theory(FSDT) to account for rotary inertia and transverse shear strains. The governing equation is obtained using the Rayleigh-Ritz method and a variation approach. To validate the present method, the numerical example is presented and compared with the present FEA results. The numerical results reveal that the elastic foundation has significant effect on vibration characteristics.
Keywords
Vibration Characteristics; Pasternak Foundation; Inclined Partial Elastic Foundation; FSDT;
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Times Cited By KSCI : 1  (Citation Analysis)
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