Vibration analysis of free-fixed hyperbolic cooling tower shells
- Authors
- Kang, Jae Hoon
- Issue Date
- Aug-2015
- Publisher
- TECHNO-PRESS
- Keywords
- cooling tower; hyperbolic shell; free vibration; Legendre polynomials
- Citation
- STRUCTURAL ENGINEERING AND MECHANICS, v.55, no.4, pp 785 - 799
- Pages
- 15
- Journal Title
- STRUCTURAL ENGINEERING AND MECHANICS
- Volume
- 55
- Number
- 4
- Start Page
- 785
- End Page
- 799
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/9217
- DOI
- 10.12989/sem.2015.55.4.785
- ISSN
- 1225-4568
1598-6217
- Abstract
- A three-dimensional (3-D) method of analysis is presented for determining the free vibration frequencies of hyperboloidal shells free at the top edge and clamped at the bottom edge like a hyperboloidal cooling tower by the Ritz method based upon the circular cylindrical coordinate system instead of related 3-D shell coordinates which are normal and tangent to the shell midsurface. The Legendre polynomials are used as admissible displacements. Convergence to four-digit exactitude is demonstrated. Natural frequencies from the present 3-D analysis are also compared with those of straight beams with circular cross section, complete (not truncated) conical shells, and circular cylindrical shells as special cases of hyperboloidal shells from the classical beam theory, 2-D thin shell theory, and other 3-D methods.
- Files in This Item
- There are no files associated with this item.
- Appears in
Collections - College of Engineering > School of Architecture and Building Science > 1. Journal Articles
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.