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Lookup NU author(s): Dr Hao Song
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Considering that the thickness of a pontoon-type very large floating structure (VLFS) is very small in comparison with the length and width, VLFS can be modeled as a thin plate. In theory, the displacements and the membrane forces of a plate with large deflection are all the functions of the second-order differentials of the Ariy stress function. With these characteristics considered, the Ariy stress function of a floating free-free plate is calculated by setting the virtual values of three of the corner points. The finite difference method is chosen to solve the problem. When the Ariy stress function of the plate is obtained, the membrane forces can easily be calculated. Comparisons between the forces induced by the membrane forces and by the fluid are considered. It is shown that the membrane forces can not be neglected in many cases.
Author(s): Chen XJ, Cui WC, Song H, Tang XF
Publication type: Article
Publication status: Published
Journal: China Ocean Engineering
Year: 2003
Volume: 17
Issue: 2
Pages: 163-176
Print publication date: 01/01/2003
ISSN (print): 0890-5487
Publisher: China Ocean Press
URL: http://d.wanfangdata.com.cn/Periodical_zghygc-e200302002.aspx
