The Structural Behavior of a Huge Pontoon-Typed Structure under Dynamic Loads

Autor:	Toichi Fukasawa, Mitsuhiro Sekihara, Yoichi Hattori, Hirofumi Azuma
Rok vydání:	1995
Předmět:	Engineering business.industry Plane (geometry) Minor (linear algebra) Structure (category theory) Structural engineering business Finite element method Beam (structure)
Zdroj:	Journal of the Society of Naval Architects of Japan. 1995:399-403
ISSN:	1884-2070 0514-8499
DOI:	10.2534/jjasnaoe1968.1995.178_399
Popis:	Recently huge floating structures such as floating airports with length of a few kilo-meters are under planning. Those structures are relatively very thin compared with their plane areas. The study on the structural behavior of such huge floating structures under dynamic loads like wave loads were carried out by Toki and Ende. Most of the researches so far, however, took up structures with footings instead of bare pontoon-typed structures which are more fundamental in shape. In this paper authors first summarized Toki's solution in a more comprehensible form with due corrections of minor mistakes.Then authors applied the formulas to a pontoon-typed floating structure.Finally authors replaced the same structure with an equivalent rectangular flat plate to apply finite element method.The obtained modes and natural circular frequencies were compared with those of a beam analysis.
Databáze:	OpenAIRE
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