Abstract
In this paper, a general method for efficient analysis of spacial plate structures with uniform cross sections is proposed, where strip elements are used as principal strutural elements.Two kinds of methods to evaluate stiffness matrixes of elements other than strip elements, which are necessary to make it possible to analyze spacial plate structures simulated to actual ones as closely as possible, are discussed and a computer program with several kinds of elements stiffness matrixes guided by these ideas was made. By using this program, some models of tank structures were analyzed theoretically and comparing with experiments, the coincidence was good.Moreover, an alternatively loaded tank structure model with bulk carrier type double hull cross section at the floating condition in the still water was analyzed theoretically.
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