FORM-FINDING ANALYSIS OF HANGING MEMBRANE USING HORIZONTAL MEMBRANE STRESS DISTRIBUTION BY FINITE ELEMENT STRESS ANALYSIS

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  • FEM解析から得られる水平膜力分布を用いた吊り下げ膜の形状解析

Abstract

<p>This paper proposes a simple method to obtain equilibrium membrane forms under the self-weight. The horizontal component of the membrane forces determined by the finite element analysis of an initial shell form is given as the known membrane stress distribution in the form-finding analysis. The form of the hanging membrane can be obtained by modifying the nodal z coordinates to be in equilibrium for the self-weight while maintaining the horizontal membrane stress distribution. Several numerical examples are presented to demonstrate the effectiveness of the proposed method.</p>

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