FORMFINDING ANALYSIS OF FUNICULAR SHELLS USING ECCENTRICITY REDUCTION METHOD

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  • 偏心低減法を用いたフニクラシェルの形状解析

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<p>In our study, we propose a simple novel method to obtain funicular shell forms. In this method, the eccentricity distance of each node is obtained by dividing the bending moment by the membrane force. Then, by moving the shell surface in the normal direction by the eccentric distance, the bending moment in the shell is reduced. By repeating this calculation, a funicular shell can be obtained. We call this method “the eccentricity reduction method.” In the numerical examples, the bending moment almost disappeared in both the arch and shell examples, and the validity of the proposed method is confirmed.</p>

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