非保存力学系の動的挙動と不安定現象に関する研究(その1)従動力を受ける円形アーチ構造のカオス的挙動

福地 信義, 田中 太氏

研究成果: Contribution to journalArticle査読

抄録

The deformation and dynamic behavior mechanism of submerged marine frame structures with circular arches and membrane are in principle of a nonconservative nature as circulatory system, since the follower type hydrostatic pressure works vertically to its deformed surface at all times. Disturbance forces of various types, which are omnipresent in a marine environment, may be the most serious factor and occur complexity for dynamic behavior of a circular arch framework undergoing large deflections.<BR>This paper deals with a characteristic analysis on chaotic dynamics of the circular arch subjected to follower forces. For that purpose, the governing equations for finite deformations and dynamic behavior of the circular arch are defined in a monoclinically convected coordinate description. Therefore, by investigating time histories of motion, phase plane portraits and stability region charts of the disturbed equilibrium in an excitation field, the chaotic behavior of a circular arch is clarified to take an entirely different phase from Duffing system.
寄稿の翻訳タイトルA Characteristic Analysis on Dynamic Stability of Form-resistant Structures in Non-conservative System (Part 1)Chaotic Dynamics of Circular Arch subjected to Follower Forces
本文言語Japanese
ページ(範囲)329-344
ページ数16
ジャーナルNihon Zosen Gakkai Ronbunshu/Journal of the Society of Naval Architects of Japan
185
DOI
出版ステータス出版済み - 6 1999

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