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G.T. Michaltsos, D.S. Sophianopoulos and T.G. Konstandakopoul

Institute for Structural Analysis and Steel Bridges, National Technical University of Athens, Athens, Greece

doi:10.4203/ccp.54.8.1

G.T. Michaltsos, D.S. Sophianopoulos, T.G. Konstandakopoul, "Non-Linear Buckling Response of a Conical Shell Panel", in B.H.V. Topping, (Editor), "Advances in Finite Element Procedures and Techniques", Civil-Comp Press, Edinburgh, UK, pp 239-246, 1998. doi:10.4203/ccp.54.8.1

Abstract

In this study the non-linear static, as well as dynamic, response of a conical shell panel, is simulated via a spring-mass, geometrically imperfect dissiptive model, with three degrees of freedom. The red structure experiences in the most common cases a limit point instability implying dynamic snap-through buckling, a feature which is successfully captured by the proposed model. Under a step loading of infinite duration the system buckles dynamically through a saddle (or its neighbourhood) of the unstable postbuckling physical equilibrium path, exhibiting in the presence of damping a point attractor response (bounded motion), on remote stable equilibrium positions. The criterion of zero total potential energy, yields very good (lower bound) dynamic buckling estimates with great importance for structural design purposes.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 54 ADVANCES IN FINITE ELEMENT PROCEDURES AND TECHNIQUES Edited by: B.H.V. Topping Paper VIII.1 Non-Linear Buckling Response of a Conical Shell Panel G.T. Michaltsos, D.S. Sophianopoulos and T.G. Konstandakopoul Institute for Structural Analysis and Steel Bridges, National Technical University of Athens, Athens, Greece doi:10.4203/ccp.54.8.1 purchase the full-text of this paper Full Bibliographic Reference for this paper G.T. Michaltsos, D.S. Sophianopoulos, T.G. Konstandakopoul, "Non-Linear Buckling Response of a Conical Shell Panel", in B.H.V. Topping, (Editor), "Advances in Finite Element Procedures and Techniques", Civil-Comp Press, Edinburgh, UK, pp 239-246, 1998. doi:10.4203/ccp.54.8.1 Abstract In this study the non-linear static, as well as dynamic, response of a conical shell panel, is simulated via a spring-mass, geometrically imperfect dissiptive model, with three degrees of freedom. The red structure experiences in the most common cases a limit point instability implying dynamic snap-through buckling, a feature which is successfully captured by the proposed model. Under a step loading of infinite duration the system buckles dynamically through a saddle (or its neighbourhood) of the unstable postbuckling physical equilibrium path, exhibiting in the presence of damping a point attractor response (bounded motion), on remote stable equilibrium positions. The criterion of zero total potential energy, yields very good (lower bound) dynamic buckling estimates with great importance for structural design purposes. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £75 +P&P)
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