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P. Nawrotzki, W.B. Krätzig and U. Montag

Institute for Statics and Dynamics, Ruhr University Bochum, Bochum, Germany

doi:10.4203/ccp.26.3.2

P. Nawrotzki, W.B. Krätzig, U. Montag, "On Kinematic Instability Phenomena of Elasto-Plastic Shell Structures", in M. Papadrakakis, B.H.V. Topping, (Editors), "Advances in Computational Mechanics", Civil-Comp Press, Edinburgh, UK, pp 83-97, 1994. doi:10.4203/ccp.26.3.2

Abstract

The present contribution is concerned with dynamic stability investigations of Structural responses. Special attention is given to a Finite-Rotation shell theory, its numerical Finite-Element implementation involving elasto-plastic material behaviour, and to computational procedures for the tracing of arbitrary response paths. Occurring instability phenomena can be treated with the help of a fundamental stability concept: Lyapunow exponents quantitatively decide upon local stability properties of fundamental responses. For the characterization of kinetic instability phenomena, such as parametric resonances, flutter, dynamic quasi-bifurcations, or kinetic snap-through behaviour, special classes of qualitative techniques for neighbouring orbits are considered.

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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: 26 ADVANCES IN COMPUTATIONAL MECHANICS Edited by: M. Papadrakakis and B.H.V. Topping Paper III.2 On Kinematic Instability Phenomena of Elasto-Plastic Shell Structures P. Nawrotzki, W.B. Krätzig and U. Montag Institute for Statics and Dynamics, Ruhr University Bochum, Bochum, Germany doi:10.4203/ccp.26.3.2 purchase the full-text of this paper Full Bibliographic Reference for this paper P. Nawrotzki, W.B. Krätzig, U. Montag, "On Kinematic Instability Phenomena of Elasto-Plastic Shell Structures", in M. Papadrakakis, B.H.V. Topping, (Editors), "Advances in Computational Mechanics", Civil-Comp Press, Edinburgh, UK, pp 83-97, 1994. doi:10.4203/ccp.26.3.2 Abstract The present contribution is concerned with dynamic stability investigations of Structural responses. Special attention is given to a Finite-Rotation shell theory, its numerical Finite-Element implementation involving elasto-plastic material behaviour, and to computational procedures for the tracing of arbitrary response paths. Occurring instability phenomena can be treated with the help of a fundamental stability concept: Lyapunow exponents quantitatively decide upon local stability properties of fundamental responses. For the characterization of kinetic instability phenomena, such as parametric resonances, flutter, dynamic quasi-bifurcations, or kinetic snap-through behaviour, special classes of qualitative techniques for neighbouring orbits are considered. 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 £70 +P&P)
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