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D. Touati and G. Cederbaum

The Pearlstone Centre for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel

doi:10.4203/ccp.55.5.2

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D. Touati, G. Cederbaum, "Post Buckling Analysis of Schapery Columns", in B.H.V. Topping, (Editor), "Advances in Computational Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 93-99, 1998. doi:10.4203/ccp.55.5.2

Abstract

The postbuckling behavior of imperfect columns made of a nonlinear viscoelastic material is investigated. The material is modeled according to the Schapery representation of nonlinear viscoelasticity. Solutions are developed to calculate the growth of the initial imperfection in time and within the elastica. The numerical results show that unlike the case of the post-buckling analysis of linear elastic or viscoelastic materials, here the ratio of h/l plays an important part in the structure response. It is shown that the postbuckling behavior of columns made of nonlinear viscoelastic materials is qualitatively and quantitatively betters then in the linear viscoelastic case. Conclusions concerning creep buckling within the small deflection theory are also presented.

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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: 55 ADVANCES IN COMPUTATIONAL STRUCTURAL MECHANICS Edited by: B.H.V. Topping Paper V.2 Post Buckling Analysis of Schapery Columns D. Touati and G. Cederbaum The Pearlstone Centre for Aeronautical Engineering Studies, Department of Mechanical Engineering, Ben-Gurion University of the Negev, Beer Sheva, Israel doi:10.4203/ccp.55.5.2 purchase the full-text of this paper Full Bibliographic Reference for this paper D. Touati, G. Cederbaum, "Post Buckling Analysis of Schapery Columns", in B.H.V. Topping, (Editor), "Advances in Computational Structural Mechanics", Civil-Comp Press, Edinburgh, UK, pp 93-99, 1998. doi:10.4203/ccp.55.5.2 Abstract The postbuckling behavior of imperfect columns made of a nonlinear viscoelastic material is investigated. The material is modeled according to the Schapery representation of nonlinear viscoelasticity. Solutions are developed to calculate the growth of the initial imperfection in time and within the elastica. The numerical results show that unlike the case of the post-buckling analysis of linear elastic or viscoelastic materials, here the ratio of h/l plays an important part in the structure response. It is shown that the postbuckling behavior of columns made of nonlinear viscoelastic materials is qualitatively and quantitatively betters then in the linear viscoelastic case. Conclusions concerning creep buckling within the small deflection theory are also presented. 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 £95 +P&P)
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