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A.P.F. Little and C.T.F. Ross

Department of Mechanical and Manufacturing Engineering, University of Portsmouth, England

doi:10.4203/ccp.58.8.5

A.P.F. Little, C.T.F. Ross, "The Buckling of a Carbon-Fibre Corrugated Circular Cylinder under External Hydrostatic Pressure", in B.H.V. Topping, B. Kumar, (Editors), "Computer Techniques for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 189-195, 1999. doi:10.4203/ccp.58.8.5

Abstract

A corrugated carbon fibre circular cylinder has been tested under external pressure. The buckling characteristics were predicted with a finite element program which used axisymmetric truncated conical elements. The cylinder buckled in a lobar manner, showing four distinct lobes, which was predicted by the finite element program. The actual buckling pressure was slightly lower than the finite element predictions, due to initial geometric aberrations. An equivalent cylinder was defined using compound beam theory, which allowed compensation to be made for the out-of-roundness. This brought the theoretical and experimental results closer still. Empirical buckling formulae were applied to the equivalent cylinder, and found to be over optimistic.

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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: 58 COMPUTER TECHNIQUES FOR CIVIL AND STRUCTURAL ENGINEERING Edited by: B.H.V. Topping and B. Kumar Paper VIII.5 The Buckling of a Carbon-Fibre Corrugated Circular Cylinder under External Hydrostatic Pressure A.P.F. Little and C.T.F. Ross Department of Mechanical and Manufacturing Engineering, University of Portsmouth, England doi:10.4203/ccp.58.8.5 purchase the full-text of this paper Full Bibliographic Reference for this paper A.P.F. Little, C.T.F. Ross, "The Buckling of a Carbon-Fibre Corrugated Circular Cylinder under External Hydrostatic Pressure", in B.H.V. Topping, B. Kumar, (Editors), "Computer Techniques for Civil and Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 189-195, 1999. doi:10.4203/ccp.58.8.5 Abstract A corrugated carbon fibre circular cylinder has been tested under external pressure. The buckling characteristics were predicted with a finite element program which used axisymmetric truncated conical elements. The cylinder buckled in a lobar manner, showing four distinct lobes, which was predicted by the finite element program. The actual buckling pressure was slightly lower than the finite element predictions, due to initial geometric aberrations. An equivalent cylinder was defined using compound beam theory, which allowed compensation to be made for the out-of-roundness. This brought the theoretical and experimental results closer still. Empirical buckling formulae were applied to the equivalent cylinder, and found to be over optimistic. 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 £74 +P&P)
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