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C.T.F. Ross, A. Gill-Carson, "The Plastic Buckling of Varying Thickness Circular Cylinders under External Hydrostatic Pressure", in B.H.V. Topping, (Editor), "Advances in Civil and Structural Engineering Computing for Practice", Civil-Comp Press, Edinburgh, UK, pp 317-322, 1998. doi:10.4203/ccp.56.9.1

Abstract

The paper presents a theoretical and an experimental investigation on three varying thickness circular cylinders, which were tested to destruction under external hydrostatic pressure. The four buckling theories that were presented were based on inelastic shell instability and plastic knockdown factors. Two of these inelastic buckling theories adopted the finite element method and the other two theories were based on a modified version of the much simpler von Mises theory. Comparison between experiment and theory showed that one of the inelastic buckling theories that was based on the von Mises buckling pressure gave very good results while the finite element solutions which adopted experimentally obtained plastic knockdown factors were rather poor in predicting the observed buckling pressures.

Electrical resistance strain gauges were used to monitor the collapse mechanisms and these revealed that collapse occurred in the regions of the highest values of hoop stress.

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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: 56 ADVANCES IN CIVIL AND STRUCTURAL ENGINEERING COMPUTING FOR PRACTICE Edited by: B.H.V. Topping Paper IX.1 The Plastic Buckling of Varying Thickness Circular Cylinders under External Hydrostatic Pressure C.T.F. Ross and A. Gill-Carson Department of Mechanical and Manufacturing Engineering, The University of Portsmouth, United Kingdom doi:10.4203/ccp.56.9.1 purchase the full-text of this paper Full Bibliographic Reference for this paper C.T.F. Ross, A. Gill-Carson, "The Plastic Buckling of Varying Thickness Circular Cylinders under External Hydrostatic Pressure", in B.H.V. Topping, (Editor), "Advances in Civil and Structural Engineering Computing for Practice", Civil-Comp Press, Edinburgh, UK, pp 317-322, 1998. doi:10.4203/ccp.56.9.1 Abstract The paper presents a theoretical and an experimental investigation on three varying thickness circular cylinders, which were tested to destruction under external hydrostatic pressure. The four buckling theories that were presented were based on inelastic shell instability and plastic knockdown factors. Two of these inelastic buckling theories adopted the finite element method and the other two theories were based on a modified version of the much simpler von Mises theory. Comparison between experiment and theory showed that one of the inelastic buckling theories that was based on the von Mises buckling pressure gave very good results while the finite element solutions which adopted experimentally obtained plastic knockdown factors were rather poor in predicting the observed buckling pressures. Electrical resistance strain gauges were used to monitor the collapse mechanisms and these revealed that collapse occurred in the regions of the highest values of hoop stress. 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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