Beam-Column and Tie-Bar Effects in Internally Pressurized Thin Arbitrarily Laminated Cantilever Cylindrical Shells
Publication: Journal of Engineering Mechanics
Volume 141, Issue 3
Abstract
An arbitrarily laminated, anisotropic cantilever cylindrical shell of finite length, under uniform internal pressure, is analyzed using kinematic relations under the framework of classical lamination theory. Extensive numerical results are presented for two model problems, pertaining to two-layer, asymmetrically laminated, anisotropic cantilever cylindrical shells, illustrating the influence of layer anisotropy and lamination sequence on the beam-column/tie-bar effects, which, in turn, severely affect the free-end displacements and other response quantities of interest. Furthermore, because the beam-column effect can cause severe wrinkling in a thin asymmetrically laminated cylindrical shell, the possibility of its elimination through composite tailoring (a combination of stacking sequence and fiber orientation angle in a constituent lamina) has also been explored. Finally, the effect of length-to-radius ratio is also numerically investigated.
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Acknowledgments
This research was performed during the first author’s summer research contract at the Centre for Marine Technology and Engineering, Instituto Superior Tecnico, University of Lisbon, Lisbon, Portugal, which was financed by the Centre for Marine Technology and Engineering from the annual funding received from the Fundação para a Ciência e Tecnologia, Portugal. The second author was also funded by the Fundação para a Ciência e Tecnologia, Portugal, under contract No. SFRH/BPD/47687/2008.
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© 2014 American Society of Civil Engineers.
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Received: May 20, 2013
Accepted: Jul 8, 2014
Published online: Aug 28, 2014
Published in print: Mar 1, 2015
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