期刊
COMPOSITE STRUCTURES
卷 53, 期 4, 页码 483-491出版社
ELSEVIER SCI LTD
DOI: 10.1016/S0263-8223(01)00061-7
关键词
anisotropic analysis; elasticity solution; laminated composite cylindrical pipe; internal pressure
Composite pipes in this study are composed of multi-layered filament-wound (FW) structures. Each layer of the pipes is assumed to be anisotropy. Based on the three-dimensional (3-D) anisotropic elasticity, an exact elastic solution for stresses and deformations of the pipes under internal pressure is presented. Moreover, detailed stress and strain distributions for three given angle-ply pipe designs are investigated by using the present theory. The shear extension coupling is also considered because the lay-up angles with +phi and -phi layers cannot exist in the same radius. For cylindrical-pressure vessels with different angle-ply pipe, the ratio of applied hoop-to-axial stress in each layer is different. Even if quite a th in-walled pipe, the ratio of hoop-to-axial stress is no longer a constant of 2:1. (C) 2001 Published by Elsevier Science Ltd.
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