Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/7963
Title: Flat-topped conical shell under axial compression
Authors: Xue, P
Yu, TX
Tao, XM 
Keywords: Flat-topped conical shell
Knitted textile composite
Large deformation mechanism
Load-displacement
Plasticity
Issue Date: 2001
Publisher: Pergamon Press
Source: International journal of mechanical sciences, 2001, v. 43, no. 9, p. 2125-2145 How to cite?
Journal: International journal of mechanical sciences 
Abstract: Based on experimental observations of a grid-domed textile composite under axial compression, the large deformation mechanisms of a flat-topped conical shell are identified. Accordingly, both elastic model and rigid-plastic model are proposed to describe the collapse process and predict the load-displacement characteristics. In the rigid-plastic analysis, the energies dissipated in bending along plastic hinge lines and in stretching of the thin-wall segments between the plastic hinge lines are taken into account. Analytical expressions describing the load-displacement and energy-displacement relationships during the large deformation process are derived. Illustrated by typical numerical examples, the effects of apical angle of a flat-topped conical shell on its energy absorption capacity are revealed. The respective strain distributions on the conical shell resulted from bending deformation and membrane deformation are presented. A good agreement is shown between the theoretical predictions and experimental results.
URI: http://hdl.handle.net/10397/7963
ISSN: 0020-7403
EISSN: 1879-2162
DOI: 10.1016/S0020-7403(01)00032-7
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