| 层合圆柱壳体表层局部分层屈曲及其扩展 |
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| 引用本文： | 肖道国, 王熙, 苏丹. 层合圆柱壳体表层局部分层屈曲及其扩展[J]. 固体力学学报, 2002, 23(4): 463-470. doi: 10.3969/j.issn.0254-7805.2002.04.013 |
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| 作者姓名： | 肖道国 王熙 苏丹 |
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| 作者单位： | 上海交通大学工程力学系,上海,200240; 上海交通大学工程力学系,上海,200240; 上海交通大学工程力学系,上海,200240 |
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| 基金项目： | 国家自然科学基金 (19972 0 41)资助项目 |
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| 摘 要： | 应用能量法研究了对称铺层的闭合圆柱形层合壳体的表层局部分层屈曲问题;表层分层形式有三角形、椭圆和双纽线;分析了母层壳、子层壳的几何参数、物理参数同分层屈曲临界应变值之间的关系;给出了子层分层为椭圆的分层扩展的可能发生方向.
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| 关 键 词： | 圆柱形层合壳体 分层屈曲 临界应变 分层扩展 |
| 修稿时间： | 2001-02-06 |
BUCKLING OF NEAR SURFACE LOCAL DELAMINATION AND DELAMINATION EXPANDING IN A CYLINDRICAL LAMINATED SHELL |
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| BUCKLING OF NEAR SURFACE LOCAL DELAMINATION AND DELAMINATION EXPANDING IN A CYLINDRICAL LAMINATED SHELL[J]. Chinese Journal of Solid Mechanics, 2002, 23(4): 463-470. doi: 10.3969/j.issn.0254-7805.2002.04.013 |
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| Authors: | Xiao Daoguo Wang Xi Su Dan |
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| Abstract: | Energy method is applied to study the buckling problem of near surface triangular, elliptical and lemniscated delamination in a symmetric closed cylindrical laminated shell. The relationship between the critical strain and the geometrical and physical parameters of parent laminated shell and sub-laminated shell is analyzed. Moreover, the possible expanding direction of the elliptical delamination is pointed out. |
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| Keywords: | cylindrical laminated shell delamination buckling critical strain delamination expanding |
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