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| 复合材料格栅结构稳定性分析 | |
| 引用本文： | 何景轩,何国强,任明法,侯晓.复合材料格栅结构稳定性分析[J].固体火箭技术,2009,32(3). |
| 作者姓名： | 何景轩 何国强 任明法 侯晓 |
| 作者单位： | 1. 西北工业大学航天学院,西安,710072 2. 大连理工大学工业装备结构分析国家重点实验室,大连,116023 3. 中国航天科技集团公司四院,西安,710025 |
| 摘 要： | 推导了复合材料层合壳单元和层合梁单元的切线刚度阵,并给出用于复合材料格栅结构分析的梁壳刚度阵,建立了相应的复合材料格栅壳体结构有限元模型,并对其特征值稳定性的计算进行了研究.考虑了单元剖分大小对结构屈曲临界力和模态波形图的影响,并结合实际情况分析了边界条件变化对结构屈曲稳定性的影响,为工程中复合材料格栅结构的设计提供了有益结论. |
| 关 键 词： | 格栅结构 复合材料壳体 稳定性 有限元 |
Buckling load analysis of composite grid stiffened structure skirts |
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| HE Jing-xuan,HE Guo-qiang,PEN Ming-fa,HOU Xiao.Buckling load analysis of composite grid stiffened structure skirts[J].Journal of Solid Rocket Technology,2009,32(3). | |
| Authors: | HE Jing-xuan HE Guo-qiang PEN Ming-fa HOU Xiao |
| Institution: | 1.Coll.of Astronautics;Northwestern Polytechnical University;Xi'an710072;China;2.State Key Laboratory of Structural Analysis for Industrial Equipment;Dalian University of Technology;Dalian116023;3.The Fourth Academy of CASC;Xi'an710025;China |
| Abstract: | The tangent stiffness matrix of laminate shell element and composite laminate beam element is presented in this paper,and the total stiffness matrix of the beam and shell is given for the analysis of advanced grid stiffened composite shell structure.The linear buckling of the advanced grid stiffened composite shell structure is investigated by the finite element method.The influence of the element size is considered for the buckling critical force and buckling mode of the structure,and different boundary co... |
| Keywords: | grid stiffened structure composite shell buckling finite element |
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