| 铝合金夹心板结构极限承载能力有限元分析 |
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| 引用本文： | 夏契,林铸明,王德禹.铝合金夹心板结构极限承载能力有限元分析[J].船舶力学,2005,9(5):76-82. |
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| 作者姓名： | 夏契 林铸明 王德禹 |
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| 作者单位： | 上海交通大学船舶海洋与建筑工程学院海洋工程国家重点实验室,上海,200030;总装工程兵科研一所,江苏,无锡,214035 |
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| 摘 要： | 随着新材料及新型结构的不断出现,以往的线性理论已不能满足现代工程设计的需要.本文利用MSC.NASTRAN的弧长法对一种新型铝合金夹心板结构进行了极限承载能力有限元分析,跟踪出了其屈曲平衡路径以及破坏模式.为验证有限元模拟的准确性,对结构进行了静载强度模型试验.研究结果表明,计算结果与试验符合较好.
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| 关 键 词： | 铝合金 夹心板 极限强度 有限元 |
| 文章编号： | 1007-7294(2005)05-0076-07 |
| 收稿时间： | 2005-02-17 |
| 修稿时间： | 2005年2月17日 |
Finite element analysis on ultimate strength of an aluminum alloy sandwich panel |
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| XIA Jie,LIN Zhu-ming,WANG De-yu.Finite element analysis on ultimate strength of an aluminum alloy sandwich panel[J].Journal of Ship Mechanics,2005,9(5):76-82. |
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| Authors: | XIA Jie LIN Zhu-ming WANG De-yu |
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| Abstract: | With appearance of new materials and new-type structures,it is impossible for the traditional linear theory to satisfy the requirement of modern engineering structures design.In this paper,3 arc-length methods were applied to a new-type aluminum alloy sandwich panel whose buckling equilibrium path and failure mode were tracked.In order to verify the finite element simulation,the same deformation process was experimentally investigated.It turns out that the FEM results agree with the experiment well. |
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| Keywords: | aluminum alloy sandwich panel ultimate strength finite element method |
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