| 复合材料加筋板在剪切载荷下的屈曲特性研究 |
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| 引用本文： | 王平安,矫桂琼,王波,卢智先.复合材料加筋板在剪切载荷下的屈曲特性研究[J].机械强度,2009,31(1). |
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| 作者姓名： | 王平安 矫桂琼 王波 卢智先 |
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| 作者单位： | 1. 西北工业大学,力学与土木建筑学院,西安,710072
2. 西北工业大学,航空学院,西安,710072 |
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| 摘 要： | 通过对复合材料薄壁加筋板结构进行剪切载荷下的屈曲试验研究,得到结构的屈曲模态、屈曲失稳载荷以及破坏形式,并通过有限元方法对结构的屈曲进行数值分析,分析得到的复合材料薄壁加筋板结构的屈曲模态和试验结果一致,屈曲载荷与试验结果吻合较好.试验还发现复合材料薄壁加筋板结构有较高的后屈曲承载能力,后屈曲过程中由于桁条脱胶会造成屈曲模态的变化.还分析了筋条的连续性对屈曲载荷的影响.
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| 关 键 词： | 复合材料加筋板结构 屈曲模态 屈曲失稳载荷 有限元分析 |
BUCKLING PERFORMANCE ANALYSIS OF STIFFENED COMPOSITE PLATE UNDER SHEAR LOADING |
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| WANG PingAn,JIAO GuiQiong,WANG Bo,LU ZhiXian.BUCKLING PERFORMANCE ANALYSIS OF STIFFENED COMPOSITE PLATE UNDER SHEAR LOADING[J].Journal of Mechanical Strength,2009,31(1). |
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| Authors: | WANG PingAn JIAO GuiQiong WANG Bo LU ZhiXian |
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| Affiliation: | WANG PingAn1 JIAO GuiQiong1 WANG Bo1 LU ZhiXian2 |
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| Abstract: | In order to investigate buckling mode,buckling load and failure mode of structure,shear experiments were conducted for stiffened thin-walled composite plate.Finite element method was also used to analyze the buckling behavior of that composite structure.Analysis results reveal buckling mode and buckling loading of finite element analysis(FEA) are accordable with experimental results.Experiment results also reveal that stiffened thin-walled composite plate can bear greater load after buckling.And buckling mo... |
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