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首页> 外文期刊>International Journal of Solids and Structures >FATIGUE CRACK GROWTH IN FIBER METAL LAMINATES
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FATIGUE CRACK GROWTH IN FIBER METAL LAMINATES

机译:纤维金属层压板的疲劳裂纹增长

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摘要

The fatigue behavior of cracked fiber-metal laminates containing residual stresses is studied. A finite element model employing special interface elements is developed for this study. The use of the interface element allows the simulation to be completed in a single finite element analysis conducted within the limitations of elasticity theory. The effect of crack closure at the crack tip in the aluminum layer is included in the model. Numerical examples are presented for unstretched and stretched ARALL-1 laminates. The results obtained from the finite element model are compared with experimental results. Good agreement between these results supports the validity of the present model. [References: 12]
机译:研究了含残余应力的裂纹纤维-金属层压板的疲劳行为。为此研究开发了采用特殊接口元素的有限元模型。界面单元的使用允许在弹性理论的限制下进行的单个有限元分析中完成模拟。该模型包括铝层裂纹尖端处的裂纹闭合效果。给出了未拉伸和拉伸的ARALL-1层压板的数值示例。从有限元模型获得的结果与实验结果进行了比较。这些结果之间的良好一致性支持了本模型的有效性。 [参考:12]

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