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含孔层合板孔口缝合补强的数值模拟

, PP. 148-153

Keywords: 含孔层板,缝合补强,缝合线模型,应变集中,缝合参数

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Abstract:

提出一种缝合线计算模型,通过数值模拟计算和实验结果比较,得到缝合线计算模型中相关的弹性参数。对复合材料开口缝合补强结构进行了有限元模拟计算,分析讨论了孔边及邻近区域应变的分布规律,并计算出应变集中因子。研究了不同缝合参数(针距、行距、边距、缝合线直径、缝合线模量)对孔边应变集中的影响,给出了合理的孔口缝合参数设计方法。

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