综述了消除复合材料界面裂纹应力奇异性及求解界面模态混合度的主要方法,分析讨论了各个方法的优缺点.通过分析讨论发现:模态混合度表征界面力学性能可以准确地描述界面裂纹尖端处各应变能释放率分量的振荡特性;求解与裂纹扩展长度无关的各应变能释放率分量及模态混合度是研究复合材料界面裂纹问题的难点;采用混合模态界面力学性能试验方法验证基于正则化长度等求解模态混合度方法的有效性,进而准确预测复合材料分层的发生及扩展是今后研究复合材料界面力学问题的发展方向.
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