将连续介质损伤力学的分析计算方法与复合材料层合板无损伤接触问题的分析相结合,分析了层合板在接触载荷作用下的损伤问题.采用逆解法得到复合材料层合板无损伤接触问题的解.在进行接触损伤分析时,考虑到实际应用中层合板的层间相对容易发生损伤,同时为了简单起见,不计复合材料铺层的损伤演化,只计层间胶层的损伤,并将层间胶层的损伤演化视为各向同性.通过胶层材料的疲劳性能实验曲线拟合得到损伤演化参数.采用附加载荷法与迭代法求解层合板接触损伤分析时应力场与损伤场的互耦问题,得到了层间胶层的损伤度分布及应力分布.计算结果显示,该方法收敛性好,求解简单.
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