应用商业有限元软件ABAQUS中的内聚单元,对后屈曲诱发的复合材料整体加筋板的缘条/蒙皮界面的失效进行了分析.基于有限元结果,提出了缘条/蒙皮界面内力的提取方法并研究了其变化规律.为了研究缘条/蒙皮刚度比对界面失效的影响以及失效时界面内力之间的关系,以缘条厚度为参数进行参数化建模,给出了界面脱胶的失效准则和失效包线.最后对缘条/蒙皮厚度比和刚度比提出了设计建议.
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