综合考虑了基体开裂、基纤剪切、分层及纤维断裂等四种复合材料层合板的主要破坏模式,同时在通用有限元分析软件ANSYS基础上进行二次开发,编制了参数化的分析模拟程序,应用此三维逐渐累积损伤理论和有限元模拟方法,对两种不同铺层参数的含圆孔复合材料层合板在拉伸载荷作用下的逐渐破坏过程进行了分析.结果表明:该程序可以预测任意材料体系和任意铺层参数的层合板在拉伸载荷作用下的逐渐损伤破坏过程及最终失效载荷;与参考文献中的试验结果比较发现,该方法的预测精度较高,验证了其正确性.
参考文献
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