基于扩展有限元方法的复合材料层压板分层扩展模拟

来源 :第二届中国国际复合材料科技大会 (CCCM-2) | 被引量 : 0次 | 上传用户：meteorwei66

【摘要】

：

分层是复合材料层压板中一种较为常见的失效形式，能够导致层压板过早屈曲、过度振动、吸湿、刚度折减以及寿命下降等负面后果。在层压板分层扩展模拟研究中，学者常采用内聚力单元模拟(CZM)或虚拟裂纹闭合技术(VCCT)等方法。但是CZM和VCCT仅适用于扩展路径已知的自相似裂纹扩展，如单向层压板分层，而无法揭示多向层压板中更为复杂的分层现象。

【作者】

：

支杰张建宇赵丽滨

【机构】

：

北京航空航天大学宇航学院,北京100191;上海飞机设计研究院,上海,201210 重庆大学航空航

【出处】

：

第二届中国国际复合材料科技大会 (CCCM-2)

【发表日期】

：

2015年7期

【关键词】

：

分层扩展有限元裂纹扩展分层迁移

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基于扩展有限元方法的复合材料层压板分层扩展模拟

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