基于Ghosh提出的Voronoi单元有限元方法,构造能够反映颗粒增强复合材料基体和夹杂界面产生脱层的新单元,结合网格重划分技术,模拟含任意随机分布夹杂的复合材料界面开裂的力学性能.为了分析夹杂和基体之间脱层对细观结构演化和宏观性能的影响,采用了临界节点移动技术.编制的有限元程序,能够描述界面逐步脱离过程和应力场的变化.计算实例和普通有限元方法进行比较,证明其精度完全符合要求.
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