轮胎是一个十分复杂的橡胶基复合材料结构,在使用过程中常常发生层间脱层破坏.提出了一种新的复合材料结构中层间脱层裂纹扩展模型,并利用Irwin的虚拟裂纹闭合技术和有限元分析技术对轮胎结构带束层中的层间脱层裂纹扩展过程进行了数值模拟.结果表明,提出的模型能够比较真实地揭示复杂复合材料结构层间脱层裂纹扩展复杂性的特点.
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