使用一种小尺寸试件试验方法来测量复合材料层合板低速冲击后的剩余压缩强度(CAI),以便减少试验费用,降低材料研制成本和周期.在试验研究的基础上,建立了复合材料低速冲击后剩余压缩强度估算的一种软化夹杂模型.该模型将冲击损伤等效成圆形低刚度的夹杂,用8节点等参元分析层合板的应力应变状态,以点应力准则为压缩破坏判据.理论分析结果与试验对比显示,该模型简单有效.
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