将面板单层及芯层厚度、面板纤维方向角和材料参数作为随机变量,通过编制基于高阶剪切理论的随机有限元程序,对复合材料夹层板的屈曲强度分散性进行了分析,得到了不同铺层方式下夹层板屈曲强度分散系数随纤维方向角及夹层板长厚比的变化规律.并通过对屈曲强度的分散系数进行灵敏度分析,确定了影响分散系数大小的主要因素,从而为材料设计、制造工艺改进和夹层板结构可靠度的提高提供了理论依据.
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