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给出了导弹翼面结构可靠性预测与可靠性设计的随机有限元摄动矩阵法的基本原理与算式；提出对翼面壁板厚度作可靠性设计的思路，并用ＦＯＲＴＲＡＮ语言编制了可在微机上运行的计算机程序。试算表明：由本文方法得到的结果与试验数据的统计分析结果十分一致。本文的方法可以应用于常用的战术导弹翼面结构的可靠性预测与可靠性设计。
The basic principles and formulas of the stochastic finite element perturbation matrix method for predicting the reliability and reliability of the missile’s airfoil structure are given. The idea of designing the reliability of the thickness of the airfoil’s wall is put forward. Running computer program. Trial calculations show that the results obtained by this method are in good agreement with the statistical analysis of the experimental data. This method can be applied to the reliability prediction and reliability design of the commonly used tactical missile airfoil.