航空学报 > 1995, Vol. 16 Issue (4): 101-104

多个设计点安全边界方程的重要抽样函数

吕震宙, 冯元生   

  1. 西北工业大学飞机工程系
  • 收稿日期:1993-01-08 修回日期:1994-08-05 出版日期:1995-08-25 发布日期:1995-08-25

AN IMPORTANCE SAMPLING FUNCTION FOR COMPUTING FAILURE PROBABILITY OF A LIMIT STATE EQUATION WITH MULTIPLE DESIGN POINTS

Lu Zhenzhou, Feng Yuansheng   

  1. Dep.of Aircraft Engineering, Nothwestern Polytechnique University, Xi′an,710072
  • Received:1993-01-08 Revised:1994-08-05 Online:1995-08-25 Published:1995-08-25

摘要: 提出了一种新的适用于具有多个设计点的安全边界方程失效概率计算的重要抽样函数,其抽样估计值的方差小于现有方法,收敛速度也较现有方法快,抽样效率为50%左右,且估计值收敛于真实值。

Abstract: A new importane sapling function for computing failure probability f a limit state equation with multiple design points is presented. The efficiency, accuracy and versatility of this method are addressed.

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