航空学报 > 1993, Vol. 14 Issue (7): 342-347

桁架结构系统可靠度的敏度分析

蔡荫林, 顾海涛   

  1. 哈尔滨船舶工程学院航天工程系,哈尔滨 150001
  • 收稿日期:1992-01-08 修回日期:1992-07-21 出版日期:1993-07-25 发布日期:1993-07-25

SENSITIVITY ANALYSIS FOR THE RELIABILITY OF TRUSS STRUCTURAL SYSTEM

Cai Yin-lin, Gu Hai-tao   

  1. Department of Aerospace Engineering, Harbin Shipbuilding Engineering Institute, Harbin, 150001
  • Received:1992-01-08 Revised:1992-07-21 Online:1993-07-25 Published:1993-07-25

摘要: 基于结构系统可靠性分析的高精度公式和PNET法,导出了桁架结构系统可靠度的敏度分析表达式。算例表明本文导出的敏度分析表达式是正确而有效的。从而使高效率地进行基于可靠性的结构优化设计成为可能。

关键词: 结构系统, 可靠度, 敏度分析

Abstract: Based on the high accuracy formula and PNET method, the expressions of sensitivity analysis for truss structural system reliability are derived in this paper. Computational results for some examples show that the expressions of sensitivity analysis derived by this paper are correct and effective, thus making it possible for the optimal reliability based design to be carried on with high efficiency.

Key words: structural system, reliability, sensitivity analysis