结构可靠度的简捷分析方法

A Simple Method for Structural Reliability Analysis

用一次二阶矩法分析结构可靠度需反复迭代求解。本文提出合理确定迭代初值的方法,以减少迭代次数,加速计算收敛。计算结果表明,采用本文方法可使计算大为简捷。

For structural reliability analysis, Rackwitz and Fiessler Method has to employ iteration. In order to simplify the iterative procedure and to accelerate the convergent speed, this paper presents a method to reasonably establish an initial value for iteration. The calculated examples have shown that the proposed method is very simple and convenient.