ヒステリシス特性を有する多自由度構造系の不規則振動解析
1993 年 59 巻 559 号 p. 644-649
詳細
1993 年 59 巻 559 号 p. 644-649
A method to estimate the stochastic response of hysteretic structures under combined random loads regarded as Gaussian white noise is investigated. The response statistical moments of structures, with hysteretic characteristics approximated by Wen's mathematical model, are obtained by using the Fokker-Planck equation method with a cumulant truncation technique. This paper deals with the formulation for the multi-degree-of-freedom system, and demonstrates that resulting variances of the response for a three-degree-of-freedom structure, as a numerical example, agree well with a Monte Carlo simulation.
