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Stochastic seismic response analysis of structures exhibiting high nonlinearity

机译:高非线性结构的随机地震响应分析

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A physical stochastic ground motion model and the extended Bouc-Wen model are incorporated into the probability density evolution method for stochastic seismic response analysis of structures exhibiting high nonlinearity. Fundamentals and numerical algorithms for the synthesized method are described. Case studies demonstrate that coupling of nonlinearity and randomness will greatly change the response characteristics of the structure. The popular viewpoint that randomness of structural parameters is trivial compared to that of excitations is overthrown. Besides, whether localization or dispersion of nonlinearity will occur in the structure depends mainly on the configuration of the structural parameters.
机译:将物理随机地面运动模型和扩展的Bouc-Wen模型合并到概率密度演化方法中,以对具有高非线性的结构进行随机地震响应分析。描述了合成方法的基本原理和数值算法。案例研究表明,非线性和随机性的耦合将极大地改变结构的响应特性。人们普遍认为结构参数的随机性与激励的随机性相比是微不足道的。此外,结构中是否会发生非线性的局域性或分散性主要取决于结构参数的配置。

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