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Stochastic seismic response analysis of adjacent buildings coupled by nonlinear viscous dampers

机译：非线性粘滞阻尼器耦合相邻建筑物的随机地震响应分析

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This paper analyses the seismic response of adjacent buildings connected by nonlinear viscous dampers under stochastic base acceleration. The adjacent buildings are modelled as linear elastic multi-degree-of-freedom systems, and the nonlinearity is concentrated in the connecting dampers. A stochastic linearization technique is employed to estimate the stochastic response of the system while accounting for the dampers' nonlinear behaviour.A case study consisting of two adjacent buildings with shear-type behaviour connected by linear or nonlinear viscous dampers is analysed. The performance of the dampers is investigated by considering different response parameters including inter-storey drifts, floor displacements, and floor accelerations of the adjacent structures, as well as dampers' forces. Numerical simulations of the system response are also carried out to evaluate the accuracy of the statistical linearization technique employed in this study.
机译：本文分析了随机基础加速下非线性粘液阻尼器连接的相邻建筑物的地震响应。相邻的建筑物被建模为线性弹性多程度自由度系统，并且非线性集中在连接阻尼器中。采用随机线性化技术来估计系统的随机响应，同时占阻尼器的非线性行为。分析由线性或非线性粘液阻尼器连接的剪切式行为组成的案例研究。通过考虑不同的响应参数，研究了阻尼器的性能，包括跨度漂移，地板位移和相邻结构的地板加速度以及阻尼器的力。还进行了系统响应的数值模拟，以评估本研究中采用的统计线性化技术的准确性。

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