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Design optimization of friction damper with coupling mechanism for seismic response of base isolated structure
Author(s): 
Pages: 201-206
Year: Issue:  2
Journal: Journal of Vibration Engineering

Keyword:  base isolated structurefriction damperparameter optimizationvibration control;
Abstract: 为了避免和减轻由过大的隔震层位移引起的损害,提出了一种控制隔震层位移的新型阻尼器—连接摩擦阻尼器.介绍了阻尼器的构造和工作原理,并对其参数进行优化设计.将连接摩擦阻尼器作为大震时控制隔震层过大位移的安全装置来考虑,以一栋2层的滑移隔震木结构住宅为例,采用序列二次规划法对阻尼器的参数进行优化设计.构造参数优化目标函数和约束条件,求得连接摩擦阻尼器参数最优解.通过算例应用表明该方法在连接摩擦阻尼器减震设计过程中具有较强的实用性和有效性.
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