【摘要】 提出了基于刚度 -阻尼器主动多重调谐质量阻尼器 (SD -AMTMD)新模型。利用导出的设置SD -AMTMD结构的传递函数 ,建立了设置SD -AMTMD结构的动力放大系数。于是SD -AMTMD最优参数和有效性的评价准则定义为 :设置SD -AMTMD结构最大动力放大系数中最小值的最小化。SD -AMTMD冲程的评价准则定义为 :SD -AMTMD的最大动力放大系数。基于定义的评价准则 ,研究了刚度比对SD -AMTMD最优参数、有效性和冲程的影响。为比较 ,同时考虑了AMTMD(即零刚度比的SD -AMTMD)的数值结果。更多还原

【Abstract】 New modeling of stiffness-dashpot based Active Multiple Tuned Mass Dampers(SD-AMTMD)is proposed in the present paper.Employing the derived transfer function of the structure with SD-AMTMD,the dynamic magnification factor of the structure with SD-AMTMD is formulated.The assessment criterion of optimum parameters and effectiveness of SD-AMTMD is defined as the minimization of minimum values of maximum dynamic magnification factors of the structure with SD-AMTMD.The criterion used to evaluate the SD-AMTMD stroke is the maximum dynamic magnification factors of SD-AMTMD.Parametric studies of the effects of the stiffness ratio are then carried out on the optimum parameters,effectiveness,and stroke of SD-AMTMD using the assessment criterion defined above.For the purpose of comparison,the numerical results of AMTMD,namely SD-AMTMD with the stiffness ratio equal to zero,are also taken into consideration.更多还原