摘要
使用Kanai Tajimi地震动模型,建立了主动调谐质量阻尼器(ATMD)结构系统的传递函数。将ATMD最优参数的评价准则定义为:设置ATMD结构均方根位移(解析式)的最小值的最小化。将AT MD有效性的评价准则定义为:设置ATMD结构均方根位移的最小值的最小化与未设置ATMD结构的均方根位移之比。根据选择的评价准则,评价了地震卓越频率系数(EDFR)对ATMD抗震控制性能的影响。同时也评价了EDFR对被动调谐质量阻尼器(PTMD)抗震控制性能的影响。
Employing the Kanai-Tajimi model of ground motions, the transfer function is formulated for the active tuned mass damper (ATMD) structure system. The evaluation criterion for the ATMD optimum parameters can then be defined as the minimization of the minimum root-mean-square (RMS) displacement of the structure with ATMD. The criterion used to evaluate the effectiveness of the ATMD is the ratio of the minimization of the minimum RMS displacement of the structure with ATMD to the RMS displacement of the structure without ATMD. Based on the above-defined evaluation criteria, the evaluation is carried out for the effects of earthquake dominant frequency ratio (EDFR) on the seismic control performance of the ATMD. Simultaneously, the assessment is also carried out for the effects of earthquake dominant frequency ratio (EDFR) on the seismic control performance of the passive tuned mass damper (PTMD).
出处
《地震工程与工程振动》
CSCD
北大核心
2004年第5期105-109,共5页
Earthquake Engineering and Engineering Dynamics
关键词
地震动模型
主动调谐质量阻尼器
ATMD
结构系统
传递函数
active tuned mass damper (ATMD)
passive tuned mass damper (PTMD)
model of ground motions
earthquake resistant performance
earthquake dominant frequency ratio (EDFR)
