| 英文摘要 |
Tuned Mass Damper(TMD) is one of the passive control systems. The natural frequency of the damper is tuned to the fundamental frequency of a structure in order to reduce undesirable vibrations induced to the structure. The theory and application of the optimal design of linear TMD are already rather mature, but the corresponding optimal design of nonlinear TMD is still developing. The goal of this paper is to develop an optimal design theory for a nonlinear TMD implemented in a single-degree-of-freedom structure. The performance of nonlinear TMD is investigated by changing the design parameters such as mass ratio, frequency ratio, damping coefficient and degree of nonlinearity. The feasibility of nonlinear TMD is verified through numerical simulation by using Taipei 101 as a studied case. |
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