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CAI Guo-ping, SUN Feng, HUANG Jin-zhi, WANG Chao. CHARACTERISTIC ANALYSIS OF MTMD FOR SEISMICALLY EXCITED STRUCTURES[J]. Engineering Mechanics, 2000, 17(3): 55-59.
Citation: CAI Guo-ping, SUN Feng, HUANG Jin-zhi, WANG Chao. CHARACTERISTIC ANALYSIS OF MTMD FOR SEISMICALLY EXCITED STRUCTURES[J]. Engineering Mechanics, 2000, 17(3): 55-59.
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CHARACTERISTIC ANALYSIS OF MTMD FOR SEISMICALLY EXCITED STRUCTURES

  • Shanghai Jiaotong University, Shanghai 200030;2. Xi'an Jiaotong University, Xi'an 710049

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  • Received Date: January 11, 1999
  • Revised Date: June 10, 1999
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  • This paper is concemed with the dynamic behavior of building structures consisting of multiple tuned mass dampers (MTMD) under harmonic excitation. Comparison is made between MTMD and tuned mass damper (TMD). The structure is modeled as a single degree-of-freedom system. MTMD are joined in parallel and each TMD has the same mass and damping ratio. The natural frequencies of MTMD are assumed to be equally distribued. It is found that the frequency range, the damping ratio and the total number of tuned mass dampers are dominant parmeters of the system for a given mass ratio . Therefore, it is necessary to optimize these parameters. In addition, the optimization of MTMD is found more effective than the optimization of a single TMD in structural vibration control .
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