Topic
Tuned mass damper
About: Tuned mass damper is a research topic. Over the lifetime, 4637 publications have been published within this topic receiving 63269 citations. The topic is also known as: TMD & mass damper.
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01 Apr 1997
TL;DR: In this article, the authors present a glossary of future direction glossary indexes for metallic and viscous liquid dampers. But they do not specify any future direction.
Abstract: Fundamentals Metallic Dampers Friction Dampers Viscoeleastic Dampers Viscous Fluid Dampers Tuned Mass Dampers Tuned Liquid Dampers Future Direction Glossary Indexes
1,108 citations
TL;DR: In this paper, simple expressions for optimum absorber parameters are derived for undamped one degree-of-freedom main systems for harmonic and white noise random excitations with force and frame acceleration as input and minimization of various response parameters.
Abstract: In recent papers the author has shown that when determining optimum parameters for an absorber which minimizes the vibration response of a complex system, the latter may be treated as an equivalent single degree-of-freedom system if its natural frequencies are well separated. Emphasis was on minimizing the displacement response when the excitation was a harmonic force. In the present paper simple expressions for optimum absorber parameters are derived for undamped one degree-of-freedom main systems for harmonic and white noise random excitations with force and frame acceleration as input and minimization of various response parameters. These expressions can be used to obtain optimum parameters for absorbers attached to complex systems provided that optimization is with respect to an absolute, rather than a relative, quantity. The requirement that the natural frequencies should be well separated is investigated numerically for the different cases. The effect of damping in the main system on optimum absorber parameters is investigated also.
832 citations
TL;DR: A detailed literature review of semi-active control systems is provided in this article, which provides references to both theoretical and experimental research but concentrates on describing the results of experimental work, focusing on descriptions of the dynamic behavior and distinguishing features of various systems which have been experimentally tested both at the component level and within small-scale structural models.
656 citations
TL;DR: In this article, the optimum parameters of tuned mass dampers (TMD) that result in considerable reduction in the response of structures to seismic loading are presented, and the method can also be used in vibration control of tall buildings using the so-called "mega-substructure configuration" where substructures serve as vibration absorbers for the main structure.
Abstract: The optimum parameters of tuned mass dampers (TMD) that result in considerable reduction in the response of structures to seismic loading are presented. The criterion used to obtain the optimum parameters is to select, for a given mass ratio, the frequency (tuning) and damping ratios that would result in equal and large modal damping in the first two modes of vibration. The parameters are used to compute the response of several single and multi-degree-of-freedom structures with TMDs to different earthquake excitations. The results indicate that the use of the proposed parameters reduces the displacement and acceleration responses significantly. The method can also be used in vibration control of tall buildings using the so-called ‘mega-substructure configuration’, where substructures serve as vibration absorbers for the main structure. It is shown that by selecting the optimum TMD parameters as proposed in this paper, significant reduction in the response of tall buildings can be achieved. © 1997 John Wiley & Sons, Ltd.
550 citations