Abstract: Tuned mass dampers (TMDs) are control devices consisting of a mass-spring-dashpot system connected to the structure in a way to vibrate out of phase with the main structure, if tuned to the appropriated frequency. In this way the energy is transferred to the TMD reducing amplitude vibration on the main system. A 10 storeyed building was used for the analysis. Varying the parameter value position and number of TMDs were used to fixing the optimum requirements. The analysis was done by varying the mass ratio 2%, 4%, 6% and 8% at centroid, front and left corners of the top storey. To find optimum number of TMD, analysis was carried out by using up to 3 numbers of dampers, each at last storeys. 2% mass ratio of one damper at front corner of top storey is sufficient for this analysis. Numerical modelling of the structure with TMD installed is performed using the finite element ANSYS computational package.
Keywords: ANSYS Software, Acceleration, Base Shear, Deformation, Equivalent Stress, Optimum mass ratio, Optimum location, Storey Displacement, Tuned Mass Damper.
Title: TUNED MASS DAMPER IN MULTISTOREY BUILDING FOR STRUCTURAL STABILITY
Author: Rohini G Nair, Fathima Shukkoor
International Journal of Civil and Structural Engineering Research
ISSN 2348-7607 (Online)
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