Tuned mass damper
![Tuned mass damper atop Taipei 101.](/Images/godic/202501/17/Tuned_mass_damper_-_Taipei_101_-_Wikimania_2007_02242728.jpg")
![A schematic of a simple spring–mass–damper system used to demonstrate the tuned mass damper system.](/Images/godic/202501/17/Spring–mass–damper_system.svg2728.png")
![Response of the system excited by one unit of force, with (red) and without (blue) the 10% tuned mass. The peak response is reduced from 9 units down to 5.5 units. While the maximum response force is reduced, there are some operating frequencies for which the response force is increased.](/Images/godic/202501/17/Tuned_mass_damper2729.png")
![A Bode plot of displacements in the system with (red) and without (blue) the 10% tuned mass.](/Images/godic/202501/17/2dof_plots2729.png")
A tuned mass damper, also known as a harmonic absorber, is a device mounted in structures to reduce the amplitude of mechanical vibrations. Their application can prevent discomfort, damage, or outright structural failure. They are frequently used in power transmission, automobiles, and buildings.