Hysteretic damper

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Main article: Earthquake engineering

Fluid viscous damper installed in a building structure
Hysteretic damper is intended to provide better and more reliable seismic performance than that of a conventional structure at the expense of the seismic input energy dissipation [1]. There are four major groups of hysteretic dampers used for the purpose, namely:
  • Fluid viscous dampers (FVDs)
  • Metallic yielding dampers (MYDs)
  • Viscoelastic dampers (VEDs)
  • Friction dampers (FDs)

Each group of dampers has specific characteristics, advantages and disadvantages for structural applications.


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