Abstract
The efficiency of a damper depends on the amount of energy dissipation during a typical cycle
experienced by the damper. For viscous dampers this leads to substantial frequency dependence, and typically
implies that optimal tuning of a passive viscous damper is valid only for a particular mode. In contrast the
energy dissipated by a hysteretic damper is independent of frequency, but depends on the amplitude and also
contains a stiffness component. The present paper presents a procedure for predicting the magnitude of the
closed hysteresis loops and thereby the energy dissipation, and a procedure for on-line tuning of the damper
properties for random response. The approach is illustrated for the bilinear elasto-plastic damper, where the
optimal relation between yield level and displacement amplitude is derived.
Original language | English |
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Title of host publication | Proceedings of the 5th computational Stochastic mechanics conference |
Publication date | 2006 |
Publication status | Published - 2006 |
Event | 5th International Conference on Computational Stochastic Mechanics - Rhodes, Greece Duration: 21 Jun 2006 → 23 Jun 2006 Conference number: 5 |
Conference
Conference | 5th International Conference on Computational Stochastic Mechanics |
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Number | 5 |
Country/Territory | Greece |
City | Rhodes |
Period | 21/06/2006 → 23/06/2006 |