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- Title
PRELIMINARY DESIGN PROCEDURE OF MR DAMPERS FOR CONTROLLING SEISMIC RESPONSE OF BUILDING STRUCTURES.
- Authors
Sang-Hyun Lee; Kyung-Won Min; Roojee Lee; Ho-Guen Lee; Kum-Gil Sung; Dae-Kon Kim
- Abstract
In this paper, a preliminary design procedure of magnetorheological (MR) dampers is developed for controlling building response induced by seismic excitation. Hysteretic biviscous model which is simple and can describe the hysteretic characteristics of MR damper, is used for parametric studies. The capacity of MR damper is determined as a portion of not the building weight but the lateral restoring force. A method is proposed for the optimal placement and number of MR dampers, and its effectiveness is verified by comparing it with the simplified sequential search algorithm. Numerical results indicate that capacity, number and placement can be reasonably determined using the proposed design procedure.
- Subjects
DAMPING of seismic waves; STRUCTURAL control (Engineering); EFFECT of natural disasters on buildings; DAMPING (Mechanics); STRUCTURAL dynamics; STRAINS &; stresses (Mechanics); OSCILLATIONS; STRUCTURAL analysis (Engineering)
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2005, Vol 19, Issue 7-9, p1492
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979205030499