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Finite element analysis of a ‘smart’ damper for seismic structural control

✍ Scribed by S. Valliappan; K. Qi

Publisher
Elsevier Science
Year
2003
Tongue
English
Weight
183 KB
Volume
81
Category
Article
ISSN
0045-7949

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✦ Synopsis

A ÔsmartÕ mild steel damper is proposed in this paper to provide active damping for seismic control of structures. Smart material, which is bonded to the surface of hysteric dampers, is employed as actuator to exert active control force to increase damping effect for the vibration reduction of structural systems. ÔSmartÕ finite element formulation is outlined for the numerical analysis of the proposed control device. Two control algorithms were adopted to regulate active control forces. The results of numerical simulation with two example models show the effectiveness of smart material used for active damping.

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## Abstract The philosophy of a simple data structure for handling data for finite element analyses is described. The technique is advocated as an efficient way of handling finite element data and of communicating between programs using the data.