NDLI: Earthquake reduction behaviors of viscous fluid dampers for soil-eccentric structure interaction system

Content Provider	IEEE Xplore Digital Library
Author	Li Chunxiang Gu Xinhua
Copyright Year	2010
Description	Author affiliation: Department of Civil Engineering, Shanghai University, China (Li Chunxiang; Gu Xinhua)
Abstract	Using the Lagrange energy method, the dynamic equations of the soil - eccentric structure interaction system is established. By applying the linear quadratic regulator (LQR) control theory, the calculated control gain is converted to the equivalent viscous fluid damping gain using a minimum norm method (MNM). In the case of including the soil-structure interaction into consideration, the translational and torsional responses of single-story asymmetric buildings installed with the VFDs under unidirectional earthquakes is investigated. Simultaneously, the effects of the structural aspect ratio, torsional to translational frequency ratio, stiffness eccentricity, soil earthiness and different types of seismic waves on the optimal eccentric positions of the VFDs are numerically evaluated. Through extensive numerical analysis and comparisons, the conclusions obtained herein will be much useful for the design of the VFDs for eccentric structures under earthquakes.
Starting Page	4381
Ending Page	4384
File Size	474182
Page Count	4
File Format	PDF
ISBN	9781424477371
e-ISBN	9781424477395
DOI	10.1109/MACE.2010.5536327
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Damping Vibration Control Regulators Minimum Norm Method (MNM) Fluid dynamics Viscous Fluid Damper (VFD) Linear Quadratic Regulator (LQR) Buildings Earthquake Reduction Shock absorbers Eccentric Structures Lagrangian functions Equations Earthquakes Soil-Structure Interaction Soil Control theory
Content Type	Text
Resource Type	Article

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