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ARPN Journal of Science and Technology >> Volume 7, Issue 2, November 2017

ARPN Journal of Science and Technology

Analysis of Dynamic Responses of Inelastic Structures Equipped with Passive Control Fluid Viscous Dampers

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Author Pham Nhan Hoa, Chu Quoc Thang, Le Minh Thanh
ISSN 2225-7217
On Pages 76-82
Volume No. 4
Issue No. 2
Issue Date March 01, 2014
Publishing Date March 01, 2014
Keywords Dynamics of Structures, Structural Control, Dampers, Passive Control, Viscous Fluid Dampers


The paper presents a numerical method for a non-linear system equipped with passive viscous fluid dampers (VFD) in attempts to improve seismic resistance. A mathematical model for the motion and a computational algorithm to find responses of the structure are proposed. Focusing on a steel structure which is a benchmark 20-story building designed for the SAC project for the Los Angeles, California, the numerical example analyzes the dynamic response of the building subjected to earthquake-induced ground motion and simultaneously passively controlled with VFD. Furthermore, the paper will provide a basis for evaluating the factors affecting responses of such a controlled system and therefore these responses are compared to an elastic structure without VFD, an inelastic structure without VFD, an elastic structure with VFD, and an inelastic structure with VFD.

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