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Proceedings Paper

Dynamic response of a frame with SMA bracing
Author(s): Shuangshuang Sun; R. K. Nimal D. Rajapakse
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Paper Abstract

This paper investigates the dynamic response of a frame structure with pre-strained SMA bracing elements. The constitutive model proposed by Brinson is used to simulate the axial response of SMA bracing elements. A non-linear transient finite element model incorporated with Newmark's time integration scheme is used to analyze the dynamic response of a structure. The time histories of displacements and hysteresis loops of SMA tendons are computed under harmonic loading. The effect of forcing amplitude and initial pre-strains of SMA tendons on transient dynamic response of a structure is discussed. The suitability of pseudoelastic SMA for energy dissipation is briefly discussed.

Paper Details

Date Published: 13 August 2003
PDF: 9 pages
Proc. SPIE 5053, Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics, (13 August 2003); doi: 10.1117/12.484201
Show Author Affiliations
Shuangshuang Sun, Univ. of British Columbia (Canada)
R. K. Nimal D. Rajapakse, Univ. of British Columbia (Canada)

Published in SPIE Proceedings Vol. 5053:
Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics
Dimitris C. Lagoudas, Editor(s)

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