Dynamic response of a frame with SMA bracing

Shuangshuang Sun; R. K. Nimal D. Rajapakse

doi:10.1117/12.484201

13 August 2003 Dynamic response of a frame with SMA bracing

Shuangshuang Sun, R. K. Nimal D. Rajapakse

Proceedings Volume 5053, Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics; (2003) https://doi.org/10.1117/12.484201
Event: Smart Structures and Materials, 2003, San Diego, California, United States

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.

Citation Download Citation

Shuangshuang Sun and R. K. Nimal D. Rajapakse "Dynamic response of a frame with SMA bracing", Proc. SPIE 5053, Smart Structures and Materials 2003: Active Materials: Behavior and Mechanics, (13 August 2003); https://doi.org/10.1117/12.484201

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