Numerical analysis of a new SMA-based seismic damper system and material characterization of two commercial NiTi-alloys

J. S. Olsen , C. Van der Eijk , Z. L. Zhang

Abstract

The work presented in this paper includes material characterisation and an investigation of suitability in seismic dampers for two commercially available NiTi-alloys, along with a numerical analysis of a new damper system employing composite NiTi-wires. Numerical simulations of the new damper system are conducted, using Brinson

Key Words

shape memory alloys; NiTi; seismic damper; pseudoelasticity; WIND-CHIME; numerical simulation; design principles; residual strain; one-dimensional constitutive model; parameter study.

Address

J. S. Olsen; Norwegian University of Science and Technology, 7491 Trondheim, Norway C. Van der Eijk; SINTEF Materials and Chemistry, 7465 Trondheim, Norway Z. L. Zhang; Norwegian University of Science and Technology, 7491 Trondheim, Norway

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