Thermo-mechanical finite element analysis of a shape memory alloy cantilever beam

Qifu Li; Stefan Seelecke; M. Kohl; B. Krevet

doi:10.1117/12.677238

16 March 2006 Thermo-mechanical finite element analysis of a shape memory alloy cantilever beam

Qifu Li; Stefan Seelecke; M. Kohl; B. Krevet

Author Affiliations +

Proceedings Volume 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control; 61661Z (2006) https://doi.org/10.1117/12.677238
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2006, San Diego, California, United States

Abstract

Shape memory alloy (SMA) beams are used in a variety of applications such as, e.g., stents or microactuators. In this paper, a free energy based SMA model is implemented into the commercial finite element (FE) code ANSYS, and the bending problem of a SMA cantilever beam is studied. In order to determine optimal parameter settings for the finite element analysis, we systematically study convergence behavior and accuracy for different convergence criteria as well as other relevant parameters such as element, substep and integration point number. The simulation results demonstrate that the SMA model can represent both shape memory effect and superelasticity of SMA materials seamlessly.

Citation Download Citation

Qifu Li, Qifu Li, Stefan Seelecke, Stefan Seelecke, M. Kohl, M. Kohl, B. Krevet, B. Krevet, } "Thermo-mechanical finite element analysis of a shape memory alloy cantilever beam", Proc. SPIE 6166, Smart Structures and Materials 2006: Modeling, Signal Processing, and Control, 61661Z (16 March 2006); doi: 10.1117/12.677238; https://doi.org/10.1117/12.677238

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