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Induction heating of a shape memory alloy beam★

Abstract : The shape memory alloy heating by eddy currents is a quick solution for the shape change. Then, the analysis of the temperature field as a function of the shape is important to build a mechanical model in large deformation. Even if the temperature can be obtained by experiment, a computational model is useful. The computation of the induced currents in a nickel–titanium shape memory alloy beam is here considered with a T − Ω model adapted to thin shells with the help of a change of coordinates. It allows us to take into account the shape change, without the need of remeshing, as a function of the temperature. Experiments are carried out to validate the model.
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https://hal.univ-lorraine.fr/hal-02189216
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Stéphane Dufour, G. Vinsard. Induction heating of a shape memory alloy beam★. European Physical Journal: Applied Physics, EDP Sciences, 2018, 83 (3), pp.30905. ⟨10.1051/epjap/2018170394⟩. ⟨hal-02189216⟩

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