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A numerical model for induction heating processes coupling electromagnetism and thermomechanics

Abstract : This paper presents a mathematical and numerical model developed for coupling the various physical phenomena (electromagnetic, thermal and mechanical) taking place in axisymmetrical induction heating processes. All three electromagnetic, thermal and mechanical models are time dependent and take full account of the electromagnetic and thermal non-linear effect especially with magnetic materials. The electromagnetic problem is discretized and solved in the workpiece, air and inductors. The heat transfer equation and the mechanical equilibrium equations are solved in the workpiece only, both using a finite element method. The mechanical model can take into account thermoelastic-plastic behaviour for the part. The model has been successfully applied to several cases of induction heating. Comparisons between numerical and experimental results show an excellent agreement
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Submitted on : Tuesday, August 2, 2011 - 3:06:29 PM
Last modification on : Wednesday, November 17, 2021 - 12:28:04 PM

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François Bay, Valérie Labbé, Yann Favennec, Jean-Loup Chenot. A numerical model for induction heating processes coupling electromagnetism and thermomechanics. International Journal for Numerical Methods in Engineering, Wiley, 2003, 58 (6), pp.Pages 839-867. ⟨10.1002/nme.796⟩. ⟨hal-00613062⟩



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