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Développement de formulations éléments finis 3D en potentiel vecteur magnétique: application à la simulation de dispositifs électromagnétiques en mouvement

Abstract : The aim of this thesis is to develop adapted numerical methods to model 3D electromagnetic equations coupled with electric circuit equations and with the displacement of moving parts, applied to the electric rotating machines. The formulation use as the principal unknown the non-gauged magnetic vector potential, interpolated with the edge elements. The compatibility of the formulation is ensured by the representation of the source CUITent density with the help of an electric vector potential. The electric circuit is analysed using the method of time integrated electric potentials and the direct coupling of the magnetic and electric systems. The connection between the moving mesh and the stationary mesh is realised by an original interpolation method. Specific numerical methods for the integration of the frrst order temporal system using an stepby- step algorithm and different techniques of system resolution were also developed. AlI these developments were validated on a switched reluctance motor.
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Cristian Golovanov. Développement de formulations éléments finis 3D en potentiel vecteur magnétique: application à la simulation de dispositifs électromagnétiques en mouvement. Sciences de l'ingénieur [physics]. Institut National Polytechnique de Grenoble - INPG, 1997. Français. ⟨tel-00904770⟩

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