Publications by Alexandre Masserey

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We investigate in this paper a numerical method to control the temperature of an induction heating process through electric current parameters such as frequency and current voltage imposed to the terminals of the inductor. We seek a sinusoidal voltage function whose amplitude varies in time. For this, we use a two-dimensional induction heating model. that involves a phase transition in which the magnetic field has only one nonvanishing component. The procedure can be extended to more sophisticated models wi

Laser polishing (LP) is a process that allows a significant reduction of the surface roughness of a metal workpiece via re-melting a shallow layer of material. However, the practical use of LP is limited due to the difficulty of satisfying the high surface ...

We present an extension of a 2D cartesian electromagnetic and thermal model to achieve the optimal control of an industrial induction heating system. The control variables are the frequency and the power. We explain how to derive the discrete optimal control algorithm and show the numerical results we obtained for a specific case.

In this paper, we present a method for the numerical integration of the three-dimensional Green kernel over two triangles. This method is compared with the results obtained by other algorithms. The comparison proves the efficiency of the technique in remov ...

Alexandre Masserey

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Optimal control of an induction heating process for thixoforming

Thermal Modelling and Experimental Validation in the Perspective of Tool Steel Laser Polishing

Power formulation for the optimal control of an industrial induction heating process for thixoforming

Numerical integration of the three-dimensional Green kernel for an electromagnetic problem

Optimisation et simulation numérique du chauffage par induction pour le procédé de thixoformage