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PDE-constrained optimization of time-dependent 3D electromagnetic induction heating by alternating voltages

Fredi TröltzschIrwin Yousept — 2012

ESAIM: Mathematical Modelling and Numerical Analysis

This paper is concerned with a PDE-constrained optimization problem of induction heating, where the state equations consist of 3D time-dependent heat equations coupled with 3D time-harmonic eddy current equations. The control parameters are given by finite real numbers representing applied alternating voltages which enter the eddy current equations impressed current. The optimization problem is to find optimal voltages so that, under certain constraints on the voltages and the temperature, a desired...

A sensitivity-based extrapolation technique for the numerical solution of state-constrained optimal control problems

Michael HintermüllerIrwin Yousept — 2010

ESAIM: Control, Optimisation and Calculus of Variations

Sensitivity analysis (with respect to the regularization parameter) of the solution of a class of regularized state constrained optimal control problems is performed. The theoretical results are then used to establish an extrapolation-based numerical scheme for solving the regularized problem for vanishing regularization parameter. In this context, the extrapolation technique provides excellent initializations along the sequence of reducing regularization parameters. Finally, the favorable numerical behavior...

PDE-constrained optimization of time-dependent 3D electromagnetic induction heating by alternating voltages

Fredi TröltzschIrwin Yousept — 2012

ESAIM: Mathematical Modelling and Numerical Analysis

This paper is concerned with a PDE-constrained optimization problem of induction heating, where the state equations consist of 3D time-dependent heat equations coupled with 3D time-harmonic eddy current equations. The control parameters are given by finite real numbers representing applied alternating voltages which enter the eddy current equations impressed current. The optimization problem is to find optimal voltages so that, under certain constraints on the voltages and the temperature, a desired...

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