A perturbation method for the A-χ geometric eddy-current formulation
Université de Liège, Département d'Électricité, Électronique et Informatique, 4000 Liège, Belgium
2 Università di Udine, Dipartimento of Ingegneria Elettrica, Gestionale e Meccanica, Via delle Scienze 208, 33100 Udine, Italy
Accepted: 20 May 2010
Published online: 21 October 2010
A perturbation method for the A-χ geometric formulation to solve eddy-current problems is introduced. The proposed formulation is applied to the feasibility design of a non-destructive evaluation device suitable to detect “long” longitudinal flaws in hot steel bars.
© EDP Sciences, 2010