A method for defining electric global quantities, i.e. currents and voltages, in finite element magnetodynamic H-formulations is presented. It makes use of edge finite elements, which enables direct definition of currents in a strong sense as well as exploitation of the discrete weak formulation to define voltages in a natural weak way, without the need of any supplementary integral formula. It is applied to massive and stranded inductors for defining voltage sources and for coupling with circuit equations.
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Dular et al. (1999) studied this question.
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