Finite-Element A-V Formulation for EMQS Problems via Two-Domain Continuity Gauging

A finite-element A-V formulation is developed to solve EMQS (electromagnetic quasistatic), aka Darwin, problems in the time and frequency domains by making use of a two-domain continuity gauging strategy. The formulation utilizes the magnetic vector and electric scalar potentials, and an additional scalar in the conducting regions. The resulting FE system matrixes are symmetric and stable even in the static limit.