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Biro, Oszkar
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article
Simulation of the quasi‐static electric field by an electric current vector potential approximated by edge elements
Abstract
Purpose – The aim of the present work is to find an efficient solution concerning the computational effort of quasi‐static electric field (QSEF) problems involving anisotropic conductivity and permittivity in the frequency domain.Design/methodology/approach – Numerical simulations are carried out with tetrahedral nodal finite elements of first‐ and second‐order and with Withney elements. The solution of the boundary value problem with the aid of the electric scalar potential approximated by nodal finite elements is compared with those by the electric current vector potential represented by edge finite elements.Findings – The simulation with an electric current vector potential approximated by the edge elements of first‐order prevail over that by the electric scalar potential approximated by nodal elements of second‐order concerning the memory requirements and the computation time at comparable accuracy.Originality/value – The application of edge finite elements to solve QSEF problems considering an anisot...