Abstract
Adaptive refinement of finite element meshes has been performed using the bending of electromagnetic fields at element edges as a measure of error, in problems wih translational symmetry. In this paper it is presented how this could be extended to axisymmetric field problems. It is shown that the error estimate given by the inverse tan relationship is the same in electric and magnetic field problems, although in the governing Poisson equation, permittivity appears in the numerator and permeability in the denominator. This allows the same program developed for magnetic field problems to be used with minor modifications for axisymmetric electric field problems.
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