Numerical simulation of the eddy current problem in magnetic induction tomography for biomedical applications by edge elements

Magnetic induction tomography of biological tissue is used for reconstructing the conductivity distribution /spl kappa/=/spl sigma/+j/spl omega//spl epsiv/ or changes /spl Delta//spl kappa/ in a human body by measuring the perturbation /spl Delta/B of an alternating magnetic field B/sub 0/. The aim is to simulate the eddy current problem in magnetic induction tomography for biomedical applications by symmetric tetrahedral edge finite elements of second order. The method is validated by measurement data from a representative experiment, and numerical results of an edema in a human head are presented.