THE INVERSE PROBLEM SOLUTION FOR INFINITE REGIONS USING THE IMPEDANCETOMOGRAPHY TECHNIQUE

A new method of solving Inverse Problems for infinite regions is prese nted in this paper. The Impedance Tomography technique has been used i n order to find the solution - the conductivity distribution inside th e region under consideration. The Inverse Problem solution is usually time consuming. Significant reduction of calculation time was achieved in this paper due to: 1. the hybrid Finite Element Method (infinite e lements significantly reduce the number of state equations), 2. symbol ic calculation of matrices far finite and infinite elements, 3. adjoin t variable method of sensitivity analysis. Using computer simulation t he new method presented in this paper was tested. The method proved to be an efficient noninvasive technique for condition monitoring of cop per mine gallery.