ON THE APPLICATION OF MOMENT METHODS TO ELECTROMAGNETIC NONDESTRUCTIVE EVALUATION

In this paper, we consider the application of moment methods (MM) to e ddy-current testing problems for nondestructive evaluation (NDE). We d erive a general formulation for the MM used to analyze NDE problems, a nd present results calculated by the MM and experimental data obtained from our eddy-current testing system for an artificially made sample. A good agreement between the calculated results and the experimental data confirms the validity of the method developed in this paper for t he NDE problems. Our result shows that the MM can be used as an altern ative mathematical method to the finite element method (FEM) and the b oundary element method (BEM) in NDE.