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ABSTRACT
The flow of eddy currents around cracks in thin conducting plates has "been studied using the boundary element method. In particular the induced currents due to a straight wire filament, parallel to the plate, with harmonic current, has been investigated. The use of the boundary element method permits one to retain the singular nature of the flow around the crack tins. The analysis shows that concentrations of induced current density exist near the crack tins. The effect of wire position on the intensity of these eddy current hot spots at the crack tins is presented. This effect may be exploited using nondestructive testing methods to detect the presence of cracks.