Evaluation of two boundary integral formulations for the Eddy current nondestructive testing of metal structures
Résumé
We investigate two bounary integral formulations for the resolution of the Maxwell equations in the Eddy Current (EC) regime in a context of nondestructive testing (NdT). The first one, based on an approximation of the Maxwell equations, requires a loop-star decomposition of the surface currents and the global loops are constructed manually for non-simply connected domains. The second formulation is stabilized by using quasi-Helmholtz projectors, thus avoiding the definition of global loops.
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