Roy:
Sabbagh Associates has a proprietary volume-integral code that solves
the same (3D) problem for eddy-current nondestructive evaluation. The
discretization of the integral equation is through the Galerkin
variant of the method of moments. Our `antenna' is a coil, or system
of coils, that may even contain a ferrite core, and the workpiece has
to have a nonzero conductivity. The `flaws' may have an arbitrary 3D
shape. The volume-integral method, as implemented in VIC-3D, is
superior to any other numerical technique when it comes to simulating
scattering from cracks. It may not be entirely suitable for your
application, but it does answer the question about other algorithms or
codes.
Regards,
Hal Sabbagh
Received on Mon Mar 09 1998 - 12:44:33 EST
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