Title :
“Stiff” problems in eddy-current theory and the regularization of Maxwell´s equations
Author_Institution :
R&D Div., Electr. de France, Clamart, France
fDate :
9/1/2001 12:00:00 AM
Abstract :
Large ratios of extreme nonzero conductivities in eddy current problems cause poor conditioning, due to the kernel of the curl-curl operator. Solutions to this problem (wrongly blamed on edge elements by some) are discussed
Keywords :
Maxwell equations; eddy currents; iterative methods; Maxwell´s equations; conditioning; curl-curl operator; eddy-current theory; extreme nonzero conductivities; regularization; Conductivity; Earth; Eddy currents; Eigenvalues and eigenfunctions; Frequency; Iterative methods; Kernel; Maxwell equations; Spread spectrum communication; Topology;
Journal_Title :
Magnetics, IEEE Transactions on
