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Effective Medium Transformation: the Case of Eddy Currents in Laminated Iron Cores
IEEE transactions on magnetics
Effective medium theory replaces a given fine-scale heterostructure with a homogeneous one in such a way that the physically measurable quantities, e.g. reaction fields and losses, remain approximately the same. This paper presents a peculiar case where the physical nature of the problem and the type of governing mathematical equations change upon homogenization. We consider a stratified nonlinear magnetic and conducting medium, where a low-frequency excitation induces eddy currents. It isdoi:10.1109/tmag.2021.3111478 fatcat:u6zwuuknbnagbobdlz777yn7mu