How can we calculate demagnetization factor for toroidal structures?

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Zhao Ran

Hi , you shuold calculate the shape factor of the toroidal magnetic core first,

the demagnetizing factor is a tensor about initial permeability，effective permeability and shape factor.

Vinod V K Thalakkatukalathil

Thanks for the answer.

I am looking for analytical relations for the demagnetizing factor (like ellipsoidal case given by Osborn).

I think this paper will be helpful with your questions

M. Beleggia, D.Vokoun , M.DeGraef.Demagnetization factors for cylindrical shell sand related shapes.J. of MMM,2009.