In this paper we discuss a possible extension of the Radial Vector Model RVM, that is used in a 3D extension of the Classical Scalar Preisach Model CSPM. In particular we show that by using a suitable coordinate frame, one can overcome some limitations of the RVM. In particular, the RVM requires that the magnetization is directed radially outside a critical surface of a vector hysteron. The model continues to be consistent with the principle of conservation of magnetic energy for large rotating fields and with the second principle of the thermodynamics.
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