One thing you could do is create a command object beneath each magnet body under the Geometry branch on the tree with these APDL commands:
mpdele,mgxx,matid ! DELETE X (OR RADIAL) COMPONENT MAGNETIZATION
mp,mgyy,matid,Hc ! DEFINE Y (OR CIRCUMFERENTIAL) COMPONENT OF MAGNETIZATION
where,
Hc = coercivity (somewhere around 1e6 A/m, positive or negative depending on the direction you want)
If you specify coercivity in MKS units, please ensure that the model is solved using MKS units as well (so that the units used in all aspects of the model definition are dimensionally consistent).
The commands assume that your magnet body has the cylindrical coordinate system assigned to it in Details.
Best,
Bill
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