Guilin Sun
Ansys Employee

Unfortunately, spatially-varying magnetic permeability is not available. Current supported material models can be found:

https://optics.ansys.com/hc/en-us/articles/360034394734-Advanced-and-custom-optical-material-models-in-FDTD-and-MODE

 

The paramagnetic material can handle diagonal permeability but not spacially-carying.  It can be very challenge to implement it with pixel-wise method.