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Permittivity/Permeability Value and Loss Tangent

- November 2, 2023 at 1:04 pm
  
  Jan Stoebe
  Subscriber
  
  Hi,
  
  I am dealing with a very lossy magnetic material and I could not find out, what the Permeability value in the material definition in ANsys HFSS actually is. Is it the real part of the complex permeability/permittivity or the magnitude? (I am guessing, that it is the real part, but I would like to know for sure.)
  Best regards and thanks in advance.
- November 3, 2023 at 6:15 pm
  
  Faezeh Tork Ladani
  Ansys Employee
  
  Hi Jan,
  The Relative Permeability is the real part of the complex relative permeability.
  Magntic loss tangent is the ratio of imag/real of the complex permbeality. Note that the sign of loss tangent should be positive to represent the loss.
- November 3, 2023 at 11:05 pm
  
  Jan Stoebe
  Subscriber
  
  Thanks a lot for the confirmation! :)

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