periodic structures and excitation

  1. Shekoofeh
    I'm trying to simulate a chiral media and retrieve its parameters. I almost read all threads about this topic. But they all discuss obtaining constitutive parameters from S-parameters.
    I need help with the previous step! How to extract S-parameter. I already used HFSS for antenna simulation, but it is a special case. My media is large to process and I should use periodic structures. I have problem with Master Slave BCs in HFSS and periodic BCs in CST, and also port excitation in this conditions(plane wave? waveguide port?). Can anyone help me?
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