HFSS Low frequency limit

  1. ag62
    Hi everybody,
    Is there any lower frequency limit to HFSS? I am interested in simulating a wireless power transfer system using HFSS. I noted in the web that most people have done such simulations using Ansys Maxwell but not HFSS. The frequency I am taking about is 1 MHz. So, free space wavelenght is 300 m. If I mesh with labda/20, still the mesh size is 15m!. But my coils diameter is about 10 cm. Can we use HFSS to model such a problem? Are there any issues with the FEM simulation if the object size is very much smaller than the wavelenght? Like to hear your views.

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