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November 20, 2024 at 3:52 amhenry.ojukwuSubscriber
Hi everyone,
I need help with a characteristic mode analysis (CMA) of my unit cell.
I'm trying to conduct a CMA on my unit cell, but in the CMA solution type in HFSS, I'm unable to assign a boundary condition and Floquet port to the air box surrounding the unit cell. As a result, each time I attempt to run the simulation, I encounter an error message that states, "CMA requires a boundary and excitation."
Could someone please guide me on how to assign the appropriate boundary and excitation to the unit cell in this situation?
Thank you!
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November 20, 2024 at 11:05 amAymen MzoughiAnsys Employee
You are using the wrong solver. CMA solver is IE based. You should be using HFSS with Hybrid and Arrays solver instead.
There is an HFSS built-in example of a unit cell that you can take as reference for your setup (File > Open Examples > HFSS > Antennas> phased_array_unitcell.aedt)
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November 20, 2024 at 11:10 pmhenry.ojukwuSubscriber
I have managed to resolve the problem
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