kthackst
Member level 5
Hello everyone,
I am interested in finding the field distribution inside a large resonant cavity at the resonant frequency. I can successfully simulate the cavity near the resonant frequency and use interpolating sweeps to zero in on the exact resonant frequency. Because the Q factor is so high (simulated at over 10,000), the sweep must necessarily be very fine to find the resonant frequency. But if I actually want the fields at f0, I must move the solution frequency to exactly the resonant frequency (I picked to about three decimal places: 348.219 MHz).
But now my simulation will not converge given my previous criteria (max delta S = 0.002). In fact I have to change my max delta S to about 0.05 to get any convergence. Does anyone have any insight why simulating the resonant frequency is so much more difficult for HFSS than merely near it? And possibly a way to get around it?
I am interested in finding the field distribution inside a large resonant cavity at the resonant frequency. I can successfully simulate the cavity near the resonant frequency and use interpolating sweeps to zero in on the exact resonant frequency. Because the Q factor is so high (simulated at over 10,000), the sweep must necessarily be very fine to find the resonant frequency. But if I actually want the fields at f0, I must move the solution frequency to exactly the resonant frequency (I picked to about three decimal places: 348.219 MHz).
But now my simulation will not converge given my previous criteria (max delta S = 0.002). In fact I have to change my max delta S to about 0.05 to get any convergence. Does anyone have any insight why simulating the resonant frequency is so much more difficult for HFSS than merely near it? And possibly a way to get around it?