HFSS variable dependent frequency sweep
时间:03-31
整理:3721RD
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Hello!
I'm trying to simulate a resonator with both a distributed part (planar spiral) and a lumped element capacitor in parallel.
I want to run an optimetrics sweep on the value of the parallel capacitor, but this changes the resonant frequency, so I want to tell HFSS to sweep around a different center frequency at each value (I have a good prediction for expected resonant frequency).
If I try to use a design variable in the definition of a frequency sweep, I get the following error: Start Frequency must be greater than 0.001
I get something similar in the Analysis Setup: Solution Frequency must be greater than 0.
This happens whether I use units in variable, or make a unitless variable and multiply it by 1MHz, etc.
Can anyone help me?
Thanks,
Avraham
I'm trying to simulate a resonator with both a distributed part (planar spiral) and a lumped element capacitor in parallel.
I want to run an optimetrics sweep on the value of the parallel capacitor, but this changes the resonant frequency, so I want to tell HFSS to sweep around a different center frequency at each value (I have a good prediction for expected resonant frequency).
If I try to use a design variable in the definition of a frequency sweep, I get the following error: Start Frequency must be greater than 0.001
I get something similar in the Analysis Setup: Solution Frequency must be greater than 0.
This happens whether I use units in variable, or make a unitless variable and multiply it by 1MHz, etc.
Can anyone help me?
Thanks,
Avraham
the same here. I have some elements with predefined parameters (β, ε) dependent on frequency (I have a cvs table)
I want HFSS to use values from that array corresponding to current frequency, or freq. sweep #number.
Examples: μ(ω) freq. dependency for magnetics, C(ω), β(ω) for matching microstrip transformers.
Just can't understand how to set this up?
Preliminary trial tells that HFSS cannot accept variable-style frequency setup. For example, FEKO can accept start/stop/center frequency as variables, but HFSS cannot. Any comment about this embarrassment?
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