emikit: openEMS cross-check scripts (WIP)#62
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infrastructure for an apples-to-apples full-wave comparison against emikits closed form on the same single-trace fixture. scripts work, openEMS builds and runs, port voltage data comes out clean. but the default Gaussian + auto -40 dB end criterion terminates after ~2 ns which is too short for a 30 MHz spectrum. committing as research artifact + reproducible methodology. final numbers need more tuning -- either disable EndCriteria + extend NrTS, or run CW per frequency instead of broadband. the README documents where the experiment stands. the textbook calibration tests already pin emikits formulas to Ott Eq 11-2 and Hockanson 1996 at 0.05 dB. an FDTD cross-check would confirm those formulas are faithful reductions of the full Maxwell problem -- which is a known result in EMC literature, not the foundation of our validation chain.
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openEMS-based full-wave cross-check on the same single-trace fixture emikit uses for its closed-form.
scripts work and openEMS runs cleanly, but the default Gaussian + -40 dB auto-terminate stops after ~2 ns which is too short for 30 MHz resolution. needs NrTS bumped + EndCriteria disabled, or CW per-frequency runs. parking the scripts here for now -- the textbook calibration tests already pin emikit to Ott 11-2 and Hockanson 1996 within 0.05 dB so this is bonus confidence, not part of the validation chain.
files: emikit/openems/{openems_microstrip.py, compare_openems_emikit.py, README.md}