Incomplete run with 360x day length (Patreon)
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This one crashed repeatedly it reached about 8 C; not sure why, the max temp only got up to around 30 C. I don't think I'll run it any further, though, because on further thought I think for purposes of this day length post it might be more interesting to see a case where day and year length aren't so closely synchronized (which produces some odd heating patterns that are variable by longitude as well as latitude; you can see the particularly cool areas over canada and east greenland where there was the least heating). I'll switch over now to 324x day length, which produces a heating pattern that varies across year and so is less biased by latitude, but still follows a regular 9-year pattern so I can capture the whole range of climate varuation by looking at a 9-year average. At some later point I'll come back to closer spin-orbit resonances.
Also, for anyone not following its development, exoplasim has now been updated with more robust orbital logic that can be activated with "keplerian=True" in the model configuration. This allows for any eccentricity (below 1), so I'll get the eccentricity models going again after the 324x-day run, and it also allows for obliquity over 90 degrees if anyone happens to want retrograde rotation. It also properly calculates the sidereal-synodic day relation (so with 324x days, I'm using a rotation period of 170.526 days)