Page 9: "However, it is not feasible to consider the interactions between individual
molecules in an analysis of air flow around an object of that scale. " — Page 9
So they use a voxel-based approach. According to
Quote:
How Many Molecules of Air Are in The Atmosphere?
theweatherprediction.com/habyhints3/976/
The molar mass of air is around 29 grams / mole (5.27 * 10^21 grams) * (1 mole / 29 grams) = 1.81 * 10^20 moles Finally, multiply by Avogadro 's number to convert moles to molecules (1.81 * 10^20 moles) * (6.02214179*10^23 molecules/mole) = 1.09 * 10^44 molecules
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The difference is 44 orders of magnitude. Maybe the best approach is to use flocking algorithms to model group behavior of molecules to get it down to 10 orders of magnitude and let advancing software algorithms and hardware make up the difference.
It's good to see Adrian Gaylard's stuff available again.