The tip-of-the-hat to Pointwise cited above is not the only reason this article is worth a look. It covers a fair amount of ground while doing a good job of walking that fine line between jargon-overload and simplicity-overdone.
Pointwise doesn’t create the cut-cell grids that the article mentions, but Cadence CFD has you covered if that’s what you’re looking for: see the The World Solar Challenge brief at this set of case-studies for an example.
