Quote:
Originally Posted by MetroMPG
Yes please, winkosmosis, let's start debating "pointy vs. blunt" front ends again.
As Phil mentioned, the front isn't the issue here. Assuming you have attached flow to the peak height of the roof (or max cross section area) - which almost all modern passenger vehicles do - the overlay provides a good basis for a tapered 3D form which retains attached flow from that point aft.
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My point is that the shape used in those overlays appears to be arbitrary.