On January 12, 2005 04:10 pm, Wolfram Kuss wrote: > However, CFD programs need a "watertight" geometry. I would guess that > far in excess of 90% of models are not. For example, each edge needs > to have two neighbour faces. The models can be made to be "watertight". People just need to get off their lazy behind and start creating/merging parts poly by poly, vertex by vertex.
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