[ajhunte]

I have a single pipe with a triangular input and output:

Picture of the geometry (basically a pipe filled with water shaped like a triangle)
https://plus.google.com/u/0/photos/1...28021247361055

When i do a hand calculation based on the width and height of the flow path and the velocity at the inlet, I get about 10 psi pressure drop that I should be getting from inlet to outlet. When I run Ansys, I get approximately 20 psi.

I have made sure that I have an inflation for the boundary layer, I have made the mesh ridiculously fine, and that I run it to 1e-5 convergence criteria. I have also confirmed with my professor that I should be getting around 10 psi (meaning that I did not make a math error when doing the hand calculation).

Any ideas why this is occurring?