CFD Analysis of Carotid Bifurcation
 

I am trying to make a bifurcation model for my CFD simulation. I am using circular cross sections lofted along 3D guide curves. However the unwanted edges cause problems. How can I design a smooth bifurcation with no edges? :confused::confused::confused:

Image Link: https://drive.google.com/open?id=0B2...EJFazNVM00tcmc