Need help with flow

 From:  BurrMan
4733.2 In reply to 4733.1 
To start, turn on the show points for your base plane.. It seems to be a twisted base structure... This underlying surface will play a part in the flow... I recreated the base surface with the plane command.. I also joined together all your surfaces to help the command recognize what was there...

EDITED: 19 Jun 2012 by BURRMAN