free surface outlet
 

I am doing a free surface analysis. It is a manifold supplying coolant to the punch die assembly. Coolant is not fully filled in the manifold all the time (free surface). There are five outlets. I am not understanding what BC I should use for the outlets. Pressure or split outlet or any other. I do not know the flow split. So when I give atm pressure it diverges after 2 timesteps. If I use flow split outlet based on their area, run does not start at all, it comes out before starting. (some OS error)

Kindly help. Thanks in advance.

Re: free surface outlet
 

Have you tried to use piezometric pressure with environmental option on?

Hope this helps....

Re: free surface outlet
 

Thanks 4xF. It is running with same pressure BCs now after reduction of pressure under relaxation factor.