PARSOL & FGEM
 

While doing fluid flow analysis (PHOENICS 3.5), I find that it is very difficult to achieve convergence using PARSOL model, while the same model without PARSOL gets converged very quickly. For FGEM, I find that the time required to get the solution is high. I do not know where the advantages lie. Is there any clue or guidance for achiveing faster convergence in these cases.

Vikas