CFD Online Logo CFD Online URL
Home > Forums

Entries for March 26, 2013

Register Blogs Members List Search Today's Posts Mark Forums Read


note about convergence

Posted March 26, 2013 at 05:39 by skeptik (CFD notes)

Originally Posted by chegdan View Post

There are some strategies that I would try to get these residuals down to something you would like.
  1. Lower your pressure relTol by an order of magnitude compared to U i.e. relTol = 0.001 for P and relTol = 0.01 for U.
  2. Without knowing the mesh you are using you may need to increase the nonorthogonal corrector by 1 or 2. if you are using a tet mesh...then there are many things you can do.
  3. Use first order schemes to start with (you will move to higher order ones
Posted in Uncategorized
Views 598 Comments 0 skeptik is offline Edit Tags

All times are GMT -4. The time now is 19:21.