|February 8, 2013, 16:37||
is it possible to apply more than one cell in zeroGradient or groovyBC internalField?
Join Date: Oct 2012
Posts: 2,205Rep Power: 17
at my run the cells that are neighbours to outlet boundary show a high value for pressure and velocity that is unrealistic.I guess it can be from one cell getting in zeroGradient and also first order interpolation in internalField utility.
can a second order interpolation be used?how or any hint is appreciated.
|February 8, 2013, 18:15||
Join Date: Mar 2009
Posts: 3,915Rep Power: 40
What is usually the problem in such cases is using a plain zeroGradient condition and having backflow at the outlet. Either extend the outlet to eliminate backflow or use the inletOutlet-condition (or something similar) to have a Dirichlet-conditon for faces where flow comes back in
Note: I don't use "Friend"-feature on this forum out of principle. Ah. And by the way: I'm not on Facebook either. So don't be offended if I don't accept your invitation/friend request
|Thread||Thread Starter||Forum||Replies||Last Post|
|Cell Reynolds Number||laliong||Main CFD Forum||11||March 19, 2015 12:42|
|second order schemes||marine||OpenFOAM||66||October 26, 2014 12:10|
|how is it possible to apply different BC's for regime of flow in groovyBC?||immortality||OpenFOAM Running, Solving & CFD||1||February 4, 2013 02:55|
|Air Conditioned room groovyBC||Sebaj||OpenFOAM||7||October 31, 2012 15:16|
|Higher order convection schemes with unstructured grids||vkrastev||OpenFOAM||28||March 28, 2012 08:15|