divergence detected in two phase flow after thousands of iterations?! -- CFD Online Discussion Forums

August 16, 2011, 15:05	divergence detected in two phase flow after thousands of iterations?!	#1
emanuel.marsis New Member Emanuel G Marsis Join Date: Aug 2011 Posts: 1 Rep Power: 0	Hi, I am simulating a two phase flow in a pump, air and water, and i am using Euler Euler multiphase model... i reduced my under relaxation factors to 0.1 and 0.2 and the model runs fine in the begining... after thousands of iterations it just explodes, and gives the error message " divergence detected" or the temperature or turbulent viscosity exceeded the limits... when i turn off my energy equation and use constant density gas, it does not do that... however i need to use ideal gas with the energy equation... any suggestions?! Thanks.. Last edited by emanuel.marsis; August 17, 2011 at 12:12. Reason: adding tags

Posting Rules
You may not post new threads You may not post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Trackbacks are Off Pingbacks are On Refbacks are On Forum Rules

Similar Threads
Thread	Thread Starter	Forum	Replies	Last Post
icoLagrangianFoam OF1.6 myNewParticleSolver	heavy_user	OpenFOAM	23	June 2, 2020 02:18
Low Mach number Compressible jet flow using LES	ankgupta8um	OpenFOAM Running, Solving & CFD	7	January 15, 2011 13:38
TurbFoam problemlarge Co number	sunnysun	OpenFOAM Running, Solving & CFD	6	March 10, 2009 08:05
SimpleFoam k and epsilon bounded	nedved	OpenFOAM Running, Solving & CFD	1	November 25, 2008 20:21
Negative value of k causing simulation to stop	velan	OpenFOAM Running, Solving & CFD	1	October 17, 2008 05:36

All times are GMT -4. The time now is 19:09.