|September 11, 2013, 00:02||
transint cavitation modeling
Join Date: Apr 2009
Posts: 148Rep Power: 9
there is one important question about initial condition in a transient cavitation modeling.
as mentioned in CFX manual , it is very important to set an accurate initial single phase condition (cavitation not activated) to solve a cavitating flow.but what if we need a transient modeling with adaptive time step ?in a transient model the CFX-Pre warns that it needs an initial condition which contains both fluids(water and water vapor) !
i see when a wrong initial condition have been set,it tunes to a wrong result(if i am not wrong in other parameter settings).
what should we do with this accurate initial condition in a transient run which contains both fluids ??
Thanks in advance
|September 11, 2013, 06:05||
Join Date: Mar 2009
Location: Sydney, Australia
Posts: 12,242Rep Power: 96
A single phase model should be OK to start. Just make sure you define a volume fraction initial condition of all liquid.
|Thread||Thread Starter||Forum||Replies||Last Post|
|CFX CEL Expression for Cavitation Modeling||kimotbwb||CFX||1||February 15, 2013 06:51|
|cavitation modeling and pressure distribution||arazgaldy||FLUENT||2||July 26, 2006 02:29|
|Modeling cavitation in ximed/shear layer?!||Helokey||FLUENT||0||April 11, 2004 21:50|
|Cavitation modeling using CFX/Tascflow||Bilal Bukhari||CFX||4||November 2, 2001 11:27|
|Level Set in Cavitation Modeling||Niklas Wikstrom||Main CFD Forum||1||September 9, 1999 13:08|