CFD Online Logo CFD Online URL
Home > Forums > FLUENT

free surface problem/time dependant

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

LinkBack Thread Tools Display Modes
Old   July 23, 2007, 17:44
Default free surface problem/time dependant
Posts: n/a
i have 2 problems.One is how do u put a time dependant inlet velocity and second is can we get the free surface diagram of water when it flows over a semi circle(the general case is when the flow is continuously there n the free surface is to be known eg a rock in the bottom of the pond...the case i want to know is when water flows in at the initial moment eg to demonstrate functioning of a weir say...please please help
  Reply With Quote

Old   July 23, 2007, 17:47
Default Re: free surface problem/time dependant
Posts: n/a
You can specify the velocity by writing a user defined function.

Regarding your second problem there is a tutorial in fluent. Check that out.
  Reply With Quote

Old   July 23, 2007, 18:06
Default Re: free surface problem/time dependant
red lemon
Posts: n/a
Yes use udf or use transient profile file (described in UG). To plot free surface create surface of volume fraction 0.5.
  Reply With Quote


Thread Tools
Display Modes

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 On
Pingbacks are On
Refbacks are On

Similar Threads
Thread Thread Starter Forum Replies Last Post
Thermocapillary free surface flow zakifoam OpenFOAM Running, Solving & CFD 10 December 12, 2016 12:44
Free surface is below than expected..results are not good mechovator CFX 24 April 8, 2011 00:41
Submarine Free Surface samwh CFX 7 August 30, 2009 07:14
Multiphase flow. Dispersed and free surface model Luis CFX 8 May 29, 2007 18:13
Modeling Free Surface Flows Elliot Schwartz Main CFD Forum 5 August 25, 1998 21:03

All times are GMT -4. The time now is 20:47.