CFD Online Logo CFD Online URL
www.cfd-online.com
[Sponsors]
Home > Forums > Software User Forums > ANSYS > FLUENT

Fluent Parallel Mode

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   May 16, 2011, 08:26
Default Fluent Parallel Mode
  #1
Member
 
Nuno Gomes
Join Date: May 2009
Location: Portugal
Posts: 39
Rep Power: 16
Dinocrack is on a distinguished road
Hello

I am simulting a unsteady problem from a reactor, with two velocity inlets and, a two zones, where there is a interior face beetween them. And a pressure outlet.

I start with a steady solution, and from that i move to unsteady. For pressure discretization i use Presto and Momentum Quick. I run on parallel mode.

Everything looks fine, but near the 10000timesteps ocour an error from Divergence detected in AMG solver: pressure correction -> turning off correction scaling!
Divergence detected in AMG solver: pressure correction -> Increasing relaxation sweeps!

I close the program and after, trying to open give this error

"Building...
mesh
Cell Centroid is xc 1.993950 yc 1.463519 zc 1.365260
WARNING: no face with given nodes. Thread 7, cell 352956
Clearing partially read grid.

Error: Build Grid: Aborted due to critical error.

Error: Build Grid: Aborted due to critical error.
Error Object: #f"


The mesh was fine...but i still dont understand where is the problem and now i can't run in parallel mode. I star the same simulation but with lower discretizations. I will try some stabilization, and then change to presto and quick again.

Anyone can help me? I dont know why this is not workting for parallel mode...
Dinocrack is offline   Reply With Quote

Reply

Thread Tools Search this Thread
Search this Thread:

Advanced Search
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 Off
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
problem of running parallel Fluent on linux cluster ivanbuz FLUENT 15 September 23, 2017 20:12
parallel fluent runs being killed at partitioing Ben Aga FLUENT 3 June 8, 2012 11:40
parallel mode failure in 3ddp but not in 2ddp ak6g08 Fluent UDF and Scheme Programming 0 September 22, 2009 07:16
fluent stops batch mode on error Ralf Schmidt FLUENT 1 March 1, 2008 11:35
Help!! Why I can't run fluent in batch mode? Cindy Jones FLUENT 0 April 9, 2003 00:39


All times are GMT -4. The time now is 11:59.