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

Help needed! How to continue with 2nd order calculations from 1st order solution?

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

Reply
 
LinkBack Thread Tools Search this Thread Display Modes
Old   June 30, 2016, 12:29
Unhappy Help needed! How to continue with 2nd order calculations from 1st order solution?
  #1
New Member
 
Join Date: Sep 2014
Posts: 3
Rep Power: 11
LeoKnight7 is on a distinguished road
Hello everybody!

I really do hope i am not reposting a question or anything, but I haven't been able to find something regarding my case.

I run time-steady simulations regarding a supersonic projectile. I have already aquired 1st order converged results but it is necessary that i proceed to 2nd order of accuracy in order to validate against archival data.

I still haven't been able to understand how to initialiaze my 2nd order calculations from the 1st order converged solution.

Please keep in mind that I set up my case on a remote location and then upload it to a computational cluster. Any ideas?

Thank you in advance!
LeoKnight7 is offline   Reply With Quote

Old   July 1, 2016, 04:48
Default
  #2
Far
Super Moderator
 
Sijal
Join Date: Mar 2009
Location: Islamabad
Posts: 4,553
Blog Entries: 6
Rep Power: 54
Far has a spectacular aura aboutFar has a spectacular aura about
Send a message via Skype™ to Far
just change to second order scheme, save case and data and run the fluent.
Far is offline   Reply With Quote

Old   July 1, 2016, 05:06
Default
  #3
New Member
 
Join Date: Sep 2014
Posts: 3
Rep Power: 11
LeoKnight7 is on a distinguished road
You mean simply download the .cas file to my location, choose the "2nd order upwind", save the .cas, upload it to the same working directory as the 1st order converged .dat file and rerun the calculations?
LeoKnight7 is offline   Reply With Quote

Old   July 1, 2016, 05:10
Default
  #4
Far
Super Moderator
 
Sijal
Join Date: Mar 2009
Location: Islamabad
Posts: 4,553
Blog Entries: 6
Rep Power: 54
Far has a spectacular aura aboutFar has a spectacular aura about
Send a message via Skype™ to Far
yes. Do not initialize that converged first order solution.
Far is offline   Reply With Quote

Old   July 1, 2016, 05:15
Default
  #5
New Member
 
Join Date: Sep 2014
Posts: 3
Rep Power: 11
LeoKnight7 is on a distinguished road
Thank you very much! I will look into it!
LeoKnight7 is offline   Reply With Quote

Reply

Tags
1st order, 2nd order, convergence, initialize

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
1st order vs 2nd order ken FLUENT 8 March 14, 2013 04:43
Limiters for 2nd order solvers Heinz Wilkening Main CFD Forum 1 March 14, 2013 04:40
2nd order divergence Reg FLUENT 1 May 17, 2005 04:08
1st order temporal & 2nd order spatial Prateep Chatterjee FLUENT 0 January 19, 2003 01:31
EULER-Forward-Method freak Main CFD Forum 4 June 12, 2001 10:19


All times are GMT -4. The time now is 18:41.