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

LeoKnight7 · June 30, 2016, 12:29

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!

Far · July 1, 2016, 04:48

just change to second order scheme, save case and data and run the fluent.

LeoKnight7 · July 1, 2016, 05:06

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?

Far · July 1, 2016, 05:10

yes. Do not initialize that converged first order solution.

LeoKnight7 · July 1, 2016, 05:15

Thank you very much! I will look into it!

June 30, 2016, 12:29	Help needed! How to continue with 2nd order calculations from 1st order solution?	#1
LeoKnight7 New Member Join Date: Sep 2014 Posts: 3 Rep Power: 12	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!

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July 1, 2016, 04:48		#2
Far Senior Member Sijal Join Date: Mar 2009 Location: Islamabad Posts: 4,558 Blog Entries: 6 Rep Power: 54	just change to second order scheme, save case and data and run the fluent.

July 1, 2016, 05:06		#3
LeoKnight7 New Member Join Date: Sep 2014 Posts: 3 Rep Power: 12	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?

July 1, 2016, 05:10		#4
Far Senior Member Sijal Join Date: Mar 2009 Location: Islamabad Posts: 4,558 Blog Entries: 6 Rep Power: 54	yes. Do not initialize that converged first order solution.

July 1, 2016, 05:15		#5
LeoKnight7 New Member Join Date: Sep 2014 Posts: 3 Rep Power: 12	Thank you very much! I will look into it!