|
[Sponsors] |
drag an lift coeffis after solution is done using ExecFlowFuntionObjects |
|
LinkBack | Thread Tools | Search this Thread | Display Modes |
June 2, 2010, 05:38 |
drag an lift coeffis after solution is done using ExecFlowFuntionObjects
|
#1 |
Member
angel
Join Date: May 2009
Location: Spain
Posts: 46
Rep Power: 16 |
I would like to calculate drag an lift coefficients after solution is done, It is possible to calculate it using “execFlowFuntionObjects” it generate a folder for forces and for forceCeffs, but it overwrite the file for every time-step.
When I solve the case the controldic works well, but it is no possible to use the same dic for postproccesing. My controldic is: functions { forces { type forces; functionObjectLibs ("libforces.so"); //Lib to load patches (name); // change to your patch name rhoName rhoInf; rhoInf 1.225; //Reference density for fluid CofR (5.885 0 0); //Origin for moment calculations outputControl timeStep; outputInterval 1; } forceCoeffs { type forceCoeffs; functionObjectLibs ("libforces.so"); patches (name); rhoName rhoInf; rhoInf 1.225; CofR (5.885 0 0); liftDir (0 0 1); dragDir (-1 0 0); pitchAxis (0 1 0); magUInf -20; lRef 5.885; Aref 8.91037; //projected area outputControl timeStep; outputInterval 1; } } Can someone help me? Regards, Angel |
|
June 15, 2010, 11:45 |
|
#2 |
Senior Member
Pavan
Join Date: May 2009
Location: Melbourne
Posts: 101
Rep Power: 16 |
Hi angel,
Are you doing a transient simulation? I'd like to do the same for a transient simulation - I have a bunch of results for which I've now decided I'd like lift and drag coefficients for. Does anyone know how to do this?? I had no idea about execFlowFunctionObjects - what does this do? |
|
September 15, 2011, 06:06 |
|
#3 |
New Member
Thijs Gillebaart
Join Date: Oct 2010
Location: Delft
Posts: 2
Rep Power: 0 |
Any solution for this problem? Why is the forces file overwritten each time step for postprocessing with execFlowFunctionObjects?
|
|
Thread Tools | Search this Thread |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
how to set lift and drag coefficients in force mon | alagesanj | FLUENT | 0 | November 16, 2008 21:47 |
Correct lift but wrong pressure drag - possible? | zx | Main CFD Forum | 4 | July 28, 2007 00:38 |
Find Mean Drag and Mean lift using LES | Cfd-Student | FLUENT | 1 | January 9, 2006 12:03 |
Lift and Drag Coefficients Reliability | Luis | FLUENT | 2 | December 27, 2005 15:45 |
Fluid mechanics / drag & lift | Jamcam | Main CFD Forum | 0 | October 31, 2002 05:39 |