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Question for setting User Defined Variables at runtime for monitoring |
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January 31, 2021, 17:35 |
Question for setting User Defined Variables at runtime for monitoring
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#1 |
New Member
Donghun Kang
Join Date: Jan 2021
Posts: 4
Rep Power: 5 |
Greetings,
I am a beginner of OF. I have trouble compiling user defined variable (pprime) in the system/controldict. (version: v2012) functions { pprime { type coded; libs (utilityFunctionObjects); name pprime; writeControl timeStep; writeInterval 1; codeWrite //(or codeExecute) #{ const volScalarField& p = mesh().lookupObject<volScalarField>("p"); const volVectorField& U = mesh().lookupObject<volVectorField>("U"); volScalarField pprime ( IOobject ( "pprime", mesh().time().timeName(), p.mesh(), IOobject::NO_READ, IOobject::AUTO_WRITE ), p ); pprime=p-101325; #}; fields ( pprime { base time; } ); } } I referred to Create registered object at runtime using a functionObject But mine does not work, showing: --> Could not load "... Before running, is there any command to compile? My current sequence to simulate is mpirun -np 16 rhoPimpleFoam -parallel Thanks, Paul |
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February 9, 2021, 17:56 |
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#2 |
Senior Member
Join Date: Aug 2015
Posts: 494
Rep Power: 14 |
Without seeing the full error it is hard to help. However, if we check out the codedFunctionObject.H file, we find the following template :
Code:
{ type coded; libs (utilityFunctionObjects); // Name of on-the-fly generated functionObject name writeMagU; codeWrite #{ // Lookup U const volVectorField& U = mesh().lookupObject<volVectorField>("U"); // Write mag(U)().write(); #}; } Code:
pprime { type coded; libs (utilityFunctionObjects); // Name of on-the-fly generated functionObject name writePPrime; codeWrite #{ // Lookup p, name pprime const volScalarField& pprime = mesh().lookupObject<volScalarField>("p"); //Update pprime pprime -= dimensionedScalar("refP", pprime.dimensions(), 101325); // Write pprime.write(); #}; } Caelan |
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September 7, 2021, 17:43 |
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#3 |
New Member
Donghun Kang
Join Date: Jan 2021
Posts: 4
Rep Power: 5 |
Thanks Caelan!
I have resolved that issue Paul |
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