Hello everybody,
i´m using
Hello everybody,
i´m using the following equation tmp<fvvectormatrix> VEqn ( fvm::div(-phi,V) + (gradU & V) + alpha & V // (*) ); The problem is, that alpha and V are volVectorFields and (*) will be a scalar. Like in Programmers Guide for (*) i used fvm::Sp(alpha&V, I) // I initialvector In my createFields i use for I dimensionedVector I ( "I", dimensionSet(0, 0, 0, 0, 0, 0, 0), vector(1,1,1), ); But i get the following error message: createFields.H: In function 'int main(int char**)': createFields.H:110: error: expected primary-expression before ')' token AdjAlphaFoam_Vers2.C:81: error: no matching function for call to 'Sp(Foam::tmp<foam::geometricfield<double,> >, Foam::dimensionedVector&)' make: *** [Make/linuxGccDPOpt/AdjAlphaFoam_Vers2.o] Error 1 Is the "Sp(a,b)" operator the right solution for to use (*) in OpenFoam? For any answers i will be very happy! Thanks a lot, Khaled Totakhel |
What is on like 110 in createF
What is on like 110 in createFields.H? Looks like you've got a syntax error. The operator fvm::Sp will take a scalar linearised field for the first argument and the field you are solving for as the second. Your second argument seems to be a dimensionedVector and not the thing you are solving for.
Hope this helps, Hrv |
first off, I have no idea what
first off, I have no idea what you are trying to do
so this will be an answer based purely on the visual inspection of your constructor... there is a comma after vector(1,1,1) that shouldnt be there. |
Hello Niklas,
i'll try the
Hello Niklas,
i'll try the Sp(a,b)-operator to solve (*) implicit. In Programmers Guide "a" must be a scalar or volScalar -typ and "b" a vol<type>Field. I thought if i use an inititalvector I for b, i reach my goal! Regards, Khaled |
Hello Hrvoje,
thanks for yo
Hello Hrvoje,
thanks for your answer. But how can I use an initialvector (1,1,1) as volVectorField for the second argument of Sp(a,b) without: volVectorField I ( IOobject ( "I", runTime.timeName(), mesh, IOobject::NO_READ, IOobject::NO_WRITE ), mesh ); in my createFields? Regards, Khaled |
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