[Hiroshiman]

Hello,
I'm using the codedFixedValue to set the pressure on the outlet on my case (flowRate at the inlet, pressure on the outlets).
I used the flowRate on the outlets to set the pressure. When the run is sequential, everything works fine but in parallel, the pressure isn't applied correctly.

My codeDict:

 
//reading the pressure on the considered patch       
        const volScalarField& p = db().lookupObject<volScalarField>("p");
        const fvPatchField<scalar>& pip = patch().patchField<volScalarField, scalar>(p);

//reading the flowRate on the considered patch       
        const surfaceScalarField& phi = db().lookupObject<surfaceScalarField>("phi");
        const fvsPatchField<scalar>& phip = patch().patchField<surfaceScalarField, scalar>(phi);


        int k=0;
        dimensionedScalar h("h",dimless, tstep.value());
        dimensionedScalar pp("pp",dimless, average(pip));     //average pressure on the patch
        dimensionedScalar res("res",dimless,1E6); 
        dimensionedScalar p0("p0",dimless, 1E6);      
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //

      pp += h * sum(phip); //test

        (*this)==(pp.value());
        #};

The average of the pressure isn't working well in parallel as it tries to do it where there the patch area is null:

--> FOAM Warning : 
    From function average(const UList<Type>&)
    in file /home/apps/Logiciels/OpenFOAM/OpenFOAM-2.2.x/src/OpenFOAM/lnInclude/FieldFunctions.C at line 467
    empty field, returning zero

I guess I'm reading and writing the pressure and flowRate correctly but I don't really know what to do.



edit : I think the problem is only the access of the data on the processor patch and not the whole BC ; how can I get these data ?
If someone is able to help, thank you a lot.

Florian