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build volScalarField from scalarFields

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Old   November 9, 2017, 11:16
Default build volScalarField from scalarFields
  #1
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Joaquín Neira
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Hello,

I'm trying to build a volScalarField from a product of two scalarField

Code:
dimensionedScalar nu
(
    "nu",
    dimViscosity,
    transportProperties.lookup("nu")
);

dimensionedScalar rhoInfValue
(
    "rhoInf",
    dimDensity,
    transportProperties.lookup("rhoInf")
);

volScalarField mu
(
    IOobject
    (
        "mu",
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
        IOobject::AUTO_WRITE
    ),
    nu*rhoInfValue
);
but it doesn't work
is there any way to do this?
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Old   November 9, 2017, 16:35
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  #2
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Alexey Matveichev
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Hi,

you are trying to make a volScalarField from a product of two dimensionedScalars. So you should use another constructor: this one. In terms of code it is:

Code:
volScalarField mu
(
    IOobject
    (
        "mu",
        runTime.timeName(),
        mesh,
        IOobject::NO_READ,
        IOobject::AUTO_WRITE
    ),
    mesh,
    nu*rhoInfValue
);
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