integratedNonUniformTableThermophysicalFunction.C

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    Copyright (C) 2020 OpenCFD Ltd.
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License
    This file is part of OpenFOAM.
 
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#include "integratedNonUniformTableThermophysicalFunction.H"
#include "specie.H"
#include "addToRunTimeSelectionTable.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
namespace thermophysicalFunctions
{
    defineTypeNameAndDebug(integratedNonUniformTable, 0);
 
    addToRunTimeSelectionTable
    (
        thermophysicalFunction,
        integratedNonUniformTable,
        dictionary
    );
}
}
 
 
// * * * * * * * * * * * * * * * * Constructors  * * * * * * * * * * * * * * //
 
Foam::thermophysicalFunctions::integratedNonUniformTable::
integratedNonUniformTable
(
    const word& name,
    const dictionary& dict
)
:
    nonUniformTable(name, dict),
    intf_(values().size()),
    intfByT_(values().size())
{
    intf_[0] = 0;
    intfByT_[0] = 0;
 
    for (label i = 1; i < intf_.size(); ++i)
    {
        intf_[i] = intf_[i-1] + intfdT(0, values()[i].first());
        intfByT_[i] = intfByT_[i-1] + intfByTdT(0, values()[i].first());
    }
 
    const scalar intfStd = intfdT(Pstd, Tstd);
    const scalar intfByTStd = intfByTdT(Pstd, Tstd);
 
    forAll(intf_, i)
    {
        intf_[i] -= intfStd;
        intfByT_[i] -= intfByTStd;
    }
}
 
 
Foam::thermophysicalFunctions::integratedNonUniformTable::
integratedNonUniformTable
(
    const dictionary& dict
)
:
    integratedNonUniformTable("values", dict)
{}
 
 
// * * * * * * * * * * * * * * * Member Functions  * * * * * * * * * * * * * //
 
Foam::scalar Foam::thermophysicalFunctions::integratedNonUniformTable::intfdT
(
    scalar p,
    scalar T
) const
{
    const label i = index(p, T);
    const scalar Ti = values()[i].first();
    const scalar fi = values()[i].second();
    const scalar dT = T - Ti;
    const scalar lambda = dT/(values()[i + 1].first() - Ti);
 
    return
        intf_[i]
      + (fi + 0.5*lambda*(values()[i + 1].second() - fi))*dT;
}
 
 
Foam::scalar Foam::thermophysicalFunctions::integratedNonUniformTable::intfByTdT
(
    scalar p,
    scalar T
) const
{
    const label i = index(p, T);
    const scalar Ti = values()[i].first();
    const scalar fi = values()[i].second();
    const scalar gradf =
        (values()[i + 1].second() - fi)/(values()[i + 1].first() - Ti);
 
    return
        intfByT_[i] + ((fi - gradf*Ti)*log(T/Ti) + gradf*(T - Ti));
}
 
 
void Foam::thermophysicalFunctions::integratedNonUniformTable::writeData
(
    Ostream& os
) const
{
    nonUniformTable::writeData(os);
}
 
 
// ************************************************************************* //