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thermodynamics: added new equation of state for incompressible flow
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Henry
@ -0,0 +1,59 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "incompressible.H"
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#include "IOstreams.H"
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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Foam::incompressible::incompressible(Istream& is)
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:
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specie(is),
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rho_(readScalar(is))
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{
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is.check("incompressible::incompressible(Istream& is)");
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}
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Foam::incompressible::incompressible(const dictionary& dict)
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:
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specie(dict),
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rho_(readScalar(dict.lookup("rho")))
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{}
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// * * * * * * * * * * * * * * * Ostream Operator * * * * * * * * * * * * * //
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Foam::Ostream& Foam::operator<<(Ostream& os, const incompressible& ico)
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{
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os << static_cast<const specie&>(ico)
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<< token::SPACE << ico.rho_;
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os.check("Ostream& operator<<(Ostream& os, const incompressible& st)");
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return os;
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}
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// ************************************************************************* //
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@ -0,0 +1,149 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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||||
(at your option) any later version.
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||||
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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||||
for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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Class
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Foam::incompressible
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Description
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Incompressible gas/liquid equation of state.
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SourceFiles
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incompressibleI.H
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incompressible.C
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\*---------------------------------------------------------------------------*/
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#ifndef incompressible_H
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#define incompressible_H
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#include "specie.H"
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#include "autoPtr.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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/*---------------------------------------------------------------------------*\
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Class incompressible Declaration
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\*---------------------------------------------------------------------------*/
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class incompressible
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:
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public specie
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{
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// Private data
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//- Density
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scalar rho_;
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public:
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// Constructors
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//- Construct from components
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inline incompressible(const specie& sp, const scalar rho);
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//- Construct from Istream
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incompressible(Istream&);
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//- Construct from dictionary
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incompressible(const dictionary& dict);
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//- Construct as named copy
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inline incompressible(const word& name, const incompressible&);
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//- Construct and return a clone
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inline autoPtr<incompressible> clone() const;
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// Selector from Istream
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inline static autoPtr<incompressible> New(Istream& is);
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// Member functions
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//- Return density [kg/m^3]
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inline scalar rho(scalar p, scalar T) const;
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//- Return compressibility rho/p [s^2/m^2]
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inline scalar psi(scalar p, scalar T) const;
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//- Return compression factor []
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inline scalar Z(scalar p, scalar T) const;
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// Member operators
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inline void operator+=(const incompressible&);
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inline void operator-=(const incompressible&);
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inline void operator*=(const scalar);
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// Friend operators
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inline friend incompressible operator+
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(
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const incompressible&,
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const incompressible&
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);
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inline friend incompressible operator-
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(
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const incompressible&,
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const incompressible&
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);
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inline friend incompressible operator*
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(
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const scalar s,
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const incompressible&
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);
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inline friend incompressible operator==
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(
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const incompressible&,
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const incompressible&
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);
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// Ostream Operator
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friend Ostream& operator<<(Ostream&, const incompressible&);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#include "incompressibleI.H"
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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@ -0,0 +1,173 @@
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/*---------------------------------------------------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration |
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\\ / A nd | Copyright (C) 1991-2010 OpenCFD Ltd.
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
|
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|
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OpenFOAM is free software: you can redistribute it and/or modify it
|
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under the terms of the GNU General Public License as published by
|
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the Free Software Foundation, either version 3 of the License, or
|
||||
(at your option) any later version.
|
||||
|
||||
OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
|
||||
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
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You should have received a copy of the GNU General Public License
|
||||
along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "incompressible.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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inline Foam::incompressible::incompressible
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(
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const specie& sp,
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const scalar rho
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)
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:
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specie(sp),
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rho_(rho)
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{}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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inline Foam::incompressible::incompressible
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(
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const word& name,
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const incompressible& ico
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)
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:
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specie(name, ico),
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rho_(ico.rho_)
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{}
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inline Foam::autoPtr<Foam::incompressible>
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Foam::incompressible::clone() const
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{
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return autoPtr<incompressible>(new incompressible(*this));
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}
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inline Foam::autoPtr<Foam::incompressible>
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Foam::incompressible::New(Istream& is)
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{
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return autoPtr<incompressible>(new incompressible(is));
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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inline Foam::scalar Foam::incompressible::rho(scalar p, scalar T) const
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{
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return rho_;
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}
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inline Foam::scalar Foam::incompressible::psi(scalar, scalar T) const
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{
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return 0.0;
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}
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inline Foam::scalar Foam::incompressible::Z(scalar, scalar) const
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{
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return 0.0;
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}
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// * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
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inline void Foam::incompressible::operator+=(const incompressible& ico)
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{
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scalar molr1 = this->nMoles();
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specie::operator+=(ico);
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molr1 /= this->nMoles();
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scalar molr2 = ico.nMoles()/this->nMoles();
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rho_ = molr1*rho_ + molr2*ico.rho_;
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}
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inline void Foam::incompressible::operator-=(const incompressible& ico)
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{
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scalar molr1 = this->nMoles();
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specie::operator-=(ico);
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molr1 /= this->nMoles();
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scalar molr2 = ico.nMoles()/this->nMoles();
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rho_ = molr1*rho_ - molr2*ico.rho_;
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}
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inline void Foam::incompressible::operator*=(const scalar s)
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{
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specie::operator*=(s);
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}
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// * * * * * * * * * * * * * * * Friend Operators * * * * * * * * * * * * * //
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inline Foam::incompressible Foam::operator+
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(
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const incompressible& ico1,
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const incompressible& ico2
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)
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{
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scalar nMoles = ico1.nMoles() + ico2.nMoles();
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scalar molr1 = ico1.nMoles()/nMoles;
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scalar molr2 = ico2.nMoles()/nMoles;
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return incompressible
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(
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static_cast<const specie&>(ico1)
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+ static_cast<const specie&>(ico2),
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molr1*ico1.rho_ + molr2*ico2.rho_
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);
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}
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inline Foam::incompressible Foam::operator-
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(
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const incompressible& ico1,
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const incompressible& ico2
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)
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{
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scalar nMoles = ico1.nMoles() + ico2.nMoles();
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scalar molr1 = ico1.nMoles()/nMoles;
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scalar molr2 = ico2.nMoles()/nMoles;
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return incompressible
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(
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static_cast<const specie&>(ico1)
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- static_cast<const specie&>(ico2),
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molr1*ico1.rho_ - molr2*ico2.rho_
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);
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}
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inline Foam::incompressible Foam::operator*
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(
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const scalar s,
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const incompressible& ico
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)
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{
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return incompressible(s*static_cast<const specie&>(ico), ico.rho_);
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}
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inline Foam::incompressible Foam::operator==
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(
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const incompressible& ico1,
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const incompressible& ico2
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)
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{
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return ico2 - ico1;
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}
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// ************************************************************************* //
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