mirror of
https://develop.openfoam.com/Development/openfoam.git
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perfectFluid: New EoS for gases and liquids
which behaves as a perfect gas for a gas and an offset perfect gas for a liquid
This commit is contained in:
Henry
@ -0,0 +1,76 @@
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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) 2011-2012 OpenFOAM Foundation
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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 "perfectFluid.H"
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#include "IOstreams.H"
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class Specie>
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Foam::perfectFluid<Specie>::perfectFluid(Istream& is)
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:
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Specie(is),
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rho0_(readScalar(is))
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{
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is.check("perfectFluid<Specie>::perfectFluid(Istream& is)");
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}
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template<class Specie>
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Foam::perfectFluid<Specie>::perfectFluid(const dictionary& dict)
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:
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Specie(dict),
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rho0_(readScalar(dict.subDict("equationOfState").lookup("rho0")))
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{}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class Specie>
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void Foam::perfectFluid<Specie>::write(Ostream& os) const
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{
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Specie::write(os);
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dictionary dict("equationOfState");
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dict.add("rho0", rho0_);
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os << indent << dict.dictName() << dict;
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}
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// * * * * * * * * * * * * * * * Ostream Operator * * * * * * * * * * * * * //
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template<class Specie>
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Foam::Ostream& Foam::operator<<(Ostream& os, const perfectFluid<Specie>& pf)
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{
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os << static_cast<const Specie&>(pf)
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<< token::SPACE << pf.rho0_;
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os.check("Ostream& operator<<(Ostream&, const perfectFluid<Specie>&)");
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return os;
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}
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// ************************************************************************* //
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@ -0,0 +1,223 @@
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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) 2012 OpenFOAM Foundation
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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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Class
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Foam::perfectFluid
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Description
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Perfect gas equation of state.
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SourceFiles
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perfectFluidI.H
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perfectFluid.C
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\*---------------------------------------------------------------------------*/
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#ifndef perfectFluid_H
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#define perfectFluid_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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// Forward declaration of friend functions and operators
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template<class Specie> class perfectFluid;
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template<class Specie>
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inline perfectFluid<Specie> operator+
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(
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const perfectFluid<Specie>&,
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const perfectFluid<Specie>&
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);
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template<class Specie>
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inline perfectFluid<Specie> operator-
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(
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const perfectFluid<Specie>&,
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const perfectFluid<Specie>&
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);
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template<class Specie>
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inline perfectFluid<Specie> operator*
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(
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const scalar,
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const perfectFluid<Specie>&
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);
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template<class Specie>
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inline perfectFluid<Specie> operator==
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(
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const perfectFluid<Specie>&,
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const perfectFluid<Specie>&
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);
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template<class Specie>
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Ostream& operator<<
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(
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Ostream&,
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const perfectFluid<Specie>&
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);
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/*---------------------------------------------------------------------------*\
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Class perfectFluid Declaration
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\*---------------------------------------------------------------------------*/
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template<class Specie>
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class perfectFluid
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:
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public Specie
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{
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// Private data
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//- The reference density
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scalar rho0_;
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public:
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// Constructors
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//- Construct from components
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inline perfectFluid(const Specie& sp, const scalar rho0);
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//- Construct from Istream
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perfectFluid(Istream&);
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//- Construct from dictionary
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perfectFluid(const dictionary& dict);
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//- Construct as named copy
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inline perfectFluid(const word& name, const perfectFluid&);
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//- Construct and return a clone
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inline autoPtr<perfectFluid> clone() const;
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// Selector from Istream
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inline static autoPtr<perfectFluid> New(Istream& is);
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// Selector from dictionary
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inline static autoPtr<perfectFluid> New(const dictionary& dict);
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// Member functions
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//- Return the instantiated type name
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static word typeName()
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{
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return "perfectFluid<" + word(Specie::typeName_()) + '>';
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}
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// Fundamental properties
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//- Is the equation of state is incompressible i.e. rho != f(p)
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static const bool incompressible = false;
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//- Is the equation of state is isochoric i.e. rho = const
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static const bool isochoric = false;
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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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//- Return (cp - cv) [J/(kmol K]
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inline scalar cpMcv(scalar p, scalar T) const;
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// IO
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//- Write to Ostream
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void write(Ostream& os) const;
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// Member operators
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inline void operator+=(const perfectFluid&);
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inline void operator-=(const perfectFluid&);
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inline void operator*=(const scalar);
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// Friend operators
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friend perfectFluid operator+ <Specie>
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(
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const perfectFluid&,
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const perfectFluid&
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);
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friend perfectFluid operator- <Specie>
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(
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const perfectFluid&,
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const perfectFluid&
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);
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friend perfectFluid operator* <Specie>
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(
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const scalar s,
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const perfectFluid&
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);
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friend perfectFluid operator== <Specie>
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(
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const perfectFluid&,
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const perfectFluid&
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);
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// Ostream Operator
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friend Ostream& operator<< <Specie>
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(
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Ostream&,
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const perfectFluid&
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);
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};
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#include "perfectFluidI.H"
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#ifdef NoRepository
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# include "perfectFluid.C"
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#endif
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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#endif
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// ************************************************************************* //
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@ -0,0 +1,220 @@
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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) 2012 OpenFOAM Foundation
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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
|
||||
under the terms of the GNU General Public License as published by
|
||||
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
|
||||
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
||||
for more details.
|
||||
|
||||
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 "perfectFluid.H"
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// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
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template<class Specie>
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inline Foam::perfectFluid<Specie>::perfectFluid
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(
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const Specie& sp,
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const scalar rho0
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)
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:
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Specie(sp),
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rho0_(rho0)
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{}
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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template<class Specie>
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inline Foam::perfectFluid<Specie>::perfectFluid
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(
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const word& name,
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const perfectFluid<Specie>& pf
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)
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:
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Specie(name, pf),
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rho0_(pf.rho0_)
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{}
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template<class Specie>
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inline Foam::autoPtr<Foam::perfectFluid<Specie> >
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Foam::perfectFluid<Specie>::clone() const
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{
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return autoPtr<perfectFluid<Specie> >(new perfectFluid<Specie>(*this));
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}
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template<class Specie>
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inline Foam::autoPtr<Foam::perfectFluid<Specie> >
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Foam::perfectFluid<Specie>::New(Istream& is)
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{
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return autoPtr<perfectFluid<Specie> >(new perfectFluid<Specie>(is));
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}
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template<class Specie>
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inline Foam::autoPtr<Foam::perfectFluid<Specie> >
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Foam::perfectFluid<Specie>::New
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(
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const dictionary& dict
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)
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{
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return autoPtr<perfectFluid<Specie> >(new perfectFluid<Specie>(dict));
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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template<class Specie>
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inline Foam::scalar Foam::perfectFluid<Specie>::rho(scalar p, scalar T) const
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{
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return rho0_ + p/(this->R()*T);
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}
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template<class Specie>
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inline Foam::scalar Foam::perfectFluid<Specie>::psi(scalar, scalar T) const
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{
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return 1.0/(this->R()*T);
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}
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template<class Specie>
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inline Foam::scalar Foam::perfectFluid<Specie>::Z(scalar, scalar) const
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{
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return 1.0;
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}
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template<class Specie>
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inline Foam::scalar Foam::perfectFluid<Specie>::cpMcv(scalar, scalar) const
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{
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return this->RR;
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}
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// * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
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template<class Specie>
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inline void Foam::perfectFluid<Specie>::operator+=
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(
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const perfectFluid<Specie>& pf
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)
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{
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scalar molr1 = this->nMoles();
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Specie::operator+=(pf);
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molr1 /= this->nMoles();
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scalar molr2 = pf.nMoles()/this->nMoles();
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rho0_ = molr1*rho0_ + molr2*pf.rho0_;
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}
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template<class Specie>
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inline void Foam::perfectFluid<Specie>::operator-=
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(
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const perfectFluid<Specie>& pf
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)
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{
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scalar molr1 = this->nMoles();
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Specie::operator-=(pf);
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molr1 /= this->nMoles();
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scalar molr2 = pf.nMoles()/this->nMoles();
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rho0_ = molr1*rho0_ - molr2*pf.rho0_;
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}
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template<class Specie>
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inline void Foam::perfectFluid<Specie>::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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template<class Specie>
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inline Foam::perfectFluid<Specie> Foam::operator+
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(
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const perfectFluid<Specie>& pf1,
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const perfectFluid<Specie>& pf2
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)
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{
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scalar nMoles = pf1.nMoles() + pf2.nMoles();
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scalar molr1 = pf1.nMoles()/nMoles;
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scalar molr2 = pf2.nMoles()/nMoles;
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return rhoConst<Specie>
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(
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static_cast<const Specie&>(pf1)
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+ static_cast<const Specie&>(pf2),
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molr1*pf1.rho0_ + molr2*pf2.rho0_
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);
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}
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template<class Specie>
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inline Foam::perfectFluid<Specie> Foam::operator-
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(
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const perfectFluid<Specie>& pf1,
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const perfectFluid<Specie>& pf2
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)
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{
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scalar nMoles = pf1.nMoles() + pf2.nMoles();
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scalar molr1 = pf1.nMoles()/nMoles;
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scalar molr2 = pf2.nMoles()/nMoles;
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return rhoConst<Specie>
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(
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static_cast<const Specie&>(pf1)
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- static_cast<const Specie&>(pf2),
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molr1*pf1.rho0_ - molr2*pf2.rho0_
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);
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}
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template<class Specie>
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inline Foam::perfectFluid<Specie> Foam::operator*
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(
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const scalar s,
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const perfectFluid<Specie>& pf
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)
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{
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return perfectFluid<Specie>(s*static_cast<const Specie&>(pf), pf.rho0_);
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}
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template<class Specie>
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inline Foam::perfectFluid<Specie> Foam::operator==
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(
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const perfectFluid<Specie>& pf1,
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const perfectFluid<Specie>& pf2
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)
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{
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return pf2 - pf1;
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}
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||||
// ************************************************************************* //
|
||||
Reference in New Issue
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