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functionObjects::ddt: New functionObject which calculates and writes the Eulerian time derivative of a field

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Based on patch contributed by Tobias Holzmann
Resolves feature-request https://bugs.openfoam.org/view.php?id=2525
This commit is contained in:
Henry Weller 2017-11-05 10:58:07 +00:00 committed by Andrew Heather
parent cad0455d46
commit 48332c8f16
5 changed files with 271 additions and 0 deletions
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21
etc/caseDicts/postProcessing/fields/ddt Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Web: www.OpenFOAM.org
\\/ M anipulation |
-------------------------------------------------------------------------------
Description
Calculates the Eulerian time derivative of a field.
\*---------------------------------------------------------------------------*/
type ddt;
libs ("libfieldFunctionObjects.so");
field <fieldName>;
executeControl writeTime;
writeControl writeTime;
// ************************************************************************* //

1
src/functionObjects/field/Make/files
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@ -47,6 +47,7 @@ components/components.C
randomise/randomise.C
div/div.C
grad/grad.C
ddt/ddt.C
mag/mag.C
magSqr/magSqr.C
vorticity/vorticity.C

87
src/functionObjects/field/ddt/ddt.C Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2017 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
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/>.
\*---------------------------------------------------------------------------*/
#include "ddt.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
defineTypeNameAndDebug(ddt, 0);
addToRunTimeSelectionTable(functionObject, ddt, dictionary);
}
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
bool Foam::functionObjects::ddt::calc()
{
if (functionObject::postProcess)
{
WarningInFunction
<< "ddt is not supported with the postProcess utility"
<< endl;
return false;
}
bool processed = false;
processed = processed || calcDdt<scalar>();
processed = processed || calcDdt<vector>();
processed = processed || calcDdt<sphericalTensor>();
processed = processed || calcDdt<symmTensor>();
processed = processed || calcDdt<tensor>();
return processed;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::functionObjects::ddt::ddt
(
const word& name,
const Time& runTime,
const dictionary& dict
)
:
fieldExpression(name, runTime, dict)
{
read(dict);
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::functionObjects::ddt::~ddt()
{}
// ************************************************************************* //

112
src/functionObjects/field/ddt/ddt.H Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2017 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
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/>.
Class
Foam::functionObjects::ddt
Group
grpFieldFunctionObjects
Description
Calculates the Eulerian time derivative of a field.
The operation can be applied to any volume field generating a field of the
same type.
See also
Foam::functionObjects::fvMeshFunctionObject
SourceFiles
ddt.C
\*---------------------------------------------------------------------------*/
#ifndef functionObjects_ddt_H
#define functionObjects_ddt_H
#include "fieldExpression.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
/*---------------------------------------------------------------------------*\
Class ddt Declaration
\*---------------------------------------------------------------------------*/
class ddt
:
public fieldExpression
{
// Private Member Functions
//- Calculate the magnitude of the field and register the result
template<class Type>
bool calcDdt();
//- Calculate the time derivative of the field and return
// true if successful
virtual bool calc();
public:
//- Runtime type information
TypeName("ddt");
// Constructors
//- Construct from Time and dictionary
ddt
(
const word& name,
const Time& runTime,
const dictionary& dict
);
//- Destructor
virtual ~ddt();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace functionObjects
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "ddtTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //

50
src/functionObjects/field/ddt/ddtTemplates.C Normal file
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/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2017 OpenFOAM Foundation
\\/ M anipulation |
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
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/>.
\*---------------------------------------------------------------------------*/
#include "fvcDdt.H"
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
template<class Type>
bool Foam::functionObjects::ddt::calcDdt()
{
typedef GeometricField<Type, fvPatchField, volMesh> VolFieldType;
if (foundObject<VolFieldType>(fieldName_))
{
return store
(
resultName_,
fvc::ddt(lookupObject<VolFieldType>(fieldName_))
);
}
else
{
return false;
}
}
// ************************************************************************* //