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OpenFOAM-12/src/functionObjects/field/fieldAverage/fieldAverage.C

492 lines
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C++

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2011-2022 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 "fieldAverage.H"
#include "fieldAverageItem.H"
#include "timeIOdictionary.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
defineTypeNameAndDebug(fieldAverage, 0);
addToRunTimeSelectionTable(functionObject, fieldAverage, dictionary);
}
}
template<>
const char* Foam::NamedEnum
<
Foam::functionObjects::fieldAverage::baseType,
2
>::names[] = { "iteration", "time"};
const Foam::NamedEnum
<
Foam::functionObjects::fieldAverage::baseType,
2
> Foam::functionObjects::fieldAverage::baseTypeNames_;
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
void Foam::functionObjects::fieldAverage::initialise()
{
// Initialise any unset times
forAll(totalTime_, fieldi)
{
if (totalTime_[fieldi] < 0)
{
totalTime_[fieldi] = 0;
}
}
// Initialise mean fields
forAll(faItems_, fieldi)
{
initialiseMeanField<scalar>(fieldi);
initialiseMeanField<vector>(fieldi);
initialiseMeanField<sphericalTensor>(fieldi);
initialiseMeanField<symmTensor>(fieldi);
initialiseMeanField<tensor>(fieldi);
}
forAll(faItems_, fieldi)
{
initialisePrime2MeanField<scalar, scalar>(fieldi);
initialisePrime2MeanField<vector, symmTensor>(fieldi);
}
}
void Foam::functionObjects::fieldAverage::restart()
{
Log << " Restarting averaging at time " << obr_.time().name() << nl;
// Clear the times
totalIter_ = 0;
totalTime_ = -1;
// Clear mean fields
forAll(faItems_, i)
{
if (faItems_[i].mean())
{
if (obr_.found(faItems_[i].meanFieldName()))
{
obr_.checkOut(*obr_[faItems_[i].meanFieldName()]);
}
}
if (faItems_[i].prime2Mean())
{
if (obr_.found(faItems_[i].prime2MeanFieldName()))
{
obr_.checkOut(*obr_[faItems_[i].prime2MeanFieldName()]);
}
}
}
// Re-create any mean fields
initialise();
// Ensure first averaging works unconditionally
prevTimeIndex_ = -1;
}
void Foam::functionObjects::fieldAverage::calcAverages()
{
Log << type() << " " << name() << ":" << nl;
const label currentTimeIndex = obr_.time().timeIndex();
const scalar currentTime = obr_.time().value();
if (prevTimeIndex_ == currentTimeIndex)
{
return;
}
prevTimeIndex_ = currentTimeIndex;
if (periodicRestart_ && currentTime > restartPeriod_*periodIndex_)
{
restart();
periodIndex_++;
}
else
{
initialise();
}
// Increment the time and iteration totals
forAll(faItems_, fieldi)
{
totalIter_[fieldi]++;
totalTime_[fieldi] += obr_.time().deltaTValue();
}
Log << " Calculating averages" << nl;
addMeanSqrToPrime2Mean<scalar, scalar>();
addMeanSqrToPrime2Mean<vector, symmTensor>();
calculateMeanFields<scalar>();
calculateMeanFields<vector>();
calculateMeanFields<sphericalTensor>();
calculateMeanFields<symmTensor>();
calculateMeanFields<tensor>();
calculatePrime2MeanFields<scalar, scalar>();
calculatePrime2MeanFields<vector, symmTensor>();
Log << endl;
}
void Foam::functionObjects::fieldAverage::writeAverages() const
{
Log << type() << " " << name() << ":" << nl
<< " Writing average fields" << endl;
writeFields<scalar>();
writeFields<vector>();
writeFields<sphericalTensor>();
writeFields<symmTensor>();
writeFields<tensor>();
timeIOdictionary propsDict
(
IOobject
(
name() + "Properties",
obr_.time().name(),
"uniform",
obr_,
IOobject::NO_READ,
IOobject::NO_WRITE,
false
)
);
forAll(faItems_, fieldi)
{
const word& fieldName = faItems_[fieldi].fieldName();
propsDict.add(fieldName, dictionary());
propsDict.subDict(fieldName).add("totalIter", totalIter_[fieldi]);
propsDict.subDict(fieldName).add("totalTime", totalTime_[fieldi]);
}
propsDict.regIOobject::write();
Log << endl;
}
void Foam::functionObjects::fieldAverage::read
(
const dictionary& dict,
const bool construct
)
{
dict.readIfPresent("restartOnRestart", restartOnRestart_);
dict.readIfPresent("restartOnOutput", restartOnOutput_);
dict.readIfPresent("periodicRestart", periodicRestart_);
if (periodicRestart_)
{
dict.lookup("restartPeriod") >> restartPeriod_;
}
mean_ = dict.lookupOrDefault<Switch>("mean", true);
prime2Mean_ = dict.lookupOrDefault<Switch>("prime2Mean", false);
base_ = baseTypeNames_[dict.lookupOrDefault<word>("base", "time")];
window_ = dict.lookupOrDefault<scalar>("window", -1);
windowName_ = dict.lookupOrDefault<word>("windowName", "");
if (construct)
{
// First read of a run. Look for properties dict and read total
// iter/time values from it if available.
faItems_.clear();
totalIter_.clear();
totalTime_.clear();
faItems_ =
PtrList<fieldAverageItem>
(
dict.lookup("fields"),
fieldAverageItem::iNew(*this)
);
totalIter_.setSize(faItems_.size(), 0);
totalTime_.setSize(faItems_.size(), -1);
typeIOobject<timeIOdictionary> propsDictHeader
(
name() + "Properties",
obr_.time().name(),
"uniform",
obr_,
IOobject::MUST_READ_IF_MODIFIED,
IOobject::NO_WRITE,
false
);
dictionary propsDict;
if
(
!restartOnRestart_
&& !restartOnOutput_
&& propsDictHeader.headerOk()
)
{
propsDict = timeIOdictionary(propsDictHeader);
}
bool first = true;
forAll(faItems_, fieldi)
{
const word& fieldName = faItems_[fieldi].fieldName();
if (!propsDict.found(fieldName))
{
if (first)
{
Log << " Starting averaging for fields:" << nl;
first = false;
}
Log << " " << fieldName << nl;
}
}
first = true;
forAll(faItems_, fieldi)
{
const word& fieldName = faItems_[fieldi].fieldName();
if (propsDict.found(fieldName))
{
if (first)
{
Log << " Restarting averaging for fields:" << nl;
first = false;
}
const dictionary& fieldPropsDict = propsDict.subDict(fieldName);
totalIter_[fieldi] = fieldPropsDict.lookup<label>("totalIter");
totalTime_[fieldi] = fieldPropsDict.lookup<scalar>("totalTime");
Log << " " << fieldName
<< " iters = " << totalIter_[fieldi]
<< " time = " << totalTime_[fieldi] << nl;
}
}
}
else
{
// Re-read during a run. Read the items and copy the per-field total
// iter/times from the old items to the new.
PtrList<fieldAverageItem> faItems0;
List<label> totalIter0;
List<scalar> totalTime0;
faItems0.transfer(faItems_);
totalIter0.transfer(totalIter_);
totalTime0.transfer(totalTime_);
faItems_ =
PtrList<fieldAverageItem>
(
dict.lookup("fields"),
fieldAverageItem::iNew(*this)
);
totalIter_.resize(faItems_.size(), 0);
totalTime_.resize(faItems_.size(), -1);
// Map from field to old-field index
labelList fieldiFieldi0s(faItems_.size(), -1);
forAll(faItems_, fieldi)
{
const word& fieldName = faItems_[fieldi].fieldName();
forAll(faItems0, fieldi0)
{
if (faItems0[fieldi0].fieldName() == fieldName)
{
fieldiFieldi0s[fieldi] = fieldi0;
break;
}
}
}
bool first = true;
forAll(faItems_, fieldi)
{
if (fieldiFieldi0s[fieldi] == -1)
{
if (first)
{
Log << " Starting averaging for fields:" << nl;
first = true;
}
Log << " " << faItems_[fieldi].fieldName() << nl;
}
}
first = true;
forAll(faItems_, fieldi)
{
if (fieldiFieldi0s[fieldi] != -1)
{
if (first)
{
Log << " Continuing averaging for fields:" << nl;
first = true;
}
totalIter_[fieldi] = totalIter0[fieldiFieldi0s[fieldi]];
totalTime_[fieldi] = totalTime0[fieldiFieldi0s[fieldi]];
Log << " " << faItems_[fieldi].fieldName()
<< " iters = " << totalIter_[fieldi]
<< " time = " << totalTime_[fieldi] << nl;
}
}
}
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::functionObjects::fieldAverage::fieldAverage
(
const word& name,
const Time& runTime,
const dictionary& dict
)
:
fvMeshFunctionObject(name, runTime, dict),
prevTimeIndex_(-1),
restartOnRestart_(false),
restartOnOutput_(false),
periodicRestart_(false),
restartPeriod_(great),
base_(baseType::iter),
window_(-1.0),
windowName_(""),
faItems_(),
totalIter_(),
totalTime_(),
periodIndex_(1)
{
fvMeshFunctionObject::read(dict);
Log << type() << " " << name << ":" << nl;
read(dict, true);
// Read any available mean fields
forAll(faItems_, fieldi)
{
readMeanField<scalar>(fieldi);
readMeanField<vector>(fieldi);
readMeanField<sphericalTensor>(fieldi);
readMeanField<symmTensor>(fieldi);
readMeanField<tensor>(fieldi);
}
forAll(faItems_, fieldi)
{
readPrime2MeanField<scalar, scalar>(fieldi);
readPrime2MeanField<vector, symmTensor>(fieldi);
}
Log << endl;
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::functionObjects::fieldAverage::~fieldAverage()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::functionObjects::fieldAverage::read(const dictionary& dict)
{
fvMeshFunctionObject::read(dict);
Log << type() << " " << name() << ":" << nl;
read(dict, false);
Log << endl;
return true;
}
Foam::wordList Foam::functionObjects::fieldAverage::fields() const
{
wordList fields(faItems_.size());
forAll(faItems_, fieldi)
{
fields[fieldi] = faItems_[fieldi].fieldName();
}
return fields;
}
bool Foam::functionObjects::fieldAverage::execute()
{
if (functionObject::postProcess)
{
WarningInFunction
<< "fieldAverage is not supported with the foamPostProcess utility"
<< endl;
return false;
}
calcAverages();
return true;
}
bool Foam::functionObjects::fieldAverage::write()
{
writeAverages();
if (restartOnOutput_)
{
restart();
}
return true;
}
// ************************************************************************* //