openfoam/applications/test/PatchFunction1/MappedField.C
2018-10-29 09:44:31 +00:00

402 lines
11 KiB
C

/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2018 OpenCFD Ltd.
\\/ 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 "polyMesh.H"
#include "IFstream.H"
#include "AverageField.H"
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
template<class Type>
Foam::PatchFunction1Types::MappedField<Type>::MappedField
(
const polyPatch& pp,
const word& entryName,
const dictionary& dict
)
:
PatchFunction1<Type>(pp, entryName, dict),
fieldTableName_(entryName),
setAverage_(dict.lookupOrDefault("setAverage", false)),
perturb_(dict.lookupOrDefault("perturb", 1e-5)),
pointsName_(dict.lookupOrDefault<word>("points", "points")),
mapMethod_
(
dict.lookupOrDefault<word>
(
"mapMethod",
"planarInterpolation"
)
),
mapperPtr_(nullptr),
sampleTimes_(0),
startSampleTime_(-1),
startSampledValues_(0),
startAverage_(Zero),
endSampleTime_(-1),
endSampledValues_(0),
endAverage_(Zero),
offset_()
{
if (dict.found("offset"))
{
offset_ = Function1<Type>::New("offset", dict);
}
if
(
mapMethod_ != "planarInterpolation"
&& mapMethod_ != "nearest"
)
{
FatalIOErrorInFunction(dict)
<< "mapMethod should be one of 'planarInterpolation'"
<< ", 'nearest'" << exit(FatalIOError);
}
dict.readIfPresent("fieldTable", fieldTableName_);
}
template<class Type>
Foam::PatchFunction1Types::MappedField<Type>::MappedField
(
const MappedField<Type>& ut
)
:
PatchFunction1<Type>(ut),
fieldTableName_(ut.fieldTableName_),
setAverage_(ut.setAverage_),
perturb_(ut.perturb_),
pointsName_(ut.pointsName_),
mapMethod_(ut.mapMethod_),
mapperPtr_(nullptr),
sampleTimes_(ut.sampleTimes_),
startSampleTime_(ut.startSampleTime_),
startSampledValues_(ut.startSampledValues_),
startAverage_(ut.startAverage_),
endSampleTime_(ut.endSampleTime_),
endSampledValues_(ut.endSampledValues_),
endAverage_(ut.endAverage_),
offset_(ut.offset_.clone())
{}
template<class Type>
Foam::PatchFunction1Types::MappedField<Type>::MappedField
(
const MappedField<Type>& ut,
const polyPatch& pp
)
:
PatchFunction1<Type>(ut, pp),
fieldTableName_(ut.fieldTableName_),
setAverage_(ut.setAverage_),
perturb_(ut.perturb_),
pointsName_(ut.pointsName_),
mapMethod_(ut.mapMethod_),
mapperPtr_(nullptr),
sampleTimes_(ut.sampleTimes_),
startSampleTime_(ut.startSampleTime_),
startSampledValues_(ut.startSampledValues_),
startAverage_(ut.startAverage_),
endSampleTime_(ut.endSampleTime_),
endSampledValues_(ut.endSampledValues_),
endAverage_(ut.endAverage_),
offset_(ut.offset_.clone())
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
template<class Type>
void Foam::PatchFunction1Types::MappedField<Type>::autoMap
(
const FieldMapper& mapper
)
{
if (startSampledValues_.size())
{
startSampledValues_.autoMap(mapper);
endSampledValues_.autoMap(mapper);
}
// Clear interpolator
mapperPtr_.clear();
startSampleTime_ = -1;
endSampleTime_ = -1;
}
template<class Type>
void Foam::PatchFunction1Types::MappedField<Type>::rmap
(
const PatchFunction1<Type>& pf1,
const labelList& addr
)
{
const PatchFunction1Types::MappedField<Type>& tiptf =
refCast<const PatchFunction1Types::MappedField<Type>>(pf1);
startSampledValues_.rmap(tiptf.startSampledValues_, addr);
endSampledValues_.rmap(tiptf.endSampledValues_, addr);
// Clear interpolator
mapperPtr_.clear();
startSampleTime_ = -1;
endSampleTime_ = -1;
}
template<class Type>
void Foam::PatchFunction1Types::MappedField<Type>::checkTable() const
{
const polyMesh& mesh = this->patch_.boundaryMesh().mesh();
// Initialise
if (mapperPtr_.empty())
{
// Reread values and interpolate
fileName samplePointsFile
(
mesh.time().path()
/mesh.time().caseConstant()
/"boundaryData"
/this->patch_.name()
/pointsName_
);
pointField samplePoints((IFstream(samplePointsFile)()));
DebugInfo
<< " Read " << samplePoints.size() << " sample points from "
<< samplePointsFile << endl;
// tbd: run-time selection
bool nearestOnly =
(
!mapMethod_.empty()
&& mapMethod_ != "planarInterpolation"
);
// Allocate the interpolator
mapperPtr_.reset
(
new pointToPointPlanarInterpolation
(
samplePoints,
this->patch_.faceCentres(),
perturb_,
nearestOnly
)
);
// Read the times for which data is available
const fileName samplePointsDir = samplePointsFile.path();
sampleTimes_ = Time::findTimes(samplePointsDir);
DebugInfo
<< "In directory "
<< samplePointsDir << " found times "
<< pointToPointPlanarInterpolation::timeNames(sampleTimes_)
<< endl;
}
// Find current time in sampleTimes
label lo = -1;
label hi = -1;
bool foundTime = mapperPtr_().findTime
(
sampleTimes_,
startSampleTime_,
mesh.time().value(),
lo,
hi
);
if (!foundTime)
{
FatalErrorInFunction
<< "Cannot find starting sampling values for current time "
<< mesh.time().value() << nl
<< "Have sampling values for times "
<< pointToPointPlanarInterpolation::timeNames(sampleTimes_) << nl
<< "In directory "
<< mesh.time().constant()/"boundaryData"/this->patch_.name()
<< "\n on patch " << this->patch_.name()
<< " of field " << fieldTableName_
<< exit(FatalError);
}
// Update sampled data fields.
if (lo != startSampleTime_)
{
startSampleTime_ = lo;
if (startSampleTime_ == endSampleTime_)
{
// No need to reread since are end values
if (debug)
{
Pout<< "checkTable : Setting startValues to (already read) "
<< "boundaryData"
/this->patch_.name()
/sampleTimes_[startSampleTime_].name()
<< endl;
}
startSampledValues_ = endSampledValues_;
startAverage_ = endAverage_;
}
else
{
if (debug)
{
Pout<< "checkTable : Reading startValues from "
<< "boundaryData"
/this->patch_.name()
/sampleTimes_[lo].name()
<< endl;
}
// Reread values and interpolate
fileName valsFile
(
mesh.time().path()
/mesh.time().caseConstant()
/"boundaryData"
/this->patch_.name()
/sampleTimes_[startSampleTime_].name()
/fieldTableName_
);
Field<Type> vals;
if (setAverage_)
{
AverageField<Type> avals((IFstream(valsFile)()));
vals = avals;
startAverage_ = avals.average();
}
else
{
IFstream(valsFile)() >> vals;
}
if (vals.size() != mapperPtr_().sourceSize())
{
FatalErrorInFunction
<< "Number of values (" << vals.size()
<< ") differs from the number of points ("
<< mapperPtr_().sourceSize()
<< ") in file " << valsFile << exit(FatalError);
}
startSampledValues_ = mapperPtr_().interpolate(vals);
}
}
if (hi != endSampleTime_)
{
endSampleTime_ = hi;
if (endSampleTime_ == -1)
{
// endTime no longer valid. Might as well clear endValues.
if (debug)
{
Pout<< "checkTable : Clearing endValues" << endl;
}
endSampledValues_.clear();
}
else
{
if (debug)
{
Pout<< "checkTable : Reading endValues from "
<< "boundaryData"
/this->patch_.name()
/sampleTimes_[endSampleTime_].name()
<< endl;
}
// Reread values and interpolate
fileName valsFile
(
mesh.time().path()
/mesh.time().caseConstant()
/"boundaryData"
/this->patch_.name()
/sampleTimes_[endSampleTime_].name()
/fieldTableName_
);
Field<Type> vals;
if (setAverage_)
{
AverageField<Type> avals((IFstream(valsFile)()));
vals = avals;
endAverage_ = avals.average();
}
else
{
IFstream(valsFile)() >> vals;
}
if (vals.size() != mapperPtr_().sourceSize())
{
FatalErrorInFunction
<< "Number of values (" << vals.size()
<< ") differs from the number of points ("
<< mapperPtr_().sourceSize()
<< ") in file " << valsFile << exit(FatalError);
}
endSampledValues_ = mapperPtr_().interpolate(vals);
}
}
}
template<class Type>
void Foam::PatchFunction1Types::MappedField<Type>::writeData
(
Ostream& os
) const
{
PatchFunction1<Type>::writeData(os);
//os << token::END_STATEMENT << nl;
// uniformValuePtr_->writeData(os);
//os << endl;
}
// ************************************************************************* //