ENH: extractEulerianParticles FO updates

This commit is contained in:
Andrew Heather
2016-12-01 16:51:11 +00:00
parent f666f54984
commit 6d8281e217
10 changed files with 723 additions and 17 deletions

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@ -0,0 +1,370 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2015-2016 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 "extractEulerianParticleDistribution.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
defineTypeNameAndDebug(extractEulerianParticleDistribution, 0);
addToRunTimeSelectionTable
(
functionObject,
extractEulerianParticleDistribution,
dictionary
);
}
}
// * * * * * * * * * * * * Protected Member Functions * * * * * * * * * * * //
void
Foam::functionObjects::extractEulerianParticleDistribution::initialiseBins()
{
DebugInFunction << endl;
const faceZone& fz = mesh_.faceZones()[zoneID_];
// Agglomerate faceZone faces into nInjectorLocations_ global locations
const indirectPrimitivePatch patch
(
IndirectList<face>(mesh_.faces(), fz),
mesh_.points()
);
const label nFaces = fz.size();
label nLocations = nInjectorLocations_;
if (Pstream::parRun())
{
label nGlobalFaces = returnReduce(nFaces, sumOp<label>());
scalar fraction = scalar(nFaces)/scalar(nGlobalFaces);
nLocations = ceil(fraction*nInjectorLocations_);
if (debug)
{
Pout<< "nFaces:" << nFaces
<< ", nGlobalFaces:" << nGlobalFaces
<< ", fraction:" << fraction
<< ", nLocations:" << nLocations
<< endl;
}
}
pairPatchAgglomeration ppa(patch, 10, 50, nLocations, labelMax, 180);
ppa.agglomerate();
label nCoarseFaces = 0;
if (nFaces != 0)
{
fineToCoarseAddr_ = ppa.restrictTopBottomAddressing();
nCoarseFaces = max(fineToCoarseAddr_) + 1;
coarseToFineAddr_ = invertOneToMany(nCoarseFaces, fineToCoarseAddr_);
// Set coarse face centres as area average of fine face centres
const vectorField& faceCentres = mesh_.faceCentres();
const vectorField& faceAreas = mesh_.faceAreas();
coarsePosition_.setSize(coarseToFineAddr_.size());
forAll(coarseToFineAddr_, coarsei)
{
const labelList& fineFaces = coarseToFineAddr_[coarsei];
scalar sumArea = 0;
vector averagePosition(vector::zero);
forAll(fineFaces, i)
{
label facei = fz[fineFaces[i]];
scalar magSf = mag(faceAreas[facei]);
sumArea += magSf;
averagePosition += magSf*faceCentres[facei];
}
coarsePosition_[coarsei] = averagePosition/sumArea;
}
}
// Create global addressing for coarse face addressing
globalCoarseFaces_ = globalIndex(nCoarseFaces);
Info<< "Created " << returnReduce(nCoarseFaces, sumOp<label>())
<< " coarse faces" << endl;
}
void
Foam::functionObjects::extractEulerianParticleDistribution::
writeBinnedParticleData()
{
DebugInFunction << endl;
// Gather particles ready for collection from all procs
List<List<eulerianParticle> > allProcParticles(Pstream::nProcs());
allProcParticles[Pstream::myProcNo()] = collectedParticles_;
Pstream::gatherList(allProcParticles);
Pstream::scatterList(allProcParticles);
List<eulerianParticle> allParticles =
ListListOps::combine<List<eulerianParticle> >
(
allProcParticles,
accessOp<List<eulerianParticle> >()
);
// Determine coarse face index (global) and position for each particle
label nCoarseFaces = globalCoarseFaces_.size();
List<label> particleCoarseFacei(allParticles.size(), -1);
List<point> particleCoarseFacePosition(nCoarseFaces, point::min);
forAll(allParticles, particlei)
{
const eulerianParticle& p = allParticles[particlei];
label globalFaceHiti = p.globalFaceIHit;
if (globalFaces_.isLocal(globalFaceHiti))
{
label localFacei = globalFaces_.toLocal(globalFaceHiti);
label coarseFacei = fineToCoarseAddr_[localFacei];
label globalCoarseFacei = globalCoarseFaces_.toGlobal(coarseFacei);
particleCoarseFacei[particlei] = globalCoarseFacei;
particleCoarseFacePosition[globalCoarseFacei] =
coarsePosition_[coarseFacei];
}
}
Pstream::listCombineGather(particleCoarseFacei, maxEqOp<label>());
Pstream::listCombineGather(particleCoarseFacePosition, maxEqOp<point>());
// Write the agglomerated particle data to file
DynamicList<label> processedCoarseFaces;
if (Pstream::master())
{
fileName baseDir(dictBaseFileDir()/name());
IOdictionary dict
(
IOobject
(
"particleDistribution",
obr_.time().timeName(),
baseDir,
obr_,
IOobject::NO_READ,
IOobject::NO_WRITE
)
);
labelListList coarseFaceToParticle =
invertOneToMany(nCoarseFaces, particleCoarseFacei);
// Process the allParticles per coarse face
forAll(coarseFaceToParticle, globalCoarseFacei)
{
const List<label>& particleIDs =
coarseFaceToParticle[globalCoarseFacei];
const label nParticle = particleIDs.size();
if (nParticle == 0)
{
continue;
}
Field<scalar> pd(particleIDs.size());
scalar sumV = 0;
vector sumVU = vector::zero;
scalar startTime = GREAT;
scalar endTime = -GREAT;
forAll(particleIDs, i)
{
const label particlei = particleIDs[i];
const eulerianParticle& p = allParticles[particlei];
scalar pDiameter = cbrt(6*p.V/constant::mathematical::pi);
pd[i] = pDiameter;
sumV += p.V;
sumVU += p.VU;
startTime = min(startTime, outputTimes_[p.timeIndex]);
endTime = max(endTime, outputTimes_[p.timeIndex + 1]);
}
if (sumV < ROOTVSMALL)
{
// Started collecting particle info, but not accumulated any
// volume yet
continue;
}
distributionModels::binned binnedDiameters
(
pd,
distributionBinWidth_,
rndGen_
);
// Velocity info hard-coded to volume average
vector Uave = sumVU/sumV;
dictionary particleDict;
particleDict.add("startTime", startTime);
particleDict.add("endTime", endTime);
particleDict.add("nParticle", nParticle);
particleDict.add
(
"position",
particleCoarseFacePosition[globalCoarseFacei]
);
particleDict.add("volume", sumV);
particleDict.add("U", Uave);
particleDict.add
(
"binnedDistribution",
binnedDiameters.writeDict("distribution")
);
dict.add
(
word("sample" + Foam::name(globalCoarseFacei)),
particleDict
);
processedCoarseFaces.append(globalCoarseFacei);
}
dict.regIOobject::write();
}
if (resetDistributionOnWrite_)
{
// Remove particles from processed coarse faces from collectedParticles_
Pstream::scatter(processedCoarseFaces);
labelHashSet processedFaces(processedCoarseFaces);
DynamicList<eulerianParticle> nonProcessedParticles;
forAll(collectedParticles_, particlei)
{
const eulerianParticle& p = collectedParticles_[particlei];
label localFacei = globalFaces_.toLocal(p.globalFaceIHit);
label coarseFacei = fineToCoarseAddr_[localFacei];
label globalCoarseFacei = globalCoarseFaces_.toGlobal(coarseFacei);
if (!processedFaces.found(globalCoarseFacei))
{
nonProcessedParticles.append(p);
}
}
collectedParticles_.transfer(nonProcessedParticles);
}
}
// * * * * * * * * * * * * * * * * Constructor * * * * * * * * * * * * * * * //
Foam::functionObjects::extractEulerianParticleDistribution::
extractEulerianParticleDistribution
(
const word& name,
const Time& runTime,
const dictionary& dict,
const bool readFields
)
:
extractEulerianParticleDistribution(name, runTime, dict, false),
nInjectorLocations_(0),
resetDistributionOnWrite_(false),
distributionBinWidth_(0)
fineToCoarseAddr_(),
coarseToFineAddr_(),
coarsePosition_(),
globalCoarseFaces_(),
rndGen_(1234, -1)
{
// We need to cache the collected particles in order to determine the
// distributions
cacheCollectedParticles_ = true;
if (readFields)
{
read(dict);
}
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::functionObjects::extractEulerianParticleDistribution::
~extractEulerianParticleDistribution()
{}
// * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * * //
bool Foam::functionObjects::extractEulerianParticleDistribution::read
(
const dictionary& dict
)
{
DebugInFunction << endl;
if (extractEulerianParticles::read(dict))
{
dict.lookup("nLocations") >> nInjectorLocations_;
dict.lookup("distributionBinWidth") >> distributionBinWidth_;
dict.lookup("resetDistributionOnWrite") >> resetDistributionOnWrite_;
initialiseBins();
return true;
}
return false;
}
bool Foam::functionObjects::extractEulerianParticleDistribution::execute()
{
DebugInFunction << endl;
return extractEulerianParticles::execute();
}
bool Foam::functionObjects::extractEulerianParticleDistribution::write()
{
DebugInFunction << endl;
if (extractEulerianParticles::write())
{
writeBinnedParticleData();
return true;
}
return false;
}
// ************************************************************************* //

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@ -0,0 +1,197 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2015-2016 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/>.
Class
Foam::functionObjects::extractEulerianParticleDistribution
Group
grpFieldFunctionObjects
Description
Generates particle size information from Eulerian calculations, e.g. VoF.
Particle data is written to the directory:
\verbatim
$FOAM_CASE/postProcessing/<name>/particleDistribution
\endverbatim
Usage
extractEulerianParticleDistribution1
{
type extractEulerianParticleDistribution;
libs ("libfieldFunctionObjects.so");
...
faceZone f0;
nLocations 10;
alphaName alpha.water;
UName U;
rhoName rho;
phiName phi;
writeRawData yes;
}
\endverbatim
where the entries comprise:
\table
Property | Description | Required | Default value
type | type name: extractEulerianParticleDistribution | yes |
faceZone | Name of faceZone used as collection surface | yes |
nLocations | Number of injection bins to generate | yes |
aplhaName | Name of phase indicator field | yes |
rhoName | Name of density field | yes |
phiName | Name of flux field | yes |
distributionBinWidth | Binned distribution bin width| yes |
writeRawData | Flag to write raw particle data | yes |
\endtable
SourceFiles
extractEulerianParticleDistribution.C
\*---------------------------------------------------------------------------*/
#ifndef functionObjects_extractEulerianParticleDistribution_H
#define functionObjects_extractEulerianParticleDistribution_H
#include "extractEulerianParticles.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
/*---------------------------------------------------------------------------*\
Class extractEulerianParticleDistributionFunctionObject Declaration
\*---------------------------------------------------------------------------*/
class extractEulerianParticleDistribution
:
public extractEulerianParticles
{
protected:
// Protected data
// Agglomeration
//- Number of sample locations to generate
label nInjectorLocations_;
//- Agglomeration addressing from fine to coarse
labelList fineToCoarseAddr_;
//- Agglomeration addressing from coarse to fine
labelListList coarseToFineAddr_;
//- Coarse face positions
vectorList coarsePosition_;
//- Global coarse face addressing
globalIndex globalCoarseFaces_;
// Particle collection info
//- Flag to reset the distribution on each write
bool resetDistributionOnWrite_;
//- Diameter distribution bin width
scalar distributionBinWidth_;
//- Random class needed by distribution models
cachedRandom rndGen_;
// Protected Member Functions
//- Initialise the particle collection bins
virtual void initialiseBins();
//- Write agglomerated particle data to stream
virtual void writeBinnedParticleData();
//- Disallow default bitwise copy construct
extractEulerianParticleDistribution
(
const extractEulerianParticleDistribution&
);
//- Disallow default bitwise assignment
void operator=(const extractEulerianParticleDistribution&);
public:
// Static data members
//- Static data staticData
TypeName("extractEulerianParticleDistribution");
// Constructors
//- Construct from components
extractEulerianParticleDistribution
(
const word& name,
const Time& runTime,
const dictionary& dict,
const bool readFields = true
);
//- Destructor
virtual ~extractEulerianParticleDistribution();
// Member Functions
//- Read the field min/max data
virtual bool read(const dictionary&);
//- Execute
virtual bool execute();
//- Write
virtual bool write();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace functionObjects
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#ifdef NoRepository
#include "extractEulerianParticleDistributionTemplates.C"
#endif
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //

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@ -119,6 +119,11 @@ void Foam::functionObjects::extractEulerianParticles::initialiseBins()
{
DebugInFunction << endl;
if (!nInjectorLocations_)
{
return;
}
const faceZone& fz = mesh_.faceZones()[zoneID_];
// Agglomerate faceZone faces into nInjectorLocations_ global locations
@ -159,8 +164,9 @@ void Foam::functionObjects::extractEulerianParticles::initialiseBins()
const vectorField& faceCentres = mesh_.faceCentres();
const vectorField& faceAreas = mesh_.faceAreas();
coarsePosition_.setSize(nCoarseFaces);
scalarField coarseArea(nCoarseFaces);
forAll(coarsePosition_, i)
coarsePosition_ = vector::zero;
scalarField coarseArea(nCoarseFaces, 0);
forAll(fz, i)
{
const label facei = fz[i];
const label coarseFacei = fineToCoarseAddr_[i];
@ -168,6 +174,7 @@ void Foam::functionObjects::extractEulerianParticles::initialiseBins()
coarseArea[coarseFacei] += magSf;
coarsePosition_[coarseFacei] += magSf*faceCentres[facei];
}
coarsePosition_ /= coarseArea + ROOTVSMALL;
}
@ -310,11 +317,16 @@ void Foam::functionObjects::extractEulerianParticles::collectParticles
const scalar d = cbrt(6*p.V/constant::mathematical::pi);
const point position = p.VC/(p.V + ROOTVSMALL);
const vector U = p.VU/(p.V + ROOTVSMALL);
label tag = -1;
if (nInjectorLocations_)
{
tag = p.globalFaceIHit;
}
injectedParticle* ip = new injectedParticle
(
mesh_,
position,
tag,
time,
d,
U
@ -545,7 +557,7 @@ Foam::functionObjects::extractEulerianParticles::extractEulerianParticles
UName_("U"),
rhoName_("rho"),
phiName_("phi"),
nInjectorLocations_(-1),
nInjectorLocations_(0),
fineToCoarseAddr_(),
coarsePosition_(),
globalCoarseFaces_(),
@ -555,7 +567,6 @@ Foam::functionObjects::extractEulerianParticles::extractEulerianParticles
regionToParticleMap_(),
minDiameter_(ROOTVSMALL),
maxDiameter_(GREAT),
rndGen_(1234, -1),
nCollectedParticles_(0),
nDiscardedParticles_(0),
discardedVolume_(0)
@ -675,10 +686,7 @@ bool Foam::functionObjects::extractEulerianParticles::write()
{
DebugInFunction << endl;
if (Pstream::master())
{
cloud_.write();
}
return true;
}

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@ -172,9 +172,6 @@ protected:
// Can be used to filter out 'large' particles
scalar maxDiameter_;
//- Random class needed by distribution models
cachedRandom rndGen_;
// Statistics

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@ -0,0 +1,36 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2016 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 "injectedParticle.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
defineTypeNameAndDebug(injectedParticle, 0);
}
// ************************************************************************* //

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@ -74,6 +74,9 @@ protected:
// Particle properties
//- Tag
label tag_;
//- Start of injection [s]
scalar soi_;
@ -95,7 +98,8 @@ public:
AddToPropertyList
(
particle,
" soi"
" tag"
+ " soi"
+ " d"
+ " (Ux Uy Uz)";
);
@ -104,7 +108,8 @@ public:
AddToPropertyTypes
(
particle,
"{scalar"
"{label"
+ " scalar"
+ " scalar"
+ " vector}"
);
@ -117,6 +122,7 @@ public:
(
const polyMesh& mesh,
const vector& position,
const label tag,
const scalar soi,
const scalar d,
const vector& U
@ -175,6 +181,9 @@ public:
// Access
//- Return const access to the tag
inline label tag() const;
//- Return const access to the start of injection
inline scalar soi() const;
@ -187,7 +196,10 @@ public:
// Edit
//- Return start of injection
//- Return the tag
inline label& tag();
//- Return the start of injection
inline scalar& soi();
//- Return access to diameter
@ -205,6 +217,13 @@ public:
//- Write
static void writeFields(const Cloud<injectedParticle>& c);
//- Write particle fields as objects into the obr registry
static void writeObjects
(
const Cloud<injectedParticle>& c,
objectRegistry& obr
);
// Ostream Operator

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@ -25,6 +25,11 @@ License
#include "injectedParticleCloud.H"
namespace Foam
{
defineNamedTemplateTypeNameAndDebug(Cloud<injectedParticle>, 0);
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::injectedParticleCloud::injectedParticleCloud
@ -49,4 +54,12 @@ Foam::injectedParticleCloud::~injectedParticleCloud()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
void Foam::injectedParticleCloud::writeObjects(objectRegistry& obr) const
{
injectedParticle::writeObjects(*this, obr);
}
// ************************************************************************* //

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@ -80,6 +80,14 @@ public:
//- Destructor
virtual ~injectedParticleCloud();
// Member Functions
// I-O
//- Write particle fields as objects into the obr registry
virtual void writeObjects(objectRegistry& obr) const;
};

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@ -30,15 +30,26 @@ inline Foam::injectedParticle::injectedParticle
(
const polyMesh& mesh,
const vector& position,
const label tag,
const scalar soi,
const scalar d,
const vector& U
)
:
particle(mesh, position, -1, false)
particle(mesh, position, -1, false),
tag_(tag),
soi_(soi),
d_(d),
U_(U)
{}
inline Foam::label Foam::injectedParticle::tag() const
{
return tag_;
}
inline Foam::scalar Foam::injectedParticle::soi() const
{
return soi_;
@ -57,6 +68,12 @@ inline const Foam::vector& Foam::injectedParticle::U() const
}
inline Foam::label& Foam::injectedParticle::tag()
{
return tag_;
}
inline Foam::scalar& Foam::injectedParticle::soi()
{
return soi_;

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@ -38,7 +38,7 @@ Foam::string Foam::injectedParticle::propertyTypes_ =
const std::size_t Foam::injectedParticle::sizeofFields
(
sizeof(scalar) + sizeof(scalar) + sizeof(vector)
sizeof(label) + sizeof(scalar) + sizeof(scalar) + sizeof(vector)
);
@ -52,6 +52,7 @@ Foam::injectedParticle::injectedParticle
)
:
particle(mesh, is, readFields),
tag_(-1),
soi_(0.0),
d_(0.0),
U_(Zero)
@ -60,6 +61,7 @@ Foam::injectedParticle::injectedParticle
{
if (is.format() == IOstream::ASCII)
{
tag_ = readLabel(is);
soi_ = readScalar(is);
d_ = readScalar(is);
is >> U_;
@ -88,6 +90,9 @@ void Foam::injectedParticle::readFields(Cloud<injectedParticle>& c)
particle::readFields(c);
IOField<label> tag(c.fieldIOobject("tag", IOobject::MUST_READ));
c.checkFieldIOobject(c, tag);
IOField<scalar> soi(c.fieldIOobject("soi", IOobject::MUST_READ));
c.checkFieldIOobject(c, soi);
@ -103,6 +108,7 @@ void Foam::injectedParticle::readFields(Cloud<injectedParticle>& c)
{
injectedParticle& p = iter();
p.tag_ = tag[i];
p.soi_ = soi[i];
p.d_ = d[i];
p.U_ = U[i];
@ -118,6 +124,7 @@ void Foam::injectedParticle::writeFields(const Cloud<injectedParticle>& c)
label np = c.size();
IOField<label> tag(c.fieldIOobject("tag", IOobject::NO_READ), np);
IOField<scalar> soi(c.fieldIOobject("soi", IOobject::NO_READ), np);
IOField<scalar> d(c.fieldIOobject("d", IOobject::NO_READ), np);
IOField<vector> U(c.fieldIOobject("U", IOobject::NO_READ), np);
@ -128,6 +135,7 @@ void Foam::injectedParticle::writeFields(const Cloud<injectedParticle>& c)
{
const injectedParticle& p = iter();
tag[i] = p.tag();
soi[i] = p.soi();
d[i] = p.d();
U[i] = p.U();
@ -135,12 +143,44 @@ void Foam::injectedParticle::writeFields(const Cloud<injectedParticle>& c)
i++;
}
tag.write();
soi.write();
d.write();
U.write();
}
void Foam::injectedParticle::writeObjects
(
const Cloud<injectedParticle>& c,
objectRegistry& obr
)
{
particle::writeObjects(c, obr);
label np = c.size();
IOField<label>& tag(cloud::createIOField<label>("tag", np, obr));
IOField<scalar>& soi(cloud::createIOField<scalar>("soi", np, obr));
IOField<scalar>& d(cloud::createIOField<scalar>("d", np, obr));
IOField<vector>& U(cloud::createIOField<vector>("U", np, obr));
label i = 0;
forAllConstIter(Cloud<injectedParticle>, c, iter)
{
const injectedParticle& p = iter();
tag[i] = p.tag();
soi[i] = p.soi();
d[i] = p.d();
U[i] = p.U();
i++;
}
}
// * * * * * * * * * * * * * * * IOstream Operators * * * * * * * * * * * * //
Foam::Ostream& Foam::operator<<
@ -152,6 +192,7 @@ Foam::Ostream& Foam::operator<<
if (os.format() == IOstream::ASCII)
{
os << static_cast<const particle&>(p)
<< token::SPACE << p.tag()
<< token::SPACE << p.soi()
<< token::SPACE << p.d()
<< token::SPACE << p.U();