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Merge branch 'master' of develop.openfoam.com:Development/OpenFOAM-plus

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This commit is contained in:
Andrew Heather
2016-04-28 14:23:53 +01:00
parent cfcaaa85e4 4228873d7f
commit 53d7c8121f
3 changed files with 49 additions and 28 deletions
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59
src/finiteVolume/fields/fvPatchFields/derived/activePressureForceBaffleVelocity/activePressureForceBaffleVelocityFvPatchVectorField.C
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@ -3,7 +3,7 @@
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
\\/ M anipulation |
\\/ M anipulation | OpenCFD Ltd 2016
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@ -42,7 +42,6 @@ activePressureForceBaffleVelocityFvPatchVectorField
pName_("p"),
cyclicPatchName_(),
cyclicPatchLabel_(-1),
orientation_(1),
initWallSf_(0),
initCyclicSf_(0),
nbrCyclicSf_(0),
@ -52,7 +51,8 @@ activePressureForceBaffleVelocityFvPatchVectorField
curTimeIndex_(-1),
minThresholdValue_(0),
fBased_(1),
baffleActivated_(0)
baffleActivated_(0),
opening_(1)
{}
@ -69,7 +69,6 @@ activePressureForceBaffleVelocityFvPatchVectorField
pName_(ptf.pName_),
cyclicPatchName_(ptf.cyclicPatchName_),
cyclicPatchLabel_(ptf.cyclicPatchLabel_),
orientation_(ptf.orientation_),
initWallSf_(ptf.initWallSf_),
initCyclicSf_(ptf.initCyclicSf_),
nbrCyclicSf_(ptf.nbrCyclicSf_),
@ -79,7 +78,8 @@ activePressureForceBaffleVelocityFvPatchVectorField
curTimeIndex_(-1),
minThresholdValue_(ptf.minThresholdValue_),
fBased_(ptf.fBased_),
baffleActivated_(ptf.baffleActivated_)
baffleActivated_(ptf.baffleActivated_),
opening_(ptf.opening_)
{}
@ -95,7 +95,6 @@ activePressureForceBaffleVelocityFvPatchVectorField
pName_(dict.lookupOrDefault<word>("p", "p")),
cyclicPatchName_(dict.lookup("cyclicPatch")),
cyclicPatchLabel_(p.patch().boundaryMesh().findPatchID(cyclicPatchName_)),
orientation_(readLabel(dict.lookup("orientation"))),
initWallSf_(0),
initCyclicSf_(0),
nbrCyclicSf_(0),
@ -105,7 +104,8 @@ activePressureForceBaffleVelocityFvPatchVectorField
curTimeIndex_(-1),
minThresholdValue_(readScalar(dict.lookup("minThresholdValue"))),
fBased_(readBool(dict.lookup("forceBased"))),
baffleActivated_(0)
baffleActivated_(0),
opening_(readBool(dict.lookup("opening")))
{
fvPatchVectorField::operator=(vector::zero);
@ -136,7 +136,6 @@ activePressureForceBaffleVelocityFvPatchVectorField
pName_(ptf.pName_),
cyclicPatchName_(ptf.cyclicPatchName_),
cyclicPatchLabel_(ptf.cyclicPatchLabel_),
orientation_(ptf.orientation_),
initWallSf_(ptf.initWallSf_),
initCyclicSf_(ptf.initCyclicSf_),
nbrCyclicSf_(ptf.nbrCyclicSf_),
@ -146,7 +145,8 @@ activePressureForceBaffleVelocityFvPatchVectorField
curTimeIndex_(-1),
minThresholdValue_(ptf.minThresholdValue_),
fBased_(ptf.fBased_),
baffleActivated_(ptf.baffleActivated_)
baffleActivated_(ptf.baffleActivated_),
opening_(ptf.opening_)
{}
@ -161,7 +161,6 @@ activePressureForceBaffleVelocityFvPatchVectorField
pName_(ptf.pName_),
cyclicPatchName_(ptf.cyclicPatchName_),
cyclicPatchLabel_(ptf.cyclicPatchLabel_),
orientation_(ptf.orientation_),
initWallSf_(ptf.initWallSf_),
initCyclicSf_(ptf.initCyclicSf_),
nbrCyclicSf_(ptf.nbrCyclicSf_),
@ -171,7 +170,8 @@ activePressureForceBaffleVelocityFvPatchVectorField
curTimeIndex_(-1),
minThresholdValue_(ptf.minThresholdValue_),
fBased_(ptf.fBased_),
baffleActivated_(ptf.baffleActivated_)
baffleActivated_(ptf.baffleActivated_),
opening_(ptf.opening_)
{}
@ -249,6 +249,7 @@ void Foam::activePressureForceBaffleVelocityFvPatchVectorField::updateCoeffs()
// Execute the change to the openFraction only once per time-step
if (curTimeIndex_ != this->db().time().timeIndex())
{
const volScalarField& p = db().lookupObject<volScalarField>
(
pName_
@ -296,21 +297,23 @@ void Foam::activePressureForceBaffleVelocityFvPatchVectorField::updateCoeffs()
Info<< "Pressure difference = " << valueDiff << endl;
}
if ((mag(valueDiff) > mag(minThresholdValue_)) || baffleActivated_)
if (mag(valueDiff) > mag(minThresholdValue_) || baffleActivated_)
{
openFraction_ =
max(
min(
max
(
min
(
openFraction_
+ min
(
this->db().time().deltaT().value()/openingTime_,
maxOpenFractionDelta_
)*(orientation_),
1 - 1e-6
),
1 - 1e-6
),
1e-6
);
);
baffleActivated_ = true;
}
@ -321,8 +324,20 @@ void Foam::activePressureForceBaffleVelocityFvPatchVectorField::updateCoeffs()
Info<< "Open fraction = " << openFraction_ << endl;
scalar areaFraction = 0.0;
if (opening_)
{
areaFraction = openFraction_;
}
else
{
areaFraction = 1 - openFraction_;
}
// Update this wall patch
vectorField::subField Sfw = patch().patch().faceAreas();
vectorField newSfw((1 - openFraction_)*initWallSf_);
vectorField newSfw((1 - areaFraction)*initWallSf_);
forAll(Sfw, facei)
{
Sfw[facei] = newSfw[facei];
@ -331,14 +346,14 @@ void Foam::activePressureForceBaffleVelocityFvPatchVectorField::updateCoeffs()
// Update owner side of cyclic
const_cast<vectorField&>(cyclicPatch.Sf()) =
openFraction_*initCyclicSf_;
areaFraction*initCyclicSf_;
const_cast<scalarField&>(cyclicPatch.magSf()) =
mag(cyclicPatch.Sf());
// Update neighbour side of cyclic
const_cast<vectorField&>(nbrPatch.Sf()) =
openFraction_*nbrCyclicSf_;
areaFraction*nbrCyclicSf_;
const_cast<scalarField&>(nbrPatch.magSf()) =
mag(nbrPatch.Sf());
@ -357,8 +372,6 @@ write(Ostream& os) const
writeEntryIfDifferent<word>(os, "p", "p", pName_);
os.writeKeyword("cyclicPatch")
<< cyclicPatchName_ << token::END_STATEMENT << nl;
os.writeKeyword("orientation")
<< orientation_ << token::END_STATEMENT << nl;
os.writeKeyword("openingTime")
<< openingTime_ << token::END_STATEMENT << nl;
os.writeKeyword("maxOpenFractionDelta")
@ -369,6 +382,8 @@ write(Ostream& os) const
<< minThresholdValue_ << token::END_STATEMENT << nl;
os.writeKeyword("forceBased")
<< fBased_ << token::END_STATEMENT << nl;
os.writeKeyword("opening")
<< opening_ << token::END_STATEMENT << nl;
writeEntry("value", os);
}

16
src/finiteVolume/fields/fvPatchFields/derived/activePressureForceBaffleVelocity/activePressureForceBaffleVelocityFvPatchVectorField.H
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@ -3,7 +3,7 @@
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration |
\\ / A nd | Copyright (C) 2011-2015 OpenFOAM Foundation
\\/ M anipulation |
\\/ M anipulation | OpenCFD Ltd 2016
-------------------------------------------------------------------------------
License
This file is part of OpenFOAM.
@ -38,6 +38,11 @@ Description
used in an extra wall beyond an existing cyclic patch pair. See PDRMesh
for more details.
The baffle is activated when the pressure difference between master and
slave paches is positive and larger then minThresholdValue. The
orientation flag is used to to calculate the pressure difference bwetween
master-slave or slave-master.
Once the threshold is crossed, this condition activated and continues to
open or close at a fixed rate using
@ -70,6 +75,7 @@ Description
minThresholdValue | minimum absolute pressure or
force difference for activation | yes |
forceBased | force (true) or pressure-based (false) activation | yes |
opening | Baffle is opening or closing (1 opening, 0 closing) | yes
\endtable
Example of the boundary condition specification:
@ -85,6 +91,7 @@ Description
maxOpenFractionDelta 0.1;
minThresholdValue 0.01;
forceBased false;
opening 1;
}
\endverbatim
@ -124,10 +131,6 @@ class activePressureForceBaffleVelocityFvPatchVectorField
//- Index of the cyclic patch used when the active baffle is open
label cyclicPatchLabel_;
//- Orientation (1 or -1) of the active baffle mode
// Used to change the direction of opening or closing the baffle
label orientation_;
//- Initial wall patch areas
vectorField initWallSf_;
@ -158,6 +161,9 @@ class activePressureForceBaffleVelocityFvPatchVectorField
//- Baffle is activated
bool baffleActivated_;
//- Baffle is opening or closing (1 opening, 0 closing)
bool opening_;
public:

2
tutorials/combustion/PDRFoam/flamePropagationWithObstacles/0.org/U
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@ -42,7 +42,7 @@ boundaryField
type activePressureForceBaffleVelocity;
value uniform (0 0 0);
cyclicPatch baffleCyclic_half0;
orientation 1;
opening 1;
openingTime 0.01;
maxOpenFractionDelta 0.1;
openFraction 0;