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functionObjects::comfort: New functionObject to calculate fields relating to thermal comfort

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Description
    Calculates the thermal comfort quantities predicted mean vote (PMV) and
    predicted percentage of dissatisfaction (PPD) based on DIN ISO EN 7730:2005.

Usage
    \table
        Property      | Description                  | Required  | Default value
        clothing      | The insulation value of the cloth | no   | 0
        metabolicRate | The metabolic rate      | no        | 0.8
        extWork       | The external work        | no        | 0
        Trad          | Radiation temperature | no | -1
        relHumidity   | Relative humidity of the air | no | 50
        pSat          | Saturation pressure of water | no | -1
        tolerance     | Residual control for the cloth temperature | no | 1e-5
        maxClothIter  | Maximum number of iterations | no       | 0
        meanVelocity  | Use a constant mean velocity in the whole domain | no |\
        false
    \endtable

    \table
        Predicted Mean Vote (PMV)   | evaluation
        + 3                         | hot
        + 2                         | warm
        + 1                         | slightly warm
        + 0                         | neutral
        - 1                         | slightly cool
        - 2                         | cool
        - 3                         | cold
    \endtable

    \verbatim
    comfortAnalysis
    {
        type            comfort;
        libs            ("libfieldFunctionObjects.so");

        executeControl  writeTime;
        writeControl    writeTime;
    }
    \endverbatim

The new tutorial case heatTransfer/buoyantSimpleFoam/comfortHotRoom is provided
to demonstrate the calculation of PMV and PPD using the comfort functionObject.

This work is based on code and case contributed by Tobias Holzmann.
This commit is contained in:
Henry Weller
2019-10-19 23:08:34 +01:00
parent 9b21cf6993
commit 280c055ef6
22 changed files with 1453 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
src/functionObjects/field/Make/files
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@ -69,4 +69,6 @@ interfaceHeight/interfaceHeight.C
age/age.C
comfort/comfort.C
LIB = $(FOAM_LIBBIN)/libfieldFunctionObjects

4
src/functionObjects/field/age/age.C
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@ -243,9 +243,7 @@ bool Foam::functionObjects::age::execute()
Info<< "Min/max age:" << min(age).value()
<< ' ' << max(age).value() << endl;
store(tage);
return true;
return store(tage);
}

430
src/functionObjects/field/comfort/comfort.C Normal file
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@ -0,0 +1,430 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2019 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 "comfort.H"
#include "wallFvPatch.H"
#include "addToRunTimeSelectionTable.H"
// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
defineTypeNameAndDebug(comfort, 0);
addToRunTimeSelectionTable(functionObject, comfort, dictionary);
}
}
// * * * * * * * * * * * * * Private Member Functions * * * * * * * * * * * //
Foam::tmp<Foam::volScalarField> Foam::functionObjects::comfort::magU() const
{
tmp<volScalarField> tmagU = mag(lookupObject<volVectorField>("U"));
// Switch to use the averaged velocity field in the domain.
// Consistent with EN ISO 7730 but does not make physical sense
if (meanVelocity_)
{
tmagU.ref() = tmagU->weightedAverage(mesh_.V());
}
return tmagU;
}
Foam::dimensionedScalar Foam::functionObjects::comfort::Trad() const
{
dimensionedScalar Trad(Trad_);
// The mean radiation is calculated by the mean wall temperatures
// which are summed and divided by the area | only walls are taken into
// account. This approach might be correct for a squared room but will
// defintely be inconsistent for complex room geometries. The norm does
// not provide any information about the calculation of this quantity.
if (!TradSet_)
{
const volScalarField::Boundary& TBf =
lookupObject<volScalarField>("T").boundaryField();
scalar areaIntegral = 0;
scalar TareaIntegral = 0;
forAll(TBf, patchi)
{
const fvPatchScalarField& pT = TBf[patchi];
const fvPatch& pTBf = TBf[patchi].patch();
const scalarField& pSf = pTBf.magSf();
if (isType<wallFvPatch>(pTBf))
{
areaIntegral += gSum(pSf);
TareaIntegral += gSum(pSf*pT);
}
}
Trad.value() = TareaIntegral/areaIntegral;
}
// Bounds based on EN ISO 7730
if ((Trad.value() < 283.15) || (Trad.value() > 313.15))
{
WarningInFunction
<< "The calculated mean wall radiation temperature is out of the\n"
<< "bounds specified in EN ISO 7730:2006\n"
<< "Valid range is 10 degC < T < 40 degC\n"
<< "The actual value is: " << Trad - 273.15 << nl << endl;
}
return Trad;
}
Foam::tmp<Foam::volScalarField> Foam::functionObjects::comfort::pSat() const
{
static const dimensionedScalar kPaToPa(dimPressure, 1000);
static const dimensionedScalar A(dimless, 16.6563);
static const dimensionedScalar B(dimTemperature, 4030.183);
static const dimensionedScalar C(dimTemperature, -38.15);
tmp<volScalarField> tpSat(volScalarField::New("pSat", mesh_, pSat_));
// Calculate the saturation pressure if no user input is given
if (pSat_.value() == 0)
{
const volScalarField& T = lookupObject<volScalarField>("T");
// Equation based on ISO 7730:2006
tpSat = kPaToPa*exp(A - B/(T + C));
}
return tpSat;
}
Foam::tmp<Foam::volScalarField> Foam::functionObjects::comfort::Tcloth
(
volScalarField& hc,
const dimensionedScalar& metabolicRateSI,
const dimensionedScalar& extWorkSI,
const volScalarField& T,
const dimensionedScalar& Trad
)
{
const dimensionedScalar factor1(dimTemperature, 308.85);
const dimensionedScalar factor2
(
dimTemperature/metabolicRateSI.dimensions(),
0.028
);
const dimensionedScalar factor3
(
dimensionSet(1, 0, -3, -4, 0, 0, 0),
3.96e-8
);
// Heat transfer coefficient based on forced convection [W/m^2/K]
const volScalarField hcForced
(
dimensionedScalar(hc.dimensions()/sqrt(dimVelocity), 12.1)
*sqrt(magU())
);
// Tcl [K] (surface cloth temperature)
tmp<volScalarField> tTcl
(
volScalarField::New
(
"Tcl",
T.mesh(),
dimTemperature
)
);
volScalarField& Tcl = tTcl.ref();
// Initial guess
Tcl = T;
label i = 0;
Tcl.storePrevIter();
// Iterative solving of equation (2)
do
{
Tcl = (Tcl + Tcl.prevIter())/2;
Tcl.storePrevIter();
// Heat transfer coefficient based on natural convection
volScalarField hcNatural
(
dimensionedScalar(hc.dimensions()/pow025(dimTemperature), 2.38)
*pow025(mag(Tcl - T))
);
// Set heat transfer coefficient based on equation (3)
hc =
pos(hcForced - hcNatural)*hcForced
+ neg0(hcForced - hcNatural)*hcNatural;
// Calculate surface temperature based on equation (2)
Tcl =
factor1
- factor2*(metabolicRateSI - extWorkSI)
- Icl_*factor3*fcl_*(pow4(Tcl) - pow4(Trad))
- Icl_*fcl_*hc*(Tcl - T);
} while (!converged(Tcl) && i++ < maxClothIter_);
if (i == maxClothIter_)
{
WarningInFunction
<< "The surface cloth temperature did not converge within " << i
<< " iterations\n";
}
return tTcl;
}
bool Foam::functionObjects::comfort::converged
(
const volScalarField& phi
) const
{
return
max(mag(phi.primitiveField() - phi.prevIter().primitiveField()))
< tolerance_;
}
// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
Foam::functionObjects::comfort::comfort
(
const word& name,
const Time& runTime,
const dictionary& dict
)
:
fvMeshFunctionObject(name, runTime, dict),
clothing_("clothing", dimless, 0),
metabolicRate_("metabolicRate", dimMass/pow3(dimTime), 0.8),
extWork_("extWork", dimMass/pow3(dimTime), 0),
TradSet_(false),
Trad_("Trad", dimTemperature, 0),
relHumidity_("relHumidity", dimless, 0.5),
pSat_("pSat", dimPressure, 0),
Icl_("Icl", dimensionSet(-1, 0, 3, 1, 0, 0, 0), 0),
fcl_("fcl", dimless, 0),
tolerance_(1e-4),
maxClothIter_(100),
meanVelocity_(false)
{
read(dict);
}
// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
Foam::functionObjects::comfort::~comfort()
{}
// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
bool Foam::functionObjects::comfort::read(const dictionary& dict)
{
clothing_.readIfPresent(dict);
metabolicRate_.readIfPresent(dict);
extWork_.readIfPresent(dict);
pSat_.readIfPresent(dict);
tolerance_ = dict.lookupOrDefault("tolerance", 1e-4);
maxClothIter_ = dict.lookupOrDefault("maxClothIter", 100);
meanVelocity_ = dict.lookupOrDefault<Switch>("meanVelocity", false);
// Read relative humidity if provided and convert from % to fraction
if (dict.found(relHumidity_.name()))
{
relHumidity_.read(dict);
relHumidity_ /= 100;
}
// Read radiation temperature if provided
if (dict.found(Trad_.name()))
{
TradSet_ = true;
Trad_.read(dict);
}
else
{
TradSet_ = false;
}
Icl_ = dimensionedScalar(Icl_.dimensions(), 0.155)*clothing_;
fcl_.value() =
Icl_.value() <= 0.078
? 1.0 + 1.290*Icl_.value()
: 1.05 + 0.645*Icl_.value();
return true;
}
bool Foam::functionObjects::comfort::execute()
{
const dimensionedScalar Trad(this->Trad());
const volScalarField pSat(this->pSat());
const dimensionedScalar metabolicRateSI(58.15*metabolicRate_);
const dimensionedScalar extWorkSI(58.15*extWork_);
const volScalarField& T = lookupObject<volScalarField>("T");
// Heat transfer coefficient [W/m^2/K]
// This field is updated in Tcloth()
volScalarField hc
(
IOobject
(
"hc",
mesh_.time().timeName(),
mesh_
),
mesh_,
dimensionedScalar(dimensionSet(1, 0, -3, -1, 0, 0, 0), 0)
);
// Calculate the surface temperature of the cloth by an iterative
// process using equation (2) from DIN EN ISO 7730 [degC]
const volScalarField Tcloth
(
this->Tcloth
(
hc,
metabolicRateSI,
extWorkSI,
T,
Trad
)
);
// Calculate the PMV quantity
const dimensionedScalar factor1(dimensionSet(-1, 0, 3, 0, 0, 0, 0), 0.303);
const dimensionedScalar factor2
(
dimless/metabolicRateSI.dimensions(),
-0.036
);
const dimensionedScalar factor3(factor1.dimensions(), 0.028);
const dimensionedScalar factor4(dimLength/dimTime, 3.05e-3);
const dimensionedScalar factor5(dimPressure, 5733);
const dimensionedScalar factor6(dimTime/dimLength, 6.99);
const dimensionedScalar factor8(metabolicRateSI.dimensions(), 58.15);
const dimensionedScalar factor9(dimless/dimPressure, 1.7e-5);
const dimensionedScalar factor10(dimPressure, 5867);
const dimensionedScalar factor11(dimless/dimTemperature, 0.0014);
const dimensionedScalar factor12(dimTemperature, 307.15);
const dimensionedScalar factor13
(
dimensionSet(1, 0, -3, -4, 0, 0, 0),
3.96e-8
);
const scalar factor7
(
// Special treatment of Term4
// if metaRate - extWork < factor8, set to zero
(metabolicRateSI - extWorkSI).value() < factor8.value() ? 0 : 0.42
);
Info<< "Calculating the predicted mean vote (PMV)\n";
// Equation (1)
tmp<volScalarField> PMV
(
volScalarField::New
(
"PMV",
// Term1: Thermal sensation transfer coefficient
(factor1*exp(factor2*metabolicRateSI) + factor3)
*(
(metabolicRateSI - extWorkSI)
// Term2: Heat loss difference through skin
- factor4
*(
factor5
- factor6*(metabolicRateSI - extWorkSI)
- pSat*relHumidity_
)
// Term3: Heat loss through sweating
- factor7*(metabolicRateSI - extWorkSI - factor8)
// Term4: Heat loss through latent respiration
- factor9*metabolicRateSI*(factor10 - pSat*relHumidity_)
// Term5: Heat loss through dry respiration
- factor11*metabolicRateSI*(factor12 - T)
// Term6: Heat loss through radiation
- factor13*fcl_*(pow4(Tcloth) - pow4(Trad))
// Term7: Heat loss through convection
- fcl_*hc*(Tcloth - T)
)
)
);
Info<< "Calculating the predicted percentage of dissatisfaction (PPD)\n";
// Equation (5) in EN ISO
tmp<volScalarField> PPD
(
volScalarField::New
(
"PPD",
100 - 95*exp(-0.03353*pow4(PMV()) - 0.21790*sqr(PMV()))
)
);
return store(PMV) && store(PPD);
}
bool Foam::functionObjects::comfort::write()
{
return writeObject("PMV") && writeObject("PPD");
}
// ************************************************************************* //

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@ -0,0 +1,206 @@
/*---------------------------------------------------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Copyright (C) 2019 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::comfort
Description
Calculates the thermal comfort quantities predicted mean vote (PMV) and
predicted percentage of dissatisfaction (PPD) based on DIN ISO EN 7730:2005.
Usage
\table
Property | Description | Required | Default value
clothing | The insulation value of the cloth | no | 0
metabolicRate | The metabolic rate | no | 0.8
extWork | The external work | no | 0
Trad | Radiation temperature | no | -1
relHumidity | Relative humidity of the air | no | 50
pSat | Saturation pressure of water | no | -1
tolerance | Residual control for the cloth temperature | no | 1e-5
maxClothIter | Maximum number of iterations | no | 0
meanVelocity | Use a constant mean velocity in the whole domain | no |\
false
\endtable
\table
Predicted Mean Vote (PMV) | evaluation
+ 3 | hot
+ 2 | warm
+ 1 | slightly warm
+ 0 | neutral
- 1 | slightly cool
- 2 | cool
- 3 | cold
\endtable
\verbatim
comfortAnalysis
{
type comfort;
libs ("libfieldFunctionObjects.so");
executeControl writeTime;
writeControl writeTime;
}
\endverbatim
SourceFiles
comfort.C
\*---------------------------------------------------------------------------*/
#ifndef comfort_H
#define comfort_H
#include "fvMeshFunctionObject.H"
#include "volFields.H"
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
namespace Foam
{
namespace functionObjects
{
/*---------------------------------------------------------------------------*\
Class comfort Declaration
\*---------------------------------------------------------------------------*/
class comfort
:
public fvMeshFunctionObject
{
// Private Data
//- Clothing [-]
dimensionedScalar clothing_;
//- Metabolic rate [kg/s^3]
dimensionedScalar metabolicRate_;
//- External work [kg/s^3]
dimensionedScalar extWork_;
//- Switch set to true if the radiation temperature is provided
Switch TradSet_;
//- Mean radiation temperature [K]
dimensionedScalar Trad_;
//- Relative humidity [percentage]
dimensionedScalar relHumidity_;
//- Saturation pressure of water [Pa]
dimensionedScalar pSat_;
//- Thermal insulation of clothing [W/m^2/K]
dimensionedScalar Icl_;
//- Prefactor of cloth area [-]
dimensionedScalar fcl_;
//- Tolerance criteria for iterative process to find Tcl
scalar tolerance_;
//- Maximum number of correctors for cloth temperature
int maxClothIter_;
//- Switch to use volume weighted velocity field for caluclation
Switch meanVelocity_;
// Private Member Functions
// Calculate the magnitude of the velocity [m/s]
tmp<volScalarField> magU() const;
// Calculate the radiation temperature in the domain using a simple
// approach [K]
dimensionedScalar Trad() const;
// Calculate the saturation pressure based on 7730:2006
// Possible options: adding different calculation methods such as
// the formulation based on Magnus or others [Pa]
tmp<volScalarField> pSat() const;
// Calculate and return the surface temperature of the cloth [K]
// and the heat transfer coefficient hc [W/m^2/K]
tmp<volScalarField> Tcloth
(
volScalarField& hc,
const dimensionedScalar& metabolicRateSI,
const dimensionedScalar& extWorkSI,
const volScalarField& TdegC,
const dimensionedScalar& Trad
);
// Return true if the cloth temperature iteration has converged
bool converged(const volScalarField&) const;
public:
//- Runtime type information
TypeName("comfort");
// Constructors
//- Construct from Time and dictionary
comfort
(
const word& name,
const Time& runTime,
const dictionary& dict
);
//- Destructor
virtual ~comfort();
// Member Functions
//- Read the data needed for the comfort calculation
virtual bool read(const dictionary&);
//- Calculate the predicted mean vote (PMV)
// and predicted percentage dissatisfaction (PPD) fields
virtual bool execute();
//- Write the PPD and PMV fields
virtual bool write();
};
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
} // End namespace functionObjects
} // End namespace Foam
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#endif
// ************************************************************************* //

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@ -0,0 +1,42 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object T;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 1 0 0 0];
internalField uniform 302;
boundaryField
{
walls
{
type fixedValue;
value $internalField;
}
inlet
{
type fixedValue;
value uniform 290;
}
outlet
{
type zeroGradient;
}
}
// ************************************************************************* //

42
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@ -0,0 +1,42 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volVectorField;
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 -1 0 0 0 0];
internalField uniform (0 0 0);
boundaryField
{
walls
{
type noSlip;
}
inlet
{
type fixedValue;
value uniform (0.2 0 0);
}
outlet
{
type pressureInletOutletVelocity;
value $internalField;
}
}
// ************************************************************************* //

44
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/0/alphat Normal file
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@ -0,0 +1,44 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object alphat;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
walls
{
type compressible::alphatJayatillekeWallFunction;
Prt 0.85;
value $internalField;
}
inlet
{
type calculated;
value $internalField;
}
outlet
{
type calculated;
value $internalField;
}
}
// ************************************************************************* //

45
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@ -0,0 +1,45 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object epsilon;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -3 0 0 0 0];
internalField uniform 0.23;
boundaryField
{
walls
{
type epsilonWallFunction;
value $internalField;
}
inlet
{
type turbulentMixingLengthDissipationRateInlet;
mixingLength 0.0168;
value $internalField;
}
outlet
{
type inletOutlet;
inletValue $internalField;
}
}
// ************************************************************************* //

45
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/0/k Normal file
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@ -0,0 +1,45 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -2 0 0 0 0];
internalField uniform 8e-2;
boundaryField
{
walls
{
type kqRWallFunction;
value $internalField;
}
inlet
{
type turbulentIntensityKineticEnergyInlet;
intensity 0.14;
value $internalField;
}
outlet
{
type inletOutlet;
inletValue $internalField;
}
}
// ************************************************************************* //

43
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@ -0,0 +1,43 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object nut;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 2 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
walls
{
type nutkWallFunction;
value $internalField;
}
inlet
{
type calculated;
value $internalField;
}
outlet
{
type calculated;
value $internalField;
}
}
// ************************************************************************* //

42
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@ -0,0 +1,42 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -2 0 0 0 0];
internalField uniform 1e5;
boundaryField
{
walls
{
type calculated;
value $internalField;
}
inlet
{
type calculated;
value $internalField;
}
outlet
{
type calculated;
value $internalField;
}
}
// ************************************************************************* //

43
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/0/p_rgh Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
object p_rgh;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -2 0 0 0 0];
internalField uniform 1e5;
boundaryField
{
walls
{
type fixedFluxPressure;
value $internalField;
}
outlet
{
type prghPressure;
p $internalField;
value $internalField;
}
inlet
{
type fixedFluxPressure;
value $internalField;
}
}
// ************************************************************************* //

15
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/Allrun Executable file
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#!/bin/sh
cd ${0%/*} || exit 1 # Run from this directory
# Source tutorial run functions
. $WM_PROJECT_DIR/bin/tools/RunFunctions
# Get application name
application=$(getApplication)
runApplication blockMesh
runApplication topoSet
runApplication createPatch -overwrite
runApplication $application
#------------------------------------------------------------------------------

21
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/constant/g Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class uniformDimensionedVectorField;
location "constant";
object g;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 -2 0 0 0 0];
value (0 0 -9.81);
// ************************************************************************* //

54
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/constant/thermophysicalProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object thermophysicalProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
thermoType
{
type heRhoThermo;
mixture pureMixture;
transport const;
thermo eConst;
equationOfState Boussinesq;
specie specie;
energy sensibleInternalEnergy;
}
mixture
{
specie
{
molWeight 28.9;
}
equationOfState
{
rho0 1;
T0 300;
beta 3e-03;
}
thermodynamics
{
Cv 712;
Hf 0;
}
transport
{
mu 1e-05;
Pr 0.7;
}
}
// ************************************************************************* //

30
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/constant/turbulenceProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object turbulenceProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
simulationType RAS;
RAS
{
RASModel kEpsilon;
turbulence on;
printCoeffs on;
}
// ************************************************************************* //

49
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/system/blockMeshDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
convertToMeters 1;
vertices
(
(0 0 0)
(0 0 1.6)
(0 3 1.6)
(0 3 0)
(4 0 0)
(4 0 1.6)
(4 3 1.6)
(4 3 0)
);
blocks
(
hex (0 3 2 1 4 7 6 5)
(40 20 60)
simpleGrading (1 1 1)
);
defaultPatch
{
name walls;
type wall;
}
boundary
();
// ************************************************************************* //

76
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/system/controlDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application buoyantSimpleFoam;
startFrom startTime;
startTime 0;
stopAt endTime;
endTime 3000;
deltaT 1;
writeControl timeStep;
writeInterval 100;
purgeWrite 0;
writeFormat binary;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
functions
{
age
{
libs ("libfieldFunctionObjects.so");
type age;
diffusion on;
writeControl writeTime;
executeControl writeTime;
}
comfort
{
libs ("libfieldFunctionObjects.so");
type comfort;
clothing 0.5;
metabolicRate 1.2;
extWork 0;
relHumidity 60;
writeControl writeTime;
executeControl writeTime;
}
}
// ************************************************************************* //

47
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/system/createPatchDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object createPatchDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
pointSync false;
writeCyclicMatch false;
patches
(
{
name inlet;
patchInfo
{
type patch;
}
constructFrom set;
set inlet;
}
{
name outlet;
patchInfo
{
type patch;
}
constructFrom set;
set outlet;
}
);
// ************************************************************************* //

61
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/system/fvSchemes Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes
{
default steadyState;
}
gradSchemes
{
default Gauss linear;
}
divSchemes
{
default none;
div(phi,U) bounded Gauss upwind;
div(phi,e) bounded Gauss upwind;
div(phi,k) bounded Gauss upwind;
div(phi,epsilon) bounded Gauss upwind;
div(phi,Ekp) bounded Gauss linear;
div(((rho*nuEff)*dev2(T(grad(U))))) Gauss linear;
div(phi,age) bounded Gauss upwind;
}
laplacianSchemes
{
default Gauss linear orthogonal;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default orthogonal;
}
// ************************************************************************* //

74
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/system/fvSolution Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
p_rgh
{
solver PCG;
preconditioner DIC;
tolerance 1e-8;
relTol 0.01;
}
"(U|e|k|epsilon)"
{
solver PBiCGStab;
preconditioner DILU;
tolerance 1e-7;
relTol 0.1;
}
age
{
$U;
relTol 0.001;
}
}
SIMPLE
{
nNonOrthogonalCorrectors 0;
residualControl
{
p_rgh 1e-2;
U 1e-4;
e 1e-2;
"(k|epsilon|omega)" 1e-3;
}
}
relaxationFactors
{
fields
{
p_rgh 0.7;
}
equations
{
U 0.2;
e 0.1;
"(k|epsilon|R)" 0.7;
age 1;
}
}
// ************************************************************************* //

41
tutorials/heatTransfer/buoyantSimpleFoam/comfortHotRoom/system/topoSetDict Normal file
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@ -0,0 +1,41 @@
/*--------------------------------*- C++ -*----------------------------------*\
========= |
\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
\\ / O peration | Website: https://openfoam.org
\\ / A nd | Version: dev
\\/ M anipulation |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object topoSetDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
actions
(
{
name inlet;
type faceSet;
action new;
source boxToFace;
sourceInfo
{
box (-0.001 0.25 1.1)(0.001 0.75 1.3);
}
}
{
name outlet;
type faceSet;
action new;
source boxToFace;
sourceInfo
{
box (1.75 2.999 0.3)(2.25 3.001 0.5);
}
}
);
// ************************************************************************* //