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TDACChemistryModel: Added support for variable time-step and LTS in ISAT

Browse Source 
New reactingFoam tutorial counterFlowFlame2DLTS_GRI_TDAC demonstrates this new
functionality.

Additionally the ISAT table growth algorithm has been further optimized
providing an overall speedup of between 15% and 38% for the tests run so far.

Updates to TDAC and ISAT provided by Francesco Contino.

Implementation updated and integrated into OpenFOAM-dev by
Henry G. Weller, CFD Direct Ltd with the help of Francesco Contino.

Original code providing all algorithms for chemistry reduction and
tabulation contributed by Francesco Contino, Tommaso Lucchini, Gianluca
D’Errico, Hervé Jeanmart, Nicolas Bourgeois and Stéphane Backaert.
This commit is contained in:
Henry Weller
2017-01-07 16:29:15 +00:00
parent 78a396430b
commit 923350fa6e
36 changed files with 8750 additions and 205 deletions
Download Patch File Download Diff File Expand all files Collapse all files

48
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/CH4 Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object CH4;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 0 0 0 0];
internalField uniform 0.0;
boundaryField
{
fuel
{
type fixedValue;
value uniform 1.0;
}
air
{
type fixedValue;
value uniform 0.0;
}
outlet
{
type inletOutlet;
inletValue uniform 0.0;
value uniform 0.0;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

48
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/CO2 Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object CO2;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 0 0 0 0];
internalField uniform 0;
boundaryField
{
fuel
{
type fixedValue;
value uniform 0;
}
air
{
type fixedValue;
value uniform 0;
}
outlet
{
type inletOutlet;
inletValue uniform 0;
value uniform 0;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

48
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/H2O Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object H2O;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 0 0 0 0];
internalField uniform 0;
boundaryField
{
fuel
{
type fixedValue;
value uniform 0;
}
air
{
type fixedValue;
value uniform 0;
}
outlet
{
type inletOutlet;
inletValue uniform 0;
value uniform 0;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

48
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/N2 Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object N2;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 0 0 0 0];
internalField uniform 1;
boundaryField
{
fuel
{
type fixedValue;
value uniform 0;
}
air
{
type fixedValue;
value uniform 0.77;
}
outlet
{
type inletOutlet;
inletValue uniform 1;
value uniform 1;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

47
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/O2 Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object O2;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 0 0 0 0];
internalField uniform 0;
boundaryField
{
fuel
{
type fixedValue;
value uniform 0.0;
}
air
{
type fixedValue;
value uniform 0.23;
}
outlet
{
type inletOutlet;
inletValue uniform 0;
value uniform 0;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

47
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/T Normal file
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@ -0,0 +1,47 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object T;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 1 0 0 0];
internalField uniform 2000;
boundaryField
{
fuel
{
type fixedValue;
value uniform 293;
}
air
{
type fixedValue;
value uniform 293;
}
outlet
{
type inletOutlet;
inletValue uniform 293;
value uniform 293;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

46
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/U Normal file
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@ -0,0 +1,46 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 -1 0 0 0 0];
internalField uniform (0 0 0);
boundaryField
{
fuel
{
type fixedValue;
value uniform (0.1 0 0);
}
air
{
type fixedValue;
value uniform (-0.1 0 0);
}
outlet
{
type pressureInletOutletVelocity;
value $internalField;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

48
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/Ydefault Normal file
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@ -0,0 +1,48 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object Ydefault;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 0 0 0 0 0 0];
internalField uniform 0.0;
boundaryField
{
fuel
{
type fixedValue;
value uniform 0.0;
}
air
{
type fixedValue;
value uniform 0.0;
}
outlet
{
type inletOutlet;
inletValue uniform 0.0;
value uniform 0.0;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

45
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/alphat Normal file
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@ -0,0 +1,45 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object alphat;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
fuel
{
type fixedValue;
value uniform 0;
}
air
{
type fixedValue;
value uniform 0;
}
outlet
{
type zeroGradient;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

44
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/0/p Normal file
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@ -0,0 +1,44 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class volScalarField;
location "0";
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [1 -1 -2 0 0 0 0];
internalField uniform 1e5;
boundaryField
{
fuel
{
type zeroGradient;
}
air
{
type zeroGradient;
}
outlet
{
type totalPressure;
p0 $internalField;
}
frontAndBack
{
type empty;
}
}
// ************************************************************************* //

137
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/chemistryProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object chemistryProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
chemistryType
{
chemistrySolver ode;
chemistryThermo psi;
TDAC on;
}
chemistry on;
initialChemicalTimeStep 1e-7;
odeCoeffs
{
solver seulex;
absTol 1e-12;
relTol 1e-1;
}
reduction
{
// Activate reduction
active on;
// Switch logging of the reduction statistics and performance
log on;
// Tolerance depends on the reduction method, see details for each method
tolerance 1e-4;
// Available methods: DRG, DAC, DRGEP, PFA, EFA
method DAC;
// Search initiating set (SIS) of species, needed for most methods
initialSet
{
CO;
CH4;
HO2;
}
// For DAC, option to automatically change the SIS switch from HO2 to H2O
// and CO to CO2, + disable fuel
automaticSIS off;
// When automaticSIS, the method needs to know the fuel
fuelSpecies
{
CH4 1;
}
}
tabulation
{
// Activate tabulation
active on;
// Switch logging of the tabulation statistics and performance
log on;
printProportion off;
printNumRetrieve off;
variableTimeStep on;
// Tolerance used for retrieve and grow
tolerance 1e-3;
// ISAT is the only method currently available
method ISAT;
// Scale factors used in the definition of the ellipsoid of accuracy
scaleFactor
{
otherSpecies 1;
Temperature 25000;
Pressure 1e15;
deltaT 1;
}
// Maximum number of leafs stored in the binary tree
maxNLeafs 2000;
// Maximum life time of the leafs (in time steps) used in unsteady
// simulations to force renewal of the stored chemPoints and keep the tree
// small
chPMaxLifeTime 100;
// Maximum number of growth allowed on a chemPoint to avoid distorted
// chemPoints
maxGrowth 10;
// Number of time steps between analysis of the tree to remove old
// chemPoints or try to balance it
checkEntireTreeInterval 5;
// Parameters used to decide whether to balance or not if the tree's depth
// is larger than maxDepthFactor*log2(nLeafs) then balance the tree
maxDepthFactor 2;
// Try to balance the tree only if the size of the tree is greater
minBalanceThreshold 30;
// Activate the use of a MRU (most recently used) list
MRURetrieve false;
// Maximum size of the MRU list
maxMRUSize 0;
// Allow to grow points
growPoints true;
// When mechanism reduction is used, new dimensions might be added
// maxNumNewDim set the maximum number of new dimensions added during a
// growth
maxNumNewDim 10;
}
// ************************************************************************* //

27
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/combustionProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object combustionProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
combustionModel laminar<psiChemistryCombustion>;
active true;
laminarCoeffs
{
}
// ************************************************************************* //

28
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/reactions Normal file
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@ -0,0 +1,28 @@
elements
(
O
C
H
N
);
species
(
O2
H2O
CH4
CO2
N2
);
reactions
{
methaneReaction
{
type irreversibleArrheniusReaction;
reaction "CH4 + 2O2 = CO2 + 2H2O";
A 5.2e16;
beta 0;
Ta 14906;
}
}

5590
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/reactionsGRI Normal file
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152
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/thermo.compressibleGas Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: 3.0.x |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object thermo.compressibleGas;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
O2
{
specie
{
nMoles 1;
molWeight 31.9988;
}
elements
{
O 2;
}
thermodynamics
{
Tlow 200;
Thigh 5000;
Tcommon 1000;
highCpCoeffs ( 3.69758 0.00061352 -1.25884e-07 1.77528e-11 -1.13644e-15 -1233.93 3.18917 );
lowCpCoeffs ( 3.21294 0.00112749 -5.75615e-07 1.31388e-09 -8.76855e-13 -1005.25 6.03474 );
}
transport
{
As 1.67212e-06;
Ts 170.672;
}
}
H2O
{
specie
{
nMoles 1;
molWeight 18.0153;
}
elements
{
O 1;
H 2;
}
thermodynamics
{
Tlow 200;
Thigh 5000;
Tcommon 1000;
highCpCoeffs ( 2.67215 0.00305629 -8.73026e-07 1.201e-10 -6.39162e-15 -29899.2 6.86282 );
lowCpCoeffs ( 3.38684 0.00347498 -6.3547e-06 6.96858e-09 -2.50659e-12 -30208.1 2.59023 );
}
transport
{
As 1.67212e-06;
Ts 170.672;
}
}
CH4
{
specie
{
nMoles 1;
molWeight 16.0428;
}
elements
{
C 1;
H 4;
}
thermodynamics
{
Tlow 200;
Thigh 6000;
Tcommon 1000;
highCpCoeffs ( 1.63543 0.0100844 -3.36924e-06 5.34973e-10 -3.15528e-14 -10005.6 9.9937 );
lowCpCoeffs ( 5.14988 -0.013671 4.91801e-05 -4.84744e-08 1.66694e-11 -10246.6 -4.64132 );
}
transport
{
As 1.67212e-06;
Ts 170.672;
}
}
CO2
{
specie
{
nMoles 1;
molWeight 44.01;
}
elements
{
C 1;
O 2;
}
thermodynamics
{
Tlow 200;
Thigh 5000;
Tcommon 1000;
highCpCoeffs ( 4.45362 0.00314017 -1.27841e-06 2.394e-10 -1.66903e-14 -48967 -0.955396 );
lowCpCoeffs ( 2.27572 0.00992207 -1.04091e-05 6.86669e-09 -2.11728e-12 -48373.1 10.1885 );
}
transport
{
As 1.67212e-06;
Ts 170.672;
}
}
N2
{
specie
{
nMoles 1;
molWeight 28.0134;
}
elements
{
N 2;
}
thermodynamics
{
Tlow 200;
Thigh 5000;
Tcommon 1000;
highCpCoeffs ( 2.92664 0.00148798 -5.68476e-07 1.0097e-10 -6.75335e-15 -922.798 5.98053 );
lowCpCoeffs ( 3.29868 0.00140824 -3.96322e-06 5.64152e-09 -2.44486e-12 -1020.9 3.95037 );
}
transport
{
As 1.67212e-06;
Ts 170.672;
}
}
// ************************************************************************* //

1391
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/thermo.compressibleGasGRI Normal file
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36
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/thermophysicalProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object thermophysicalProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
thermoType
{
type hePsiThermo;
mixture reactingMixture;
transport sutherland;
thermo janaf;
energy sensibleEnthalpy;
equationOfState perfectGas;
specie specie;
}
inertSpecie N2;
chemistryReader foamChemistryReader;
foamChemistryFile "$FOAM_CASE/constant/reactionsGRI";
foamChemistryThermoFile "$FOAM_CASE/constant/thermo.compressibleGasGRI";
// ************************************************************************* //

21
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/constant/turbulenceProperties Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "constant";
object turbulenceProperties;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
simulationType laminar;
// ************************************************************************* //

82
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/system/blockMeshDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
object blockMeshDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
convertToMeters 1;
vertices
(
(0.0 -0.01 -0.01)
(0.02 -0.01 -0.01)
(0.02 0.01 -0.01)
(0.0 0.01 -0.01)
(0.0 -0.01 0.01)
(0.02 -0.01 0.01)
(0.02 0.01 0.01)
(0.0 0.01 0.01)
);
blocks
(
hex (0 1 2 3 4 5 6 7) (100 40 1) simpleGrading (1 1 1)
);
edges
(
);
boundary
(
fuel
{
type patch;
faces
(
(0 4 7 3)
);
}
air
{
type patch;
faces
(
(1 2 6 5)
);
}
outlet
{
type patch;
faces
(
(0 1 5 4)
(7 6 2 3)
);
}
frontAndBack
{
type empty;
faces
(
(4 5 6 7)
(0 3 2 1)
);
}
);
mergePatchPairs
(
);
// ************************************************************************* //

48
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/system/controlDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application reactingFoam;
startFrom startTime;
startTime 0;
stopAt endTime;
endTime 1000;
deltaT 1;
writeControl runTime;
writeInterval 20;
purgeWrite 0;
writeFormat ascii;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 6;
runTimeModifiable true;
// ************************************************************************* //

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tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/system/decomposeParDict Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
note "mesh decomposition control dictionary";
object decomposeParDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
numberOfSubdomains 4;
method hierarchical;
hierarchicalCoeffs
{
n (2 2 1);
delta 0.001;
order xyz;
}
// ************************************************************************* //

57
tutorials/combustion/reactingFoam/laminar/counterFlowFlame2DLTS_GRI_TDAC/system/fvSchemes Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSchemes;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
ddtSchemes
{
default localEuler;
}
gradSchemes
{
default Gauss linear;
}
divSchemes
{
default none;
div(phi,U) Gauss limitedLinearV 1;
div(phi,Yi_h) Gauss limitedLinear 1;
div(phi,K) Gauss limitedLinear 1;
div(phid,p) Gauss limitedLinear 1;
div(phi,epsilon) Gauss limitedLinear 1;
div(phi,k) Gauss limitedLinear 1;
div(((rho*nuEff)*dev2(T(grad(U))))) Gauss linear;
}
laplacianSchemes
{
default Gauss linear orthogonal;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default orthogonal;
}
// ************************************************************************* //

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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM: The Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format ascii;
class dictionary;
location "system";
object fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
"rho.*"
{
solver diagonal;
}
p
{
solver PCG;
preconditioner DIC;
tolerance 1e-6;
relTol 0.1;
}
pFinal
{
$p;
relTol 0;
}
"(U|h|k|epsilon)"
{
solver PBiCGStab;
preconditioner DILU;
tolerance 1e-6;
relTol 0.1;
}
"(U|h|k|epsilon)Final"
{
$U;
relTol 0.1;
}
Yi
{
$U;
relTol 0.1;
}
}
PIMPLE
{
momentumPredictor no;
nOuterCorrectors 1;
nCorrectors 1;
nNonOrthogonalCorrectors 0;
maxDeltaT 1e-4;
maxCo 1;
alphaTemp 0.05;
rDeltaTSmoothingCoeff 1;
rDeltaTDampingCoeff 1;
}
relaxationFactors
{
equations
{
".*" 1;
}
}
// ************************************************************************* //