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ENH: engineTime: Generalized to provide run-time selection of piston-motion

Browse Source 
Standard crank-connecting rod and the new free-piston kinematics motion options
are provides, others can easily be added.

Contributed by Francesco Contino and Nicolas Bourgeois, BURN Research Group.
This commit is contained in:
Henry Weller
2017-09-19 09:26:26 +01:00
committed by Andrew Heather
parent d425421c0a
commit 01efb2c85b
32 changed files with 1599 additions and 109 deletions
Download Patch File Download Diff File Expand all files Collapse all files

53
tutorials/combustion/engineFoam/freePiston/0/T 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 binary;
class volScalarField;
location "0";
object T;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [0 0 0 1 0 0 0];
internalField uniform $:internalField.T;
boundaryField
{
back
{
type wedge;
}
front
{
$back;
}
liner
{
$:wall.T;
}
cylinderHead
{
$liner;
}
piston
{
$liner;
}
}
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/0/U Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM:.Uhe Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volVectorField;
location "0";
object U;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [0 1 -1 0 0 0 0];
internalField uniform $:internalField.U;
boundaryField
{
back
{
type wedge;
}
front
{
$back;
}
liner
{
$:wall.U;
}
cylinderHead
{
$liner;
}
piston
{
$:piston.U;
}
}
// ************************************************************************* //

53
tutorials/combustion/engineFoam/freePiston/0/air 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 air;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [0 0 0 0 0 0 0];
internalField uniform 1;
boundaryField
{
back
{
type wedge;
}
front
{
$back;
}
liner
{
$:wall.p;
}
cylinderHead
{
$liner;
}
piston
{
$liner;
}
}
// ************************************************************************* //

38
tutorials/combustion/engineFoam/freePiston/0/alphat 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 binary;
class volScalarField;
location "0";
object alphat;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [1 -1 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
back
{
type wedge;
}
front { $back; }
liner { $:wall.alphat; }
cylinderHead { $liner; }
piston { $liner; }
}
}
// ************************************************************************* //

53
tutorials/combustion/engineFoam/freePiston/0/epsilon 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 binary;
class volScalarField;
location "0";
object epsilon;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [0 2 -3 0 0 0 0];
internalField uniform $:internalField.epsilon;
boundaryField
{
back
{
type wedge;
}
front
{
$back;
}
liner
{
$:wall.epsilon;
}
cylinderHead
{
$liner;
}
piston
{
$liner;
}
}
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/0/include/boundaryConditions 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 boundaryConditions;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
wall
{
p
{
type zeroGradient;
}
U
{
type fixedValue;
value uniform (0 0 0);
}
T
{
type zeroGradient;
}
k
{
type kqRWallFunction;
value uniform $:internalField.k;
}
epsilon
{
type epsilonWallFunction;
value uniform $:internalField.epsilon;
}
nut
{
type nutkWallFunction;
value uniform 0;
}
alphat
{
type compressible::alphatWallFunction;
Prt 0.85;
value uniform 0;
}
}
piston
{
U
{
type movingWallVelocity;
value uniform (0 0 0);
}
}
// ************************************************************************* //

28
tutorials/combustion/engineFoam/freePiston/0/include/caseSettings 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 caseSettings;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
internalField
{
U (0 0 0);
epsilon 5.70e-5;
k 2.40e-5;
T 350;
p 1e5;
}
#include "boundaryConditions"
// ************************************************************************* //

53
tutorials/combustion/engineFoam/freePiston/0/k Normal file
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/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM:.khe Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volScalarField;
location "0";
object k;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [0 2 -2 0 0 0 0];
internalField uniform $:internalField.k;
boundaryField
{
back
{
type wedge;
}
front
{
$back;
}
liner
{
$:wall.k;
}
cylinderHead
{
$liner;
}
piston
{
$liner;
}
}
// ************************************************************************* //

38
tutorials/combustion/engineFoam/freePiston/0/nut 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 binary;
class volScalarField;
location "0";
object nut;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [0 2 -1 0 0 0 0];
internalField uniform 0;
boundaryField
{
back
{
type wedge;
}
front { $back; }
liner { $:wall.nut; }
cylinderHead { $liner; }
piston { $liner; }
}
}
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/0/p Normal file
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@ -0,0 +1,53 @@
/*--------------------------------*- C++ -*----------------------------------*\
| ========= | |
| \\ / F ield | OpenFOAM:.phe Open Source CFD Toolbox |
| \\ / O peration | Version: dev |
| \\ / A nd | Web: www.OpenFOAM.org |
| \\/ M anipulation | |
\*---------------------------------------------------------------------------*/
FoamFile
{
version 2.0;
format binary;
class volScalarField;
location "0";
object p;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
#include "include/caseSettings"
dimensions [1 -1 -2 0 0 0 0];
internalField uniform $:internalField.p;
boundaryField
{
back
{
type wedge;
}
front
{
$back;
}
liner
{
$:wall.p;
}
cylinderHead
{
$liner;
}
piston
{
$liner;
}
}
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/constant/engineGeometry 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 engineGeometry;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
engineMesh layered;
engineType freePiston;
pistonPositionTime table
(
(0 0.13)
(0.020 0.013)
);
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/constant/g Normal file
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@ -0,0 +1,21 @@
/*--------------------------------*- 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 uniformDimensionedVectorField;
location "constant";
object g;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
dimensions [0 1 -2 0 0 0 0];
value (0 0 0);
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/constant/include/reactions.air Normal file
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species
(
air
);
reactions
{
}

21
tutorials/combustion/engineFoam/freePiston/constant/include/thermo.air Normal file
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air
{
specie
{
nMoles 1;
molWeight 28.9596;
}
thermodynamics
{
Tlow 200;
Thigh 3500;
Tcommon 1000;
highCpCoeffs ( 3.57304 -7.24383e-04 1.67022e-06 -1.26501e-10 -4.20580e-13 -1047.41 3.12431 );
lowCpCoeffs ( 3.09589 1.22835e-03 -4.14267e-07 6.56910e-11 -3.87021e-15 -983.191 5.34161 );
}
transport
{
As 1.67212e-06;
Ts 170.672;
}
}

38
tutorials/combustion/engineFoam/freePiston/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;
equationOfState perfectGas;
specie specie;
energy sensibleInternalEnergy;
}
inertSpecie air;
chemistryReader foamChemistryReader;
foamChemistryFile "$FOAM_CASE/constant/include/reactions.air";
foamChemistryThermoFile "$FOAM_CASE/constant/include/thermo.air";
// ************************************************************************* //

29
tutorials/combustion/engineFoam/freePiston/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 RAS;
RAS
{
RASModel kEpsilon;
turbulence on;
printCoeffs on;
}
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/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)
(0.05 -0.000872753 0)
(0.05 0.000872753 0)
(0 0 0.13)
(0.05 -0.000872753 0.13)
(0.05 0.000872753 0.13)
);
blocks
(
hex (0 1 2 0 3 4 5 3) (50 1 130) simpleGrading (1 1 1)
);
boundary
(
front
{
type wedge;
faces
(
(0 1 4 3)
);
}
back
{
type wedge;
faces
(
(0 3 5 2)
);
}
piston
{
type wall;
faces
(
(0 2 1 0)
);
}
cylinderHead
{
type wall;
faces
(
(3 4 5 3)
);
}
axis
{
type empty;
faces
(
(0 3 3 0)
);
}
liner
{
type wall;
faces
(
(1 2 5 4)
);
}
);
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/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;
object controlDict;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
application coldEngineFoam;
startFrom startTime;
startTime 0;
stopAt endTime;
endTime 0.03;
deltaT 5.0e-7;
writeControl adjustableRunTime;
writeInterval 0.001;
purgeWrite 0;
writeFormat binary;
writePrecision 6;
writeCompression off;
timeFormat general;
timePrecision 8;
runTimeModifiable true;
adjustTimeStep yes;
maxCo 0.25;
// ************************************************************************* //

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tutorials/combustion/engineFoam/freePiston/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 Euler;
}
gradSchemes
{
default Gauss linear;
}
divSchemes
{
default none;
div(phi,U) Gauss linearUpwind grad(U);
div(phi,e) Gauss linearUpwind grad(e);
div(phiv,p) Gauss linear;
div(phi,K) Gauss linear;
div(meshPhi,p) Gauss linear;
div(phi,k) Gauss upwind;
div(phi,epsilon) Gauss upwind;
div(((rho*nuEff)*dev2(T(grad(U))))) Gauss linear;
}
laplacianSchemes
{
default Gauss linear corrected;
}
interpolationSchemes
{
default linear;
}
snGradSchemes
{
default corrected;
}
fluxRequired
{
default no;
p;
}
// ************************************************************************* //

62
tutorials/combustion/engineFoam/freePiston/system/fvSolution 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 fvSolution;
}
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
solvers
{
"rho.*"
{
solver diagonal;
}
p
{
solver PCG;
preconditioner DIC;
tolerance 1e-6;
relTol 0.1;
}
pFinal
{
$p;
relTol 0;
}
"(U|e|k|epsilon)"
{
solver PBiCGStab;
preconditioner DILU;
tolerance 1e-5;
relTol 0.1;
}
"(U|e|k|epsilon)Final"
{
$U;
relTol 0;
}
}
PIMPLE
{
nCorrectors 2;
nNonOrthogonalCorrectors 1;
momentumPredictor yes;
}
// ************************************************************************* //