fvModels: Specify source property values in field files
When an fvModel source introduces fluid into a simulation it should also
create a corresponding source term for all properties transported into
the domain by that injection. The source is, effectively, an alternative
form of inlet boundary, on which all transported properties need an
inlet value specified.
These values are now specified in the property field files. The
following is an example of a 0/U file in which the velocity of fluid
introduced by a fvModel source called "injection1" is set to a fixed
value of (-1 0 0):
dimensions [0 1 -1 0 0 0 0];
internalField uniform (0 0 0);
boundaryField
{
#includeEtc "caseDicts/setConstraintTypes"
wall
{
type noSlip;
}
atmosphere
{
type pressureInletOutletVelocity;
value $internalField;
}
}
// *** NEW ***
sources
{
injection1
{
type uniformFixedValue;
uniformValue (-1 0 0);
}
}
And the following entry in the 0/k file specifies the turbulent kinetic
energy introduced as a fraction of the mean flow kinetic energy:
sources
{
injection1
{
type turbulentIntensityKineticEnergy;
intensity 0.05;
}
}
The specification is directly analogous to boundary conditions. The
conditions are run-time selectable and can be concisely implemented.
They can access each other and be inter-dependent (e.g., the above,
where turbulent kinetic energy depends on velocity). The syntax keeps
field data localised and makes the source model (e.g., massSource,
volumeSource, ...) specification independent from what other models and
fields are present in the simulation. The 'fieldValues' entry previously
required by source models is now no longer required.
If source values need specifying and no source condition has been
supplied in the relevant field file then an error will be generated.
This error is similar to that generated for missing boundary conditions.
This replaces the behaviour where sources such as these would introduce
a value of zero, either silently or with a warning. This is now
considered unacceptable. Zero might be a tolerable default for certain
fields (U, k), but is wholly inappropriate for others (T, epsilon, rho).
This change additionally makes it possible to inject fluid into a
multicomponent solver with a specified temperature. Previously, it was
not possible to do this as there was no means of evaluating the energy
of fluid with the injected composition.
This commit is contained in:
@ -20,17 +20,9 @@ internalField uniform (0 0 0);
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boundaryField
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{
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leftWall
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{
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type noSlip;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type noSlip;
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}
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lowerWall
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wall
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{
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type noSlip;
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}
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@ -40,11 +32,6 @@ boundaryField
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type pressureInletOutletVelocity;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,17 +20,9 @@ internalField uniform 0;
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boundaryField
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{
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leftWall
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{
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type zeroGradient;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type zeroGradient;
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}
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lowerWall
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wall
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{
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type zeroGradient;
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}
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@ -41,11 +33,6 @@ boundaryField
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inletValue $internalField;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,19 +20,9 @@ internalField uniform 0.1;
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boundaryField
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{
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leftWall
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{
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type epsilonWallFunction;
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value $internalField;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type epsilonWallFunction;
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value $internalField;
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}
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lowerWall
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wall
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{
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type epsilonWallFunction;
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value $internalField;
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@ -44,11 +34,6 @@ boundaryField
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inletValue $internalField;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,19 +20,9 @@ internalField uniform 0.1;
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boundaryField
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{
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leftWall
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{
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type kqRWallFunction;
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value $internalField;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type kqRWallFunction;
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value $internalField;
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}
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lowerWall
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wall
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{
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type kqRWallFunction;
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value $internalField;
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@ -44,11 +34,6 @@ boundaryField
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inletValue $internalField;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,17 +20,9 @@ internalField uniform 0;
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boundaryField
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{
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leftWall
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{
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type zeroGradient;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type zeroGradient;
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}
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lowerWall
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wall
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{
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type zeroGradient;
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}
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@ -41,11 +33,6 @@ boundaryField
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inletValue $internalField;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,19 +20,9 @@ internalField uniform 0;
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boundaryField
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{
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leftWall
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{
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type nutkWallFunction;
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value $internalField;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type nutkWallFunction;
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value $internalField;
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}
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lowerWall
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wall
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{
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type nutkWallFunction;
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value $internalField;
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@ -43,11 +33,6 @@ boundaryField
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type calculated;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,19 +20,9 @@ internalField uniform 11.1;
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boundaryField
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{
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leftWall
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{
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type omegaWallFunction;
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value $internalField;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type omegaWallFunction;
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value $internalField;
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}
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lowerWall
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wall
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{
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type omegaWallFunction;
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value $internalField;
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@ -44,11 +34,6 @@ boundaryField
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inletValue $internalField;
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value $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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@ -20,19 +20,9 @@ internalField uniform 0;
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boundaryField
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{
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leftWall
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{
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type fixedFluxPressure;
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value $internalField;
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}
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#includeEtc "caseDicts/setConstraintTypes"
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rightWall
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{
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type fixedFluxPressure;
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value $internalField;
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}
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lowerWall
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wall
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{
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type fixedFluxPressure;
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value $internalField;
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@ -43,11 +33,6 @@ boundaryField
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type prghTotalPressure;
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p0 $internalField;
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}
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defaultFaces
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{
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type empty;
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}
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}
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47
tutorials/incompressibleVoF/damBreakInjection/0/U
Normal file
47
tutorials/incompressibleVoF/damBreakInjection/0/U
Normal file
@ -0,0 +1,47 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class volVectorField;
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location "0";
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object U;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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dimensions [0 1 -1 0 0 0 0];
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internalField uniform (0 0 0);
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boundaryField
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{
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#includeEtc "caseDicts/setConstraintTypes"
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wall
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{
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type noSlip;
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}
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atmosphere
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{
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type pressureInletOutletVelocity;
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value $internalField;
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}
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}
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sources
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{
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injection
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{
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type uniformFixedValue;
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uniformValue (-1 0 0);
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}
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}
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// ************************************************************************* //
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49
tutorials/incompressibleVoF/damBreakInjection/0/epsilon
Normal file
49
tutorials/incompressibleVoF/damBreakInjection/0/epsilon
Normal file
@ -0,0 +1,49 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class volScalarField;
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location "0";
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object epsilon;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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dimensions [0 2 -3 0 0 0 0];
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internalField uniform 0.1;
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boundaryField
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{
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#includeEtc "caseDicts/setConstraintTypes"
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wall
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{
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type epsilonWallFunction;
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value $internalField;
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}
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atmosphere
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{
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type inletOutlet;
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inletValue $internalField;
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value $internalField;
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}
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}
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sources
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{
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injection
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{
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type turbulentMixingLengthDissipationRate;
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mixingLength 0.0146;
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}
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}
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// ************************************************************************* //
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49
tutorials/incompressibleVoF/damBreakInjection/0/k
Normal file
49
tutorials/incompressibleVoF/damBreakInjection/0/k
Normal file
@ -0,0 +1,49 @@
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/*--------------------------------*- C++ -*----------------------------------*\
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========= |
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\\ / F ield | OpenFOAM: The Open Source CFD Toolbox
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\\ / O peration | Website: https://openfoam.org
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\\ / A nd | Version: dev
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\\/ M anipulation |
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\*---------------------------------------------------------------------------*/
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FoamFile
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{
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format ascii;
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class volScalarField;
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location "0";
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object k;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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dimensions [0 2 -2 0 0 0 0];
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internalField uniform 0.1;
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boundaryField
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{
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#includeEtc "caseDicts/setConstraintTypes"
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wall
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{
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type kqRWallFunction;
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value $internalField;
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}
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atmosphere
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{
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type inletOutlet;
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inletValue $internalField;
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value $internalField;
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}
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}
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sources
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{
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injection
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{
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type turbulentIntensityKineticEnergy;
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intensity 0.05;
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}
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}
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// ************************************************************************* //
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@ -4,8 +4,14 @@ cd ${0%/*} || exit 1 # Run from this directory
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# Source tutorial clean functions
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. $WM_PROJECT_DIR/bin/tools/CleanFunctions
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cleanVoFCase && rm -rf 0 system
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cleanVoFCase
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find constant -type f -not -name fvModels.injection -delete
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find 0 -type f -not \( \
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-name epsilon -or -name k -or -name U \
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\) -delete
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find constant -type f -not -name fvModels -delete
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rm -rf system
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#------------------------------------------------------------------------------
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@ -4,11 +4,10 @@ cd ${0%/*} || exit 1 # Run from this directory
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# Source tutorial run functions
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. $WM_PROJECT_DIR/bin/tools/RunFunctions
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# Copy the source case and add the volume source model
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# Copy the source case
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isTest "$@" && path=.. || path=$FOAM_TUTORIALS/incompressibleVoF
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cp -rn $path/damBreak/0 $path/damBreak/constant $path/damBreak/system .
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runApplication foamDictionary constant/fvModels \
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-entry injection -dict -merge constant/fvModels.injection
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rm -f 0/alpha.water
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# Run
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runApplication blockMesh
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@ -10,26 +10,26 @@ FoamFile
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format ascii;
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class dictionary;
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location "constant";
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object fvModels.injection;
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object fvModels;
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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turbulenceDamping
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{
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type VoFTurbulenceDamping;
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delta 1e-4;
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}
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injection
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{
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type volumeSource;
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phase water;
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points ((0.438 0.438 0.0073));
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volumetricFlowRate 0.0003;
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phase water;
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fieldValues
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{
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U (-1 0 0);
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k 0.1;
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epsilon 0.1;
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}
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}
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Reference in New Issue
Block a user