a5ea0b41f1
The interface for fvModels has been modified to improve its application
to "proxy" equations. That is, equations that are not straightforward
statements of conservation laws in OpenFOAM's usual convention.
A standard conservation law typically takes the following form:
fvMatrix<scalar> psiEqn
(
fvm::ddt(alpha, rho, psi)
+ <fluxes>
==
<sources>
);
A proxy equation, on the other hand, may be a derivation or
rearrangement of a law like this, and may be linearised in terms of a
different variable.
The pressure equation is the most common example of a proxy equation. It
represents a statement of the conservation of volume or mass, but it is
a rearrangement of the original continuity equation, and it has been
linearised in terms of a different variable; the pressure. Another
example is that in the pre-predictor of a VoF solver the
phase-continuity equation is constructed, but it is linearised in terms
of volume fraction rather than density.
In these situations, fvModels sources are now applied by calling:
fvModels().sourceProxy(<conserved-fields ...>, <equation-field>)
Where <conserved-fields ...> are (alpha, rho, psi), (rho, psi), just
(psi), or are omitted entirely (for volume continuity), and the
<equation-field> is the field associated with the proxy equation. This
produces a source term identical in value to the following call:
fvModels().source(<conserved-fields ...>)
It is only the linearisation in terms of <equation-field> that differs
between these two calls.
This change permits much greater flexibility in the handling of mass and
volume sources than the previous name-based system did. All the relevant
fields are available, dimensions can be used in the logic to determine
what sources are being constructed, and sources relating to a given
conservation law all share the same function.
This commit adds the functionality for injection-type sources in the
compressibleVoF solver. A following commit will add a volume source
model for use in incompressible solvers.
216 lines
4.8 KiB
C++
216 lines
4.8 KiB
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 | Copyright (C) YEAR OpenFOAM Foundation
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\\/ M anipulation |
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-------------------------------------------------------------------------------
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License
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This file is part of OpenFOAM.
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OpenFOAM is free software: you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with OpenFOAM. If not, see <http://www.gnu.org/licenses/>.
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\*---------------------------------------------------------------------------*/
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#include "codedFvModelTemplate.H"
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#include "addToRunTimeSelectionTable.H"
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#include "fvPatchFieldMapper.H"
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#include "volFields.H"
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#include "surfaceFields.H"
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#include "unitConversion.H"
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#include "fvMatrix.H"
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//{{{ begin codeInclude
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${codeInclude}
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//}}} end codeInclude
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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namespace Foam
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{
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namespace fv
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{
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// * * * * * * * * * * * * * * * Local Functions * * * * * * * * * * * * * * //
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//{{{ begin localCode
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${localCode}
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//}}} end localCode
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// * * * * * * * * * * * * * * * Global Functions * * * * * * * * * * * * * //
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extern "C"
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{
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// dynamicCode:
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// SHA1 = ${SHA1sum}
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//
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// unique function name that can be checked if the correct library version
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// has been loaded
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void ${typeName}_${SHA1sum}(bool load)
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{
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if (load)
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{
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// code that can be explicitly executed after loading
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}
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else
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{
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// code that can be explicitly executed before unloading
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}
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}
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}
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// * * * * * * * * * * * * * * Static Data Members * * * * * * * * * * * * * //
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defineTypeNameAndDebug(${typeName}FvModel${SourceType}, 0);
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addRemovableToRunTimeSelectionTable
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(
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fvModel,
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${typeName}FvModel${SourceType},
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dictionary
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);
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const char* const ${typeName}FvModel${SourceType}::SHA1sum =
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"${SHA1sum}";
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// * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
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${typeName}FvModel${SourceType}::
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${typeName}FvModel${SourceType}
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(
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const word& name,
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const word& modelType,
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const fvMesh& mesh,
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const dictionary& dict
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)
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:
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fvModel(name, modelType, mesh, dict),
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set_(mesh, coeffs())
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{
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if (${verbose})
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{
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Info<<"construct ${typeName} sha1: ${SHA1sum}"
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" from components\n";
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}
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}
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// * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
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${typeName}FvModel${SourceType}::
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~${typeName}FvModel${SourceType}()
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{
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if (${verbose})
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{
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Info<<"destroy ${typeName} sha1: ${SHA1sum}\n";
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}
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}
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// * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
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void ${typeName}FvModel${SourceType}::addSup
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(
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const VolField<${TemplateType}>& field,
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fvMatrix<${TemplateType}>& eqn
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) const
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{
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if (${verbose})
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{
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Info<<"${typeName}FvModel${SourceType}::addSup()\n";
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}
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//{{{ begin code
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${codeAddSup}
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//}}} end code
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}
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void ${typeName}FvModel${SourceType}::addSup
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(
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const volScalarField& rho,
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const VolField<${TemplateType}>& field,
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fvMatrix<${TemplateType}>& eqn
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) const
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{
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if (${verbose})
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{
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Info<<"${typeName}FvModel${SourceType}::addSup()\n";
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}
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//{{{ begin code
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${codeAddRhoSup}
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//}}} end code
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}
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void ${typeName}FvModel${SourceType}::addSup
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(
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const volScalarField& alpha,
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const volScalarField& rho,
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const VolField<${TemplateType}>& field,
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fvMatrix<${TemplateType}>& eqn
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) const
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{
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if (${verbose})
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{
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Info<<"${typeName}FvModel${SourceType}::addSup()\n";
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}
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//{{{ begin code
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${codeAddAlphaRhoSup}
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//}}} end code
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}
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bool ${typeName}FvModel${SourceType}::movePoints()
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{
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set_.movePoints();
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return true;
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}
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void ${typeName}FvModel${SourceType}::topoChange(const polyTopoChangeMap& map)
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{
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set_.topoChange(map);
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}
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void ${typeName}FvModel${SourceType}::mapMesh(const polyMeshMap& map)
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{
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set_.mapMesh(map);
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}
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void ${typeName}FvModel${SourceType}::distribute
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(
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const polyDistributionMap& map
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)
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{
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set_.distribute(map);
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}
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// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
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} // End namespace Foam
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} // End namespace fv
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// ************************************************************************* //
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