sensitivitySurfacePointsIncompressible.H

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    Copyright (C) 2013-2020 FOSS GP
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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.
 
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    for more details.
 
    You should have received a copy of the GNU General Public License
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Class
    Foam::incompressible::sensitivitySurfacePoints
 
Description
    Calculation of adjoint based sensitivities at wall points
 
SourceFiles
    sensitivitySurfacePoints.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef sensitivitySurfacePointsIncompressible_H
#define sensitivitySurfacePointsIncompressible_H
 
#include "adjointSensitivityIncompressible.H"
#include "shapeSensitivitiesBase.H"
#include "adjointEikonalSolverIncompressible.H"
#include "adjointMeshMovementSolverIncompressible.H"
#include "deltaBoundary.H"
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
namespace incompressible
{
 
/*---------------------------------------------------------------------------*\
                  Class sensitivitySurfacePoints Declaration
\*---------------------------------------------------------------------------*/
 
class sensitivitySurfacePoints
:
    public adjointSensitivity,
    public shapeSensitivitiesBase
{
protected:
 
    // Protected data
 
 
        //- Include surface area in sens computation
        bool includeSurfaceArea_;
 
        //- Include the adjoint pressure term in sens computation
        bool includePressureTerm_;
 
        //- Include the term containing the grad of the stress at the boundary
        bool includeGradStressTerm_;
 
        //- Include the transpose part of the adjoint stresses
        bool includeTransposeStresses_;
 
        //- Use snGrad in the transpose part of the adjoint stresses
        bool useSnGradInTranposeStresses_;
 
        //- Include the term from the deviatoric part of the stresses
        bool includeDivTerm_;
 
        //- Include distance variation in sens computation
        bool includeDistance_;
 
        //- Include mesh movement variation in sens computation
        bool includeMeshMovement_;
 
        //- Include terms directly emerging from the objective function
        bool includeObjective_;
 
        autoPtr<adjointEikonalSolver> eikonalSolver_;
 
        autoPtr<adjointMeshMovementSolver> meshMovementSolver_;
 
        //- The face-based part of the sensitivities
        //  i.e. terms that multiply dxFace/dxPoint.
        //  Sensitivities DO include locale surface area, to get
        //  the correct weighting from the contributions of various faces.
        //  Normalized at the end.
        autoPtr<boundaryVectorField> wallFaceSens_;
 
        //- Multipliers of d(Sf)/db and d(nf)/db
        autoPtr<boundaryVectorField> dSfdbMult_;
        autoPtr<boundaryVectorField> dnfdbMult_;
 
 
    // Protected Member Functions
 
        //- Read controls and update solver pointers if necessary
        void read();
 
        //- Add terms related to post-processing PDEs
        //- (i.e. adjoint Eikonal, adjoint mesh movement)
        //- and add local face area
        void finaliseFaceMultiplier();
 
        //- Converts face sensitivities to point sensitivities and adds the
        //- ones directly computed in points (i.e. dSf/db and dnf/db).
        void finalisePointSensitivities();
 
        //- Construct globally correct point normals and point areas
        void constructGlobalPointNormalsAndAreas
        (
            vectorField& pointNormals,
            scalarField& pointMagSf
        );
 
        //- Set suffix name for sensitivity fields
        void setSuffixName();
 
 
private:
 
    // Private Member Functions
 
        //- No copy construct
        sensitivitySurfacePoints(const sensitivitySurfacePoints&) = delete;
 
        //- No copy assignment
        void operator=(const sensitivitySurfacePoints&) = delete;
 
 
public:
 
    //- Runtime type information
    TypeName("surfacePoints");
 
 
    // Constructors
 
        //- Construct from components
        sensitivitySurfacePoints
        (
            const fvMesh& mesh,
            const dictionary& dict,
            incompressibleAdjointSolver& adjointSolver
        );
 
 
    //- Destructor
    virtual ~sensitivitySurfacePoints() = default;
 
 
    // Member Functions
 
       //- Read dict if changed
       virtual bool readDict(const dictionary& dict);
 
       //- Accumulate sensitivity integrands
       virtual void accumulateIntegrand(const scalar dt);
 
       //- Assemble sensitivities
       virtual void assembleSensitivities();
 
       //- Zero sensitivity fields and their constituents
       virtual void clearSensitivities();
 
       virtual void write(const word& baseName = word::null);
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace incompressible
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //