solutionbasedshapefunction.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2025   Borek Patzak
 *
 *
 *
 *       Czech Technical University, Faculty of Civil Engineering,
 *   Department of Structural Mechanics, 166 29 Prague, Czech Republic
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Lesser General Public
 *  License as published by the Free Software Foundation; either
 *  version 2.1 of the License, or (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Lesser General Public License for more details.
 *
 *  You should have received a copy of the GNU Lesser General Public
 *  License along with this library; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
#ifndef SOLUTIONBASEDSHAPEFUNCTION_H_
#define SOLUTIONBASEDSHAPEFUNCTION_H_
 
#include "activebc.h"
#include "dofiditem.h"
#include "floatarray.h"
 
#define _IFT_SolutionbasedShapeFunction_Name "solutionbasedshapefunction"
#define _IFT_SolutionbasedShapeFunction_ShapeFunctionFile "shapefunctionfile"
#define _IFT_SolutionbasedShapeFunction_Externalset "externalset"
#define _IFT_SolutionbasedShapeFunction_UseCorrectionFactors "usecorrectionfactors"
#define _IFT_SolutionbasedShapeFunction_DumpSnapshots "dumpsnapshots"
 
namespace oofem {
class EngngModel;
class Element;
class Node;
 
struct SurfaceDataStruct {
    bool isPlus;
    bool isMinus;
    bool isZeroBoundary;
    bool isFree;
    DofIDItem DofID;
    DofManager *DofMan;
    double value;
};
 
struct modeStruct {
    double am, ap;
    std::unique_ptr<EngngModel> myEngngModel;
    std :: vector<SurfaceDataStruct> SurfaceData;
 
    /* Visual c++ 2017 compatibility */
#ifdef _MSC_VER
    modeStruct() {}
    modeStruct(std::unique_ptr<EngngModel>& model) : myEngngModel(std::move(model)) {}
    modeStruct(modeStruct&& B) : myEngngModel(std::move(B.myEngngModel)) { am = B.am; ap = B.ap; SurfaceData = B.SurfaceData; }
    modeStruct(modeStruct& B) : myEngngModel(std::move(B.myEngngModel)) { am = B.am; ap = B.ap; SurfaceData = B.SurfaceData; }
 
    modeStruct& operator= (modeStruct& other) {
        myEngngModel = std::move(other.myEngngModel);
        am = other.am;
        ap = other.ap;
        SurfaceData = other.SurfaceData;
        return *this;
    }
#endif /* end of Visual c++ 2017 compatibility */ 
 
 
 
};
 
class OOFEM_EXPORT SolutionbasedShapeFunction : public ActiveBoundaryCondition
{
private:
    Node *myNode;
    IntArray myDofIDs;
    int externalSet;
    int order;
    double TOL;
    std :: string filename;
    bool useConstantBase;
    bool isLoaded;
 
    bool useCorrectionFactors;
    bool dumpSnapshot;
 
    double bigNorm;
    int worstIndex;
 
    bool isCoeff(ActiveDof *dof);
 
    std :: vector< modeStruct >modes;
 
    void updateModelWithFactors(modeStruct &m);
    TimeStep *thisTimestep;
 
    FloatArray maxCoord, minCoord;
 
    void setBoundaryConditionOnDof(Dof *d, double value);
 
    void setLoads(EngngModel &myEngngModel, int d);
    void loadProblem();
    void init();
 
    void computeCorrectionFactors(modeStruct &myMode, IntArray &Dofs, double &am, double &ap);

    void giveValueAtPoint(FloatArray &answer, const FloatArray &coords, IntArray &dofID, EngngModel &myEngngModel);
 
    void giveCorrectedValueAtPoint(FloatArray &answer, const FloatArray &coords, IntArray &dofID, EngngModel &myEngngModel);
 
    void splitBoundaryNodeIDs(modeStruct &mode, Element &e, IntArray &boundary, IntArray &pList, IntArray &mList, IntArray &zList, FloatMatrix &nodeValues);
 
    void computeBaseFunctionValueAt(FloatArray &answer, const FloatArray &coords, IntArray &dofIDs, EngngModel &myEngngModel);
 
    void initializeSurfaceData(modeStruct &mode);
 
    void copyDofManagersToSurfaceData(modeStruct &mode, IntArray nodeList, bool isPlus, bool isMinus, bool isZero);
 
    void whichBoundary(const FloatArray &coord, bool &isPlus, bool &isMinus, bool &isZero);
 
public:
    SolutionbasedShapeFunction(int n, Domain * d);
    virtual ~SolutionbasedShapeFunction() {}
 
    void initializeFrom(InputRecord &ir) override;
 
    bool requiresActiveDofs() override { return true; }
    int giveNumberOfInternalDofManagers() override { return 1; }
    DofManager *giveInternalDofManager(int i) override;
 
    double giveUnknown(PrimaryField &field, ValueModeType mode, TimeStep *tStep, ActiveDof *dof) override;
    double giveUnknown(ValueModeType mode, TimeStep *tStep, ActiveDof *dof) override;
 
    bool hasBc(Dof *dof, TimeStep *tStep) override { return false; }
 
    bool isPrimaryDof(ActiveDof *dof) override { return false; }
 
    void computeDofTransformation(ActiveDof *dof, FloatArray &masterContribs) override;
 
    int giveNumberOfMasterDofs(ActiveDof *dof) override;
    Dof *giveMasterDof(ActiveDof *dof, int mdof) override;
 
    const char *giveClassName() const override { return "SolutionbasedShapeFunction"; }
    const char *giveInputRecordName() const override { return _IFT_SolutionbasedShapeFunction_Name; }
 
    double checkIncompressibility(EngngModel &myEngngModel);
};
}
 
#endif /* SOLUTIONBASEDSHAPEFUNCTION_H_ */