ltrspace.h

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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 ltrspace_h
#define ltrspace_h
 
#include "sm/Elements/structural3delement.h"
#include "sm/ErrorEstimators/directerrorindicatorrc.h"
#include "sm/ErrorEstimators/huertaerrorestimator.h"
#include "zznodalrecoverymodel.h"
#include "nodalaveragingrecoverymodel.h"
#include "sprnodalrecoverymodel.h"
#include "spatiallocalizer.h"
#include "sm/ErrorEstimators/zzerrorestimator.h"
#include "mmashapefunctprojection.h"
 
#define _IFT_LTRSpace_Name "ltrspace"
 
namespace oofem {
class FEI3dTetLin;

class LTRSpace : public Structural3DElement, public ZZNodalRecoveryModelInterface,
public NodalAveragingRecoveryModelInterface, public SPRNodalRecoveryModelInterface,
public SpatialLocalizerInterface,
public ZZErrorEstimatorInterface,
public HuertaErrorEstimatorInterface
{
protected:
    static FEI3dTetLin interpolation;
 
public:
    LTRSpace(int n, Domain * d);
    virtual ~LTRSpace() { }
 
    FEInterpolation *giveInterpolation() const override;
 
    void computeLumpedMassMatrix(FloatMatrix &answer, TimeStep *tStep) override;
    int giveNumberOfIPForMassMtrxIntegration() override { return 4; }
    Interface *giveInterface(InterfaceType it) override;
 
    // definition & identification
    const char *giveInputRecordName() const override { return _IFT_LTRSpace_Name; }
    const char *giveClassName() const override { return "LTRSpace"; }
    Element_Geometry_Type giveGeometryType() const override {return EGT_tetra_1;}
 
 
#ifdef __OOFEG
    void drawRawGeometry(oofegGraphicContext &gc, TimeStep *tStep) override;
    void drawDeformedGeometry(oofegGraphicContext &gc, TimeStep *tStep, UnknownType) override;
    void drawScalar(oofegGraphicContext &gc, TimeStep *tStep) override;
    void drawSpecial(oofegGraphicContext &gc, TimeStep *tStep) override;
#endif
 
    double giveRelativeSelfComputationalCost() override { return 2.15; }
 
    void NodalAveragingRecoveryMI_computeNodalValue(FloatArray &answer, int node,
                                                    InternalStateType type, TimeStep *tStep) override;
 
    void SPRNodalRecoveryMI_giveSPRAssemblyPoints(IntArray &pap) override;
    void SPRNodalRecoveryMI_giveDofMansDeterminedByPatch(IntArray &answer, int pap) override;
    int SPRNodalRecoveryMI_giveNumberOfIP() override;
    SPRPatchType SPRNodalRecoveryMI_givePatchType() override;
 
    // HuertaErrorEstimatorInterface
    void HuertaErrorEstimatorI_setupRefinedElementProblem(RefinedElement *refinedElement, int level, int nodeId,
                                                          IntArray &localNodeIdArray, IntArray &globalNodeIdArray,
                                                          HuertaErrorEstimatorInterface :: SetupMode sMode, TimeStep *tStep,
                                                          int &localNodeId, int &localElemId, int &localBcId,
                                                          IntArray &controlNode, IntArray &controlDof,
                                                          HuertaErrorEstimator :: AnalysisMode aMode) override;
    void HuertaErrorEstimatorI_computeNmatrixAt(GaussPoint *gp, FloatMatrix &answer) override;
};
} // end namespace oofem
#endif // ltrspace_h