intelpoint.C

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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
 */
 
#include "sm/Elements/Interfaces/intelpoint.h"
#include "sm/CrossSections/structuralinterfacecrosssection.h"
#include "domain.h"
#include "node.h"
#include "gaussintegrationrule.h"
#include "floatmatrix.h"
#include "floatarray.h"
#include "intarray.h"
#include "mathfem.h"
#include "classfactory.h"
#include "parametermanager.h"
#include "paramkey.h"
//#include "floatarrayf.h"
 
#ifdef __OOFEG
 #include "oofeggraphiccontext.h"
 
 #include <Emarkwd3d.h>
#endif
 
namespace oofem {
REGISTER_Element(IntElPoint);
ParamKey IntElPoint::IPK_IntElPoint_refnode("refnode");
ParamKey IntElPoint::IPK_IntElPoint_normal("normal");
ParamKey IntElPoint::IPK_IntElPoint_area("area");
ParamKey IntElPoint::IPK_IntElPoint_length("length");
 
IntElPoint :: IntElPoint(int n, Domain *aDomain) :
    StructuralInterfaceElement(n, aDomain)
{
    numberOfDofMans = 2;
    length = 1.;
    area = 1.;
}
 
 
void
IntElPoint :: setCoordMode()
{
    switch ( domain->giveNumberOfSpatialDimensions() ) {
    case 1:
        this->mode = ie1d_1d;
        break;
    case 2:
        this->mode = ie1d_2d;
        break;
    case 3:
        this->mode = ie1d_3d;
        break;
    default:
        OOFEM_ERROR("Unsupported domain type")
    }
}
 
 
MaterialMode
IntElPoint :: giveMaterialMode()
{
    setCoordMode();
    switch ( mode ) {
    case ie1d_1d: return _1dInterface;
 
    case ie1d_2d: return _2dInterface;
 
    case ie1d_3d: return _3dInterface;
 
    default: OOFEM_ERROR("Unsupported coord mode");
    }
    //return _1dInterface; // to make the compiler happy
}
 
 
void
IntElPoint :: computeNmatrixAt(GaussPoint *gp, FloatMatrix &answer)
//
// Returns linear part of geometrical equations of the receiver at gp.
// Returns the linear part of the B matrix
//
{
    setCoordMode();
 
    switch ( mode ) {
    case ie1d_1d:
        answer.resize(1, 2);
        answer.at(1, 1) = -1.0;
        answer.at(1, 2) = +1.0;
        break;
    case ie1d_2d:
        answer.resize(2, 4);
        answer.zero();
        answer.at(1, 1) = -1.0;
        answer.at(1, 3) = +1.0;
        answer.at(2, 2) = -1.0;
        answer.at(2, 4) = +1.0;
        break;
    case ie1d_3d:
        answer.resize(3, 6);
        answer.zero();
        answer.at(1, 1) = -1.0;
        answer.at(1, 4) = +1.0;
        answer.at(2, 2) = -1.0;
        answer.at(2, 5) = +1.0;
        answer.at(3, 3) = -1.0;
        answer.at(3, 6) = +1.0;
        break;
    default:
        OOFEM_ERROR("Unsupported mode");
    }
 
}
 
 
void
IntElPoint :: computeTransformationMatrixAt(GaussPoint *gp, FloatMatrix &answer)
{
    // Computes transformation matrix to local coordinate system.
    setCoordMode();
    switch ( mode ) {
    case ie1d_1d:
        answer.resize(1, 1);
        answer.at(1, 1) = 1.;
        return;
 
    case ie1d_2d:
        answer.resize(2, 2);
        answer.at(1, 1) =  normal.at(1);
        answer.at(1, 2) =  normal.at(2);
        answer.at(2, 1) = -normal.at(2);
        answer.at(2, 2) =  normal.at(1);
        return;
 
    case ie1d_3d:
    {
        //FloatMatrix test;
        //test.beLocalCoordSys(normal.normalize());
 
        FloatArrayF<3> ly;
        if ( fabs( normal.at(1) ) > fabs( normal.at(2) ) ) {
            ly.at(2) = 1.;
        } else {
            ly.at(1) = 1.;
        }
 
        auto lz = cross(normal, ly);
        lz /= norm(lz);
        ly = cross(lz, normal);
        ly /= norm(ly);
 
        answer.resize(3, 3);
        for ( int i = 1; i <= 3; i++ ) {
            answer.at(1, i) = normal.at(i);
            answer.at(2, i) = ly.at(i);
            answer.at(3, i) = lz.at(i);
        }
 
        return;
    }
 
    default:
        OOFEM_ERROR("Unsupported mode");
    }
}
 
 
void
IntElPoint :: computeGaussPoints()
{
    if ( integrationRulesArray.size() == 0 ) {
        integrationRulesArray.resize(1);
        integrationRulesArray [ 0 ] = std::make_unique<GaussIntegrationRule>(1, this, 1, 2);
        integrationRulesArray [ 0 ]->setUpIntegrationPoints( _Line, 1, this->giveMaterialMode() );
    }
}
 
 
int
IntElPoint :: computeGlobalCoordinates(FloatArray &answer, const FloatArray &lcoords)
{
    answer = this->giveNode(1)->giveCoordinates();
    answer.add(this->giveNode(2)->giveCoordinates());
    answer.times(0.5);
    return 1;
}
 
 
 
double
IntElPoint :: computeAreaAround(GaussPoint *gp)
{
    if ( (this->giveCrossSection()->hasProperty(CS_Thickness)) ) {
        double thickness = this->giveCrossSection()->give(CS_Thickness, gp);
        return thickness*this->length;
    } else {
    // The modeled area/extension around the connected nodes. 
    // Compare with the cs area of a bar. ///@todo replace with cs-property? /JB
    return this->area;
    }
}
 
 
void
IntElPoint :: initializeFrom(InputRecord &ir, int priority)
{
    // Initialize the receiver from the given input record.
    bool flag;
    ParameterManager & ppm = this->giveDomain()->elementPPM;
    StructuralInterfaceElement :: initializeFrom(ir, priority);
 
    PM_UPDATE_PARAMETER(referenceNode, ppm, ir, this->number, IPK_IntElPoint_refnode, priority);
    FloatArray n;
    PM_UPDATE_PARAMETER_AND_REPORT(n, ppm, ir, this->number, IPK_IntElPoint_normal, priority, flag);
    if (flag) {
        normal = n;
    }
    //PM_UPDATE_PARAMETER(referenceNode, ppm, ir, this->number, IPK_IntElPoint_refnode, priority);
    PM_UPDATE_PARAMETER(area, ppm, ir, this->number, IPK_IntElPoint_area, priority);
    PM_UPDATE_PARAMETER(length, ppm, ir, this->number, IPK_IntElPoint_length, priority);   
}
 
void
IntElPoint :: postInitialize()
{
    StructuralInterfaceElement :: postInitialize();
    ParameterManager & ppm = this->giveDomain()->elementPPM;
    bool refnodeFlag = ppm.checkIfSet(this->number, IPK_IntElPoint_refnode.getIndex());
    bool normalFlag = ppm.checkIfSet(this->number, IPK_IntElPoint_normal.getIndex());
    if ( refnodeFlag && normalFlag ) {
        OOFEM_ERROR("Ambiguous input: 'refnode' and 'normal' cannot both be specified");
    }
    this->computeLocalSlipDir();     
}
 
int
IntElPoint :: computeNumberOfDofs()
{
    setCoordMode();
    switch ( mode ) {
    case ie1d_1d:
        return 2;
 
    case ie1d_2d:
        return 4;
 
    case ie1d_3d:
        return 6;
 
    default:
        OOFEM_ERROR("Unsupported mode");
    }
 
    //return 0; // to suppress compiler warning
}
 
 
void
IntElPoint :: giveDofManDofIDMask(int inode, IntArray &answer) const
{
 
    switch ( domain->giveNumberOfSpatialDimensions() ) {
    case 1:
        answer = IntArray{ D_u };
        break;
    case 2:
        answer = { D_u, D_v };
        break;
    case 3:
        answer = { D_u, D_v, D_w };
        break;
    default:
        OOFEM_ERROR("Unsupported mode");
    }
 
}
 
 
void
IntElPoint :: computeLocalSlipDir(void)
{
    if ( this->referenceNode ) {
        // normal
        normal = domain->giveNode(this->referenceNode)->giveCoordinates() - this->giveNode(1)->giveCoordinates();
    } else {
 
      if ( normal.at(1) == 0. && normal.at(2) == 0. && normal.at(3) == 0. ) {
    // let the element compute the slip direction if the nodes' cooridantes are different
        normal = this->giveNode(2)->giveCoordinates() - this->giveNode(1)->giveCoordinates();
    
    // final check
    if ( normal.at(1) == 0. && normal.at(2) == 0. && normal.at(3) == 0. ) {
      OOFEM_ERROR("Normal is not defined (referenceNode=0,normal=(0,0,0))");
    }
      }
    }
 
    normal /= norm(normal);
}
  
 
#ifdef __OOFEG
void IntElPoint :: drawRawGeometry(oofegGraphicContext &gc, TimeStep *tStep)
{
    GraphicObj *go;
    //  if (!go) { // create new one
    WCRec p [ 1 ]; /* poin */
    if ( !gc.testElementGraphicActivity(this) ) {
        return;
    }
 
    EASValsSetColor( gc.getElementColor() );
    EASValsSetLayer(OOFEG_RAW_GEOMETRY_LAYER);
    EASValsSetLineWidth(OOFEG_DEFORMED_GEOMETRY_WIDTH);
    EASValsSetColor( gc.getDeformedElementColor() );
    p [ 0 ].x = ( FPNum ) ( this->giveNode(1)->giveCoordinate(1) );
    p [ 0 ].y = ( FPNum ) ( this->giveNode(1)->giveCoordinate(2) );
    p [ 0 ].z = ( FPNum ) ( this->giveNode(1)->giveCoordinate(3) );
 
    EASValsSetMType(CIRCLE_MARKER);
    go = CreateMarker3D(p);
    EGWithMaskChangeAttributes(WIDTH_MASK | COLOR_MASK | LAYER_MASK, go);
    EMAddGraphicsToModel(ESIModel(), go);
}
 
 
void IntElPoint :: drawDeformedGeometry(oofegGraphicContext &gc, TimeStep *tStep, UnknownType type)
{
    GraphicObj *go;
    //  if (!go) { // create new one
    WCRec p [ 1 ]; /* poin */
    if ( !gc.testElementGraphicActivity(this) ) {
        return;
    }
 
    double defScale = gc.getDefScale();
 
    EASValsSetLineWidth(OOFEG_DEFORMED_GEOMETRY_WIDTH);
    EASValsSetColor( gc.getDeformedElementColor() );
    EASValsSetLayer(OOFEG_DEFORMED_GEOMETRY_LAYER);
    p [ 0 ].x = ( FPNum ) 0.5 * ( this->giveNode(1)->giveUpdatedCoordinate(1, tStep, defScale) +
                                 this->giveNode(2)->giveUpdatedCoordinate(1, tStep, defScale) );
    p [ 0 ].y = ( FPNum ) 0.5 * ( this->giveNode(1)->giveUpdatedCoordinate(2, tStep, defScale) +
                                 this->giveNode(2)->giveUpdatedCoordinate(2, tStep, defScale) );
    p [ 0 ].z = ( FPNum ) 0.5 * ( this->giveNode(1)->giveUpdatedCoordinate(3, tStep, defScale) +
                                 this->giveNode(2)->giveUpdatedCoordinate(3, tStep, defScale) );
 
    EASValsSetMType(CIRCLE_MARKER);
    go = CreateMarker3D(p);
    EGWithMaskChangeAttributes(WIDTH_MASK | COLOR_MASK | LAYER_MASK, go);
    EMAddGraphicsToModel(ESIModel(), go);
}
 
 
void IntElPoint :: drawScalar(oofegGraphicContext &gc, TimeStep *tStep)
{
    int indx, result = 0;
    IntegrationRule *iRule = this->giveDefaultIntegrationRulePtr();
    FloatArray gcoord(3), v1;
    WCRec p [ 1 ];
    GraphicObj *go;
    double val [ 1 ];
 
    if ( !gc.testElementGraphicActivity(this) ) {
        return;
    }
 
    if ( gc.getInternalVarsDefGeoFlag() ) {
        double defScale = gc.getDefScale();
        p [ 0 ].x = ( FPNum ) 0.5 * ( this->giveNode(1)->giveUpdatedCoordinate(1, tStep, defScale) +
                                     this->giveNode(2)->giveUpdatedCoordinate(1, tStep, defScale) );
        p [ 0 ].y = ( FPNum ) 0.5 * ( this->giveNode(1)->giveUpdatedCoordinate(2, tStep, defScale) +
                                     this->giveNode(2)->giveUpdatedCoordinate(2, tStep, defScale) );
        p [ 0 ].z = ( FPNum ) 0.5 * ( this->giveNode(1)->giveUpdatedCoordinate(3, tStep,  defScale) +
                                     this->giveNode(2)->giveUpdatedCoordinate(3, tStep, defScale) );
    } else {
        p [ 0 ].x = ( FPNum ) ( this->giveNode(1)->giveCoordinate(1) );
        p [ 0 ].y = ( FPNum ) ( this->giveNode(1)->giveCoordinate(2) );
        p [ 0 ].z = ( FPNum ) ( this->giveNode(1)->giveCoordinate(3) );
    }
 
    result += giveIPValue(v1, iRule->getIntegrationPoint(0), gc.giveIntVarType(), tStep);
 
 
    for ( auto &gp: *iRule ) {
        result = 0;
        result += giveIPValue(v1, gp, gc.giveIntVarType(), tStep);
        if ( result != 1 ) {
            continue;
        }
 
        indx = gc.giveIntVarIndx();
 
        val [ 0 ] = v1.at(indx);
        gc.updateFringeTableMinMax(val, 1);
 
        EASValsSetLayer(OOFEG_VARPLOT_PATTERN_LAYER);
        EASValsSetMType(FILLED_CIRCLE_MARKER);
        go = CreateMarkerWD3D(p, val [ 0 ]);
        EGWithMaskChangeAttributes(LAYER_MASK | FILL_MASK | MTYPE_MASK, go);
        EMAddGraphicsToModel(ESIModel(), go);
        //}
    }
}
#endif
 
} // end namespace oofem