externaltempfieldload.C

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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 "externaltempfieldload.h"
#include "timestep.h"
#include "classfactory.h"
#include "field.h"
#include "vtkhdf5reader.h"
#include "unstructuredgridfield.h"
 
namespace oofem {
REGISTER_BoundaryCondition(ExternalTemperatureFieldLoad);
 
void
ExternalTemperatureFieldLoad :: computeValueAt(FloatArray &answer, TimeStep *tStep, const FloatArray &coords, ValueModeType mode)
// Returns the value of the receiver at time and given position respecting the mode.
{
    if(!foreignField){
        OOFEM_ERROR("ExternalTemperatureFieldLoad: foreignField must be assigned from python (is NULL).")  }
 
    if ( ( mode != VM_Incremental ) && ( mode != VM_Total ) ) {
        OOFEM_ERROR("unknown mode (%s)", __ValueModeTypeToString(mode) );
    }
 
    if (this->vtkhdffielddefined)
    {
        if (this->readerStateCounter != tStep->giveSolutionStateCounter())
        {
            this->readerStateCounter = tStep->giveSolutionStateCounter();
            this->vtkReader.readMesh(*((UnstructuredGridField*)foreignField.get()), tStep);
            this->vtkReader.readField(*((UnstructuredGridField*)foreignField.get()), tStep, vtkhdfFieldname);
        }
    }
 
    if(foreignField->evaluateAt(answer, coords, mode, tStep)){
        OOFEM_ERROR("ExternalTemperatureFieldLoad::foreignField.evaluateAt(...) failed.");
    }
}
 
void
ExternalTemperatureFieldLoad :: initializeFrom(InputRecord &ir)
{
    set = 0;
    IR_GIVE_OPTIONAL_FIELD(ir, set, _IFT_GeneralBoundaryCondition_set);
    
    IR_GIVE_OPTIONAL_FIELD(ir, vtkhdfFilename, _IFT_ExternalTemperatureFieldLoad_VTKHDF5FileName); // Macro - see internalstatetype.h
    IR_GIVE_OPTIONAL_FIELD(ir, vtkhdfFieldname, _IFT_ExternalTemperatureFieldLoad_VTKHDF5FieldName); // Macro - see internalstatetype.h
    foreignField =  std::make_shared<UnstructuredGridField>(0,0,0.);
    this->vtkReader.initialize(vtkhdfFilename);
    vtkhdffielddefined = true;
    readerStateCounter = 0;
}
 
} // end namespace oofem