boundaryload.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 "boundaryload.h"
#include "function.h"
#include "floatarray.h"
#include "timestep.h"
#include "dynamicinputrecord.h"
#include "valuemodetype.h"
#include "domain.h"
#include "datastream.h"
#include "contextioerr.h"
 
namespace oofem {
 
BoundaryLoad :: BoundaryLoad(int i, Domain * d) : Load(i, d), coordSystemType(CST_Global){
 
}
 
void
BoundaryLoad :: computeComponentArrayAt(FloatArray &answer, TimeStep *tStep, ValueModeType mode)
{
    // returns component array for elements which use direct formulae
    Load :: computeComponentArrayAt(answer, tStep, mode);
}
 
 
void
BoundaryLoad :: computeValueAt(FloatArray &answer, TimeStep *tStep, const FloatArray &coords, ValueModeType mode)
{
    // Evaluates the value at specific integration point
    int nSize, nDofs;
    double factor;
    FloatArray N;
 
    if ( ( mode != VM_Total ) && ( mode != VM_Incremental ) && (mode != VM_TotalIntrinsic) ) {
        OOFEM_ERROR("unknown mode");
    }
 
    this->computeNArray(N, coords);
    nSize = N.giveSize();
 
    nDofs = this->componentArray.giveSize() / nSize;
 
    answer.resize(nDofs);
 
    for ( int i = 1; i <= nDofs; i++ ) {
        double value = 0.;
        for ( int j = 1; j <= nSize; j++ ) {
            value += N.at(j) * this->componentArray.at(i + ( j - 1 ) * nDofs);
        }
 
        answer.at(i) = value;
    }
 
    // time distribution
    factor = this->giveTimeFunction()->evaluate(tStep, mode);
    answer.times(factor);
}
 
 
void
BoundaryLoad :: initializeFrom(InputRecord &ir)
{
    Load :: initializeFrom(ir);
 
    int dummy;
    IR_GIVE_OPTIONAL_FIELD(ir, dummy, "ndofs");
 
    int value = 0;
    IR_GIVE_OPTIONAL_FIELD(ir, value, _IFT_BoundaryLoad_loadtype);
    lType = ( bcType ) value;
 
    value = 0;
    IR_GIVE_OPTIONAL_FIELD(ir, value, _IFT_BoundaryLoad_cstype);
    coordSystemType = ( CoordSystType ) value;
 
    IR_GIVE_OPTIONAL_FIELD(ir, propertyDictionary, _IFT_BoundaryLoad_properties);
    IR_GIVE_OPTIONAL_FIELD(ir, propertyTimeFunctDictionary, _IFT_BoundaryLoad_propertyTimeFunctions);
 
    IR_GIVE_OPTIONAL_FIELD(ir, propertyMultExpr, _IFT_BoundaryLoad_propertyMultExpr);
 
    temperOffset = 273.15;
    IR_GIVE_OPTIONAL_FIELD(ir, temperOffset, _IFT_BoundaryLoad_temperOffset);
}
 
 
void
BoundaryLoad :: giveInputRecord(DynamicInputRecord &input)
{
    Load :: giveInputRecord(input);
    input.setField(this->lType, _IFT_BoundaryLoad_loadtype);
    input.setField(this->coordSystemType, _IFT_BoundaryLoad_cstype);
    input.setField(this->propertyDictionary, _IFT_BoundaryLoad_properties);
    input.setField(this->propertyTimeFunctDictionary, _IFT_BoundaryLoad_propertyTimeFunctions);
    input.setField(this->propertyMultExpr, _IFT_BoundaryLoad_propertyMultExpr);
}
 
 
double
BoundaryLoad :: giveProperty(int aProperty, TimeStep *tStep, const std :: map< std :: string, FunctionArgument > &valDict) const
{
    double answer;
    if ( propertyDictionary.includes(aProperty) ) {
        // check if time fuction registered under the same key
        if ( propertyTimeFunctDictionary.includes(aProperty) ) {
            answer = propertyDictionary.at(aProperty) * domain->giveFunction( (int)propertyTimeFunctDictionary.at(aProperty) )->evaluate(tStep, VM_Total);
        } else {
            answer = propertyDictionary.at(aProperty);
        }
    } else {
        OOFEM_ERROR("Property '%c' not defined", (char)aProperty);
    }
 
    if ( propertyMultExpr.isDefined() ) {
        answer *= propertyMultExpr.eval( valDict, this->giveDomain() );
    }
    return answer;
}
 
double
BoundaryLoad :: giveProperty(int aProperty, TimeStep *tStep) const
{
    return this->giveProperty(aProperty, tStep, {});
}
 
double
BoundaryLoad :: giveTemperOffset(void)
{
    return this->temperOffset;
}
 
void
BoundaryLoad :: saveContext(DataStream &stream, ContextMode mode)
{
    Load :: saveContext(stream, mode);
 
    if ( mode & CM_Definition ) {
        if ( !stream.write(lType) ) {
          THROW_CIOERR(CIO_IOERR);
        }
        if ( !stream.write(coordSystemType) ) {
          THROW_CIOERR(CIO_IOERR);
        }
        propertyDictionary.saveContext(stream);
        propertyTimeFunctDictionary.saveContext(stream);
 
        if ( !stream.write(temperOffset) ) {
          THROW_CIOERR(CIO_IOERR);
        }
    }
}
 
 
void
BoundaryLoad :: restoreContext(DataStream &stream, ContextMode mode)
{
    Load :: restoreContext(stream, mode);
 
    if ( mode & CM_Definition ) {
        int _val;
        if ( !stream.read(_val) ) {
          THROW_CIOERR(CIO_IOERR);
        }
        lType = (bcType) _val;
 
        if ( !stream.read(_val) ) {
          THROW_CIOERR(CIO_IOERR);
        }
        coordSystemType = (CoordSystType) _val;
 
        propertyDictionary.restoreContext(stream);
        propertyTimeFunctDictionary.restoreContext(stream);
 
        if ( !stream.read(temperOffset) ) {
          THROW_CIOERR(CIO_IOERR);
        }
    }
}
 
} // end namespace oofem