randommaterialext.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 "gausspoint.h"
#include "inputrecord.h"
#include "domain.h"
#include "material.h"
#include "function.h"
#include "randommaterialext.h"
#include "dynamicinputrecord.h"
 
namespace oofem {
bool
RandomMaterialStatusExtensionInterface :: _giveProperty(int key, double &value)
{
    if ( randProperties.includes(key) ) {
        value = randProperties.at(key);
        return true;
    } else {
        return false;
    }
}
 
void
RandomMaterialStatusExtensionInterface :: _setProperty(int key, double value)
{
    randProperties.at(key) = value;
}
 
 
void
RandomMaterialExtensionInterface :: initializeFrom(InputRecord &ir)
{
    randVariables.clear();
    randomVariableGenerators.clear();
    IR_GIVE_OPTIONAL_FIELD(ir, randVariables, _IFT_RandomMaterialExt_randVariables);
    IR_GIVE_OPTIONAL_FIELD(ir, randomVariableGenerators, _IFT_RandomMaterialExt_randGen);
 
    if ( randVariables.giveSize() != randomVariableGenerators.giveSize() ) {
        throw ValueInputException(ir, _IFT_RandomMaterialExt_randVariables, "Incompatible size of randvars and randdist attrs");
    }
}
 
 
void
RandomMaterialExtensionInterface :: giveInputRecord(DynamicInputRecord &ir)
{
    ir.setField(this->randVariables, _IFT_RandomMaterialExt_randVariables);
    ir.setField(this->randomVariableGenerators, _IFT_RandomMaterialExt_randGen);
}
 
 
bool
RandomMaterialExtensionInterface :: give(int key, GaussPoint *gp, double &value) const
{
    MaterialStatus *status = static_cast< MaterialStatus * >( gp->giveMaterialStatus() );
 
    // check if random material status has been initialized - does not have to be if material is used as a dummy
    if  ( status->giveInterface(RandomMaterialStatusExtensionInterfaceType) == NULL ) {
        return false;
    }
 
 
    RandomMaterialStatusExtensionInterface *interface = dynamic_cast< RandomMaterialStatusExtensionInterface * >
                                                        ( gp->giveMaterialStatus()->giveInterface(RandomMaterialStatusExtensionInterfaceType) );
    return interface->_giveProperty(key, value);
}
 
void
RandomMaterialExtensionInterface :: _generateStatusVariables(GaussPoint *gp) const
{
    // Have to wrap it through the material to ensure that it gets an actual material status (for now at least)
    int size = randVariables.giveSize();
    double value;
    MaterialStatus *matStat = static_cast< MaterialStatus * >( gp->giveMaterialStatus() );
    RandomMaterialStatusExtensionInterface *status = static_cast< RandomMaterialStatusExtensionInterface * >
                                                     ( matStat->giveInterface(RandomMaterialStatusExtensionInterfaceType) );
 
    for ( int i = 1; i <= size; i++ ) {
        FloatArray globalCoordinates;
        if ( gp->giveElement()->computeGlobalCoordinates(globalCoordinates, gp->giveSubPatchCoordinates() ) ) {
            Function *f = gp->giveElement()->giveDomain()->giveFunction(randomVariableGenerators.at(i) );
            value = f->evaluate({{ "x", globalCoordinates } });
            status->_setProperty(randVariables.at(i), value);
        } else {
            OOFEM_ERROR("computeGlobalCoordinates failed");
        }
    }
}
} // end namespace oofem