ncprincipalstress.h

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/*
 *
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 *               ##   ##  ##   ##  ##      ##      ## ### ##
 *              ##   ##  ##   ##  ####    ####    ##  #  ##
 *             ##   ##  ##   ##  ##      ##      ##     ##
 *            ##   ##  ##   ##  ##      ##      ##     ##
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 *
 *
 *             OOFEM : Object Oriented Finite Element Code
 *
 *               Copyright (C) 1993 - 2013   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 SRC_SM_XFEM_NUCLEATIONCRITERIA_NCPRINCIPALSTRESS_H_
#define SRC_SM_XFEM_NUCLEATIONCRITERIA_NCPRINCIPALSTRESS_H_

#define _IFT_NCPrincipalStress_Name "ncprincipalstress"
#define _IFT_NCPrincipalStress_StressThreshold "stressthreshold"
#define _IFT_NCPrincipalStress_InitialCrackLength "initialcracklength"
#define _IFT_NCPrincipalStress_MatForceRadius "matforceradius"
#define _IFT_NCPrincipalStress_IncrementLength "incrementlength"
#define _IFT_NCPrincipalStress_CrackPropThreshold "crackpropthreshold"

#include "xfem/nucleationcriterion.h"

#include <memory>

namespace oofem {

class NCPrincipalStress : public NucleationCriterion {
public:
  NCPrincipalStress(Domain *ipDomain);
  virtual ~NCPrincipalStress();

  virtual std::vector<std::unique_ptr<EnrichmentItem>> nucleateEnrichmentItems();

    virtual IRResultType initializeFrom(InputRecord *ir);

    virtual void appendInputRecords(DynamicDataReader &oDR);

    virtual const char *giveClassName() const {return "NCPrincipalStress";}
    virtual const char *giveInputRecordName() const {return _IFT_NCPrincipalStress_Name;};

protected:
    double mStressThreshold;
    double mInitialCrackLength;
    double mMatForceRadius;
    double mIncrementLength;
    double mCrackPropThreshold;

    bool mCutOneEl;

    int mCrossSectionInd;
};

} /* namespace oofem */

#endif /* SRC_SM_XFEM_NUCLEATIONCRITERIA_NCPRINCIPALSTRESS_H_ */