gmpMaterialModifMohrCoulomb.h

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/************************************************************************
**
** Copyright (C) 2014 by Nilthson Noreña
** All rights reserved.
**
** This file is part of the "GeMA" software. It's use should respect
** the terms in the license agreement that can be found together
** with this source code.
** It is provided AS IS, with NO WARRANTY OF ANY KIND,
** INCLUDING THE WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE.
**
************************************************************************/

#ifndef _GEMA_PLUGIN_MECHANICALMATERIAL_MODIFIEDMOHRCOULOMB_H_
#define _GEMA_PLUGIN_MECHANICALMATERIAL_MODIFIEDMOHRCOULOMB_H_

#include "gmpMaterialElastoplastic.h"
#include "gmpMechanicPoint.h"
#include "gmpFemPhysics.h"
#include "gmMathUtils.h"

class GMP_MECHANICAL_PHYSICS_API_EXPORT GmpMaterialModifiedMohrCoulomb : public GmpMaterialElastoplastic
{
protected:
  enum ElementPropertyIds
  { 
    COH_ID = GmpMaterialElastoplastic::NUM_PROPERTY_IDS, 
    PHI_ID,         
    PSI_ID,         

    // --- NO ADDING BELOW THIS LINE
    NUM_PROPERTY_IDS,  
  };

public:

  GmpMaterialModifiedMohrCoulomb(int typeIndex, QString typeName, const GmLogCategory& logger)
    : GmpMaterialElastoplastic(typeIndex, typeName, logger) {}

  virtual ~GmpMaterialModifiedMohrCoulomb() {}

  static GmpFemPhysicsCommonMaterial* instance(GmSimulationData* simulation, int typeIndex, QString typeName, const GmLogCategory& logger)
  {
    Q_UNUSED(simulation);
    return new GmpMaterialModifiedMohrCoulomb(typeIndex, typeName, logger);
  }

  // Returns a map with material associated properties. 
  virtual const QVariantMap* materialMetaDataMap();

  virtual bool isIsotropic() const { return true; }

  virtual double cohesion(const GmElement* e, const GmVector* coord, int ip) const
  {
    return propertyAc(COH_ID)->scalarValueAt(e, coord, ip);
  }
  virtual double frictionAngle(const GmElement* e, const GmVector* coord, int ip) const
  {
    return propertyAc(PHI_ID)->scalarValueAt(e, coord, ip);
  }
  virtual double dilationAngle(const GmElement* e, const GmVector* coord, int ip) const
  {
    return propertyAc(PSI_ID)->scalarValueAt(e, coord, ip);
  }

  //yield criterion
  virtual double yieldCriterion(const GmElement*, const GmVector&, const GmVector*, int, unsigned) const;
  virtual bool yieldStressGradient(const GmElement*, GmVector&, const GmVector&, const GmVector*, int, unsigned, bool) const;
  virtual bool yieldHessian(const GmElement*, GmMatrix&, const GmVector&, const GmVector*, int, unsigned, bool) const;

  //plastic potential
  virtual double plasticFPotential(const GmElement*, const GmVector&, const GmVector*, int, unsigned) const;
  virtual bool flowVector(const GmElement*, GmVector&, const GmVector&, const GmVector*, int, unsigned, bool) const;
  virtual bool flowVectorStressGradient(const GmElement*, GmMatrix&, const GmVector&, const GmVector*, int, unsigned, bool) const;

  virtual double yieldStrengthRatio(const GmElement* e, const GmVector& S, const GmVector* coord, int ip, unsigned sc) const;

};

#endif