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Tue, May 21, 22:33

material_cohesive_linear.hh
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/**
* @file material_cohesive_linear.hh
* @author Marco Vocialta <marco.vocialta@epfl.ch>
* @date Mon Feb 20 12:00:34 2012
*
* @brief Linear irreversible cohesive law of mixed mode loading
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "material_cohesive.hh"
#include "aka_common.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_COHESIVE_LINEAR_HH__
#define __AKANTU_MATERIAL_COHESIVE_LINEAR_HH__
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/**
* Cohesive material linear damage
*
* parameters in the material files :
* - sigma_c : critical stress sigma_c (default: 0)
* - beta : weighting parameter for sliding and normal opening (default: 0)
* - G_cI : fracture energy for mode I (default: 0)
* - G_cII : fracture energy for mode II (default: 0)
*/
template<UInt spatial_dimension>
class MaterialCohesiveLinear : public MaterialCohesive {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialCohesiveLinear(SolidMechanicsModel & model, const ID & id = "");
virtual ~MaterialCohesiveLinear();
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// initialize the material computed parameter
virtual void initMaterial();
protected:
/// constitutive law
void computeTraction(const Vector<Real> & normal,
ElementType el_type,
GhostType ghost_type = _not_ghost);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// beta parameter
Real beta;
/// mode I fracture energy
Real G_cI;
/// mode II fracture energy
Real G_cII;
/// kappa parameter
Real kappa;
/// critical displacement
Real delta_c;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
//#include "material_cohesive_linear_inline_impl.cc"
__END_AKANTU__
#endif /* __AKANTU_MATERIAL_COHESIVE_LINEAR_HH__ */

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