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Mon, Dec 23, 19:08

phasefield_quadratic.hh
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/**
* @file phasefield_exponential.hh
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Fri Jun 19 2020
* @date last modification: Wed Jun 23 2021
*
* @brief Phasefield law for approximating discrete crack as an exponential
*
*
* @section LICENSE
*
* Copyright (©) 2018-2021 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 "phasefield.hh"
#include "volumetric_deviatoric_split.hh"
#include "no_energy_split.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_PHASEFIELD_QUADRATIC_HH__
#define __AKANTU_PHASEFIELD_QUADRATIC_HH__
namespace akantu {
template<Int dim> class PhaseFieldQuadratic : public PhaseField {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
PhaseFieldQuadratic(PhaseFieldModel & model, const ID & id = "");
~PhaseFieldQuadratic() override = default;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// compute the dissiapted energy
void computeDissipatedEnergy(ElementType el_type) override;
void
computeDissipatedEnergyByElement(const Element & element,
Vector<Real> & edis_on_quad_points) override;
protected:
void
computeDissipatedEnergyByElement(ElementType type, Idx index,
Vector<Real> & edis_on_quad_points) override;
void computePhiOnQuad(const Matrix<Real> & /*strain_quad*/,
Real & /*phi_quad*/);
void computePhiIsotropicOnQuad(const Matrix<Real> & /*strain_quad*/,
Real & /*phi_quad*/);
void computeDrivingForce(ElementType /*el_type*/,
GhostType /*ghost_type*/) override;
inline void computeDrivingForceOnQuad(const Real & /*phi_quad*/,
Real & /*driving_force_quad*/);
inline void computeDamageEnergyDensityOnQuad(const Real & /*phi_quad*/,
Real & /*dam_energy_quad*/,
const Real & /*g_c_quad*/);
inline void
computeDissipatedEnergyOnQuad(const Real & /*dam_quad*/,
const Vector<Real> & /*grad_d_quad */,
Real & /*energy*/, Real & /*g_c_quad*/);
public:
void updateInternalParameters() override;
void initPhaseField() override;
private:
// irreversibility tolerance
Real tol_ir;
// penalization parameter
Real gamma;
// dimension to consider in deviatoric split
Int dev_dim;
// energy split
std::shared_ptr<EnergySplit> energy_split{nullptr};
};
} // namespace akantu
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#include "phasefield_quadratic_inline_impl.hh"
#endif

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