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rAKA/src/model/model_couplers/solid_phase_coupler.cc
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solid_phase_coupler.cc
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/**
* @file solid_phase_coupler.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Fri Sep 28 2018
* @date last modification: Fri Sep 28 2018
*
* @brief class for coupling of solid mechancis and phasefield model
*
* @section LICENSE
*
* Copyright (©) 2010-2018 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 "solid_phase_coupler.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
template<SolidMechanicsModel & smm, PhaseFieldModel & pfm>
SolidPhaseCoupler<smm, pfm>::SolidPhaseCoupler() {
this->spatial_dimension = smm.getMesh().getSpatialDimension();
}
/* -------------------------------------------------------------------------- */
template<SolidMechanicsModel & smm, PhaseFieldModel & pfm>
SolidPhaseCoupler<smm, pfm>::~SolidPhaseCoupler() {
}
/* -------------------------------------------------------------------------- */
template<SolidMechanicsModel & smm, PhaseFieldModel & pfm>
void SolidPhaseCoupler<smm, pfm>::computeDamageOnQuadPoints(const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
auto & fem = pfm.getFEEngine();
auto & mesh = pfm.getMesh();
for (auto & type: mesh.elementTypes(this->spatial_dimension, ghost_type)) {
auto & damage_on_qpoints_vect = smm.getMaterial(0).getArray<Real>("damage", type);
fem.interpolateOnIntegrationPoints(pfm.getDamage(), damage_on_qpoints_vect,
1, type, ghost_type);
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<SolidMechanicsModel & smm,PhaseFieldModel & pfm>
void SolidPhaseCoupler<smm, pfm>::computeStrainOnQuadPoints(const GhostType & ghost_type) {
AKANTU_DEBUG_IN();
auto & fem = smm.getFEEngine();
auto & mesh = smm.getMesh();
auto & strain_on_qpoints = pfm.getStrain();
auto & gradu_on_qpoints = smm.getMaterial(0).getGradU();
for (auto & type: mesh.elementTypes(spatial_dimension, ghost_type)) {
auto & strain_on_qpoints_vect = strain_on_qpoints(type, ghost_type);
auto & gradu_on_qpoints_vect = gradu_on_qpoints(type, ghost_type);
for (auto && values:
zip(make_view(strain_on_qpoints_vect, this->spatial_dimension, this->spatial_dimension),
make_view(gradu_on_qpoints_vect, this->spatial_dimension, this->spatial_dimension))) {
auto & strain = std::get<0>(values);
auto & grad_u = std::get<1>(values);
this->gradUToEpsilon(grad_u, strain);
}
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<SolidMechanicsModel & smm, PhaseFieldModel & pfm>
void SolidPhaseCoupler<smm, pfm>::solve() {
smm.solveStep();
this->computeStrainOnQuadPoints();
pfm.solveStep();
this->computeDamageOnQuadPoints();
smm.updateResidual();
// check for convergence();
}
/* -------------------------------------------------------------------------- */
template<SolidMechanicsModel & smm, PhaseFieldModel & pfm>
void SolidPhaseCoupler<smm, pfm>::gradUToEpsilon(const Matrix<Real> & grad_u,
Matrix<Real> & epsilon) {
for (UInt i=0; i < this->spatial_dimension; ++i) {
for (UInt j = 0; j < this->spatial_dimension; ++j)
epsilon(i, j) = 0.5 * (grad_u(i, j) + grad_u(j, i));
}
}
} // akantu
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