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solid_mechanics_model_cohesive_inline_impl.hh
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/**
* @file solid_mechanics_model_cohesive_inline_impl.hh
*
* @author Mauro Corrado <mauro.corrado@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Jan 18 2013
* @date last modification: Tue Feb 20 2018
*
* @brief Implementation of inline functions for the Cohesive element model
*
*
* Copyright (©) 2014-2018 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 "material_cohesive.hh"
/* -------------------------------------------------------------------------- */
#include <algorithm>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_SOLID_MECHANICS_MODEL_COHESIVE_INLINE_IMPL_HH_
#define AKANTU_SOLID_MECHANICS_MODEL_COHESIVE_INLINE_IMPL_HH_
namespace akantu {
/* -------------------------------------------------------------------------- */
// template <SolveConvergenceMethod cmethod, SolveConvergenceCriteria criteria>
// bool SolidMechanicsModelCohesive::solveStepCohesive(
// Real tolerance, Real & error, UInt max_iteration, bool load_reduction,
// Real tol_increase_factor, bool do_not_factorize) {
// // EventManager::sendEvent(
// // SolidMechanicsModelEvent::BeforeSolveStepEvent(method));
// // this->implicitPred();
// // bool insertion_new_element = true;
// // bool converged = false;
// // Array<Real> * displacement_tmp = NULL;
// // Array<Real> * velocity_tmp = NULL;
// // Array<Real> * acceleration_tmp = NULL;
// // StaticCommunicator & comm = StaticCommunicator::getStaticCommunicator();
// // Int prank = comm.whoAmI();
// // /// Loop for the insertion of new cohesive elements
// // while (insertion_new_element) {
// // if (is_extrinsic) {
// // /**
// // * If in extrinsic the solution of the previous incremental step
// // * is saved in temporary arrays created for displacements,
// // * velocities and accelerations. Such arrays are used to find
// // * the solution with the Newton-Raphson scheme (this is done by
// // * pointing the pointer "displacement" to displacement_tmp). In
// // * this way, inside the array "displacement" is kept the
// // * solution of the previous incremental step, and in
// // * "displacement_tmp" is saved the current solution.
// // */
// // if (!displacement_tmp)
// // displacement_tmp = new Array<Real>(0, spatial_dimension);
// // displacement_tmp->copy(*(this->displacement));
// // if (!velocity_tmp)
// // velocity_tmp = new Array<Real>(0, spatial_dimension);
// // velocity_tmp->copy(*(this->velocity));
// // if (!acceleration_tmp) {
// // acceleration_tmp = new Array<Real>(0, spatial_dimension);
// // }
// // acceleration_tmp->copy(*(this->acceleration));
// // std::swap(displacement, displacement_tmp);
// // std::swap(velocity, velocity_tmp);
// // std::swap(acceleration, acceleration_tmp);
// // }
// // this->updateResidual();
// // AKANTU_DEBUG_ASSERT(stiffness_matrix != NULL,
// // "You should first initialize the implicit solver and
// "
// // "assemble the stiffness matrix");
// // bool need_factorize = !do_not_factorize;
// // if (method == _implicit_dynamic) {
// // AKANTU_DEBUG_ASSERT(mass_matrix != NULL, "You should first initialize
// "
// // "the implicit solver and "
// // "assemble the mass matrix");
// // }
// // switch (cmethod) {
// // case _scm_newton_raphson_tangent:
// // case _scm_newton_raphson_tangent_not_computed:
// // break;
// // case _scm_newton_raphson_tangent_modified:
// // this->assembleStiffnessMatrix();
// // break;
// // default:
// // AKANTU_ERROR("The resolution method "
// // << cmethod << " has not been implemented!");
// // }
// // UInt iter = 0;
// // converged = false;
// // error = 0.;
// // if (criteria == SolveConvergenceCriteria::_residual) {
// // converged = this->testConvergence<criteria>(tolerance, error);
// // if (converged)
// // return converged;
// // }
// // /// Loop to solve the nonlinear system
// // do {
// // if (cmethod == _scm_newton_raphson_tangent)
// // this->assembleStiffnessMatrix();
// // solve<NewmarkBeta::_displacement_corrector>(*increment, 1.,
// // need_factorize);
// // this->implicitCorr();
// // this->updateResidual();
// // converged = this->testConvergence<criteria>(tolerance, error);
// // iter++;
// // AKANTU_DEBUG_INFO("[" << criteria << "] Convergence iteration "
// // << std::setw(std::log10(max_iteration)) << iter
// // << ": error " << error
// // << (converged ? " < " : " > ") << tolerance);
// // switch (cmethod) {
// // case _scm_newton_raphson_tangent:
// // need_factorize = true;
// // break;
// // case _scm_newton_raphson_tangent_not_computed:
// // case _scm_newton_raphson_tangent_modified:
// // need_factorize = false;
// // break;
// // default:
// // AKANTU_ERROR("The resolution method "
// // << cmethod << " has not been implemented!");
// // }
// // } while (!converged && iter < max_iteration);
// // /**
// // * This is to save the obtained result and proceed with the
// // * simulation even if the error is higher than the pre-fixed
// // * tolerance. This is done only after loading reduction
// // * (load_reduction = true).
// // */
// // // if (load_reduction && (error < tolerance * tol_increase_factor))
// // // converged = true;
// // if ((error < tolerance * tol_increase_factor))
// // converged = true;
// // if (converged) {
// // } else if (iter == max_iteration) {
// // if (prank == 0) {
// // AKANTU_DEBUG_WARNING(
// // "[" << criteria << "] Convergence not reached after "
// // << std::setw(std::log10(max_iteration)) << iter << "
// iteration"
// // << (iter == 1 ? "" : "s") << "!" << std::endl);
// // }
// // }
// // if (is_extrinsic) {
// // /**
// // * If is extrinsic the pointer "displacement" is moved back to
// // * the array displacement. In this way, the array displacement is
// // * correctly resized during the checkCohesiveStress function (in
// // * case new cohesive elements are added). This is possible
// // * because the procedure called by checkCohesiveStress does not
// // * use the displacement field (the correct one is now stored in
// // * displacement_tmp), but directly the stress field that is
// // * already computed.
// // */
// // Array<Real> * tmp_swap;
// // tmp_swap = displacement_tmp;
// // displacement_tmp = this->displacement;
// // this->displacement = tmp_swap;
// // tmp_swap = velocity_tmp;
// // velocity_tmp = this->velocity;
// // this->velocity = tmp_swap;
// // tmp_swap = acceleration_tmp;
// // acceleration_tmp = this->acceleration;
// // this->acceleration = tmp_swap;
// // /// If convergence is reached, call checkCohesiveStress in order
// // /// to check if cohesive elements have to be introduced
// // if (converged) {
// // UInt new_cohesive_elements = checkCohesiveStress();
// // if (new_cohesive_elements == 0) {
// // insertion_new_element = false;
// // } else {
// // insertion_new_element = true;
// // }
// // }
// // }
// // if (!converged && load_reduction)
// // insertion_new_element = false;
// // /**
// // * If convergence is not reached, there is the possibility to
// // * return back to the main file and reduce the load. Before doing
// // * this, a pre-fixed value as to be defined for the parameter
// // * delta_max of the cohesive elements introduced in the current
// // * incremental step. This is done by calling the function
// // * checkDeltaMax.
// // */
// // if (!converged) {
// // insertion_new_element = false;
// // for (UInt m = 0; m < materials.size(); ++m) {
// // try {
// // MaterialCohesive & mat =
// // aka::as_type<MaterialCohesive>(*materials[m]);
// // mat.checkDeltaMax(_not_ghost);
// // } catch (std::bad_cast &) {
// // }
// // }
// // }
// // } // end loop for the insertion of new cohesive elements
// // /**
// // * When the solution to the current incremental step is computed (no
// // * more cohesive elements have to be introduced), call the function
// // * to compute the energies.
// // */
// // if ((is_extrinsic && converged)) {
// // for (UInt m = 0; m < materials.size(); ++m) {
// // try {
// // MaterialCohesive & mat =
// // aka::as_type<MaterialCohesive>(*materials[m]);
// // mat.computeEnergies();
// // } catch (std::bad_cast & bce) {
// // }
// // }
// // EventManager::sendEvent(
// // SolidMechanicsModelEvent::AfterSolveStepEvent(method));
// // /**
// // * The function resetVariables is necessary to correctly set a
// // * variable that permit to decrease locally the penalty parameter
// // * for compression.
// // */
// // for (UInt m = 0; m < materials.size(); ++m) {
// // try {
// // MaterialCohesive & mat =
// // aka::as_type<MaterialCohesive>(*materials[m]);
// // mat.resetVariables(_not_ghost);
// // } catch (std::bad_cast &) {
// // }
// // }
// // /// The correct solution is saved
// // this->displacement->copy(*displacement_tmp);
// // this->velocity->copy(*velocity_tmp);
// // this->acceleration->copy(*acceleration_tmp);
// // }
// // delete displacement_tmp;
// // delete velocity_tmp;
// // delete acceleration_tmp;
// // return insertion_new_element;
//}
} // namespace akantu
#endif /* AKANTU_SOLID_MECHANICS_MODEL_COHESIVE_INLINE_IMPL_HH_ */

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