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cohesive_contact_solvercallback.cc
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Sun, Nov 10, 11:48

cohesive_contact_solvercallback.cc
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/**
* @file cohesive_contact_solvercallback.cc
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Thu Jan 17 2019
* @date last modification: Thu May 22 2019
*
* @brief class for coupling of solid mechanics cohesive and contact mechanics
* model via solvercallback
*
* @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 "cohesive_contact_solvercallback.hh"
/* -------------------------------------------------------------------------- */
namespace akantu {
CohesiveContactSolverCallback::CohesiveContactSolverCallback(
SolidMechanicsModelCohesive & solid, ContactMechanicsModel & contact,
AnalysisMethod & method)
: SolverCallback(), solid(solid), contact(contact), method(method) {}
void CohesiveContactSolverCallback::assembleMatrix(const ID & matrix_id) {
if (matrix_id == "K") {
solid.assembleStiffnessMatrix();
switch (method) {
case _static:
case _implicit_dynamic: {
contact.assembleStiffnessMatrix();
break;
}
default:
break;
}
} else if (matrix_id == "M") {
solid.assembleMass();
}
}
/* -------------------------------------------------------------------------- */
void CohesiveContactSolverCallback::assembleLumpedMatrix(const ID & matrix_id) {
if (matrix_id == "M") {
solid.assembleMassLumped();
}
}
/* -------------------------------------------------------------------------- */
void CohesiveContactSolverCallback::assembleResidual() {
// computes the internal forces
switch (method) {
case _explicit_lumped_mass: {
auto & current_positions = contact.getContactDetector().getPositions();
current_positions.copy(solid.getCurrentPosition());
contact.search();
break;
}
default:
break;
}
solid.assembleInternalForces();
contact.assembleInternalForces();
auto & internal_force = solid.getInternalForce();
auto & external_force = solid.getExternalForce();
auto & contact_force = contact.getInternalForce();
solid.getDOFManager().assembleToResidual("displacement", external_force, 1);
solid.getDOFManager().assembleToResidual("displacement", internal_force, 1);
solid.getDOFManager().assembleToResidual("displacement", contact_force, 1);
}
/* -------------------------------------------------------------------------- */
void CohesiveContactSolverCallback::predictor() {
auto & solid_model_solver = aka::as_type<ModelSolver>(solid);
solid_model_solver.predictor();
}
/* -------------------------------------------------------------------------- */
void CohesiveContactSolverCallback::beforeSolveStep() {
auto & solid_model_solver = aka::as_type<ModelSolver>(solid);
solid_model_solver.beforeSolveStep();
}
/* -------------------------------------------------------------------------- */
void CohesiveContactSolverCallback::afterSolveStep(bool converged) {
auto & solid_model_solver = aka::as_type<ModelSolver>(solid);
solid_model_solver.afterSolveStep(converged);
}
/* -------------------------------------------------------------------------- */
void CohesiveContactSolverCallback::corrector() {
auto & solid_model_solver = aka::as_type<ModelSolver>(solid);
solid_model_solver.corrector();
switch (method) {
case _static:
case _implicit_dynamic: {
auto & current_positions = contact.getContactDetector().getPositions();
current_positions.copy(solid.getCurrentPosition());
contact.search();
break;
}
default:
break;
}
}
/* -------------------------------------------------------------------------- */
MatrixType
CohesiveContactSolverCallback::getMatrixType(const ID & /*matrix_id*/) {
return _symmetric;
}
} // namespace akantu

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