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material_cohesive_linear_friction.hh
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Sat, May 25, 09:54

material_cohesive_linear_friction.hh
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/**
* Copyright (©) 2010-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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_linear.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_MATERIAL_COHESIVE_LINEAR_FRICTION_HH_
#define AKANTU_MATERIAL_COHESIVE_LINEAR_FRICTION_HH_
/* -------------------------------------------------------------------------- */
namespace akantu {
/**
* Cohesive material linear with friction force
*
* parameters in the material files :
* - mu : friction coefficient
* - penalty_for_friction : Penalty parameter for the friction behavior
*/
template <Int dim>
class MaterialCohesiveLinearFriction : public MaterialCohesiveLinear<dim> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
using MaterialParent = MaterialCohesiveLinear<dim>;
public:
MaterialCohesiveLinearFriction(SolidMechanicsModel & model,
const ID & id = "");
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
protected:
/// constitutive law
void computeTraction(ElementType el_type,
GhostType ghost_type = _not_ghost) override;
/// compute tangent stiffness matrix
void computeTangentTraction(ElementType el_type, Array<Real> & tangent_matrix,
GhostType ghost_type) override;
decltype(auto) getArguments(ElementType el_type,
GhostType ghost_type = _not_ghost) {
using namespace tuple;
return zip_append(MaterialParent::getArguments(el_type, ghost_type),
"residual_sliding"_n =
residual_sliding(el_type, ghost_type),
"friction_force"_n =
make_view<dim>(friction_force(el_type, ghost_type)),
"previous_residual_sliding"_n =
residual_sliding.previous(el_type, ghost_type));
}
template <typename Args> void computeTractionOnQuad(Args && args);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// maximum value of the friction coefficient
Real mu_max;
/// penalty parameter for the friction law
Real friction_penalty;
/// history parameter for the friction law
CohesiveInternalField<Real> & residual_sliding;
/// friction force
CohesiveInternalField<Real> & friction_force;
};
} // namespace akantu
#endif /* AKANTU_MATERIAL_COHESIVE_LINEAR_FRICTION_HH_ */

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