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boundary_condition_functor.hh
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/**
* @file boundary_condition_functor.hh
*
* @author Dana Christen <dana.christen@gmail.com>
* @author David Simon Kammer <david.kammer@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri May 03 2013
* @date last modification: Fri Jul 24 2020
*
* @brief Definitions of the functors to apply boundary conditions
*
*
* @section LICENSE
*
* Copyright (©) 2014-2021 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 "fe_engine.hh"
#include "integration_point.hh"
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_BOUNDARY_CONDITION_FUNCTOR_HH_
#define AKANTU_BOUNDARY_CONDITION_FUNCTOR_HH_
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
namespace BC {
using Axis = ::akantu::SpatialDirection;
/* ---------------------------------------------------------------------- */
struct Functor {
enum Type { _dirichlet, _neumann };
virtual ~Functor() = default;
};
/* ---------------------------------------------------------------------- */
namespace Dirichlet {
class DirichletFunctor : public Functor {
public:
DirichletFunctor() = default;
explicit DirichletFunctor(Axis ax) : axis(ax) {}
virtual void operator()(Idx /*node*/, Vector<bool> & /*flags*/,
Vector<Real> & /*primal*/,
const Vector<Real> & /*coord*/) const {
AKANTU_TO_IMPLEMENT();
}
public:
static const Type type = _dirichlet;
protected:
Axis axis{_x};
};
/* ---------------------------------------------------------------------- */
class FlagOnly : public DirichletFunctor {
public:
explicit FlagOnly(Axis ax = _x) : DirichletFunctor(ax) {}
public:
inline void operator()(Idx node, Vector<bool> & flags,
Vector<Real> & primal,
const Vector<Real> & coord) const override;
};
/* ---------------------------------------------------------------------- */
class FixedValue : public DirichletFunctor {
public:
FixedValue(Real val, Axis ax = _x) : DirichletFunctor(ax), value(val) {}
public:
inline void operator()(Idx node, Vector<bool> & flags,
Vector<Real> & primal,
const Vector<Real> & coord) const override;
protected:
Real value;
};
/* ---------------------------------------------------------------------- */
class IncrementValue : public DirichletFunctor {
public:
IncrementValue(Real val, Axis ax = _x)
: DirichletFunctor(ax), value(val) {}
public:
inline void operator()(Idx node, Vector<bool> & flags,
Vector<Real> & primal,
const Vector<Real> & coord) const override;
inline void setIncrement(Real val) { this->value = val; }
protected:
Real value;
};
/* ---------------------------------------------------------------------- */
class Increment : public DirichletFunctor {
public:
explicit Increment(const Vector<Real> & val)
: DirichletFunctor(_x), value(val) {}
public:
inline void operator()(Idx node, Vector<bool> & flags,
Vector<Real> & primal,
const Vector<Real> & coord) const override;
inline void setIncrement(const Vector<Real> & val) { this->value = val; }
protected:
Vector<Real> value;
};
} // namespace Dirichlet
/* ------------------------------------------------------------------------ */
/* Neumann */
/* ------------------------------------------------------------------------ */
namespace Neumann {
class NeumannFunctor : public Functor {
protected:
NeumannFunctor() = default;
public:
virtual void operator()(const IntegrationPoint & quad_point,
Vector<Real> & dual, const Vector<Real> & coord,
const Vector<Real> & normals) const = 0;
~NeumannFunctor() override = default;
public:
static const Type type = _neumann;
};
/* ---------------------------------------------------------------------- */
class FromHigherDim : public NeumannFunctor {
public:
explicit FromHigherDim(const Matrix<Real> & mat) : bc_data(mat) {}
~FromHigherDim() override = default;
public:
inline void operator()(const IntegrationPoint & quad_point,
Vector<Real> & dual, const Vector<Real> & coord,
const Vector<Real> & normals) const override;
protected:
Matrix<Real> bc_data;
};
/* ---------------------------------------------------------------------- */
class FromSameDim : public NeumannFunctor {
public:
explicit FromSameDim(const Vector<Real> & vec) : bc_data(vec) {}
~FromSameDim() override = default;
public:
inline void operator()(const IntegrationPoint & quad_point,
Vector<Real> & dual, const Vector<Real> & coord,
const Vector<Real> & normals) const override;
protected:
Vector<Real> bc_data;
};
/* ---------------------------------------------------------------------- */
class FreeBoundary : public NeumannFunctor {
public:
inline void operator()(const IntegrationPoint & quad_point,
Vector<Real> & dual, const Vector<Real> & coord,
const Vector<Real> & normals) const override;
};
} // namespace Neumann
} // namespace BC
} // namespace akantu
#include "boundary_condition_functor_inline_impl.hh"
#endif /* AKANTU_BOUNDARY_CONDITION_FUNCTOR_HH_ */

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