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ref_node_continuum.hh
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/**
* @file ref_node_continuum.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Wed Jan 22 17:41:05 2014
*
* @brief This is the mother of all mesh node reference
*
* @section LICENSE
*
* Copyright INRIA and CEA
*
* The LibMultiScale is a C++ parallel framework for the multiscale
* coupling methods dedicated to material simulations. This framework
* provides an API which makes it possible to program coupled simulations
* and integration of already existing codes.
*
* This Project was initiated in a collaboration between INRIA Futurs Bordeaux
* within ScAlApplix team and CEA/DPTA Ile de France.
* The project is now continued at the Ecole Polytechnique Fédérale de Lausanne
* within the LSMS/ENAC laboratory.
*
* This software is governed by the CeCILL-C license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL-C
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL-C license and that you accept its terms.
*
*/
#ifndef __LIBMULTISCALE_REF_NODE_CONTINUUM_HH__
#define __LIBMULTISCALE_REF_NODE_CONTINUUM_HH__
/* -------------------------------------------------------------------------- */
#include "accessor_dof.hh"
#include "cube.hh"
#include "lm_common.hh"
#include "ref_point.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* -------------------------------------------------------------------------- */
template <UInt Dim, typename DaughterClass> class RefNode;
/* -------------------------------------------------------------------------- */
template <typename Ref, FieldType ftype>
struct AccessorNodalDof : public AccessorDof<Ref, ftype> {
using AccessorDof<Ref, ftype>::AccessorDof;
using AccessorDof<Ref, ftype>::operator=;
};
/* -------------------------------------------------------------------------- */
/**
* Class RefNode
* Generic class to represent nodal references
*/
template <UInt Dim, typename DaughterClass>
class RefNode : public RefPoint<Dim> {
public:
#define declare_accessor(_name) \
decltype(auto) _name() { return static_cast<DaughterClass *>(this)->_name(); }
declare_accessor(position0);
declare_accessor(position);
declare_accessor(velocity);
declare_accessor(force);
declare_accessor(acceleration);
declare_accessor(displacement);
declare_accessor(mass);
declare_accessor(id);
#undef declare_accessor
template <FieldType ftype> AccessorNodalDof<RefNode, ftype> field() {
AccessorNodalDof<RefNode, ftype> acc(*this);
return acc;
}
public:
static constexpr UInt dim = Dim;
};
/* -------------------------------------------------------------------------- */
template <typename Ref> class AccessorNodalDof<Ref, _position> {
public:
static constexpr FieldType ftype = _position;
using TensorType = Vector<Ref::Dim>;
AccessorNodalDof(Ref &nd) : nd(nd) {
position = nd.position0() + nd.displacement();
};
UInt size() { return Ref::Dim; }
template <typename T>
inline AccessorNodalDof<Ref, ftype> &operator=(const T &val) {
position = val;
nd.displacement() = position - nd.position0();
return *this;
}
class AccessorPositionDof {
public:
AccessorPositionDof(Ref &nd, UInt index) : nd(nd), index(index) {}
operator Real() { return (nd.position0() + nd.displacement())[index]; }
template <typename T> inline AccessorPositionDof &operator=(const T &val) {
nd.displacement()[index] = val - nd.position0()[index];
return *this;
}
template <typename T> inline AccessorPositionDof &operator+=(const T &val) {
nd.displacement()[index] += val;
return *this;
}
template <typename T> inline AccessorPositionDof &operator-=(const T &val) {
nd.displacement()[index] -= val;
return *this;
}
private:
Ref &nd;
UInt index;
};
inline AccessorPositionDof operator[](UInt index) {
return AccessorPositionDof(nd, index);
}
operator Vector<Ref::Dim>() { return Vector<Ref::Dim>(position); }
operator Eigen::VectorXd() { return Eigen::VectorXd(position); }
void printself(std::ostream &os) { os << position; }
private:
Ref &nd;
TensorType position;
};
/* -------------------------------------------------------------------------- */
template <typename Ref, FieldType ftype>
std::ostream &operator<<(std::ostream &os, AccessorNodalDof<Ref, ftype> &&acc) {
acc.printself(os);
return os;
}
/* -------------------------------------------------------------------------- */
template <typename Ref, FieldType ftype>
std::ostream &operator<<(std::ostream &os, AccessorNodalDof<Ref, ftype> &acc) {
acc.printself(os);
return os;
}
/* -------------------------------------------------------------------------- */
__END_LIBMULTISCALE__
#endif /* __LIBMULTISCALE_REF_NODE_CONTINUUM_HH__ */

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