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dof_association.hh
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/**
* @file dof_association.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Tue Jan 21 12:37:46 2014
*
* @brief Mother of all object which associates DOFs for coupling purpose
*
* @section LICENSE
*
* Copyright (©) 2010-2011 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* LibMultiScale 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.
*
* LibMultiScale 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 LibMultiScale. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __LIBMULTISCALE_DOF_ASSOCIATION_INTERFACE_HH__
#define __LIBMULTISCALE_DOF_ASSOCIATION_INTERFACE_HH__
/* -------------------------------------------------------------------------- */
#include "compute_extract.hh"
#include "duo_distributed_vector.hh"
#include "lm_parsable.hh"
#include "spatial_grid_libmultiscale.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
class DofAssociation : public Parsable, public Component {
//****************************************************************
// non templated functions
//****************************************************************
public:
DofAssociation(const std::string &name);
virtual ~DofAssociation();
//! return the local number of matched points (parallel safe)
virtual UInt getNumberLocalMatchedPoints();
//! function used to synchronize vectors (by summing them)
void synchronizeVectorBySum(const std::string &name_vec,
ContainerArray<Real> &vec);
template <typename ContA, typename ContB>
void init(ContA &contA, ContB &contB);
protected:
//! function used to redistribute a vector from B to A
void distributeVectorB2A(const std::string &name_vec,
ContainerArray<Real> &vec);
//! function used to redistribute a vector from A to B
void distributeVectorA2B(const std::string &name_vec,
ContainerArray<Real> &vec);
//! create duo vector
void createDuoVectorB(const std::string &name,
ContainerArray<UInt> &mappingA2B);
//! function used update the duo vector for migrations
void synchronizeMigration(CommGroup &group1, CommGroup &group2);
void declareParams() override;
//! get duo vector
DuoDistributedVector &getDuoVector();
//! exchange points positions following coarse description
void exchangePositions(UInt Dim);
//! exchange association information for full communication scheme description
void exchangeAssociationInformation(ContainerArray<UInt> &managed,
ContainerArray<UInt> &mappingA2B);
//! missing ducomentation
void createDuoVectorA(const std::string &name, ContainerArray<UInt> &managed,
ContainerArray<UInt> &mappingA2B,
std::vector<std::vector<UInt>> &unassociated_points);
//! exchange duplicate points info from A processors to B ones
void exchangeRejectedContinuumOwners(
std::vector<std::vector<UInt>> &unassociated_points);
//! filter associations so that removed DOF are acknowledged
void filterMapping(ContainerArray<UInt> &mappingA2B);
//! am i in group A
bool in_group_A();
//! am i in group B
bool in_group_B();
private:
void compute_make_call() override{};
//! exchange geometries: for coarse desc of communication scheme
void exchangeGeometries(Cube &cube);
void exchangeNbPointsPerProc();
//****************************************************************
// templated functions
//****************************************************************
protected:
DECORATE_FUNCTION_DISPATCH(exchangeGeometries, _or<MD, CONTINUUM>)
//! exchange geometries: for coarse desc of communication scheme
template <typename Cont> void exchangeGeometries(Cont &sub);
DECORATE_FUNCTION_DISPATCH(buildPositions, subMD)
//! extract a position vector from a subset container
template <typename ContA> void buildPositions(ContA &sub);
protected:
// to parametrize the grid to speed search (decomposition in each direction)
Vector<3, UInt> grid_division;
//! the intersection geometry ID
LMID geomID;
//! parallel id of group A
CommGroup comm_group_A;
//! parallel id of group B
CommGroup comm_group_B;
//! array that specifies what processor I should communicate with
std::vector<UInt> com_with;
//! total number of points in the associated zone
UInt total_points;
//! array that specifies the number of points per proc
std::vector<UInt> nb_points_per_proc;
//! generated positions (by BuildPosition method)
ContainerArray<Real> positions;
//! local points associated
UInt local_points;
//! flag to know wether we have to check for coherency
bool check_coherency;
private:
//! duodistributed vector used to synchronize vectors/matrices
std::shared_ptr<DuoDistributedVector> duo_vector;
};
/* -------------------------------------------------------------------------- */
template <typename Cont> void DofAssociation::exchangeGeometries(Cont &sub) {
if (comm_group_A == comm_group_B)
return;
exchangeGeometries(sub.getBoundingBox());
}
/* -------------------------------------------------------------------------- */
template <typename ContA, typename ContB>
void DofAssociation::init(ContA &contA, ContB &contB) {
comm_group_A = contA.getCommGroup();
comm_group_B = contB.getCommGroup();
UInt nb_zone_A = comm_group_A.size();
UInt nb_zone_B = comm_group_B.size();
DUMP(this->getID() << ":in group A = " << in_group_A(), DBG_DETAIL);
DUMP(this->getID() << ":in group B = " << in_group_B(), DBG_DETAIL);
if (in_group_A()) {
com_with.resize(nb_zone_B);
com_with.assign(false, nb_zone_B);
this->acquireContext(contA);
}
if (in_group_B()) {
com_with.resize(nb_zone_A);
com_with.assign(false, nb_zone_A);
this->acquireContext(contB);
}
}
/* -------------------------------------------------------------------------- */
__END_LIBMULTISCALE__
#endif /* __LIBMULTISCALE_DOF_ASSOCIATION_INTERFACE_HH__ */

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