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fragment_manager.hh
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/**
* @file fragment_manager.hh
*
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Thu Jan 23 2014
* @date last modification: Tue Aug 19 2014
*
* @brief Group manager to handle fragments
*
* @section LICENSE
*
* Copyright (©) 2014 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_FRAGMENT_MANAGER_HH__
#define __AKANTU_FRAGMENT_MANAGER_HH__
#include "group_manager.hh"
#include "solid_mechanics_model_cohesive.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
class FragmentManager : public GroupManager {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
FragmentManager(SolidMechanicsModelCohesive & model,
bool dump_data = true,
const ID & id = "fragment_manager",
const MemoryID & memory_id = 0);
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
private:
/// store mass density per quadrature point
void storeMassDensityPerQuadraturePoint();
/// integrate an elemental field multiplied by density on global
/// fragments
void integrateFieldOnFragments(ElementTypeMapArray<Real> & field,
Array<Real> & output);
/// compute fragments' mass
void computeMass();
/// create dump data for a single array
template <typename T>
void createDumpDataArray(Array<T> & data,
std::string name,
bool fragment_index_output = false);
public:
/// build fragment list (cohesive elements are considered broken if
/// damage >= damage_limit)
void buildFragments(Real damage_limit = 1.);
/// compute fragments' center of mass
void computeCenterOfMass();
/// compute fragments' velocity
void computeVelocity();
/// computes principal moments of inertia with respect to the center
/// of mass of each fragment
void computeInertiaMoments();
/// compute all fragments' data
void computeAllData();
/// compute number of elements per fragment
void computeNbElementsPerFragment();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/// get number of fragments
AKANTU_GET_MACRO(NbFragment, global_nb_fragment, UInt);
/// get fragments' mass
AKANTU_GET_MACRO(Mass, mass, const Array<Real> &);
/// get fragments' center of mass
AKANTU_GET_MACRO(CenterOfMass, mass_center, const Array<Real> &);
/// get fragments' velocity
AKANTU_GET_MACRO(Velocity, velocity, const Array<Real> &);
/// get fragments' principal moments of inertia
AKANTU_GET_MACRO(MomentsOfInertia, inertia_moments, const Array<Real> &);
/// get fragments' principal directions
AKANTU_GET_MACRO(PrincipalDirections, principal_directions, const Array<Real> &);
/// get number of elements per fragment
AKANTU_GET_MACRO(NbElementsPerFragment,
nb_elements_per_fragment, const Array<UInt> &);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
/// local_fragment index
Array<UInt> fragment_index;
/// global number of fragments (parallel simulations)
UInt global_nb_fragment;
/// number of fragments
UInt nb_fragment;
/// cohesive solid mechanics model associated
SolidMechanicsModelCohesive & model;
/// fragments' center of mass
Array<Real> mass_center;
/// fragments' mass
Array<Real> mass;
/// fragments' velocity
Array<Real> velocity;
/// fragments' principal moments of inertia with respect to the
/// center of mass
Array<Real> inertia_moments;
/// fragments' principal directions
Array<Real> principal_directions;
/// quadrature points' coordinates
ElementTypeMapArray<Real> quad_coordinates;
/// mass density per quadrature point
ElementTypeMapArray<Real> mass_density;
/// fragment filter
Array<UInt> nb_elements_per_fragment;
/// dump data
bool dump_data;
};
__END_AKANTU__
#endif /* __AKANTU_FRAGMENT_MANAGER_HH__ */

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