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rAKA/src/model/structural_mechanics/structural_mechanics_model_mass.cc
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structural_mechanics_model_mass.cc
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/**
* @file structural_mechanics_model_mass.cc
*
* @author Sébastien Hartmann <sebastien.hartmann@epfl.ch>
*
* @date creation: Mon Jul 07 2014
* @date last modification: Thu Oct 15 2015
*
* @brief function handling mass computation
*
* @section LICENSE
*
* Copyright (©) 2014, 2015 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 "structural_mechanics_model.hh"
#include "material.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
void StructuralMechanicsModel::assembleMass(){
AKANTU_DEBUG_IN();
if(!mass_matrix){
std::stringstream sstr; sstr << id << ":mass_matrix";
mass_matrix = new SparseMatrix(*jacobian_matrix, sstr.str(), memory_id);
}
assembleMass(_not_ghost);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void StructuralMechanicsModel::assembleMass(GhostType ghost_type) {
AKANTU_DEBUG_IN();
Array<Real> rho_1(0,1);
mass_matrix->clear();
Mesh::type_iterator it = mesh.firstType(spatial_dimension, ghost_type, _ek_structural);
Mesh::type_iterator end = mesh.lastType(spatial_dimension, ghost_type, _ek_structural);
for(; it != end; ++it){
ElementType type = *it;
#define ASSEMBLE_MASS(type) \
assembleMass<type>();
AKANTU_BOOST_STRUCTURAL_ELEMENT_SWITCH(ASSEMBLE_MASS);
#undef ASSEMBLE_MASS
}
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
void StructuralMechanicsModel::computeRho(Array<Real> & rho,
ElementType type,
GhostType ghost_type) {
AKANTU_DEBUG_IN();
UInt nb_element = getFEEngine().getMesh().getNbElement(type);
UInt nb_quadrature_points = getFEEngine().getNbIntegrationPoints(type);
Array<UInt> & el_mat = element_material(type, ghost_type);
for (UInt e = 0; e < nb_element; ++e){
UInt mat = el_mat(e);
Real rho_el = materials[mat].rho;
for (UInt q = e*nb_quadrature_points; q < e*nb_quadrature_points + nb_quadrature_points; ++q){
rho(q) = rho_el;
}
}
AKANTU_DEBUG_OUT();
}
__END_AKANTU__
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