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structural_mechanics_model_mass.cc
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Wed, Aug 28, 04:26
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rAKA akantu
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: Mon Jul 07 2014
*
* @brief function handling mass computation
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#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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