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pseudo_time.cc
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Wed, Aug 28, 23:59
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rAKA akantu
pseudo_time.cc
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/**
* @file pseudo_time.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Wed Feb 17 09:49:10 2016
*
* @brief Implementation of a really simple integration scheme
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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 "pseudo_time.hh"
#include "dof_manager.hh"
#include "sparse_matrix.hh"
/* -------------------------------------------------------------------------- */
namespace
akantu
{
/* -------------------------------------------------------------------------- */
PseudoTime
::
PseudoTime
(
DOFManager
&
dof_manager
,
const
ID
&
dof_id
)
:
IntegrationScheme
(
dof_manager
,
dof_id
,
0
),
k_release
(
0
)
{}
/* -------------------------------------------------------------------------- */
std
::
vector
<
std
::
string
>
PseudoTime
::
getNeededMatrixList
()
{
return
{
"K"
};
}
/* -------------------------------------------------------------------------- */
void
PseudoTime
::
predictor
(
Real
)
{}
/* -------------------------------------------------------------------------- */
void
PseudoTime
::
corrector
(
const
SolutionType
&
,
Real
)
{
Array
<
Real
>
&
us
=
this
->
dof_manager
.
getDOFs
(
this
->
dof_id
);
const
Array
<
Real
>
&
deltas
=
this
->
dof_manager
.
getSolution
(
this
->
dof_id
);
const
Array
<
bool
>
&
blocked_dofs
=
this
->
dof_manager
.
getBlockedDOFs
(
this
->
dof_id
);
UInt
nb_degree_of_freedom
=
deltas
.
size
();
auto
u_it
=
us
.
begin_reinterpret
(
nb_degree_of_freedom
);
auto
bld_it
=
blocked_dofs
.
begin_reinterpret
(
nb_degree_of_freedom
);
for
(
const
auto
&
delta
:
deltas
)
{
const
auto
&
bld
=
*
bld_it
;
auto
&
u
=
*
u_it
;
if
(
!
bld
)
u
+=
delta
;
++
u_it
;
++
bld_it
;
}
}
/* -------------------------------------------------------------------------- */
void
PseudoTime
::
assembleJacobian
(
const
SolutionType
&
,
Real
)
{
SparseMatrix
&
J
=
this
->
dof_manager
.
getMatrix
(
"J"
);
const
SparseMatrix
&
K
=
this
->
dof_manager
.
getMatrix
(
"K"
);
if
(
K
.
getRelease
()
==
k_release
)
return
;
J
.
clear
();
J
.
add
(
K
);
k_release
=
K
.
getRelease
();
}
/* -------------------------------------------------------------------------- */
void
PseudoTime
::
assembleResidual
(
bool
)
{}
/* -------------------------------------------------------------------------- */
}
// akantu
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