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test_solid_mechanics_model_implicit_2d.cc
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Sat, Aug 31, 14:57
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rAKA akantu
test_solid_mechanics_model_implicit_2d.cc
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/**
* @file test_solid_mechanics_model_implicit_2d.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Mar 03 2011
* @date last modification: Thu Jun 05 2014
*
* @brief test of traction in implicit
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 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 <limits>
#include <fstream>
/* -------------------------------------------------------------------------- */
#include "solid_mechanics_model.hh"
#define bar_length 1
#define bar_height 1
using
namespace
akantu
;
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
debug
::
setDebugLevel
(
dblWarning
);
initialize
(
"material.dat"
,
argc
,
argv
);
UInt
spatial_dimension
=
2
;
Mesh
mesh
(
spatial_dimension
);
StaticCommunicator
&
comm
=
StaticCommunicator
::
getStaticCommunicator
();
Int
psize
=
comm
.
getNbProc
();
Int
prank
=
comm
.
whoAmI
();
MeshPartition
*
partition
=
NULL
;
if
(
prank
==
0
)
{
mesh
.
read
(
"square_implicit2.msh"
);
partition
=
new
MeshPartitionScotch
(
mesh
,
spatial_dimension
);
// partition->reorder();
partition
->
partitionate
(
psize
);
}
SolidMechanicsModel
model
(
mesh
);
/// model initialization
model
.
initParallel
(
partition
);
delete
partition
;
model
.
initFull
(
SolidMechanicsModelOptions
(
_static
));
if
(
prank
==
0
)
std
::
cout
<<
model
.
getMaterial
(
"steel"
)
<<
std
::
endl
;
/// boundary conditions
const
Array
<
Real
>
&
position
=
mesh
.
getNodes
();
Array
<
bool
>
&
boundary
=
model
.
getBlockedDOFs
();
Array
<
Real
>
&
displacment
=
model
.
getDisplacement
();
UInt
nb_nodes
=
model
.
getFEEngine
().
getMesh
().
getNbNodes
();
for
(
UInt
n
=
0
;
n
<
nb_nodes
;
++
n
)
{
if
(
position
(
n
,
0
)
<
Math
::
getTolerance
())
boundary
(
n
,
0
)
=
true
;
if
(
position
(
n
,
1
)
<
Math
::
getTolerance
())
boundary
(
n
,
1
)
=
true
;
if
(
std
::
abs
(
position
(
n
,
0
)
-
bar_length
)
<
Math
::
getTolerance
())
{
boundary
(
n
,
0
)
=
true
;
displacment
(
n
,
0
)
=
0.1
;
}
}
model
.
setBaseName
(
"implicit_2d"
);
model
.
addDumpField
(
"displacement"
);
model
.
addDumpField
(
"velocity"
);
model
.
addDumpField
(
"acceleration"
);
model
.
addDumpField
(
"force"
);
model
.
addDumpField
(
"residual"
);
model
.
addDumpField
(
"stress"
);
model
.
addDumpField
(
"strain"
);
model
.
updateResidual
();
model
.
dump
();
model
.
solveStep
<
_scm_newton_raphson_tangent_modified
,
_scc_increment
>
(
1e-3
,
100
);
model
.
dump
();
finalize
();
return
EXIT_SUCCESS
;
}
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