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test_material_elasto_plastic_linear_isotropic_hardening.cc
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Created
Mon, Sep 23, 22:45
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2 KB
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text/x-c
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Wed, Sep 25, 22:45 (2 d)
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rAKA akantu
test_material_elasto_plastic_linear_isotropic_hardening.cc
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/**
* @file test_material_elasto_plastic_linear_isotropic_hardening.cc
*
* @author Jaehyun Cho <jaehyun.cho@epfl.ch>
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Thu Dec 03 2015
*
* @brief test for material type elasto plastic linear isotropic hardening using
* tension-compression test
*
* @section LICENSE
*
* Copyright (©) 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 "solid_mechanics_model.hh"
#include <iostream>
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
initialize
(
"test_material_elasto_plastic_linear_isotropic_hardening.dat"
,
argc
,
argv
);
const
UInt
spatial_dimension
=
2
;
const
Real
u_increment
=
0.1
;
const
UInt
steps
=
20
;
Mesh
mesh
(
spatial_dimension
);
mesh
.
read
(
"test_material_elasto_plastic_linear_isotropic_hardening.msh"
);
mesh
.
createGroupsFromMeshData
<
std
::
string
>
(
"physical_names"
);
SolidMechanicsModel
model
(
mesh
);
model
.
initFull
(
SolidMechanicsModelOptions
(
_static
));
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
0.0
,
_x
),
"left"
);
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
0.0
,
_y
),
"bottom"
);
for
(
UInt
i
=
0
;
i
<
steps
;
++
i
)
{
model
.
applyBC
(
BC
::
Dirichlet
::
FixedValue
(
i
*
u_increment
,
_x
),
"right"
);
model
.
solveStatic
<
_scm_newton_raphson_tangent
,
_scc_increment
>
(
1e-6
,
300
);
model
.
updateResidual
();
Real
strainxx
=
i
*
u_increment
/
10.
;
const
Array
<
UInt
>
&
edge_nodes
=
mesh
.
getElementGroup
(
"right"
).
getNodes
();
Array
<
Real
>
&
residual
=
model
.
getResidual
();
Real
reaction
=
0
;
for
(
UInt
n
=
0
;
n
<
edge_nodes
.
getSize
()
;
n
++
)
{
reaction
-=
residual
(
edge_nodes
(
n
),
0
);
}
std
::
cout
<<
strainxx
<<
","
<<
reaction
<<
std
::
endl
;
}
finalize
();
return
EXIT_SUCCESS
;
}
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