Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F78532710
test_eigenstrain_homogenization.cc
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Wed, Aug 21, 11:18
Size
3 KB
Mime Type
text/x-c
Expires
Fri, Aug 23, 11:18 (2 d)
Engine
blob
Format
Raw Data
Handle
20040472
Attached To
rAKA akantu
test_eigenstrain_homogenization.cc
View Options
/**
* @file test_eigenstrain_homogenization.cc
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @date Sun Jan 31 12:27:02 2016
*
* @brief test the eigenstrain homogenization
*
* @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 "solid_mechanics_model_RVE.hh"
using
namespace
akantu
;
/* -------------------------------------------------------------------------- */
/* Main */
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
akantu
::
initialize
(
"mesoscale_materials.dat"
,
argc
,
argv
);
const
UInt
spatial_dimension
=
2
;
Mesh
mesh
(
spatial_dimension
);
mesh
.
read
(
"one_inclusion.msh"
);
SolidMechanicsModelRVE
model
(
mesh
,
false
);
MeshDataMaterialSelector
<
std
::
string
>
*
mat_selector
;
mat_selector
=
new
MeshDataMaterialSelector
<
std
::
string
>
(
"physical_names"
,
model
);
model
.
setMaterialSelector
(
*
mat_selector
);
/// model initialization
model
.
initFull
();
/// apply boundary conditions
Matrix
<
Real
>
grad_u_macro
(
spatial_dimension
,
spatial_dimension
,
0.
);
model
.
applyBoundaryConditions
(
grad_u_macro
);
model
.
setBaseName
(
"one-inclusion"
);
model
.
addDumpFieldVector
(
"displacement"
);
model
.
addDumpField
(
"stress"
);
model
.
addDumpField
(
"grad_u"
);
model
.
addDumpField
(
"blocked_dofs"
);
model
.
addDumpField
(
"material_index"
);
model
.
addDumpField
(
"eigen_grad_u"
);
model
.
dump
();
/// apply eigenstrain
Matrix
<
Real
>
prestrain
(
spatial_dimension
,
spatial_dimension
,
0.
);
for
(
UInt
i
=
0
;
i
<
spatial_dimension
;
++
i
)
prestrain
(
i
,
i
)
=
0.02
;
model
.
advanceASR
(
prestrain
);
model
.
dump
();
Matrix
<
Real
>
macro_strain
(
spatial_dimension
,
spatial_dimension
,
0.
);
model
.
homogenizeEigenGradU
(
macro_strain
);
std
::
cout
<<
"the average eigen_gradu is "
<<
macro_strain
<<
std
::
endl
;
Matrix
<
Real
>
exact_eigenstrain
(
spatial_dimension
,
spatial_dimension
,
0.
);
for
(
UInt
i
=
0
;
i
<
spatial_dimension
;
++
i
)
exact_eigenstrain
(
i
,
i
)
=
0.00125
;
macro_strain
-=
exact_eigenstrain
;
if
(
macro_strain
.
norm
<
L_2
>
()
>
1.e-10
)
{
std
::
cout
<<
"the test failed!!"
<<
std
::
endl
;
finalize
();
return
EXIT_FAILURE
;
}
finalize
();
return
EXIT_SUCCESS
;
}
Event Timeline
Log In to Comment