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test_embedded_element_matrix.cc
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rAKA akantu
test_embedded_element_matrix.cc
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/**
* @file test_embedded_element_matrix.cc
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
*
* @date creation: Wed Mar 25 2015
* @date last modification: Wed May 13 2015
*
* @brief test of the class EmbeddedInterfaceModel
*
* @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 "embedded_interface_model.hh"
#include "sparse_solver.hh"
#include "sparse_matrix_aij.hh"
using
namespace
akantu
;
int
main
(
int
argc
,
char
*
argv
[])
{
debug
::
setDebugLevel
(
dblWarning
);
initialize
(
"embedded_element.dat"
,
argc
,
argv
);
constexpr
UInt
dim
=
2
;
constexpr
ElementType
type
=
_segment_2
;
const
Real
height
=
0.5
;
Mesh
mesh
(
dim
);
mesh
.
read
(
"triangle.msh"
);
Mesh
reinforcement_mesh
(
dim
,
"reinforcement_mesh"
);
auto
&
nodes
=
reinforcement_mesh
.
getNodes
();
nodes
.
push_back
(
Vector
<
Real
>
({
0
,
height
}));
nodes
.
push_back
(
Vector
<
Real
>
({
1
,
height
}));
reinforcement_mesh
.
addConnectivityType
(
type
);
auto
&
connectivity
=
reinforcement_mesh
.
getConnectivity
(
type
);
connectivity
.
push_back
(
Vector
<
UInt
>
({
0
,
1
}));
Array
<
std
::
string
>
names_vec
(
1
,
1
,
"reinforcement"
,
"reinforcement_names"
);
reinforcement_mesh
.
registerData
<
std
::
string
>
(
"physical_names"
).
alloc
(
1
,
1
,
type
);
reinforcement_mesh
.
getData
<
std
::
string
>
(
"physical_names"
)(
type
).
copy
(
names_vec
);
EmbeddedInterfaceModel
model
(
mesh
,
reinforcement_mesh
,
dim
);
model
.
initFull
(
_analysis_method
=
_static
);
if
(
model
.
getInterfaceMesh
().
getNbElement
(
type
)
!=
1
)
return
EXIT_FAILURE
;
if
(
model
.
getInterfaceMesh
().
getSpatialDimension
()
!=
2
)
return
EXIT_FAILURE
;
try
{
// matrix should be singular
model
.
solveStep
();
}
catch
(
debug
::
SingularMatrixException
&
e
)
{
std
::
cerr
<<
"Matrix is singular, relax, everything is fine :)"
<<
std
::
endl
;
}
catch
(
debug
::
Exception
&
e
)
{
std
::
cerr
<<
"Unexpceted error: "
<<
e
.
what
()
<<
std
::
endl
;
throw
e
;
}
SparseMatrixAIJ
&
K
=
dynamic_cast
<
SparseMatrixAIJ
&>
(
model
.
getDOFManager
().
getMatrix
(
"K"
));
K
.
saveMatrix
(
"stiffness.mtx"
);
Math
::
setTolerance
(
1e-8
);
// Testing the assembled stiffness matrix
if
(
!
Math
::
are_float_equal
(
K
(
0
,
0
),
1.
-
height
)
||
!
Math
::
are_float_equal
(
K
(
0
,
2
),
height
-
1.
)
||
!
Math
::
are_float_equal
(
K
(
2
,
0
),
height
-
1.
)
||
!
Math
::
are_float_equal
(
K
(
2
,
2
),
1.
-
height
))
return
EXIT_FAILURE
;
return
EXIT_SUCCESS
;
}
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