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test_dumper.cc
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Tue, Sep 3, 23:35
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Thu, Sep 5, 23:35 (1 d, 22 h)
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rAKA akantu
test_dumper.cc
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/**
* @file test_dumper.cc
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Tue Sep 02 2014
* @date last modification: Mon Jan 22 2018
*
* @brief test dumper
*
*
* Copyright (©) 2014-2018 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 "dumper_iohelper_paraview.hh"
#include "dumper_nodal_field.hh"
#include "dumper_text.hh"
#include "dumper_variable.hh"
#include "solid_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
int
main
(
int
argc
,
char
*
argv
[])
{
initialize
(
"input_file.dat"
,
argc
,
argv
);
UInt
spatial_dimension
=
3
;
Mesh
mesh
(
spatial_dimension
);
mesh
.
read
(
"test_dumper.msh"
);
SolidMechanicsModel
model
(
mesh
);
auto
&&
mat_selector
=
std
::
make_shared
<
MeshDataMaterialSelector
<
std
::
string
>>
(
"physical_names"
,
model
);
model
.
setMaterialSelector
(
mat_selector
);
model
.
initFull
();
model
.
assembleInternalForces
();
Real
time_step
=
0.1
;
const
Array
<
Real
>
&
coord
=
mesh
.
getNodes
();
Array
<
Real
>
&
disp
=
model
.
getDisplacement
();
Array
<
bool
>
&
bound
=
model
.
getBlockedDOFs
();
for
(
UInt
n
=
0
;
n
<
mesh
.
getNbNodes
();
++
n
)
{
Real
dist
=
0.
;
for
(
UInt
d
=
0
;
d
<
spatial_dimension
;
++
d
)
{
dist
+=
coord
(
n
,
d
)
*
coord
(
n
,
d
);
}
dist
=
sqrt
(
dist
);
for
(
UInt
d
=
0
;
d
<
spatial_dimension
;
++
d
)
{
disp
(
n
,
d
)
=
(
d
+
1
)
*
dist
;
bound
(
n
,
d
)
=
bool
((
n
%
2
)
+
d
);
}
}
// dump boundary bottom as reference
model
.
setGroupDirectory
(
"paraview"
,
"Bottom"
);
model
.
setGroupBaseName
(
"paraview_bottom"
,
"Bottom"
);
model
.
addDumpGroupField
(
"displacement"
,
"Bottom"
);
model
.
addDumpGroupField
(
"blocked_dofs"
,
"Bottom"
);
UInt
nbp
=
3
;
DumperParaview
prvdumper
(
"paraview_bottom_parallel"
,
"paraview"
,
false
);
iohelper
::
Dumper
&
prvdpr
=
prvdumper
.
getDumper
();
for
(
UInt
p
=
0
;
p
<
nbp
;
++
p
)
{
prvdpr
.
setParallelContext
(
p
,
nbp
,
0
);
if
(
p
!=
0
)
{
prvdumper
.
unRegisterField
(
"connectivities"
);
prvdumper
.
unRegisterField
(
"element_type"
);
prvdumper
.
unRegisterField
(
"positions"
);
prvdumper
.
unRegisterField
(
"displacement"
);
}
prvdumper
.
registerFilteredMesh
(
mesh
,
mesh
.
getElementGroup
(
"Bottom"
).
getElements
(),
mesh
.
getElementGroup
(
"Bottom"
).
getNodeGroup
().
getNodes
());
prvdumper
.
registerField
(
"displacement"
,
std
::
make_shared
<
dumpers
::
NodalField
<
Real
,
true
>>
(
model
.
getDisplacement
(),
0
,
0
,
&
(
mesh
.
getElementGroup
(
"Bottom"
).
getNodeGroup
().
getNodes
())));
prvdumper
.
dump
(
0
);
}
DumperText
txtdumper
(
"text_bottom"
,
iohelper
::
_tdm_csv
);
txtdumper
.
setDirectory
(
"paraview"
);
txtdumper
.
setPrecision
(
8
);
txtdumper
.
setTimeStep
(
time_step
);
txtdumper
.
registerFilteredMesh
(
mesh
,
mesh
.
getElementGroup
(
"Bottom"
).
getElements
(),
mesh
.
getElementGroup
(
"Bottom"
).
getNodeGroup
().
getNodes
());
txtdumper
.
registerField
(
"displacement"
,
std
::
make_shared
<
dumpers
::
NodalField
<
Real
,
true
>>
(
model
.
getDisplacement
(),
0
,
0
,
&
(
mesh
.
getElementGroup
(
"Bottom"
).
getNodeGroup
().
getNodes
())));
txtdumper
.
registerField
(
"blocked_dofs"
,
std
::
make_shared
<
dumpers
::
NodalField
<
bool
,
true
>>
(
model
.
getBlockedDOFs
(),
0
,
0
,
&
(
mesh
.
getElementGroup
(
"Bottom"
).
getNodeGroup
().
getNodes
())));
Real
pot_energy
=
1.2345567891
;
Vector
<
Real
>
gforces
(
2
,
1.
);
txtdumper
.
registerVariable
(
"potential_energy"
,
std
::
make_shared
<
dumpers
::
Variable
<
Real
>>
(
pot_energy
));
txtdumper
.
registerVariable
(
"global_forces"
,
std
::
make_shared
<
dumpers
::
Variable
<
Vector
<
Real
>>>
(
gforces
));
// dump a first time before the main loop
model
.
dumpGroup
(
"Bottom"
);
txtdumper
.
dump
();
Real
time
=
0.
;
for
(
UInt
i
=
1
;
i
<
5
;
++
i
)
{
pot_energy
+=
2.
;
gforces
(
0
)
+=
0.1
;
gforces
(
1
)
+=
0.2
;
// pre -> cor
// increment time after all steps of integration
time
+=
time_step
;
// dump after time increment
if
(
i
%
2
==
0
)
{
txtdumper
.
dump
(
time
,
i
);
model
.
dumpGroup
(
"Bottom"
);
// parallel test
for
(
UInt
p
=
0
;
p
<
nbp
;
++
p
)
{
prvdpr
.
setParallelContext
(
p
,
nbp
,
0
);
prvdumper
.
dump
(
i
);
}
}
}
finalize
();
return
EXIT_SUCCESS
;
}
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