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test_heat_transfer_model_cube3d_pbc.cc
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Sun, Aug 25, 21:05
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rAKA akantu
test_heat_transfer_model_cube3d_pbc.cc
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/**
* @file test_heat_transfer_model_cube3d.cc
* @author Rui WANG<rui.wang@epfl.ch>
* @date Tue May 17 11:31:22 2011
*
* @brief test of the class HeatTransferModel on the 3d cube
*
* @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 "aka_common.hh"
#include "mesh.hh"
#include "mesh_io.hh"
#include "mesh_io_msh.hh"
#include "heat_transfer_model.hh"
#include "pbc_synchronizer.hh"
#include <iostream>
#include <fstream>
#include <string.h>
using
namespace
std
;
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_USE_IOHELPER
#include "io_helper.h"
#endif
//AKANTU_USE_IOHELPER
void
paraviewInit
(
akantu
::
HeatTransferModel
*
model
,
Dumper
&
dumper
);
void
paraviewDump
(
Dumper
&
dumper
);
akantu
::
UInt
spatial_dimension
=
3
;
akantu
::
ElementType
type
=
akantu
::
_tetrahedron_4
;
akantu
::
UInt
paraview_type
=
TETRA1
;
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
akantu
::
initialize
(
&
argc
,
&
argv
);
akantu
::
Mesh
mesh
(
spatial_dimension
);
akantu
::
MeshIOMSH
mesh_io
;
mesh_io
.
read
(
"cube_tet4.msh"
,
mesh
);
akantu
::
HeatTransferModel
*
model
;
akantu
::
UInt
nb_nodes
;
akantu
::
UInt
nb_element
;
model
=
new
akantu
::
HeatTransferModel
(
mesh
);
/* -------------------------------------------------------------------------- */
model
->
readMaterials
(
"material.dat"
);
model
->
initModel
();
model
->
initVectors
();
model
->
getHeatFlux
().
clear
();
model
->
getCapacityLumped
().
clear
();
model
->
getTemperatureGradient
(
type
).
clear
();
/* -------------------------------------------------------------------------- */
model
->
initPBC
(
1
,
1
,
1
);
model
->
assembleCapacityLumped
();
/* -------------------------------------------------------------------------- */
nb_nodes
=
model
->
getFEM
().
getMesh
().
getNbNodes
();
nb_element
=
model
->
getFEM
().
getMesh
().
getNbElement
(
type
);
nb_nodes
=
model
->
getFEM
().
getMesh
().
getNbNodes
();
/* ------------------------------------------------------------------------ */
//get stable time step
akantu
::
Real
time_step
=
model
->
getStableTimeStep
()
*
0.8
;
cout
<<
"time step is:"
<<
time_step
<<
endl
;
model
->
setTimeStep
(
time_step
);
/* -------------------------------------------------------------------------- */
/// boundary conditions
const
akantu
::
Vector
<
akantu
::
Real
>
&
nodes
=
model
->
getFEM
().
getMesh
().
getNodes
();
akantu
::
Vector
<
bool
>
&
boundary
=
model
->
getBoundary
();
akantu
::
Vector
<
akantu
::
Real
>
&
temperature
=
model
->
getTemperature
();
akantu
::
Vector
<
akantu
::
Real
>
&
heat_flux
=
model
->
getHeatFlux
();
akantu
::
Real
eps
=
1e-15
;
double
t1
,
t2
,
length
;
t1
=
300.
;
t2
=
100.
;
length
=
1.
;
for
(
akantu
::
UInt
i
=
0
;
i
<
nb_nodes
;
++
i
)
{
temperature
(
i
)
=
100.
;
akantu
::
Real
dx
=
nodes
(
i
,
0
)
-
length
/
4.
;
akantu
::
Real
dy
=
nodes
(
i
,
1
)
-
length
/
4.
;
akantu
::
Real
dz
=
nodes
(
i
,
2
)
-
length
/
4.
;
akantu
::
Real
d
=
sqrt
(
dx
*
dx
+
dy
*
dy
+
dz
*
dz
);
if
(
d
<
0.1
){
boundary
(
i
)
=
true
;
temperature
(
i
)
=
300.
;
}
}
/* -------------------------------------------------------------------------- */
DumperParaview
dumper
;
paraviewInit
(
model
,
dumper
);
/* ------------------------------------------------------------------------ */
// //for testing
int
max_steps
=
3000
;
/* ------------------------------------------------------------------------ */
for
(
int
i
=
0
;
i
<
max_steps
;
i
++
)
{
model
->
updateHeatFlux
();
model
->
updateTemperature
();
if
(
i
%
100
==
0
)
paraviewDump
(
dumper
);
if
(
i
%
10
==
0
)
std
::
cout
<<
"Step "
<<
i
<<
"/"
<<
max_steps
<<
std
::
endl
;
}
cout
<<
"
\n\n
Stable Time Step is : "
<<
time_step
<<
"
\n
\n
"
<<
endl
;
return
0
;
}
/* -------------------------------------------------------------------------- */
void
paraviewInit
(
akantu
::
HeatTransferModel
*
model
,
Dumper
&
dumper
)
{
akantu
::
UInt
nb_nodes
=
model
->
getFEM
().
getMesh
().
getNbNodes
();
akantu
::
UInt
nb_element
=
model
->
getFEM
().
getMesh
().
getNbElement
(
type
);
dumper
.
SetMode
(
TEXT
);
dumper
.
SetPoints
(
model
->
getFEM
().
getMesh
().
getNodes
().
values
,
spatial_dimension
,
nb_nodes
,
"coordinates2"
);
dumper
.
SetConnectivity
((
int
*
)
model
->
getFEM
().
getMesh
().
getConnectivity
(
type
).
values
,
paraview_type
,
nb_element
,
C_MODE
);
dumper
.
AddNodeDataField
(
model
->
getTemperature
().
values
,
1
,
"temperature"
);
dumper
.
AddNodeDataField
(
model
->
getHeatFlux
().
values
,
1
,
"heat_flux"
);
dumper
.
AddNodeDataField
(
model
->
getCapacityLumped
().
values
,
1
,
"capacity_lumped"
);
// dumper.AddElemDataField(model->getTemperatureGradient(type).values,
// spatial_dimension, "temperature_gradient");
// dumper.AddElemDataField(model->getbtkgt().values,
// 4, "btkgt");
dumper
.
SetPrefix
(
"paraview/"
);
dumper
.
Init
();
dumper
.
Dump
();
}
/* -------------------------------------------------------------------------- */
void
paraviewDump
(
Dumper
&
dumper
)
{
dumper
.
Dump
();
}
/* -------------------------------------------------------------------------- */
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