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test_model_solver.cc
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rAKA akantu
test_model_solver.cc
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/**
* @file test_model_solver.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Apr 13 2016
* @date last modification: Thu Feb 01 2018
*
* @brief Test default dof manager
*
* @section LICENSE
*
* Copyright (©) 2016-2018 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 "aka_random_generator.hh"
#include "dof_manager.hh"
#include "dof_synchronizer.hh"
#include "mesh.hh"
#include "mesh_accessor.hh"
#include "model_solver.hh"
#include "non_linear_solver.hh"
#include "sparse_matrix.hh"
/* -------------------------------------------------------------------------- */
#include "test_model_solver_my_model.hh"
/* -------------------------------------------------------------------------- */
#include <cmath>
/* -------------------------------------------------------------------------- */
using
namespace
akantu
;
static
void
genMesh
(
Mesh
&
mesh
,
UInt
nb_nodes
);
static
void
printResults
(
MyModel
&
model
,
UInt
nb_nodes
);
Real
F
=
-
10
;
/* -------------------------------------------------------------------------- */
int
main
(
int
argc
,
char
*
argv
[])
{
initialize
(
argc
,
argv
);
UInt
prank
=
Communicator
::
getStaticCommunicator
().
whoAmI
();
std
::
cout
<<
std
::
setprecision
(
7
);
UInt
global_nb_nodes
=
100
;
Mesh
mesh
(
1
);
RandomGenerator
<
UInt
>::
seed
(
1
);
if
(
prank
==
0
)
{
genMesh
(
mesh
,
global_nb_nodes
);
}
// std::cout << prank << RandGenerator<Real>::seed() << std::endl;
mesh
.
distribute
();
MyModel
model
(
F
,
mesh
,
false
);
model
.
getNewSolver
(
"static"
,
_tsst_static
,
_nls_newton_raphson
);
model
.
setIntegrationScheme
(
"static"
,
"disp"
,
_ist_pseudo_time
);
NonLinearSolver
&
solver
=
model
.
getDOFManager
().
getNonLinearSolver
(
"static"
);
solver
.
set
(
"max_iterations"
,
2
);
model
.
solveStep
();
printResults
(
model
,
global_nb_nodes
);
finalize
();
return
EXIT_SUCCESS
;
}
/* -------------------------------------------------------------------------- */
void
genMesh
(
Mesh
&
mesh
,
UInt
nb_nodes
)
{
MeshAccessor
mesh_accessor
(
mesh
);
Array
<
Real
>
&
nodes
=
mesh_accessor
.
getNodes
();
Array
<
UInt
>
&
conn
=
mesh_accessor
.
getConnectivity
(
_segment_2
);
nodes
.
resize
(
nb_nodes
);
mesh_accessor
.
setNbGlobalNodes
(
nb_nodes
);
for
(
UInt
n
=
0
;
n
<
nb_nodes
;
++
n
)
{
nodes
(
n
,
_x
)
=
n
*
(
1.
/
(
nb_nodes
-
1
));
}
conn
.
resize
(
nb_nodes
-
1
);
for
(
UInt
n
=
0
;
n
<
nb_nodes
-
1
;
++
n
)
{
conn
(
n
,
0
)
=
n
;
conn
(
n
,
1
)
=
n
+
1
;
}
}
/* -------------------------------------------------------------------------- */
void
printResults
(
MyModel
&
model
,
UInt
nb_nodes
)
{
UInt
prank
=
model
.
mesh
.
getCommunicator
().
whoAmI
();
auto
&
sync
=
dynamic_cast
<
DOFManagerDefault
&>
(
model
.
getDOFManager
())
.
getSynchronizer
();
if
(
prank
==
0
)
{
Array
<
Real
>
global_displacement
(
nb_nodes
);
Array
<
Real
>
global_forces
(
nb_nodes
);
Array
<
bool
>
global_blocked
(
nb_nodes
);
sync
.
gather
(
model
.
forces
,
global_forces
);
sync
.
gather
(
model
.
displacement
,
global_displacement
);
sync
.
gather
(
model
.
blocked
,
global_blocked
);
auto
force_it
=
global_forces
.
begin
();
auto
disp_it
=
global_displacement
.
begin
();
auto
blocked_it
=
global_blocked
.
begin
();
std
::
cout
<<
"node"
<<
", "
<<
std
::
setw
(
8
)
<<
"disp"
<<
", "
<<
std
::
setw
(
8
)
<<
"force"
<<
", "
<<
std
::
setw
(
8
)
<<
"blocked"
<<
std
::
endl
;
UInt
node
=
0
;
for
(;
disp_it
!=
global_displacement
.
end
();
++
disp_it
,
++
force_it
,
++
blocked_it
,
++
node
)
{
std
::
cout
<<
node
<<
", "
<<
std
::
setw
(
8
)
<<
*
disp_it
<<
", "
<<
std
::
setw
(
8
)
<<
*
force_it
<<
", "
<<
std
::
setw
(
8
)
<<
*
blocked_it
<<
std
::
endl
;
std
::
cout
<<
std
::
flush
;
}
}
else
{
sync
.
gather
(
model
.
forces
);
sync
.
gather
(
model
.
displacement
);
sync
.
gather
(
model
.
blocked
);
}
}
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