Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F86204184
dof_manager_default.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
Fri, Oct 4, 22:22
Size
11 KB
Mime Type
text/x-c
Expires
Sun, Oct 6, 22:22 (2 d)
Engine
blob
Format
Raw Data
Handle
21369611
Attached To
rAKA akantu
dof_manager_default.cc
View Options
/**
* @file dof_manager_default.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date Tue Aug 11 16:21:01 2015
*
* @brief Implementation of the default DOFManager
*
* @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 "dof_manager_default.hh"
#include "sparse_matrix_aij.hh"
#include "time_step_solver_default.hh"
#include "static_communicator.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
inline
void
DOFManagerDefault
::
addSymmetricElementalMatrixToSymmetric
(
SparseMatrixAIJ
&
matrix
,
const
Matrix
<
Real
>
&
elementary_mat
,
const
Vector
<
UInt
>
&
equation_numbers
,
UInt
max_size
)
{
for
(
UInt
i
=
0
;
i
<
elementary_mat
.
rows
();
++
i
)
{
UInt
c_irn
=
equation_numbers
(
i
);
if
(
c_irn
<
max_size
)
{
for
(
UInt
j
=
i
;
j
<
elementary_mat
.
cols
();
++
j
)
{
UInt
c_jcn
=
equation_numbers
(
j
);
if
(
c_jcn
<
max_size
)
{
matrix
(
c_irn
,
c_jcn
)
+=
elementary_mat
(
i
,
j
);
}
}
}
}
}
/* -------------------------------------------------------------------------- */
inline
void
DOFManagerDefault
::
addUnsymmetricElementalMatrixToSymmetric
(
SparseMatrixAIJ
&
matrix
,
const
Matrix
<
Real
>
&
elementary_mat
,
const
Vector
<
UInt
>
&
equation_numbers
,
UInt
max_size
)
{
for
(
UInt
i
=
0
;
i
<
elementary_mat
.
rows
();
++
i
)
{
UInt
c_irn
=
equation_numbers
(
i
);
if
(
c_irn
<
max_size
)
{
for
(
UInt
j
=
0
;
j
<
elementary_mat
.
cols
();
++
j
)
{
UInt
c_jcn
=
equation_numbers
(
j
);
if
(
c_jcn
<
max_size
)
{
if
(
c_jcn
>=
c_irn
)
{
matrix
(
c_irn
,
c_jcn
)
+=
elementary_mat
(
i
,
j
);
}
}
}
}
}
}
/* -------------------------------------------------------------------------- */
inline
void
DOFManagerDefault
::
addElementalMatrixToUnsymmetric
(
SparseMatrixAIJ
&
matrix
,
const
Matrix
<
Real
>
&
elementary_mat
,
const
Vector
<
UInt
>
&
equation_numbers
,
UInt
max_size
)
{
for
(
UInt
i
=
0
;
i
<
elementary_mat
.
rows
();
++
i
)
{
UInt
c_irn
=
equation_numbers
(
i
);
if
(
c_irn
<
max_size
)
{
for
(
UInt
j
=
0
;
j
<
elementary_mat
.
cols
();
++
j
)
{
UInt
c_jcn
=
equation_numbers
(
j
);
if
(
c_jcn
<
max_size
)
{
matrix
(
c_irn
,
c_jcn
)
+=
elementary_mat
(
i
,
j
);
}
}
}
}
}
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
DOFManagerDefault
::
DOFManagerDefault
(
const
Mesh
&
mesh
,
const
ID
&
id
,
const
MemoryID
&
memory_id
)
:
DOFManager
(
mesh
,
id
,
memory_id
)
{}
/* -------------------------------------------------------------------------- */
DOFManagerDefault
::~
DOFManagerDefault
()
{}
/* -------------------------------------------------------------------------- */
void
DOFManagerDefault
::
registerDOFs
(
const
ID
&
dof_id
,
Array
<
Real
>
&
dofs_array
,
DOFSupportType
&
support_type
)
{
// stores the current numbers of dofs
UInt
local_nb_dofs
=
this
->
local_system_size
;
UInt
pure_local_nb_dofs
=
this
->
pure_local_system_size
;
// update or create the dof_data
DOFManager
::
registerDOFs
(
dof_id
,
dofs_array
,
support_type
);
// Count the number of pure local dofs per proc
StaticCommunicator
&
comm
=
StaticCommunicator
::
getStaticCommunicator
();
UInt
prank
=
comm
.
whoAmI
();
UInt
psize
=
comm
.
getNbProc
();
Array
<
UInt
>
nb_dofs_per_proc
(
psize
);
nb_dofs_per_proc
(
prank
)
=
this
->
pure_local_system_size
-
pure_local_nb_dofs
;
comm
.
allGather
(
nb_dofs_per_proc
);
UInt
first_global_dofs_id
=
std
::
accumulate
(
nb_dofs_per_proc
.
begin
(),
nb_dofs_per_proc
.
begin
()
+
prank
,
0
);
// nb local dofs to account for
UInt
nb_dofs
=
this
->
local_system_size
-
local_nb_dofs
;
DOFData
&
dof_data
=
*
dofs
[
dof_id
];
this
->
global_equation_number
.
resize
(
this
->
local_system_size
);
// set the equation numbers
if
(
support_type
==
_dst_nodal
)
{
UInt
first_dof_id
=
local_nb_dofs
;
dof_data
.
local_equation_number
.
resize
(
nb_dofs
);
for
(
UInt
d
=
0
;
d
<
nb_dofs
;
++
d
)
{
UInt
local_eq_num
=
first_dof_id
+
d
;
dof_data
.
local_equation_number
(
d
)
=
local_eq_num
;
this
->
global_equation_number
(
local_eq_num
)
=
first_global_dofs_id
+
d
;
}
}
}
/* -------------------------------------------------------------------------- */
SparseMatrix
&
DOFManagerDefault
::
getNewMatrix
(
const
ID
&
matrix_id
,
const
MatrixType
&
matrix_type
)
{
std
::
stringstream
sstr
;
sstr
<<
this
->
id
<<
":"
<<
matrix_id
;
SparseMatrix
*
sm
=
new
SparseMatrixAIJ
(
*
this
,
matrix_type
,
sstr
.
str
(),
this
->
memory_id
);
this
->
registerSparseMatrix
(
matrix_id
,
*
sm
);
return
*
sm
;
}
/* -------------------------------------------------------------------------- */
SparseMatrix
&
DOFManagerDefault
::
getNewMatrix
(
const
ID
&
matrix_id
,
const
ID
&
matrix_to_copy_id
)
{
std
::
stringstream
sstr
;
sstr
<<
this
->
id
<<
":"
<<
matrix_id
;
SparseMatrixAIJ
&
sm_to_copy
=
this
->
getMatrix
(
matrix_to_copy_id
);
SparseMatrix
*
sm
=
new
SparseMatrixAIJ
(
sm_to_copy
,
sstr
.
str
(),
this
->
memory_id
);
this
->
registerSparseMatrix
(
matrix_id
,
*
sm
);
return
*
sm
;
}
/* -------------------------------------------------------------------------- */
SparseMatrixAIJ
&
DOFManagerDefault
::
getMatrix
(
const
ID
&
matrix_id
)
{
AIJMatrixMap
::
iterator
it
=
this
->
aij_matrices
.
find
(
matrix_id
);
if
(
it
==
this
->
aij_matrices
.
end
())
AKANTU_EXCEPTION
(
"The matrix "
<<
matrix_id
<<
" does not exists in the DOFManager "
<<
this
->
id
);
return
*
(
it
->
second
);
}
/* -------------------------------------------------------------------------- */
TimeStepSolver
&
DOFManagerDefault
::
getNewTimeStepSolver
(
const
ID
&
dof_id
,
const
ID
&
time_step_solver_id
,
const
TimeStepSolverType
&
time_step_solver_type
)
{
std
::
stringstream
sstr
;
sstr
<<
this
->
id
<<
":"
<<
time_step_solver_id
;
TimeStepSolver
*
tss
=
new
TimeStepSolverDefault
(
*
this
,
dof_id
,
time_step_solver_type
,
sstr
.
str
(),
this
->
memory_id
);
this
->
registerTimeStepSolver
(
time_step_solver_id
,
*
tss
);
return
*
tss
;
}
/* -------------------------------------------------------------------------- */
void
DOFManagerDefault
::
getSolutionPerDOFs
(
const
ID
&
dof_id
,
Array
<
Real
>
&
solution_array
)
{
AKANTU_DEBUG_IN
();
const
Array
<
UInt
>
&
equation_number
=
this
->
getLocalEquationNumbers
(
dof_id
);
UInt
nb_degree_of_freedoms
=
solution_array
.
getSize
()
*
solution_array
.
getNbComponent
();
AKANTU_DEBUG_ASSERT
(
equation_number
.
getSize
()
==
nb_degree_of_freedoms
,
"The array to get the solution does not have a correct size."
<<
" ("
<<
solution_array
.
getID
()
<<
")"
);
Real
*
sol_it
=
solution_array
.
storage
();
UInt
*
equ_it
=
equation_number
.
storage
();
Array
<
Real
>
solution
;
for
(
UInt
d
=
0
;
d
<
nb_degree_of_freedoms
;
++
d
,
++
sol_it
,
++
equ_it
)
{
(
*
sol_it
)
=
solution
(
*
equ_it
);
}
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
DOFManagerDefault
::
assembleToResidual
(
const
ID
&
dof_id
,
const
Array
<
Real
>
&
array_to_assemble
,
Real
scale_factor
)
{
AKANTU_DEBUG_IN
();
const
Array
<
UInt
>
&
equation_number
=
this
->
getLocalEquationNumbers
(
dof_id
);
UInt
nb_degree_of_freedoms
=
array_to_assemble
.
getSize
()
*
array_to_assemble
.
getNbComponent
();
AKANTU_DEBUG_ASSERT
(
equation_number
.
getSize
()
==
nb_degree_of_freedoms
,
"The array to assemble does not have a correct size."
<<
" ("
<<
array_to_assemble
.
getID
()
<<
")"
);
Real
*
arr_it
=
array_to_assemble
.
storage
();
UInt
*
equ_it
=
equation_number
.
storage
();
for
(
UInt
d
=
0
;
d
<
nb_degree_of_freedoms
;
++
d
,
++
arr_it
,
++
equ_it
)
{
residual
(
*
equ_it
)
+=
scale_factor
*
(
*
arr_it
);
}
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
DOFManagerDefault
::
assembleElementalMatricesToMatrix
(
const
ID
&
matrix_id
,
const
ID
&
dof_id
,
const
Array
<
Real
>
&
elementary_mat
,
const
ElementType
&
type
,
const
GhostType
&
ghost_type
,
const
MatrixType
&
elemental_matrix_type
,
const
Array
<
UInt
>
&
filter_elements
)
{
AKANTU_DEBUG_IN
();
const
Array
<
UInt
>
&
equation_number
=
this
->
getLocalEquationNumbers
(
dof_id
);
SparseMatrixAIJ
&
A
=
this
->
getMatrix
(
matrix_id
);
UInt
nb_element
;
if
(
ghost_type
==
_not_ghost
)
{
nb_element
=
mesh
.
getNbElement
(
type
);
}
else
{
AKANTU_DEBUG_TO_IMPLEMENT
();
}
UInt
*
filter_it
=
NULL
;
if
(
filter_elements
!=
empty_filter
)
{
nb_element
=
filter_elements
.
getSize
();
filter_it
=
filter_elements
.
storage
();
}
else
{
nb_element
=
mesh
.
getNbElement
(
type
,
ghost_type
);
}
AKANTU_DEBUG_ASSERT
(
elementary_mat
.
getSize
()
==
nb_element
,
"The vector elementary_mat("
<<
elementary_mat
.
getID
()
<<
") has not the good size."
);
UInt
nb_nodes_per_element
=
Mesh
::
getNbNodesPerElement
(
type
);
UInt
nb_degree_of_freedom
=
elementary_mat
.
getNbComponent
()
/
(
nb_nodes_per_element
*
nb_nodes_per_element
);
const
Array
<
UInt
>
connectivity
=
this
->
mesh
.
getConnectivity
(
type
,
ghost_type
);
Array
<
UInt
>::
const_vector_iterator
conn_begin
=
connectivity
.
begin
(
nb_nodes_per_element
);
Array
<
UInt
>::
const_vector_iterator
conn_it
=
conn_begin
;
UInt
size_mat
=
nb_nodes_per_element
*
nb_degree_of_freedom
;
Vector
<
UInt
>
local_eq_nb
(
nb_degree_of_freedom
*
nb_nodes_per_element
);
Array
<
Real
>::
const_matrix_iterator
el_mat_it
=
elementary_mat
.
begin
(
size_mat
,
size_mat
);
for
(
UInt
e
=
0
;
e
<
nb_element
;
++
e
,
++
el_mat_it
)
{
if
(
filter_it
!=
NULL
)
conn_it
=
conn_begin
+
*
filter_it
;
this
->
extractElementEquationNumber
(
equation_number
,
*
conn_it
,
nb_degree_of_freedom
,
local_eq_nb
);
if
(
filter_it
!=
NULL
)
++
filter_it
;
else
++
conn_it
;
if
(
A
.
getMatrixType
()
==
_symmetric
)
if
(
elemental_matrix_type
==
_symmetric
)
this
->
addSymmetricElementalMatrixToSymmetric
(
A
,
*
el_mat_it
,
local_eq_nb
,
A
.
getSize
());
else
this
->
addUnsymmetricElementalMatrixToSymmetric
(
A
,
*
el_mat_it
,
local_eq_nb
,
A
.
getSize
());
else
this
->
addElementalMatrixToUnsymmetric
(
A
,
*
el_mat_it
,
local_eq_nb
,
A
.
getSize
());
}
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__
Event Timeline
Log In to Comment