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non_local_manager_igfem.cc
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rAKA akantu
non_local_manager_igfem.cc
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/**
* @file non_local_manager_igfem.cc
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @date Mon Sep 21 15:32:10 2015
*
* @brief Implementation of non-local manager igfem
*
*
* 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifdef AKANTU_DAMAGE_NON_LOCAL
#include "non_local_manager_igfem.hh"
#include "material_non_local.hh"
/* -------------------------------------------------------------------------- */
namespace
akantu
{
/* -------------------------------------------------------------------------- */
NonLocalManagerIGFEM
::
NonLocalManagerIGFEM
(
SolidMechanicsModelIGFEM
&
model
,
const
ID
&
id
,
const
MemoryID
&
memory_id
)
:
NonLocalManager
(
model
,
id
,
memory_id
)
{
Mesh
&
mesh
=
this
->
model
.
getMesh
();
/// initialize the element type map array
/// it will be resized to nb_quad * nb_element during the computation of
/// coords
mesh
.
initElementTypeMapArray
(
quad_positions
,
spatial_dimension
,
spatial_dimension
,
false
,
_ek_igfem
,
true
);
}
/* -------------------------------------------------------------------------- */
NonLocalManagerIGFEM
::~
NonLocalManagerIGFEM
()
{}
/* -------------------------------------------------------------------------- */
void
NonLocalManagerIGFEM
::
init
()
{
/// store the number of current ghost elements for each type in the mesh
ElementTypeMap
<
UInt
>
nb_ghost_protected
;
Mesh
&
mesh
=
this
->
model
.
getMesh
();
for
(
UInt
k
=
_ek_regular
;
k
<=
_ek_igfem
;
++
k
)
{
ElementKind
el_kind
=
(
ElementKind
)
k
;
Mesh
::
type_iterator
it
=
mesh
.
firstType
(
spatial_dimension
,
_ghost
,
el_kind
);
Mesh
::
type_iterator
last_type
=
mesh
.
lastType
(
spatial_dimension
,
_ghost
,
el_kind
);
for
(;
it
!=
last_type
;
++
it
)
nb_ghost_protected
(
mesh
.
getNbElement
(
*
it
,
_ghost
),
*
it
,
_ghost
);
}
/// exchange the missing ghosts for the non-local neighborhoods
this
->
createNeighborhoodSynchronizers
();
/// insert the ghost quadrature points of the non-local materials into the
/// non-local neighborhoods
for
(
UInt
m
=
0
;
m
<
this
->
non_local_materials
.
size
();
++
m
)
{
switch
(
spatial_dimension
)
{
case
1
:
dynamic_cast
<
MaterialNonLocal
<
1
>
&>
(
*
(
this
->
non_local_materials
[
m
]))
.
insertQuadsInNeighborhoods
(
_ghost
);
break
;
case
2
:
dynamic_cast
<
MaterialNonLocal
<
2
>
&>
(
*
(
this
->
non_local_materials
[
m
]))
.
insertQuadsInNeighborhoods
(
_ghost
);
break
;
case
3
:
dynamic_cast
<
MaterialNonLocal
<
3
>
&>
(
*
(
this
->
non_local_materials
[
m
]))
.
insertQuadsInNeighborhoods
(
_ghost
);
break
;
}
}
FEEngine
&
fee_regular
=
this
->
model
.
getFEEngine
();
FEEngine
&
fee_igfem
=
this
->
model
.
getFEEngine
(
"IGFEMFEEngine"
);
this
->
updatePairLists
();
/// cleanup the unneccessary ghost elements
this
->
cleanupExtraGhostElements
(
nb_ghost_protected
);
this
->
initElementTypeMap
(
1
,
volumes
,
fee_regular
,
_ek_regular
);
this
->
initElementTypeMap
(
1
,
volumes
,
fee_igfem
,
_ek_igfem
);
this
->
setJacobians
(
fee_regular
,
_ek_regular
);
this
->
setJacobians
(
fee_igfem
,
_ek_igfem
);
this
->
initNonLocalVariables
();
this
->
computeWeights
();
}
/* -------------------------------------------------------------------------- */
void
NonLocalManagerIGFEM
::
computeAllNonLocalStresses
()
{
/// update the flattened version of the internals
std
::
map
<
ID
,
NonLocalVariable
*>::
iterator
non_local_variable_it
=
non_local_variables
.
begin
();
std
::
map
<
ID
,
NonLocalVariable
*>::
iterator
non_local_variable_end
=
non_local_variables
.
end
();
for
(;
non_local_variable_it
!=
non_local_variable_end
;
++
non_local_variable_it
)
{
non_local_variable_it
->
second
->
local
.
zero
();
non_local_variable_it
->
second
->
non_local
.
zero
();
for
(
UInt
gt
=
_not_ghost
;
gt
<=
_ghost
;
++
gt
)
{
GhostType
ghost_type
=
(
GhostType
)
gt
;
this
->
flattenInternal
(
non_local_variable_it
->
second
->
local
,
ghost_type
,
_ek_regular
);
this
->
flattenInternal
(
non_local_variable_it
->
second
->
local
,
ghost_type
,
_ek_igfem
);
}
}
this
->
volumes
.
zero
();
/// loop over all the neighborhoods and compute intiate the
/// exchange of the non-local_variables
std
::
set
<
ID
>::
const_iterator
global_neighborhood_it
=
global_neighborhoods
.
begin
();
NeighborhoodMap
::
iterator
it
;
for
(;
global_neighborhood_it
!=
global_neighborhoods
.
end
();
++
global_neighborhood_it
)
{
it
=
neighborhoods
.
find
(
*
global_neighborhood_it
);
if
(
it
!=
neighborhoods
.
end
())
it
->
second
->
getSynchronizerRegistry
().
asynchronousSynchronize
(
SynchronizationTag
::
_mnl_for_average
);
else
dummy_synchronizers
[
*
global_neighborhood_it
]
->
asynchronousSynchronize
(
dummy_accessor
,
SynchronizationTag
::
_mnl_for_average
);
}
this
->
averageInternals
(
_not_ghost
);
AKANTU_DEBUG_INFO
(
"Wait distant non local stresses"
);
/// loop over all the neighborhoods and block until all non-local
/// variables have been exchanged
global_neighborhood_it
=
global_neighborhoods
.
begin
();
it
=
neighborhoods
.
begin
();
for
(;
global_neighborhood_it
!=
global_neighborhoods
.
end
();
++
global_neighborhood_it
)
{
it
=
neighborhoods
.
find
(
*
global_neighborhood_it
);
if
(
it
!=
neighborhoods
.
end
())
it
->
second
->
getSynchronizerRegistry
().
waitEndSynchronize
(
SynchronizationTag
::
_mnl_for_average
);
else
dummy_synchronizers
[
*
global_neighborhood_it
]
->
waitEndSynchronize
(
dummy_accessor
,
SynchronizationTag
::
_mnl_for_average
);
}
this
->
averageInternals
(
_ghost
);
/// copy the results in the materials
this
->
distributeInternals
(
_ek_regular
);
/// loop over all the materials and update the weights
for
(
UInt
m
=
0
;
m
<
this
->
non_local_materials
.
size
();
++
m
)
{
switch
(
spatial_dimension
)
{
case
1
:
dynamic_cast
<
MaterialNonLocal
<
1
>
&>
(
*
(
this
->
non_local_materials
[
m
]))
.
computeNonLocalStresses
(
_not_ghost
);
break
;
case
2
:
dynamic_cast
<
MaterialNonLocal
<
2
>
&>
(
*
(
this
->
non_local_materials
[
m
]))
.
computeNonLocalStresses
(
_not_ghost
);
break
;
case
3
:
dynamic_cast
<
MaterialNonLocal
<
3
>
&>
(
*
(
this
->
non_local_materials
[
m
]))
.
computeNonLocalStresses
(
_not_ghost
);
break
;
}
}
++
this
->
compute_stress_calls
;
}
/* -------------------------------------------------------------------------- */
void
NonLocalManagerIGFEM
::
cleanupExtraGhostElements
(
ElementTypeMap
<
UInt
>
&
nb_ghost_protected
)
{
typedef
std
::
set
<
Element
>
ElementSet
;
ElementSet
relevant_ghost_elements
;
ElementSet
to_keep_per_neighborhood
;
/// loop over all the neighborhoods and get their protected ghosts
NeighborhoodMap
::
iterator
neighborhood_it
=
neighborhoods
.
begin
();
NeighborhoodMap
::
iterator
neighborhood_end
=
neighborhoods
.
end
();
for
(;
neighborhood_it
!=
neighborhood_end
;
++
neighborhood_it
)
{
neighborhood_it
->
second
->
cleanupExtraGhostElements
(
to_keep_per_neighborhood
);
ElementSet
::
const_iterator
it
=
to_keep_per_neighborhood
.
begin
();
for
(;
it
!=
to_keep_per_neighborhood
.
end
();
++
it
)
relevant_ghost_elements
.
insert
(
*
it
);
to_keep_per_neighborhood
.
zero
();
}
/// remove all unneccessary ghosts from the mesh
/// Create list of element to remove and new numbering for element to keep
Mesh
&
mesh
=
this
->
model
.
getMesh
();
ElementSet
ghost_to_erase
;
RemovedElementsEvent
remove_elem
(
mesh
);
Element
element
;
for
(
UInt
k
=
_ek_regular
;
k
<
_ek_igfem
;
++
k
)
{
ElementKind
el_kind
=
(
ElementKind
)
k
;
element
.
kind
=
_ek_igfem
;
Mesh
::
type_iterator
it
=
mesh
.
firstType
(
spatial_dimension
,
_ghost
,
el_kind
);
Mesh
::
type_iterator
last_type
=
mesh
.
lastType
(
spatial_dimension
,
_ghost
,
el_kind
);
element
.
ghost_type
=
_ghost
;
for
(;
it
!=
last_type
;
++
it
)
{
element
.
type
=
*
it
;
UInt
nb_ghost_elem
=
mesh
.
getNbElement
(
*
it
,
_ghost
);
UInt
nb_ghost_elem_protected
=
0
;
try
{
nb_ghost_elem_protected
=
nb_ghost_protected
(
*
it
,
_ghost
);
}
catch
(...)
{
}
if
(
!
remove_elem
.
getNewNumbering
().
exists
(
*
it
,
_ghost
))
remove_elem
.
getNewNumbering
().
alloc
(
nb_ghost_elem
,
1
,
*
it
,
_ghost
);
else
remove_elem
.
getNewNumbering
(
*
it
,
_ghost
).
resize
(
nb_ghost_elem
);
Array
<
UInt
>
&
new_numbering
=
remove_elem
.
getNewNumbering
(
*
it
,
_ghost
);
for
(
UInt
g
=
0
;
g
<
nb_ghost_elem
;
++
g
)
{
element
.
element
=
g
;
if
(
element
.
element
>=
nb_ghost_elem_protected
&&
relevant_ghost_elements
.
find
(
element
)
==
relevant_ghost_elements
.
end
())
{
remove_elem
.
getList
().
push_back
(
element
);
new_numbering
(
element
.
element
)
=
UInt
(
-
1
);
}
}
/// renumber remaining ghosts
UInt
ng
=
0
;
for
(
UInt
g
=
0
;
g
<
nb_ghost_elem
;
++
g
)
{
if
(
new_numbering
(
g
)
!=
UInt
(
-
1
))
{
new_numbering
(
g
)
=
ng
;
++
ng
;
}
}
}
}
for
(
UInt
k
=
_ek_regular
;
k
<
_ek_igfem
;
++
k
)
{
ElementKind
el_kind
=
(
ElementKind
)
k
;
Mesh
::
type_iterator
it
=
mesh
.
firstType
(
spatial_dimension
,
_ghost
,
el_kind
);
Mesh
::
type_iterator
last_type
=
mesh
.
lastType
(
spatial_dimension
,
_ghost
,
el_kind
);
for
(;
it
!=
last_type
;
++
it
)
{
UInt
nb_elem
=
mesh
.
getNbElement
(
*
it
,
_not_ghost
);
if
(
!
remove_elem
.
getNewNumbering
().
exists
(
*
it
,
_not_ghost
))
remove_elem
.
getNewNumbering
().
alloc
(
nb_elem
,
1
,
*
it
,
_not_ghost
);
Array
<
UInt
>
&
new_numbering
=
remove_elem
.
getNewNumbering
(
*
it
,
_not_ghost
);
for
(
UInt
e
=
0
;
e
<
nb_elem
;
++
e
)
{
new_numbering
(
e
)
=
e
;
}
}
}
mesh
.
sendEvent
(
remove_elem
);
}
/* -------------------------------------------------------------------------- */
void
NonLocalManagerIGFEM
::
onElementsAdded
(
__attribute__
((
unused
))
const
Array
<
Element
>
&
element_list
,
__attribute__
((
unused
))
const
NewElementsEvent
&
event
)
{
FEEngine
&
fee
=
this
->
model
.
getFEEngine
(
"IGFEMFEEngine"
);
this
->
resizeElementTypeMap
(
1
,
volumes
,
fee
,
_ek_igfem
);
this
->
resizeElementTypeMap
(
spatial_dimension
,
quad_positions
,
fee
,
_ek_igfem
);
NonLocalManager
::
onElementsAdded
(
element_list
,
event
);
}
/* -------------------------------------------------------------------------- */
void
NonLocalManagerIGFEM
::
onElementsRemoved
(
const
Array
<
Element
>
&
element_list
,
const
ElementTypeMapArray
<
UInt
>
&
new_numbering
,
__attribute__
((
unused
))
const
RemovedElementsEvent
&
event
)
{
FEEngine
&
fee
=
this
->
model
.
getFEEngine
(
"IGFEMFEEngine"
);
this
->
removeIntegrationPointsFromMap
(
event
.
getNewNumbering
(),
spatial_dimension
,
quad_positions
,
fee
,
_ek_igfem
);
this
->
removeIntegrationPointsFromMap
(
event
.
getNewNumbering
(),
1
,
volumes
,
fee
,
_ek_igfem
);
NonLocalManager
::
onElementsRemoved
(
element_list
,
new_numbering
,
event
);
}
}
// namespace akantu
#endif
/* AKANTU_DAMAGE_NON_LOCAL */
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