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rAKA akantu
non_local_manager.hh
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/**
* @file non_local_manager.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Tue Dec 08 2015
*
* @brief Classes that manages all the non-local neighborhoods
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 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 "communication_buffer.hh"
#include "data_accessor.hh"
#include "mesh_events.hh"
#include "non_local_manager_callback.hh"
#include "parsable.hh"
/* -------------------------------------------------------------------------- */
#include <map>
#include <set>
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_NON_LOCAL_MANAGER_HH__
#define __AKANTU_NON_LOCAL_MANAGER_HH__
namespace
akantu
{
class
Model
;
class
NonLocalNeighborhoodBase
;
class
GridSynchronizer
;
class
SynchronizerRegistry
;
class
IntegrationPoint
;
template
<
typename
T
>
class
SpatialGrid
;
class
FEEngine
;
}
// namespace akantu
namespace
akantu
{
class
NonLocalManager
:
protected
Memory
,
public
MeshEventHandler
,
public
Parsable
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
NonLocalManager
(
Model
&
model
,
NonLocalManagerCallback
&
callback
,
const
ID
&
id
=
"non_local_manager"
,
const
MemoryID
&
memory_id
=
0
);
virtual
~
NonLocalManager
();
using
NeighborhoodMap
=
std
::
map
<
ID
,
std
::
unique_ptr
<
NonLocalNeighborhoodBase
>>
;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ----------------------------------------------------------------------- */
public
:
/// register a new internal needed for the weight computations
ElementTypeMapReal
&
registerWeightFunctionInternal
(
const
ID
&
field_name
);
/// register a non-local variable
void
registerNonLocalVariable
(
const
ID
&
variable_name
,
const
ID
&
nl_variable_name
,
UInt
nb_component
);
/// register non-local neighborhood
inline
void
registerNeighborhood
(
const
ID
&
neighborhood
,
const
ID
&
weight_func_id
);
// void registerNonLocalManagerCallback(NonLocalManagerCallback & callback);
/// average the internals and compute the non-local stresses
virtual
void
computeAllNonLocalStresses
();
/// initialize the non-local manager: compute pair lists and weights for all
/// neighborhoods
virtual
void
initialize
();
protected
:
/// create the grid synchronizers for each neighborhood
void
createNeighborhoodSynchronizers
();
/// compute the weights in each neighborhood for non-local averaging
void
computeWeights
();
/// compute the weights in each neighborhood for non-local averaging
void
updatePairLists
();
/// average the non-local variables
void
averageInternals
(
const
GhostType
&
ghost_type
=
_not_ghost
);
/// update the flattened version of the weight function internals
void
updateWeightFunctionInternals
();
protected
:
/// create a new neighborhood for a given domain ID
void
createNeighborhood
(
const
ID
&
weight_func
,
const
ID
&
neighborhood
);
/// set the values of the jacobians
void
setJacobians
(
const
FEEngine
&
fe_engine
,
const
ElementKind
&
kind
);
/// allocation of eelment type maps
// void initElementTypeMap(UInt nb_component,
// ElementTypeMapReal & element_map,
// const FEEngine & fe_engine,
// const ElementKind el_kind = _ek_regular);
/// resizing of element type maps
void
resizeElementTypeMap
(
UInt
nb_component
,
ElementTypeMapReal
&
element_map
,
const
FEEngine
&
fee
,
const
ElementKind
el_kind
=
_ek_regular
);
/// remove integration points from element type maps
void
removeIntegrationPointsFromMap
(
const
ElementTypeMapArray
<
UInt
>
&
new_numbering
,
UInt
nb_component
,
ElementTypeMapReal
&
element_map
,
const
FEEngine
&
fee
,
const
ElementKind
el_kind
=
_ek_regular
);
/// allocate the non-local variables
void
initNonLocalVariables
();
/// cleanup unneccessary ghosts
void
cleanupExtraGhostElements
(
ElementTypeMap
<
UInt
>
&
nb_ghost_protected
);
/* ------------------------------------------------------------------------ */
/* DataAccessor kind of interface */
/* ------------------------------------------------------------------------ */
public
:
/// get Nb data for synchronization in parallel
UInt
getNbData
(
const
Array
<
Element
>
&
elements
,
const
ID
&
id
)
const
;
/// pack data for synchronization in parallel
void
packData
(
CommunicationBuffer
&
buffer
,
const
Array
<
Element
>
&
elements
,
const
ID
&
id
)
const
;
/// unpack data for synchronization in parallel
void
unpackData
(
CommunicationBuffer
&
buffer
,
const
Array
<
Element
>
&
elements
,
const
ID
&
id
)
const
;
/* ------------------------------------------------------------------------ */
/* MeshEventHandler inherited members */
/* ------------------------------------------------------------------------ */
public
:
void
onElementsRemoved
(
const
Array
<
Element
>
&
element_list
,
const
ElementTypeMapArray
<
UInt
>
&
new_numbering
,
const
RemovedElementsEvent
&
event
)
override
;
void
onElementsAdded
(
const
Array
<
Element
>
&
element_list
,
const
NewElementsEvent
&
event
)
override
;
void
onElementsChanged
(
const
Array
<
Element
>
&
,
const
Array
<
Element
>
&
,
const
ElementTypeMapArray
<
UInt
>
&
,
const
ChangedElementsEvent
&
)
override
{}
void
onNodesAdded
(
const
Array
<
UInt
>
&
,
const
NewNodesEvent
&
)
override
{}
void
onNodesRemoved
(
const
Array
<
UInt
>
&
,
const
Array
<
UInt
>
&
,
const
RemovedNodesEvent
&
)
override
{};
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
AKANTU_GET_MACRO
(
SpatialDimension
,
spatial_dimension
,
UInt
);
AKANTU_GET_MACRO
(
Model
,
model
,
const
Model
&
);
AKANTU_GET_MACRO_NOT_CONST
(
Model
,
model
,
Model
&
);
AKANTU_GET_MACRO_NOT_CONST
(
Volumes
,
volumes
,
ElementTypeMapReal
&
)
AKANTU_GET_MACRO
(
NbStressCalls
,
compute_stress_calls
,
UInt
);
/// return the fem object associated with a provided name
inline
NonLocalNeighborhoodBase
&
getNeighborhood
(
const
ID
&
name
)
const
;
inline
const
Array
<
Real
>
&
getJacobians
(
const
ElementType
&
type
,
const
GhostType
&
ghost_type
)
{
return
*
jacobians
(
type
,
ghost_type
);
}
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private
:
/// the spatial dimension
const
UInt
spatial_dimension
;
protected
:
/// the non-local neighborhoods present
NeighborhoodMap
neighborhoods
;
/// list of all the non-local materials in the model
// std::vector<ID> non_local_materials;
struct
NonLocalVariable
{
NonLocalVariable
(
const
ID
&
variable_name
,
const
ID
&
nl_variable_name
,
const
ID
&
id
,
UInt
nb_component
)
:
local
(
variable_name
,
id
,
0
),
non_local
(
nl_variable_name
,
id
,
0
),
nb_component
(
nb_component
)
{}
ElementTypeMapReal
local
;
ElementTypeMapReal
non_local
;
UInt
nb_component
;
};
/// the non-local variables associated to a certain neighborhood
std
::
map
<
ID
,
std
::
unique_ptr
<
NonLocalVariable
>>
non_local_variables
;
/// reference to the model
Model
&
model
;
/// jacobians for all the elements in the mesh
ElementTypeMap
<
const
Array
<
Real
>
*>
jacobians
;
/// store the position of the quadrature points
ElementTypeMapReal
integration_points_positions
;
/// store the volume of each quadrature point for the non-local weight
/// normalization
ElementTypeMapReal
volumes
;
/// counter for computeStress calls
UInt
compute_stress_calls
;
/// map to store weight function types from input file
std
::
map
<
ID
,
ParserSection
>
weight_function_types
;
/// map to store the internals needed by the weight functions
std
::
map
<
ID
,
std
::
unique_ptr
<
ElementTypeMapReal
>>
weight_function_internals
;
/* --------------------------------------------------------------------------
*/
/// the following are members needed to make this processor participate in the
/// grid creation of neighborhoods he doesn't own as a member. For details see
/// createGridSynchronizers function
/// synchronizer registry for dummy grid synchronizers
std
::
unique_ptr
<
SynchronizerRegistry
>
dummy_registry
;
/// map of dummy synchronizers
std
::
map
<
ID
,
std
::
unique_ptr
<
GridSynchronizer
>>
dummy_synchronizers
;
/// dummy spatial grid
std
::
unique_ptr
<
SpatialGrid
<
IntegrationPoint
>>
dummy_grid
;
/// create a set of all neighborhoods present in the simulation
std
::
set
<
ID
>
global_neighborhoods
;
class
DummyDataAccessor
:
public
DataAccessor
<
Element
>
{
public
:
inline
UInt
getNbData
(
const
Array
<
Element
>
&
,
const
SynchronizationTag
&
)
const
override
{
return
0
;
};
inline
void
packData
(
CommunicationBuffer
&
,
const
Array
<
Element
>
&
,
const
SynchronizationTag
&
)
const
override
{};
inline
void
unpackData
(
CommunicationBuffer
&
,
const
Array
<
Element
>
&
,
const
SynchronizationTag
&
)
override
{};
};
DummyDataAccessor
dummy_accessor
;
/* ------------------------------------------------------------------------ */
NonLocalManagerCallback
*
callback
;
};
}
// namespace akantu
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "non_local_manager_inline_impl.cc"
#endif
/* __AKANTU_NON_LOCAL_MANAGER_HH__ */
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