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coupler_solid_phasefield.hh
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rAKA akantu
coupler_solid_phasefield.hh
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/**
* @file solid_phase_coupler.hh
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Fri Sep 28 2018
* @date last modification: Fri Sep 28 2018
*
* @brief class for coupling of solid mechancis and phasefield model
*
* @section LICENSE
*
* Copyright (©) 2010-2018 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 "boundary_condition.hh"
#include "data_accessor.hh"
#include "fe_engine.hh"
#include "material.hh"
#include "material_phasefield.hh"
#include "model.hh"
#include "phase_field_model.hh"
#include "solid_mechanics_model.hh"
#include "sparse_matrix.hh"
#include "time_step_solver.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_COUPLER_SOLID_PHASEFIELD_HH__
#define __AKANTU_COUPLER_SOLID_PHASEFIELD_HH__
/* ------------------------------------------------------------------------ */
/* Coupling : Solid Mechanics / PhaseField */
/* ------------------------------------------------------------------------ */
namespace
akantu
{
template
<
ElementKind
kind
,
class
IntegrationOrderFunctor
>
class
IntegratorGauss
;
template
<
ElementKind
kind
>
class
ShapeLagrange
;
class
DOFManager
;
}
// namespace akantu
namespace
akantu
{
class
CouplerSolidPhaseField
:
public
Model
,
public
DataAccessor
<
Element
>
,
public
DataAccessor
<
UInt
>
,
public
BoundaryCondition
<
CouplerSolidPhaseField
>
{
/* ------------------------------------------------------------------------ */
/* Constructor/Destructors */
/* ------------------------------------------------------------------------ */
using
MyFEEngineType
=
FEEngineTemplate
<
IntegratorGauss
,
ShapeLagrange
>
;
public
:
CouplerSolidPhaseField
(
Mesh
&
mesh
,
UInt
spatial_dimension
=
_all_dimensions
,
const
ID
&
id
=
"coupler_solid_phasefield"
,
const
MemoryID
&
memory_id
=
0
,
const
ModelType
model_type
=
ModelType
::
_coupler_solid_phasefield
);
~
CouplerSolidPhaseField
()
override
;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
protected
:
/// initialize the complete model
void
initFullImpl
(
const
ModelOptions
&
options
)
override
;
/// initialize the modelType
void
initModel
()
override
;
/// get some default values for derived classes
std
::
tuple
<
ID
,
TimeStepSolverType
>
getDefaultSolverID
(
const
AnalysisMethod
&
method
)
override
;
/* ------------------------------------------------------------------------ */
/* Solver Interface */
/* ------------------------------------------------------------------------ */
public
:
/// assembles the contact stiffness matrix
virtual
void
assembleStiffnessMatrix
();
/// assembles the contant internal forces
virtual
void
assembleInternalForces
();
public
:
/// computes damage on quad points for solid mechanics model from
/// damage array from phasefield model
void
computeDamageOnQuadPoints
(
const
GhostType
&
);
/// computes strain on quadrature points for phasefield model from
/// displacement gradient from solid mechanics model
void
computeStrainOnQuadPoints
(
const
GhostType
&
ghost_type
);
/// solve the coupled model
void
solve
(
const
ID
&
solid_solver_id
=
""
,
const
ID
&
phase_solver_id
=
""
);
private
:
/// computes small strain from displacement gradient
void
gradUToEpsilon
(
const
Matrix
<
Real
>
&
grad_u
,
Matrix
<
Real
>
&
epsilon
);
/// test the convergence criteria
bool
checkConvergence
(
Array
<
Real
>
&
,
Array
<
Real
>
&
,
Array
<
Real
>
&
,
Array
<
Real
>
&
);
protected
:
/// callback for the solver, this adds f_{ext} - f_{int} to the residual
void
assembleResidual
()
override
;
/// callback for the solver, this adds f_{ext} or f_{int} to the residual
void
assembleResidual
(
const
ID
&
residual_part
)
override
;
bool
canSplitResidual
()
override
{
return
true
;
}
/// get the type of matrix needed
MatrixType
getMatrixType
(
const
ID
&
matrix_id
)
override
;
/// callback for the solver, this assembles different matrices
void
assembleMatrix
(
const
ID
&
matrix_id
)
override
;
/// callback for the solver, this assembles the stiffness matrix
void
assembleLumpedMatrix
(
const
ID
&
matrix_id
)
override
;
/// callback for the model to instantiate the matricess when needed
void
initSolver
(
TimeStepSolverType
,
NonLinearSolverType
)
override
;
/// callback for the solver, this is called at beginning of solve
void
predictor
()
override
;
/// callback for the solver, this is called at end of solve
void
corrector
()
override
;
/// callback for the solver, this is called at beginning of solve
void
beforeSolveStep
()
override
;
/// callback for the solver, this is called at end of solve
void
afterSolveStep
(
bool
converged
=
true
)
override
;
/// solve the coupled model
//void solveStep(const ID & solver_id = "") override;
/// solve a step using a given pre instantiated time step solver and
/// non linear solver with a user defined callback instead of the
/// model itself /!\ This can mess up everything
//void solveStep(SolverCallback & callback, const ID & solver_id = "") override;
/* ------------------------------------------------------------------------ */
/* Mass matrix for solid mechanics model */
/* ------------------------------------------------------------------------ */
public
:
/// assemble the lumped mass matrix
void
assembleMassLumped
();
/// assemble the mass matrix for consistent mass resolutions
void
assembleMass
();
protected
:
/// assemble the lumped mass matrix for local and ghost elements
void
assembleMassLumped
(
GhostType
ghost_type
);
/// assemble the mass matrix for either _ghost or _not_ghost elements
void
assembleMass
(
GhostType
ghost_type
);
protected
:
/* --------------------------------------------------------------------------
*/
TimeStepSolverType
getDefaultSolverType
()
const
override
;
/* --------------------------------------------------------------------------
*/
ModelSolverOptions
getDefaultSolverOptions
(
const
TimeStepSolverType
&
type
)
const
;
public
:
bool
isDefaultSolverExplicit
()
{
return
method
==
_explicit_lumped_mass
;
}
/* ------------------------------------------------------------------------ */
public
:
// DataAccessor<Element>
UInt
getNbData
(
const
Array
<
Element
>
&
,
const
SynchronizationTag
&
)
const
override
{
return
0
;
}
void
packData
(
CommunicationBuffer
&
,
const
Array
<
Element
>
&
,
const
SynchronizationTag
&
)
const
override
{}
void
unpackData
(
CommunicationBuffer
&
,
const
Array
<
Element
>
&
,
const
SynchronizationTag
&
)
override
{}
UInt
getNbData
(
__attribute__
((
unused
))
const
Array
<
UInt
>
&
indexes
,
__attribute__
((
unused
))
const
SynchronizationTag
&
tag
)
const
override
{
return
0
;
}
void
packData
(
__attribute__
((
unused
))
CommunicationBuffer
&
buffer
,
__attribute__
((
unused
))
const
Array
<
UInt
>
&
dofs
,
__attribute__
((
unused
))
const
SynchronizationTag
&
tag
)
const
override
{}
void
unpackData
(
__attribute__
((
unused
))
CommunicationBuffer
&
buffer
,
__attribute__
((
unused
))
const
Array
<
UInt
>
&
dofs
,
__attribute__
((
unused
))
const
SynchronizationTag
&
tag
)
override
{}
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
FEEngine
&
getFEEngineBoundary
(
const
ID
&
name
=
""
)
override
;
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public
:
/// return the dimension of the system space
AKANTU_GET_MACRO
(
SpatialDimension
,
Model
::
spatial_dimension
,
UInt
);
/// get the solid mechanics model
AKANTU_GET_MACRO
(
SolidMechanicsModel
,
*
solid
,
SolidMechanicsModel
&
);
/// get the contact mechanics model
AKANTU_GET_MACRO
(
PhaseFieldModel
,
*
phase
,
PhaseFieldModel
&
);
/* ------------------------------------------------------------------------ */
/* Dumpable interface */
/* ------------------------------------------------------------------------ */
public
:
std
::
shared_ptr
<
dumpers
::
Field
>
createNodalFieldReal
(
const
std
::
string
&
field_name
,
const
std
::
string
&
group_name
,
bool
padding_flag
)
override
;
std
::
shared_ptr
<
dumpers
::
Field
>
createNodalFieldBool
(
const
std
::
string
&
field_name
,
const
std
::
string
&
group_name
,
bool
padding_flag
)
override
;
std
::
shared_ptr
<
dumpers
::
Field
>
createElementalField
(
const
std
::
string
&
field_name
,
const
std
::
string
&
group_name
,
bool
padding_flag
,
UInt
spatial_dimension
,
ElementKind
kind
)
override
;
virtual
void
dump
(
const
std
::
string
&
dumper_name
);
virtual
void
dump
(
const
std
::
string
&
dumper_name
,
UInt
step
);
virtual
void
dump
(
const
std
::
string
&
dumper_name
,
Real
time
,
UInt
step
);
void
dump
()
override
;
virtual
void
dump
(
UInt
step
);
virtual
void
dump
(
Real
time
,
UInt
step
);
/* ------------------------------------------------------------------------ */
/* Members */
/* ------------------------------------------------------------------------ */
private
:
/// solid mechanics model
SolidMechanicsModel
*
solid
{
nullptr
};
/// phasefield model
PhaseFieldModel
*
phase
{
nullptr
};
Array
<
Real
>
*
displacement
{
nullptr
};
///
Array
<
Real
>
*
displacement_increment
{
nullptr
};
/// external forces array
Array
<
Real
>
*
external_force
{
nullptr
};
};
}
// namespace akantu
#endif
/* __AKANTU_COUPLER_SOLID_PHASEFIELD_HH__ */
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