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phasefield_selector.hh
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rAKA akantu
phasefield_selector.hh
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/**
* @file phasefield_selector.hh
*
* @author Mohit Pundir <mohit.pundir@epfl.ch>
*
* @date creation: Sun Mar 1 2020
* @date last modification: Sun Mar 1 2020
*
* @brief class describing how to choose a phasefield variable
* function for a given element
*
* @section LICENSE
*
* Copyright (©) 2014-2018 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 "element.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
#include <memory>
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_PHASEFIELD_SELECTOR_HH__
#define __AKANTU_PHASEFIELD_SELECTOR_HH__
namespace
akantu
{
class
PhaseFieldModel
;
}
// namespace akantu
/* -------------------------------------------------------------------------- */
namespace
akantu
{
/**
* main class to assign same or different phasefield constitutive laws to
* different elements
*/
class
PhaseFieldSelector
:
public
std
::
enable_shared_from_this
<
PhaseFieldSelector
>
{
public
:
PhaseFieldSelector
()
=
default
;
virtual
~
PhaseFieldSelector
()
=
default
;
virtual
inline
UInt
operator
()(
const
Element
&
element
)
{
if
(
fallback_selector
)
{
return
(
*
fallback_selector
)(
element
);
}
return
fallback_value
;
}
inline
void
setFallback
(
UInt
f
)
{
fallback_value
=
f
;
}
inline
void
setFallback
(
const
std
::
shared_ptr
<
PhaseFieldSelector
>
&
fallback_selector
)
{
this
->
fallback_selector
=
fallback_selector
;
}
inline
void
setFallback
(
PhaseFieldSelector
&
fallback_selector
)
{
this
->
fallback_selector
=
fallback_selector
.
shared_from_this
();
}
inline
std
::
shared_ptr
<
PhaseFieldSelector
>
&
getFallbackSelector
()
{
return
this
->
fallback_selector
;
}
inline
UInt
getFallbackValue
()
const
{
return
this
->
fallback_value
;
}
protected
:
UInt
fallback_value
{
0
};
std
::
shared_ptr
<
PhaseFieldSelector
>
fallback_selector
;
};
/* -------------------------------------------------------------------------- */
/**
* class that assigns the first phasefield to regular elements by default
*/
class
DefaultPhaseFieldSelector
:
public
PhaseFieldSelector
{
public
:
explicit
DefaultPhaseFieldSelector
(
const
ElementTypeMapArray
<
UInt
>
&
phasefield_index
)
:
phasefield_index
(
phasefield_index
)
{}
UInt
operator
()(
const
Element
&
element
)
override
{
if
(
not
phasefield_index
.
exists
(
element
.
type
,
element
.
ghost_type
))
{
return
PhaseFieldSelector
::
operator
()(
element
);
}
const
auto
&
phase_indexes
=
phasefield_index
(
element
.
type
,
element
.
ghost_type
);
if
(
element
.
element
<
phase_indexes
.
size
())
{
auto
&&
tmp_phase
=
phase_indexes
(
element
.
element
);
if
(
tmp_phase
!=
UInt
(
-
1
))
{
return
tmp_phase
;
}
}
return
PhaseFieldSelector
::
operator
()(
element
);
}
private
:
const
ElementTypeMapArray
<
UInt
>
&
phasefield_index
;
};
/* -------------------------------------------------------------------------- */
/**
* Use elemental data to assign phasefields
*/
template
<
typename
T
>
class
ElementDataPhaseFieldSelector
:
public
PhaseFieldSelector
{
public
:
ElementDataPhaseFieldSelector
(
const
ElementTypeMapArray
<
T
>
&
element_data
,
const
PhaseFieldModel
&
model
,
UInt
first_index
=
1
)
:
element_data
(
element_data
),
model
(
model
),
first_index
(
first_index
)
{}
inline
T
elementData
(
const
Element
&
element
)
{
DebugLevel
dbl
=
debug
::
getDebugLevel
();
debug
::
setDebugLevel
(
dblError
);
T
data
=
element_data
(
element
.
type
,
element
.
ghost_type
)(
element
.
element
);
debug
::
setDebugLevel
(
dbl
);
return
data
;
}
inline
UInt
operator
()(
const
Element
&
element
)
override
{
return
PhaseFieldSelector
::
operator
()(
element
);
}
protected
:
/// list of element with the specified data (i.e. tag value)
const
ElementTypeMapArray
<
T
>
&
element_data
;
/// the model that the materials belong
const
PhaseFieldModel
&
model
;
/// first phasefield index: equal to 1 if none specified
UInt
first_index
;
};
/* -------------------------------------------------------------------------- */
/**
* class to use mesh data information to assign different phasefields
* where name is the tag value: tag_0, tag_1
*/
template
<
typename
T
>
class
MeshDataPhaseFieldSelector
:
public
ElementDataPhaseFieldSelector
<
T
>
{
public
:
MeshDataPhaseFieldSelector
(
const
std
::
string
&
name
,
const
PhaseFieldModel
&
model
,
UInt
first_index
=
1
);
};
}
// namespace akantu
#endif
/* __AKANTU_PHASEFIELD_SELECTOR_HH__ */
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