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shape_functions_inline_impl.cc
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rAKA akantu
shape_functions_inline_impl.cc
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/**
* @file shape_functions_inline_impl.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Fabian Barras <fabian.barras@epfl.ch>
*
* @date creation: Fri Jul 15 2011
* @date last modification: Fri Jun 13 2014
*
* @brief ShapeFunctions inline implementation
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 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/>.
*
*/
/* -------------------------------------------------------------------------- */
__END_AKANTU__
#include "fe_engine.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
inline
UInt
ShapeFunctions
::
getShapeSize
(
const
ElementType
&
type
)
{
AKANTU_DEBUG_IN
();
UInt
shape_size
=
0
;
#define GET_SHAPE_SIZE(type) \
shape_size = ElementClass<type>::getShapeSize()
AKANTU_BOOST_ALL_ELEMENT_SWITCH
(
GET_SHAPE_SIZE
);
// ,
#undef GET_SHAPE_SIZE
AKANTU_DEBUG_OUT
();
return
shape_size
;
}
/* -------------------------------------------------------------------------- */
inline
UInt
ShapeFunctions
::
getShapeDerivativesSize
(
const
ElementType
&
type
)
{
AKANTU_DEBUG_IN
();
UInt
shape_derivatives_size
=
0
;
#define GET_SHAPE_DERIVATIVES_SIZE(type) \
shape_derivatives_size = ElementClass<type>::getShapeDerivativesSize()
AKANTU_BOOST_ALL_ELEMENT_SWITCH
(
GET_SHAPE_DERIVATIVES_SIZE
);
// ,
#undef GET_SHAPE_DERIVATIVES_SIZE
AKANTU_DEBUG_OUT
();
return
shape_derivatives_size
;
}
/* -------------------------------------------------------------------------- */
template
<
ElementType
type
>
void
ShapeFunctions
::
setControlPointsByType
(
const
Matrix
<
Real
>
&
points
,
const
GhostType
&
ghost_type
)
{
control_points
(
type
,
ghost_type
).
shallowCopy
(
points
);
}
/* -------------------------------------------------------------------------- */
template
<
ElementType
type
>
void
ShapeFunctions
::
interpolateElementalFieldOnControlPoints
(
const
Array
<
Real
>
&
u_el
,
Array
<
Real
>
&
uq
,
GhostType
ghost_type
,
const
Array
<
Real
>
&
shapes
,
const
Array
<
UInt
>
&
filter_elements
)
const
{
UInt
nb_element
;
UInt
nb_points
=
control_points
(
type
,
ghost_type
).
cols
();
UInt
nb_nodes_per_element
=
ElementClass
<
type
>::
getShapeSize
();
UInt
nb_degree_of_freedom
=
u_el
.
getNbComponent
()
/
nb_nodes_per_element
;
Array
<
Real
>::
const_matrix_iterator
N_it
;
Array
<
Real
>::
const_matrix_iterator
u_it
;
Array
<
Real
>::
matrix_iterator
inter_u_it
;
Array
<
Real
>
*
filtered_N
=
NULL
;
if
(
filter_elements
!=
empty_filter
)
{
nb_element
=
filter_elements
.
getSize
();
filtered_N
=
new
Array
<
Real
>
(
0
,
shapes
.
getNbComponent
());
FEEngine
::
filterElementalData
(
mesh
,
shapes
,
*
filtered_N
,
type
,
ghost_type
,
filter_elements
);
N_it
=
filtered_N
->
begin_reinterpret
(
nb_nodes_per_element
,
nb_points
,
nb_element
);
}
else
{
nb_element
=
mesh
.
getNbElement
(
type
,
ghost_type
);
N_it
=
shapes
.
begin_reinterpret
(
nb_nodes_per_element
,
nb_points
,
nb_element
);
}
uq
.
resize
(
nb_element
*
nb_points
);
u_it
=
u_el
.
begin
(
nb_degree_of_freedom
,
nb_nodes_per_element
);
inter_u_it
=
uq
.
begin_reinterpret
(
nb_degree_of_freedom
,
nb_points
,
nb_element
);
for
(
UInt
el
=
0
;
el
<
nb_element
;
++
el
,
++
N_it
,
++
u_it
,
++
inter_u_it
)
{
const
Matrix
<
Real
>
&
u
=
*
u_it
;
const
Matrix
<
Real
>
&
N
=
*
N_it
;
Matrix
<
Real
>
&
inter_u
=
*
inter_u_it
;
inter_u
.
mul
<
false
,
false
>
(
u
,
N
);
}
delete
filtered_N
;
}
/* -------------------------------------------------------------------------- */
template
<
ElementType
type
>
void
ShapeFunctions
::
gradientElementalFieldOnControlPoints
(
const
Array
<
Real
>
&
u_el
,
Array
<
Real
>
&
out_nablauq
,
GhostType
ghost_type
,
const
Array
<
Real
>
&
shapes_derivatives
,
const
Array
<
UInt
>
&
filter_elements
)
const
{
AKANTU_DEBUG_IN
();
UInt
nb_nodes_per_element
=
ElementClass
<
type
>::
getNbNodesPerInterpolationElement
();
UInt
nb_points
=
control_points
(
type
,
ghost_type
).
cols
();
UInt
element_dimension
=
ElementClass
<
type
>::
getNaturalSpaceDimension
();
UInt
nb_degree_of_freedom
=
u_el
.
getNbComponent
()
/
nb_nodes_per_element
;
Array
<
Real
>::
const_matrix_iterator
B_it
;
Array
<
Real
>::
const_matrix_iterator
u_it
;
Array
<
Real
>::
matrix_iterator
nabla_u_it
;
UInt
nb_element
;
Array
<
Real
>
*
filtered_B
=
NULL
;
if
(
filter_elements
!=
empty_filter
)
{
nb_element
=
filter_elements
.
getSize
();
filtered_B
=
new
Array
<
Real
>
(
0
,
shapes_derivatives
.
getNbComponent
());
FEEngine
::
filterElementalData
(
mesh
,
shapes_derivatives
,
*
filtered_B
,
type
,
ghost_type
,
filter_elements
);
B_it
=
filtered_B
->
begin
(
element_dimension
,
nb_nodes_per_element
);
}
else
{
B_it
=
shapes_derivatives
.
begin
(
element_dimension
,
nb_nodes_per_element
);
nb_element
=
mesh
.
getNbElement
(
type
,
ghost_type
);
}
out_nablauq
.
resize
(
nb_element
*
nb_points
);
u_it
=
u_el
.
begin
(
nb_degree_of_freedom
,
nb_nodes_per_element
);
nabla_u_it
=
out_nablauq
.
begin
(
nb_degree_of_freedom
,
element_dimension
);
for
(
UInt
el
=
0
;
el
<
nb_element
;
++
el
,
++
u_it
)
{
const
Matrix
<
Real
>
&
u
=
*
u_it
;
for
(
UInt
q
=
0
;
q
<
nb_points
;
++
q
,
++
B_it
,
++
nabla_u_it
)
{
const
Matrix
<
Real
>
&
B
=
*
B_it
;
Matrix
<
Real
>
&
nabla_u
=
*
nabla_u_it
;
nabla_u
.
mul
<
false
,
true
>
(
u
,
B
);
}
}
delete
filtered_B
;
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
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