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fe_engine_template_cohesive.cc
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rAKA akantu
fe_engine_template_cohesive.cc
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/**
* @file fe_engine_template_cohesive.cc
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Wed Oct 31 2012
* @date last modification: Thu Oct 15 2015
*
* @brief Specialization of the FEEngineTemplate for cohesive element
*
* @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 "fe_engine_template.hh"
#include "shape_cohesive.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
/* compatibility functions */
/* -------------------------------------------------------------------------- */
template
<>
Real
FEEngineTemplate
<
IntegratorGauss
,
ShapeLagrange
,
_ek_cohesive
>::
integrate
(
const
Array
<
Real
>
&
f
,
const
ElementType
&
type
,
const
GhostType
&
ghost_type
,
const
Array
<
UInt
>
&
filter_elements
)
const
{
AKANTU_DEBUG_IN
();
#ifndef AKANTU_NDEBUG
UInt
nb_element
=
mesh
.
getNbElement
(
type
,
ghost_type
);
if
(
filter_elements
!=
empty_filter
)
nb_element
=
filter_elements
.
getSize
();
UInt
nb_quadrature_points
=
getNbIntegrationPoints
(
type
);
AKANTU_DEBUG_ASSERT
(
f
.
getSize
()
==
nb_element
*
nb_quadrature_points
,
"The vector f("
<<
f
.
getID
()
<<
") has not the good size."
);
AKANTU_DEBUG_ASSERT
(
f
.
getNbComponent
()
==
1
,
"The vector f("
<<
f
.
getID
()
<<
") has not the good number of component."
);
#endif
Real
integral
=
0.
;
#define INTEGRATE(type) \
integral = integrator. integrate<type>(f, \
ghost_type, \
filter_elements);
AKANTU_BOOST_COHESIVE_ELEMENT_SWITCH
(
INTEGRATE
);
#undef INTEGRATE
AKANTU_DEBUG_OUT
();
return
integral
;
}
/* -------------------------------------------------------------------------- */
template
<>
void
FEEngineTemplate
<
IntegratorGauss
,
ShapeLagrange
,
_ek_cohesive
>
::
integrate
(
const
Array
<
Real
>
&
f
,
Array
<
Real
>
&
intf
,
UInt
nb_degree_of_freedom
,
const
ElementType
&
type
,
const
GhostType
&
ghost_type
,
const
Array
<
UInt
>
&
filter_elements
)
const
{
#ifndef AKANTU_NDEBUG
UInt
nb_element
=
mesh
.
getNbElement
(
type
,
ghost_type
);
if
(
filter_elements
==
filter_elements
)
nb_element
=
filter_elements
.
getSize
();
UInt
nb_quadrature_points
=
getNbIntegrationPoints
(
type
);
AKANTU_DEBUG_ASSERT
(
f
.
getSize
()
==
nb_element
*
nb_quadrature_points
,
"The vector f("
<<
f
.
getID
()
<<
" size "
<<
f
.
getSize
()
<<
") has not the good size ("
<<
nb_element
<<
")."
);
AKANTU_DEBUG_ASSERT
(
f
.
getNbComponent
()
==
nb_degree_of_freedom
,
"The vector f("
<<
f
.
getID
()
<<
") has not the good number of component."
);
AKANTU_DEBUG_ASSERT
(
intf
.
getNbComponent
()
==
nb_degree_of_freedom
,
"The vector intf("
<<
intf
.
getID
()
<<
") has not the good number of component."
);
AKANTU_DEBUG_ASSERT
(
intf
.
getSize
()
==
nb_element
,
"The vector intf("
<<
intf
.
getID
()
<<
") has not the good size."
);
#endif
#define INTEGRATE(type) \
integrator. integrate<type>(f, \
intf, \
nb_degree_of_freedom, \
ghost_type, \
filter_elements);
AKANTU_BOOST_COHESIVE_ELEMENT_SWITCH
(
INTEGRATE
);
#undef INTEGRATE
}
/* -------------------------------------------------------------------------- */
template
<>
void
FEEngineTemplate
<
IntegratorGauss
,
ShapeLagrange
,
_ek_cohesive
>::
gradientOnIntegrationPoints
(
__attribute__
((
unused
))
const
Array
<
Real
>
&
u
,
__attribute__
((
unused
))
Array
<
Real
>
&
nablauq
,
__attribute__
((
unused
))
const
UInt
nb_degree_of_freedom
,
__attribute__
((
unused
))
const
ElementType
&
type
,
__attribute__
((
unused
))
const
GhostType
&
ghost_type
,
__attribute__
((
unused
))
const
Array
<
UInt
>
&
filter_elements
)
const
{
AKANTU_DEBUG_TO_IMPLEMENT
();
}
/* -------------------------------------------------------------------------- */
template
<>
template
<>
void
FEEngineTemplate
<
IntegratorGauss
,
ShapeLagrange
,
_ek_cohesive
>::
computeNormalsOnIntegrationPoints
<
_cohesive_1d_2
>
(
__attribute__
((
unused
))
const
Array
<
Real
>
&
field
,
Array
<
Real
>
&
normal
,
const
GhostType
&
ghost_type
)
const
{
AKANTU_DEBUG_IN
();
AKANTU_DEBUG_ASSERT
(
mesh
.
getSpatialDimension
()
==
1
,
"Mesh dimension must be 1 to compute normals on 1D cohesive elements!"
);
const
ElementType
type
=
_cohesive_1d_2
;
const
ElementType
facet_type
=
Mesh
::
getFacetType
(
type
);
UInt
nb_element
=
mesh
.
getConnectivity
(
type
,
ghost_type
).
getSize
();
normal
.
resize
(
nb_element
);
Array
<
Element
>
&
facets
=
mesh
.
getMeshFacets
().
getSubelementToElement
(
type
,
ghost_type
);
Array
<
std
::
vector
<
Element
>
>
&
segments
=
mesh
.
getMeshFacets
().
getElementToSubelement
(
facet_type
,
ghost_type
);
Real
values
[
2
];
for
(
UInt
elem
=
0
;
elem
<
nb_element
;
++
elem
)
{
for
(
UInt
p
=
0
;
p
<
2
;
++
p
)
{
Element
f
=
facets
(
elem
,
p
);
Element
seg
=
segments
(
f
.
element
)[
0
];
mesh
.
getBarycenter
(
seg
.
element
,
seg
.
type
,
&
(
values
[
p
]),
seg
.
ghost_type
);
}
Real
difference
=
values
[
0
]
-
values
[
1
];
AKANTU_DEBUG_ASSERT
(
difference
!=
0.
,
"Error in normal computation for cohesive elements"
);
normal
(
elem
)
=
difference
/
std
::
abs
(
difference
);
}
AKANTU_DEBUG_OUT
();
}
__END_AKANTU__
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