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integrator_gauss_igfem.hh
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rAKA akantu
integrator_gauss_igfem.hh
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/**
* @file integrator_gauss_igfem.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
*
*
* @brief Gauss integration facilities for IGFEM
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_INTEGRATOR_IGFEM_HH__
#define __AKANTU_INTEGRATOR_IGFEM_HH__
/* -------------------------------------------------------------------------- */
#include "integrator.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_AKANTU__
template
<>
class
IntegratorGauss
<
_ek_igfem
>
:
public
Integrator
{
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public
:
IntegratorGauss
(
const
Mesh
&
mesh
,
const
ID
&
id
=
"integrator_gauss"
,
const
MemoryID
&
memory_id
=
0
);
virtual
~
IntegratorGauss
(){};
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public
:
inline
void
initIntegrator
(
const
Array
<
Real
>
&
nodes
,
const
ElementType
&
type
,
const
GhostType
&
ghost_type
);
/// precompute jacobians on elements of type "type"
template
<
ElementType
type
>
void
precomputeJacobiansOnQuadraturePoints
(
const
Array
<
Real
>
&
nodes
,
const
GhostType
&
ghost_type
);
/// integrate f on the element "elem" of type "type"
template
<
ElementType
type
>
inline
void
integrateOnElement
(
const
Array
<
Real
>
&
f
,
Real
*
intf
,
UInt
nb_degree_of_freedom
,
const
UInt
elem
,
const
GhostType
&
ghost_type
)
const
;
/// integrate f for all elements of type "type"
template
<
ElementType
type
>
void
integrate
(
const
Array
<
Real
>
&
in_f
,
Array
<
Real
>
&
intf
,
UInt
nb_degree_of_freedom
,
const
GhostType
&
ghost_type
,
const
Array
<
UInt
>
&
filter_elements
)
const
;
/// integrate one element scalar value on all elements of type "type"
template
<
ElementType
type
>
Real
integrate
(
const
Vector
<
Real
>
&
in_f
,
UInt
index
,
const
GhostType
&
ghost_type
)
const
;
/// integrate scalar field in_f
template
<
ElementType
type
>
Real
integrate
(
const
Array
<
Real
>
&
in_f
,
const
GhostType
&
ghost_type
,
const
Array
<
UInt
>
&
filter_elements
)
const
;
/// integrate partially around a quadrature point (@f$ intf_q = f_q * J_q * w_q @f$)
template
<
ElementType
type
>
void
integrateOnQuadraturePoints
(
const
Array
<
Real
>
&
in_f
,
Array
<
Real
>
&
intf
,
UInt
nb_degree_of_freedom
,
const
GhostType
&
ghost_type
,
const
Array
<
UInt
>
&
filter_elements
)
const
;
/// return a vector with quadrature points natural coordinates
template
<
ElementType
type
>
const
Matrix
<
Real
>
&
getQuadraturePoints
(
const
GhostType
&
ghost_type
)
const
;
/// compute the vector of quadrature points natural coordinates
template
<
ElementType
type
>
void
computeQuadraturePoints
(
const
GhostType
&
ghost_type
);
/// check that the jacobians are not negative
template
<
ElementType
type
>
void
checkJacobians
(
const
GhostType
&
ghost_type
)
const
;
public
:
/// compute the jacobians on quad points for a given element
template
<
ElementType
type
>
void
computeJacobianOnQuadPointsByElement
(
const
Matrix
<
Real
>
&
node_coords
,
Vector
<
Real
>
&
jacobians
);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected
:
inline
void
integrate
(
Real
*
f
,
Real
*
jac
,
Real
*
inte
,
UInt
nb_degree_of_freedom
,
UInt
nb_quadrature_points
)
const
;
private
:
ElementTypeMap
<
Matrix
<
Real
>
>
quadrature_points
;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "integrator_gauss_igfem_inline_impl.cc"
__END_AKANTU__
#endif
/*__AKANTU_INTEGRATOR_IGFEM_HH__ */
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
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