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material_orthotropic_damage_iterative_non_local_inline_impl.hh
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Mon, Aug 19, 20:50
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rAKA akantu
material_orthotropic_damage_iterative_non_local_inline_impl.hh
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/**
* @file material_orthotropic_damage_iterative_non_local_inline_impl.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
*
*
* @brief MaterialOrthotropicDamageIterativeNonLocal inline function
* implementation
*
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
}
// namespace akantu
#if defined(AKANTU_DEBUG_TOOLS)
#include "aka_debug_tools.hh"
#include <string>
#endif
namespace
akantu
{
/* -------------------------------------------------------------------------- */
template
<
UInt
spatial_dimension
>
MaterialOrthotropicDamageIterativeNonLocal
<
spatial_dimension
>::
MaterialOrthotropicDamageIterativeNonLocal
(
SolidMechanicsModel
&
model
,
const
ID
&
id
)
:
Material
(
model
,
id
),
MaterialOrthotropicDamageIterativeNonLocalParent
(
model
,
id
),
grad_u_nl
(
"grad_u non local"
,
*
this
)
{
AKANTU_DEBUG_IN
();
this
->
is_non_local
=
true
;
this
->
grad_u_nl
.
initialize
(
spatial_dimension
*
spatial_dimension
);
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
spatial_dimension
>
void
MaterialOrthotropicDamageIterativeNonLocal
<
spatial_dimension
>::
initMaterial
()
{
AKANTU_DEBUG_IN
();
this
->
model
.
getNonLocalManager
().
registerNonLocalVariable
(
this
->
gradu
.
getName
(),
grad_u_nl
.
getName
(),
spatial_dimension
*
spatial_dimension
);
MaterialOrthotropicDamageIterativeNonLocalParent
::
initMaterial
();
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
spatial_dimension
>
void
MaterialOrthotropicDamageIterativeNonLocal
<
spatial_dimension
>::
computeStress
(
ElementType
type
,
GhostType
ghost_type
)
{
AKANTU_DEBUG_IN
();
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
spatial_dimension
>
void
MaterialOrthotropicDamageIterativeNonLocal
<
spatial_dimension
>::
computeNonLocalStress
(
ElementType
el_type
,
GhostType
ghost_type
)
{
AKANTU_DEBUG_IN
();
MaterialOrthotropicDamage
<
spatial_dimension
>::
computeStress
(
el_type
,
ghost_type
);
Array
<
Real
>::
matrix_iterator
damage_iterator
=
this
->
damage
(
el_type
,
ghost_type
)
.
begin
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
Array
<
Real
>::
matrix_iterator
damage_dir_it
=
this
->
damage_dir_vecs
(
el_type
,
ghost_type
)
.
begin
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
/// for the computation of the Cauchy stress the matrices (1-D) and
/// (1-D)^(1/2) are needed. For the formulation see Engineering
/// Damage Mechanics by Lemaitre and Desmorat.
Matrix
<
Real
>
one_minus_D
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
Matrix
<
Real
>
sqrt_one_minus_D
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
Matrix
<
Real
>
one_minus_D_rotated
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
Matrix
<
Real
>
sqrt_one_minus_D_rotated
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
Matrix
<
Real
>
rotation_tmp
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
/// create matrix to store the first term of the computation of the
/// Cauchy stress
Matrix
<
Real
>
first_term
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
Matrix
<
Real
>
third_term
(
this
->
spatial_dimension
,
this
->
spatial_dimension
);
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_BEGIN
(
el_type
,
ghost_type
);
/// rotate the tensors from the damage principal coordinate system to the CS
/// of the computation
if
(
!
(
Math
::
are_float_equal
((
*
damage_iterator
).
trace
(),
0
)))
{
/// compute (1-D) and (1-D)^1/2
this
->
computeOneMinusD
(
one_minus_D
,
*
damage_iterator
);
this
->
computeSqrtOneMinusD
(
one_minus_D
,
sqrt_one_minus_D
);
this
->
rotateIntoComputationFrame
(
one_minus_D
,
one_minus_D_rotated
,
*
damage_dir_it
,
rotation_tmp
);
this
->
rotateIntoComputationFrame
(
sqrt_one_minus_D
,
sqrt_one_minus_D_rotated
,
*
damage_dir_it
,
rotation_tmp
);
}
else
{
MaterialOrthotropicDamage
<
spatial_dimension
>::
computeOneMinusD
(
one_minus_D_rotated
,
*
damage_iterator
);
MaterialOrthotropicDamage
<
spatial_dimension
>::
computeSqrtOneMinusD
(
one_minus_D_rotated
,
sqrt_one_minus_D_rotated
);
}
this
->
computeDamageAndStressOnQuad
(
sigma
,
one_minus_D_rotated
,
sqrt_one_minus_D_rotated
,
*
damage_iterator
,
first_term
,
third_term
);
++
damage_dir_it
;
++
damage_iterator
;
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_END
;
this
->
computeNormalizedEquivalentStress
(
this
->
grad_u_nl
(
el_type
,
ghost_type
),
el_type
,
ghost_type
);
this
->
norm_max_equivalent_stress
=
0
;
this
->
findMaxNormalizedEquivalentStress
(
el_type
,
ghost_type
);
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
spatial_dimension
>
void
MaterialOrthotropicDamageIterativeNonLocal
<
spatial_dimension
>::
nonLocalVariableToNeighborhood
()
{
this
->
model
.
getNonLocalManager
().
nonLocalVariableToNeighborhood
(
grad_u_nl
.
getName
(),
this
->
name
);
}
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