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material_damage.cc
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Created
Sun, Aug 25, 21:19
Size
3 KB
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text/x-c
Expires
Tue, Aug 27, 21:19 (1 d, 21 h)
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20174310
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rAKA akantu
material_damage.cc
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/**
* @file material_damage.cc
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Marion Chambart <marion.chambart@epfl.ch>
* @date Tue Jul 27 11:53:52 2010
*
* @brief Specialization of the material class for the damage material
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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 "material_damage.hh"
#include "solid_mechanics_model.hh"
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
MaterialDamage
::
MaterialDamage
(
Model
&
model
,
const
MaterialID
&
id
)
:
MaterialElastic
(
model
,
id
)
{
AKANTU_DEBUG_IN
();
Yd
=
50
;
Sd
=
5000
;
initInternalVector
(
this
->
damage
,
1
,
"damage"
);
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
MaterialDamage
::
initMaterial
()
{
AKANTU_DEBUG_IN
();
MaterialElastic
::
initMaterial
();
resizeInternalVector
(
this
->
damage
);
is_init
=
true
;
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
MaterialDamage
::
computeStress
(
ElementType
el_type
,
GhostType
ghost_type
)
{
AKANTU_DEBUG_IN
();
Real
F
[
3
*
3
];
Real
sigma
[
3
*
3
];
Real
*
dam
;
dam
=
damage
(
el_type
,
ghost_type
)
->
values
;
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_BEGIN
;
memset
(
F
,
0
,
3
*
3
*
sizeof
(
Real
));
for
(
UInt
i
=
0
;
i
<
spatial_dimension
;
++
i
)
for
(
UInt
j
=
0
;
j
<
spatial_dimension
;
++
j
)
F
[
3
*
i
+
j
]
=
strain_val
[
spatial_dimension
*
i
+
j
];
computeStress
(
F
,
sigma
,
*
dam
);
++
dam
;
for
(
UInt
i
=
0
;
i
<
spatial_dimension
;
++
i
)
for
(
UInt
j
=
0
;
j
<
spatial_dimension
;
++
j
)
stress_val
[
spatial_dimension
*
i
+
j
]
=
sigma
[
3
*
i
+
j
];
MATERIAL_STRESS_QUADRATURE_POINT_LOOP_END
;
AKANTU_DEBUG_OUT
();
}
/* -------------------------------------------------------------------------- */
void
MaterialDamage
::
setParam
(
const
std
::
string
&
key
,
const
std
::
string
&
value
,
const
MaterialID
&
id
)
{
std
::
stringstream
sstr
(
value
);
if
(
key
==
"Yd"
)
{
sstr
>>
Yd
;
}
else
if
(
key
==
"Sd"
)
{
sstr
>>
Sd
;
}
else
{
MaterialElastic
::
setParam
(
key
,
value
,
id
);
}
}
/* -------------------------------------------------------------------------- */
void
MaterialDamage
::
printself
(
std
::
ostream
&
stream
,
int
indent
)
const
{
std
::
string
space
;
for
(
Int
i
=
0
;
i
<
indent
;
i
++
,
space
+=
AKANTU_INDENT
);
stream
<<
space
<<
"Material<_damage> ["
<<
std
::
endl
;
stream
<<
space
<<
" + Yd : "
<<
Yd
<<
std
::
endl
;
stream
<<
space
<<
" + Sd : "
<<
Sd
<<
std
::
endl
;
MaterialElastic
::
printself
(
stream
,
indent
+
1
);
stream
<<
space
<<
"]"
<<
std
::
endl
;
}
/* -------------------------------------------------------------------------- */
__END_AKANTU__
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