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material_thermal.cc
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rAKA akantu
material_thermal.cc
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/**
* @file material_thermal.cc
*
* @author Lucas Frerot <lucas.frerot@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Fri Apr 09 2021
*
* @brief Specialization of the material class for the thermal material
*
*
* @section LICENSE
*
* Copyright (©) 2010-2021 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_thermal.hh"
namespace
akantu
{
/* -------------------------------------------------------------------------- */
template
<
UInt
dim
>
MaterialThermal
<
dim
>::
MaterialThermal
(
SolidMechanicsModel
&
model
,
const
ID
&
id
)
:
Material
(
model
,
id
),
delta_T
(
"delta_T"
,
*
this
),
sigma_th
(
"sigma_th"
,
*
this
),
use_previous_stress_thermal
(
false
)
{
this
->
initialize
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
dim
>
MaterialThermal
<
dim
>::
MaterialThermal
(
SolidMechanicsModel
&
model
,
UInt
spatial_dimension
,
const
Mesh
&
mesh
,
FEEngine
&
fe_engine
,
const
ID
&
id
)
:
Material
(
model
,
spatial_dimension
,
mesh
,
fe_engine
,
id
),
delta_T
(
"delta_T"
,
*
this
,
dim
,
fe_engine
,
this
->
element_filter
),
sigma_th
(
"sigma_th"
,
*
this
,
dim
,
fe_engine
,
this
->
element_filter
),
use_previous_stress_thermal
(
false
)
{
this
->
initialize
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
dim
>
void
MaterialThermal
<
dim
>::
initialize
()
{
this
->
registerParam
(
"E"
,
E
,
Real
(
0.
),
_pat_parsable
|
_pat_modifiable
,
"Young's modulus"
);
this
->
registerParam
(
"nu"
,
nu
,
Real
(
0.5
),
_pat_parsable
|
_pat_modifiable
,
"Poisson's ratio"
);
this
->
registerParam
(
"alpha"
,
alpha
,
Real
(
0.
),
_pat_parsable
|
_pat_modifiable
,
"Thermal expansion coefficient"
);
this
->
registerParam
(
"delta_T"
,
delta_T
,
_pat_parsable
|
_pat_modifiable
,
"Uniform temperature field"
);
delta_T
.
initialize
(
1
);
}
/* -------------------------------------------------------------------------- */
template
<
UInt
dim
>
void
MaterialThermal
<
dim
>::
initMaterial
()
{
sigma_th
.
initialize
(
1
);
if
(
use_previous_stress_thermal
)
{
sigma_th
.
initializeHistory
();
}
Material
::
initMaterial
();
}
/* -------------------------------------------------------------------------- */
template
<
UInt
dim
>
void
MaterialThermal
<
dim
>::
computeStress
(
ElementType
el_type
,
GhostType
ghost_type
)
{
for
(
auto
&&
tuple
:
zip
(
this
->
delta_T
(
el_type
,
ghost_type
),
this
->
sigma_th
(
el_type
,
ghost_type
)))
{
computeStressOnQuad
(
std
::
get
<
1
>
(
tuple
),
std
::
get
<
0
>
(
tuple
));
}
}
/* -------------------------------------------------------------------------- */
INSTANTIATE_MATERIAL_ONLY
(
MaterialThermal
);
}
// namespace akantu
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