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py_structural_mechanics_model.cc
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rAKA akantu
py_structural_mechanics_model.cc
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/**
* Copyright (©) 2021-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* 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 "py_aka_array.hh"
/* -------------------------------------------------------------------------- */
#include <structural_mechanics_model.hh>
/* -------------------------------------------------------------------------- */
#include <pybind11/pybind11.h>
/* -------------------------------------------------------------------------- */
namespace
py
=
pybind11
;
/* -------------------------------------------------------------------------- */
namespace
akantu
{
#define def_function_nocopy(func_name) \
def( \
#func_name, \
[](StructuralMechanicsModel & self) -> decltype(auto) { \
return self.func_name(); \
}, \
py::return_value_policy::reference)
#define def_function_(func_name) \
def(#func_name, [](StructuralMechanicsModel & self) -> decltype(auto) { \
return self.func_name(); \
})
#define def_plainmember(M) def_readwrite(#M, &StructuralMaterial::M)
/* -------------------------------------------------------------------------- */
void
register_structural_mechanics_model
(
pybind11
::
module
&
mod
)
{
/* First we have to register the material class
* The wrapper aims to mimic the behaviour of the real material.
*/
py
::
class_
<
StructuralMaterial
>
(
mod
,
"StructuralMaterial"
)
.
def
(
py
::
init
<>
())
.
def
(
py
::
init
<
const
StructuralMaterial
&>
())
.
def_plainmember
(
E
)
.
def_plainmember
(
A
)
.
def_plainmember
(
I
)
.
def_plainmember
(
Iz
)
.
def_plainmember
(
Iy
)
.
def_plainmember
(
GJ
)
.
def_plainmember
(
rho
)
.
def_plainmember
(
t
)
.
def_plainmember
(
nu
);
/* Now we create the structural model wrapper
* Note that this is basically a port from the solid mechanic part.
*/
py
::
class_
<
StructuralMechanicsModel
,
Model
>
(
mod
,
"StructuralMechanicsModel"
)
.
def
(
py
::
init
<
Mesh
&
,
UInt
,
const
ID
&>
(),
py
::
arg
(
"mesh"
),
py
::
arg
(
"spatial_dimension"
)
=
_all_dimensions
,
py
::
arg
(
"id"
)
=
"structural_mechanics_model"
)
.
def
(
"initFull"
,
[](
StructuralMechanicsModel
&
self
,
const
AnalysisMethod
&
analysis_method
)
->
void
{
self
.
initFull
(
_analysis_method
=
analysis_method
);
},
py
::
arg
(
"_analysis_method"
))
.
def
(
"initFull"
,
[](
StructuralMechanicsModel
&
self
)
->
void
{
self
.
initFull
();
})
.
def_function_nocopy
(
getExternalForce
)
.
def_function_nocopy
(
getDisplacement
)
.
def_function_nocopy
(
getInternalForce
)
.
def_function_nocopy
(
getVelocity
)
.
def_function_nocopy
(
getAcceleration
)
.
def_function_nocopy
(
getInternalForce
)
.
def_function_nocopy
(
getBlockedDOFs
)
.
def_function_nocopy
(
getMesh
)
.
def
(
"setTimeStep"
,
&
StructuralMechanicsModel
::
setTimeStep
,
py
::
arg
(
"time_step"
),
py
::
arg
(
"solver_id"
)
=
""
)
.
def
(
"getElementMaterial"
,
[](
StructuralMechanicsModel
&
self
,
ElementType
type
,
GhostType
ghost_type
)
->
decltype
(
auto
)
{
return
self
.
getElementMaterial
(
type
,
ghost_type
);
},
"This function returns the map that maps elements to materials."
,
py
::
arg
(
"type"
),
py
::
arg
(
"ghost_type"
)
=
_not_ghost
,
py
::
return_value_policy
::
reference
)
.
def
(
"getMaterialByElement"
,
[](
StructuralMechanicsModel
&
self
,
Element
element
)
->
decltype
(
auto
)
{
return
self
.
getMaterialByElement
(
element
);
},
"This function returns the `StructuralMaterial` instance that is "
"associated with element `element`."
,
py
::
arg
(
"element"
),
py
::
return_value_policy
::
reference
)
.
def
(
"addMaterial"
,
[](
StructuralMechanicsModel
&
self
,
StructuralMaterial
&
mat
,
const
ID
&
name
)
->
UInt
{
return
self
.
addMaterial
(
mat
,
name
);
},
"This function adds the `StructuralMaterial` `mat` to `self`."
" The function returns the ID of the new material."
,
py
::
arg
(
"mat"
),
py
::
arg
(
"name"
)
=
""
)
.
def
(
"getMaterial"
,
[](
const
StructuralMechanicsModel
&
self
,
UInt
material_index
)
->
StructuralMaterial
{
return
self
.
getMaterial
(
material_index
);
},
"This function returns the `i`th material of `self`."
" The function returns a copy of the material."
,
py
::
arg
(
"material_index"
),
py
::
return_value_policy
::
copy
)
.
def
(
"getMaterial"
,
[](
const
StructuralMechanicsModel
&
self
,
const
ID
&
name
)
->
StructuralMaterial
{
return
self
.
getMaterial
(
name
);
},
"This function returns the `i`th material of `self`."
" The function returns a copy of the material."
,
py
::
arg
(
"material_index"
),
py
::
return_value_policy
::
copy
)
.
def
(
"getNbMaterials"
,
[](
StructuralMechanicsModel
&
self
)
{
return
self
.
getNbMaterials
();
},
"Returns the number of different materials inside `self`."
)
.
def
(
"getKineticEnergy"
,
&
StructuralMechanicsModel
::
getKineticEnergy
,
"Compute kinetic energy"
)
.
def
(
"getPotentialEnergy"
,
&
StructuralMechanicsModel
::
getPotentialEnergy
,
"Compute potential energy"
)
.
def
(
"getEnergy"
,
&
StructuralMechanicsModel
::
getEnergy
,
"Compute the specified energy"
)
.
def
(
"getLumpedMass"
,
[](
const
StructuralMechanicsModel
&
self
)
->
decltype
(
auto
)
{
return
self
.
getLumpedMass
();
},
py
::
return_value_policy
::
reference_internal
)
.
def
(
"getMass"
,
[](
const
StructuralMechanicsModel
&
self
)
->
decltype
(
auto
)
{
return
self
.
getMass
();
},
py
::
return_value_policy
::
reference_internal
)
.
def
(
"assembleLumpedMassMatrix"
,
&
StructuralMechanicsModel
::
assembleLumpedMassMatrix
,
"Assembles the lumped mass matrix"
)
.
def
(
"hasLumpedMass"
,
&
StructuralMechanicsModel
::
hasLumpedMass
);
}
}
// namespace akantu
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