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model.cpp
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rTAMAAS tamaas
model.cpp
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/**
* @file
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2017 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas 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.
*
* Tamaas 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 Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "model.hh"
#include "adhesion_functional.hh"
#include "functional.hh"
#include "integral_operator.hh"
#include "model_dumper.hh"
#include "model_extensions.hh"
#include "model_factory.hh"
#include "numpy.hh"
#include "residual.hh"
#include "wrap.hh"
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
namespace
wrap
{
using
namespace
py
::
literals
;
/// Wrap functional classes
void
wrapFunctionals
(
py
::
module
&
mod
)
{
py
::
class_
<
functional
::
Functional
,
functional
::
wrap
::
PyFunctional
>
func
(
mod
,
"Functional"
);
func
.
def
(
py
::
init
<>
())
.
def
(
"computeF"
,
&
functional
::
Functional
::
computeF
)
.
def
(
"computeGradF"
,
&
functional
::
Functional
::
computeGradF
);
py
::
class_
<
functional
::
AdhesionFunctional
>
adh
(
mod
,
"AdhesionFunctional"
,
func
);
adh
.
def_property
(
"parameters"
,
&
functional
::
AdhesionFunctional
::
getParameters
,
&
functional
::
AdhesionFunctional
::
setParameters
)
// legacy wrapper code
.
def
(
"setParameters"
,
&
functional
::
AdhesionFunctional
::
setParameters
);
py
::
class_
<
functional
::
ExponentialAdhesionFunctional
>
(
mod
,
"ExponentialAdhesionFunctional"
,
adh
)
.
def
(
py
::
init
<
const
GridBase
<
Real
>&>
(),
"surface"
_a
);
py
::
class_
<
functional
::
MaugisAdhesionFunctional
>
(
mod
,
"MaugisAdhesionFunctional"
,
adh
)
.
def
(
py
::
init
<
const
GridBase
<
Real
>&>
(),
"surface"
_a
);
py
::
class_
<
functional
::
SquaredExponentialAdhesionFunctional
>
(
mod
,
"SquaredExponentialAdhesionFunctional"
,
adh
)
.
def
(
py
::
init
<
const
GridBase
<
Real
>&>
(),
"surface"
_a
);
}
template
<
typename
T
>
std
::
unique_ptr
<
GridBase
<
T
>>
instanciateFromNumpy
(
numpy
<
T
>&
num
)
{
std
::
unique_ptr
<
GridBase
<
T
>>
result
=
nullptr
;
switch
(
num
.
ndim
())
{
case
2
:
result
=
std
::
make_unique
<
GridNumpy
<
Grid
<
T
,
1
>>>
(
num
);
return
result
;
case
3
:
result
=
std
::
make_unique
<
GridNumpy
<
Grid
<
T
,
2
>>>
(
num
);
return
result
;
case
4
:
result
=
std
::
make_unique
<
GridNumpy
<
Grid
<
T
,
3
>>>
(
num
);
return
result
;
default
:
TAMAAS_EXCEPTION
(
"instanciateFromNumpy expects the last dimension of numpy "
"array to be the number of components"
);
}
}
/// Wrap IntegralOperator
void
wrapIntegralOperator
(
py
::
module
&
mod
)
{
py
::
class_
<
IntegralOperator
>
(
mod
,
"IntegralOperator"
)
.
def
(
"apply"
,
[](
IntegralOperator
&
op
,
numpy
<
Real
>
input
,
numpy
<
Real
>
output
)
{
auto
in
=
instanciateFromNumpy
(
input
);
auto
out
=
instanciateFromNumpy
(
output
);
op
.
apply
(
*
in
,
*
out
);
})
.
def
(
"updateFromModel"
,
&
IntegralOperator
::
updateFromModel
)
.
def
(
"getModel"
,
&
IntegralOperator
::
getModel
,
py
::
return_value_policy
::
reference
)
.
def
(
"getKind"
,
&
IntegralOperator
::
getKind
)
.
def
(
"getType"
,
&
IntegralOperator
::
getType
);
}
/// Wrap BEEngine classes
void
wrapBEEngine
(
py
::
module
&
mod
)
{
py
::
class_
<
BEEngine
>
(
mod
,
"BEEngine"
)
.
def
(
"solveNeumann"
,
&
BEEngine
::
solveNeumann
)
.
def
(
"solveDirichlet"
,
&
BEEngine
::
solveDirichlet
)
.
def
(
"getModel"
,
&
BEEngine
::
getModel
,
py
::
return_value_policy
::
reference
);
}
/// Wrap Models
void
wrapModelClass
(
py
::
module
&
mod
)
{
py
::
enum_
<
model_type
>
(
mod
,
"model_type"
)
.
value
(
"basic_1d"
,
model_type
::
basic_1d
)
.
value
(
"basic_2d"
,
model_type
::
basic_2d
)
.
value
(
"surface_1d"
,
model_type
::
surface_1d
)
.
value
(
"surface_2d"
,
model_type
::
surface_2d
)
.
value
(
"volume_1d"
,
model_type
::
volume_1d
)
.
value
(
"volume_2d"
,
model_type
::
volume_2d
);
py
::
class_
<
Model
>
(
mod
,
"Model"
)
.
def_property_readonly
(
"type"
,
&
Model
::
getType
)
.
def
(
"setElasticity"
,
&
Model
::
setElasticity
,
"E"
_a
,
"nu"
_a
)
.
def_property
(
"E"
,
&
Model
::
getYoungModulus
,
&
Model
::
setYoungModulus
)
.
def_property
(
"nu"
,
&
Model
::
getPoissonRatio
,
&
Model
::
setPoissonRatio
)
.
def
(
"getHertzModulus"
,
&
Model
::
getHertzModulus
)
.
def
(
"getYoungModulus"
,
&
Model
::
getYoungModulus
)
.
def
(
"getShearModulus"
,
&
Model
::
getShearModulus
)
.
def
(
"getPoissonRatio"
,
&
Model
::
getPoissonRatio
)
.
def
(
"getTraction"
,
(
GridBase
<
Real
>
&
(
Model
::*
)())
&
Model
::
getTraction
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"getDisplacement"
,
(
GridBase
<
Real
>
&
(
Model
::*
)())
&
Model
::
getDisplacement
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"getSystemSize"
,
&
Model
::
getSystemSize
)
.
def
(
"getDiscretization"
,
&
Model
::
getDiscretization
)
.
def
(
"getBoundarySystemSize"
,
&
Model
::
getBoundarySystemSize
)
.
def
(
"getBoundaryDiscretization"
,
&
Model
::
getBoundaryDiscretization
)
.
def
(
"solveNeumann"
,
&
Model
::
solveNeumann
)
.
def
(
"solveDirichlet"
,
&
Model
::
solveDirichlet
)
.
def
(
"dump"
,
&
Model
::
dump
)
.
def
(
"addDumper"
,
&
Model
::
addDumper
,
"dumper"
_a
)
.
def
(
"setDumper"
,
[](
Model
&
m
,
const
ModelDumper
&
)
{
TAMAAS_EXCEPTION
(
"setDumper() is not a member of Model; use "
"addDumper() instead"
);
})
.
def
(
"getBEEngine"
,
&
Model
::
getBEEngine
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"getIntegralOperator"
,
&
Model
::
getIntegralOperator
,
"operator_name"
_a
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"registerField"
,
[](
Model
&
m
,
std
::
string
name
,
numpy
<
Real
>
field
)
{
auto
f
=
instanciateFromNumpy
(
field
);
m
.
registerField
(
name
,
*
f
);
},
"field_name"
_a
,
"field"
_a
)
.
def
(
"getField"
,
&
Model
::
getField
,
"field_name"
_a
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"applyElasticity"
,
[](
Model
&
model
,
numpy
<
Real
>
stress
,
numpy
<
Real
>
strain
)
{
auto
out
=
instanciateFromNumpy
(
stress
);
auto
in
=
instanciateFromNumpy
(
strain
);
model
.
applyElasticity
(
*
out
,
*
in
);
})
.
def
(
"__repr__"
,
[](
const
Model
&
m
)
{
std
::
stringstream
ss
;
ss
<<
m
;
return
ss
.
str
();
})
.
def
(
"__getitem__"
,
[](
const
Model
&
m
,
std
::
string
key
)
->
const
GridBase
<
Real
>&
{
try
{
return
m
.
getField
(
key
);
}
catch
(
std
::
out_of_range
&
)
{
throw
py
::
key_error
();
}
},
py
::
return_value_policy
::
reference_internal
);
py
::
class_
<
ModelDumper
,
PyModelDumper
,
std
::
shared_ptr
<
ModelDumper
>>
(
mod
,
"ModelDumper"
)
.
def
(
py
::
init
<>
())
.
def
(
"dump"
,
&
ModelDumper
::
dump
,
"model"
_a
)
.
def
(
"__lshift__"
,
[](
ModelDumper
&
dumper
,
Model
&
model
)
{
dumper
<<
model
;
});
}
/// Wrap factory for models
void
wrapModelFactory
(
py
::
module
&
mod
)
{
py
::
class_
<
ModelFactory
>
(
mod
,
"ModelFactory"
)
.
def_static
(
"createModel"
,
&
ModelFactory
::
createModel
,
"model_type"
_a
,
"system_size"
_a
,
"discretization"
_a
)
.
def_static
(
"createResidual"
,
&
ModelFactory
::
createResidual
,
"model_type"
_a
,
"hardening"
_a
,
"sigma_y"
_a
);
}
/// Wrap residual class
void
wrapResidual
(
py
::
module
&
mod
)
{
// TODO adapt to n-dim
py
::
class_
<
Residual
,
PyResidual
>
(
mod
,
"Residual"
)
.
def
(
py
::
init
<
Model
*>
())
.
def
(
"computeResidual"
,
[](
Residual
&
res
,
numpy
<
Real
>&
x
)
{
auto
in
=
instanciateFromNumpy
(
x
);
res
.
computeResidual
(
*
in
);
})
.
def
(
"computeStress"
,
[](
Residual
&
res
,
numpy
<
Real
>&
x
)
{
auto
in
=
instanciateFromNumpy
(
x
);
res
.
computeStress
(
*
in
);
})
.
def
(
"updateState"
,
[](
Residual
&
res
,
numpy
<
Real
>&
x
)
{
auto
in
=
instanciateFromNumpy
(
x
);
res
.
updateState
(
*
in
);
})
.
def
(
"computeResidualDisplacement"
,
[](
Residual
&
res
,
numpy
<
Real
>&
x
)
{
auto
in
=
instanciateFromNumpy
(
x
);
res
.
computeResidualDisplacement
(
*
in
);
})
.
def
(
"applyTangent"
,
[](
Residual
&
res
,
numpy
<
Real
>&
output
,
numpy
<
Real
>&
input
,
numpy
<
Real
>&
current_strain_inc
)
{
auto
out
=
instanciateFromNumpy
(
output
);
auto
in
=
instanciateFromNumpy
(
input
);
auto
inc
=
instanciateFromNumpy
(
current_strain_inc
);
res
.
applyTangent
(
*
out
,
*
in
,
*
inc
);
},
"output"
_a
,
"input"
_a
,
"current_strain_increment"
_a
)
.
def
(
"getVector"
,
&
Residual
::
getVector
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"getPlasticStrain"
,
&
Residual
::
getPlasticStrain
,
py
::
return_value_policy
::
reference_internal
)
.
def
(
"getStress"
,
&
Residual
::
getStress
,
py
::
return_value_policy
::
reference_internal
);
}
void
wrapModel
(
py
::
module
&
mod
)
{
wrapBEEngine
(
mod
);
wrapModelClass
(
mod
);
wrapModelFactory
(
mod
);
wrapFunctionals
(
mod
);
wrapResidual
(
mod
);
wrapIntegralOperator
(
mod
);
}
}
// namespace wrap
__END_TAMAAS__
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