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py_structural_mechanics_model.cc
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Wed, Jun 26, 07:33

py_structural_mechanics_model.cc
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/* -------------------------------------------------------------------------- */
#include "py_aka_array.hh"
/* -------------------------------------------------------------------------- */
#include "structural_mechanics_model.hh"
/* -------------------------------------------------------------------------- */
#include <pybind11/pybind11.h>
/* -------------------------------------------------------------------------- */
namespace py = pybind11;
/* -------------------------------------------------------------------------- */
namespace akantu {
/* -------------------------------------------------------------------------- */
#define def_deprecated(func_name, mesg) \
def(func_name, [](py::args, py::kwargs) { AKANTU_ERROR(mesg); })
#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_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 &, const MemoryID &>(),
py::arg("mesh"),
py::arg("spatial_dimension") = _all_dimensions,
py::arg("id") = "structural_mechanics_model",
py::arg("memory_id") = 0
)
.def("initFull",
[](StructuralMechanicsModel& self, const AnalysisMethod& analysis_method) -> void
{ self.initFull(_analysis_method = analysis_method); return; },
py::arg("_analysis_method")
)
.def("initFull",
[](StructuralMechanicsModel& self) -> void
{ self.initFull(); return; }
)
# if 0
.def("setTimeStep",
[](StructuralMechanicsModel& self, const Real& time_step, const ID& solver_id) -> void
{ AKANTU_ERROR("This function was commented out in the source code."); return;
(void)self; (void)time_step; (void)solver_id; },
py::arg("time_step"),
py::arg("solver_id") = ""
)
# endif
.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)
/*
* These functions are basically untested.
*/
.def("getElementMaterialMap",
[](StructuralMechanicsModel& self, const ElementType& type, GhostType ghost_type)
{ 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("getMaterialOf",
[](StructuralMechanicsModel& self, Element element)
{ return self.getMaterial(element); },
"This function returns the `StructuralMaterial` instance that is associated with element `element`."
" It is important that the returned object can be modified, but this will not affect the material stored inside the model."
" If you want to change the material, use `addMaterial()` to add a new one and then manipulate the mapping by operating on `getElementMaterialMap()`.",
py::arg("element"),
py::return_value_policy::copy //By using the copy operation, we completly decouple the C++ and Python part.
)
.def("addMaterial",
[](StructuralMechanicsModel& self, StructuralMaterial& mat) -> UInt
{ return self.addMaterial(mat); },
"This function adds the `StructuralMaterial` `mat` to `self`."
" The function returns the ID of the new material.",
py::arg("mat")
)
.def("getMaterialByID",
[](StructuralMechanicsModel& self, UInt i)
{ return self.getMaterialByID(i); },
"This function returns the `i`th material of `self`",
py::arg("i"),
py::return_value_policy::copy //Everything will be coupled so a complet decoupling
)
.def("getNbMaterials",
[](StructuralMechanicsModel& self)
{ return self.getNbMaterials(); },
"Returns the number of different materials inside `self`."
" The highest ID is one less than the returned number."
)
;
return;
} //End: register structural mechanical model
} // namespace akantu

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