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rAKA/python/py_structural_mechanics_model.cc
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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);
},
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)
/*
* These functions are basically untested.
*/
.def("setTimeStep", &StructuralMechanicsModel::setTimeStep,
py::arg("time_step"), py::arg("solver_id") = "")
.def(
"getElementMaterialMap",
[](StructuralMechanicsModel & self, const 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(
"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.");
} // End: register structural mechanical model
} // namespace akantu
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