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rAKA/python/py_material.cc
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py_material.cc
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/* -------------------------------------------------------------------------- */
#include "py_aka_array.hh"
/* -------------------------------------------------------------------------- */
#include <solid_mechanics_model.hh>
/* -------------------------------------------------------------------------- */
#include <pybind11/operators.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
namespace py = pybind11;
/* -------------------------------------------------------------------------- */
namespace akantu {
template <typename _Material> class PyMaterial : public _Material {
public:
/* Inherit the constructors */
using _Material::_Material;
virtual ~PyMaterial(){};
void initMaterial() override {
PYBIND11_OVERLOAD(void, _Material, initMaterial);
};
void computeStress(ElementType el_type,
GhostType ghost_type = _not_ghost) override {
PYBIND11_OVERLOAD_PURE(void, _Material, computeStress, el_type, ghost_type);
}
void computeTangentModuli(const ElementType & el_type,
Array<Real> & tangent_matrix,
GhostType ghost_type = _not_ghost) override {
PYBIND11_OVERLOAD(void, _Material, computeTangentModuli, el_type,
tangent_matrix, ghost_type);
}
void computePotentialEnergy(ElementType el_type) override {
PYBIND11_OVERLOAD(void, _Material, computePotentialEnergy, el_type);
}
Real getPushWaveSpeed(const Element & element) const override {
PYBIND11_OVERLOAD(Real, _Material, getPushWaveSpeed, element);
}
Real getShearWaveSpeed(const Element & element) const override {
PYBIND11_OVERLOAD(Real, _Material, getShearWaveSpeed, element);
}
void registerInternal(const std::string & name, UInt nb_component) {
this->internals[name] = std::make_shared<InternalField<Real>>(name, *this);
AKANTU_DEBUG_INFO("alloc internal " << name << " "
<< &this->internals[name]);
this->internals[name]->initialize(nb_component);
}
auto & getInternals() { return this->internals; }
protected:
std::map<std::string, std::shared_ptr<InternalField<Real>>> internals;
};
/* -------------------------------------------------------------------------- */
template <typename T>
void register_element_type_map_array(py::module & mod,
const std::string & name) {
py::class_<ElementTypeMapArray<T>, std::shared_ptr<ElementTypeMapArray<T>>>(
mod, ("ElementTypeMapArray" + name).c_str())
.def("__call__",
[](ElementTypeMapArray<T> & self, ElementType & type,
const GhostType & ghost_type) -> decltype(auto) {
return self(type, ghost_type);
},
py::arg("type"), py::arg("ghost_type") = _not_ghost,
py::return_value_policy::reference)
.def("elementTypes",
[](ElementTypeMapArray<T> & self, UInt _dim, GhostType _ghost_type,
ElementKind _kind) -> decltype(auto) {
auto types = self.elementTypes(_dim, _ghost_type, _kind);
std::vector<ElementType> _types;
for (auto && t : types) {
_types.push_back(t);
}
return _types;
},
py::arg("dim") = _all_dimensions, py::arg("ghost_type") = _not_ghost,
py::arg("kind") = _ek_regular);
py::class_<InternalField<T>, ElementTypeMapArray<T>,
std::shared_ptr<InternalField<T>>>(
mod, ("InternalField" + name).c_str());
}
/* -------------------------------------------------------------------------- */
template <typename _Material>
void define_material(py::module & mod, const std::string & name) {
auto mat = py::class_<_Material, PyMaterial<_Material>, Parsable>(
mod, name.c_str(), py::multiple_inheritance());
mat.def(py::init<SolidMechanicsModel &, const ID &>())
.def("getGradU",
[](Material & self, ElementType el_type,
GhostType ghost_type = _not_ghost) -> decltype(auto) {
return self.getGradU(el_type, ghost_type);
},
py::arg("el_type"), py::arg("ghost_type") = _not_ghost,
py::return_value_policy::reference)
.def("getStress",
[](Material & self, ElementType el_type,
GhostType ghost_type = _not_ghost) -> decltype(auto) {
return self.getStress(el_type, ghost_type);
},
py::arg("el_type"), py::arg("ghost_type") = _not_ghost,
py::return_value_policy::reference)
.def("getPotentialEnergy",
[](Material & self, ElementType el_type) -> decltype(auto) {
return self.getPotentialEnergy(el_type);
},
py::return_value_policy::reference)
.def("initMaterial", &Material::initMaterial)
.def("getModel", &Material::getModel)
.def("registerInternal",
[](Material & self, const std::string & name, UInt nb_component) {
return dynamic_cast<PyMaterial<Material> &>(self).registerInternal(
name, nb_component);
})
.def_property_readonly(
"internals",
[](Material & self) {
return dynamic_cast<PyMaterial<Material> &>(self).getInternals();
})
.def_property_readonly("element_filter",
[](Material & self) -> decltype(auto) {
return self.getElementFilter();
},
py::return_value_policy::reference);
}
/* -------------------------------------------------------------------------- */
[[gnu::visibility("default")]] void register_material(py::module & mod) {
py::class_<MaterialFactory>(mod, "MaterialFactory")
.def_static("getInstance",
[]() -> MaterialFactory & { return Material::getFactory(); },
py::return_value_policy::reference)
.def("registerAllocator",
[](MaterialFactory & self, const std::string id, py::function func) {
self.registerAllocator(
id,
[func, id](UInt dim, const ID &, SolidMechanicsModel & model,
const ID & option) -> std::unique_ptr<Material> {
py::object obj = func(dim, id, model, option);
auto & ptr = py::cast<Material &>(obj);
obj.release();
return std::unique_ptr<Material>(&ptr);
});
});
register_element_type_map_array<Real>(mod, "Real");
register_element_type_map_array<UInt>(mod, "UInt");
define_material<Material>(mod, "Material");
py::class_<MaterialSelector, std::shared_ptr<MaterialSelector>>(
mod, "MaterialSelector");
py::class_<MeshDataMaterialSelector<std::string>, MaterialSelector,
std::shared_ptr<MeshDataMaterialSelector<std::string>>>(
mod, "MeshDataMaterialSelectorString")
.def(py::init<const std::string &, const SolidMechanicsModel &, UInt>(),
py::arg("name"), py::arg("model"), py::arg("first_index") = 1);
}
} // namespace akantu
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