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py_aka_material.cc
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Fri, Jul 5, 16:23

py_aka_material.cc
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/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "solid_mechanics_model.hh"
#include <pybind11/operators.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
namespace py = pybind11;
/* -------------------------------------------------------------------------- */
namespace akantu {
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;
};
__attribute__((visibility("default"))) void
register_material(py::module & mod) {
py::class_<Material, PyMaterial, Parsable>(mod, "Material",
py::multiple_inheritance())
.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("registerInternal",
[](Material & self, const std::string & name, UInt nb_component) {
return dynamic_cast<PyMaterial &>(self).registerInternal(
name, nb_component);
})
.def_property_readonly("internals", [](Material & self) {
return dynamic_cast<PyMaterial &>(self).getInternals();
});
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 & id) -> std::unique_ptr<Material> {
py::object obj = func(dim, id, model, id);
auto & ptr = py::cast<Material &>(obj);
obj.release();
return std::unique_ptr<Material>(&ptr);
});
});
}
} // namespace akantu

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