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py_material.cc
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Fri, Nov 1, 06:44

py_material.cc
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/* -------------------------------------------------------------------------- */
#include "py_aka_array.hh"
/* -------------------------------------------------------------------------- */
#include <solid_mechanics_model.hh>
#if defined(AKANTU_COHESIVE_ELEMENT)
#include <solid_mechanics_model_cohesive.hh>
#endif
/* -------------------------------------------------------------------------- */
#include <pybind11/operators.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
namespace py = pybind11;
/* -------------------------------------------------------------------------- */
#if not defined(PYBIND11_OVERRIDE)
#define PYBIND11_OVERRIDE PYBIND11_OVERLOAD
#define PYBIND11_OVERRIDE_PURE PYBIND11_OVERLOAD_PURE
#endif
namespace akantu {
template <typename _Material> class PyMaterial : public _Material {
public:
/* Inherit the constructors */
using _Material::_Material;
~PyMaterial() override = default;
void initMaterial() override {
PYBIND11_OVERRIDE(void, _Material, initMaterial, ); // NOLINT
};
void computeStress(ElementType el_type,
GhostType ghost_type = _not_ghost) override {
PYBIND11_OVERRIDE_PURE(void, _Material, computeStress, el_type, ghost_type);
}
void computeTangentModuli(ElementType el_type,
Array<Real> & tangent_matrix,
GhostType ghost_type = _not_ghost) override {
PYBIND11_OVERRIDE(void, _Material, computeTangentModuli, el_type,
tangent_matrix, ghost_type);
}
void computePotentialEnergy(ElementType el_type) override {
PYBIND11_OVERRIDE(void, _Material, computePotentialEnergy, el_type);
}
Real getPushWaveSpeed(const Element & element) const override {
PYBIND11_OVERRIDE(Real, _Material, getPushWaveSpeed, element);
}
Real getShearWaveSpeed(const Element & element) const override {
PYBIND11_OVERRIDE(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_internal_field(py::module & mod,
const std::string & name) {
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) {
py::class_<_Material, PyMaterial<_Material>, Parsable>(
mod, name.c_str(), 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("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(
"getInternalFieldReal",
[](Material & self, const ID & id, const ElementType & type,
const GhostType & ghost_type) -> Array<Real> & {
return self.getArray<Real>(id, type, ghost_type);
},
py::arg("id"), py::arg("type"), py::arg("ghost_type") = _not_ghost)
.def(
"getInternalFieldUInt",
[](Material & self, const ID & id, const ElementType & type,
const GhostType & ghost_type) -> Array<UInt> & {
return self.getArray<UInt>(id, type, ghost_type);
},
py::arg("id"), py::arg("type"), py::arg("ghost_type") = _not_ghost)
.def(
"getElementFilter",
[](Material & self, const ElementType & type,
const GhostType & ghost_type) -> const Array<UInt> & {
return self.getElementFilter()(type, ghost_type);
},
py::arg("type"), py::arg("ghost_type") = _not_ghost);
}
/* -------------------------------------------------------------------------- */
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 & /*unused*/,
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_internal_field<Real>(mod, "Real");
register_internal_field<UInt>(mod, "UInt");
define_material<Material>(mod, "Material");
py::class_<MaterialSelector, std::shared_ptr<MaterialSelector>>(
mod, "MaterialSelector")
.def("setFallback",
[](MaterialSelector & self, UInt f) { self.setFallback(f); })
.def("setFallback",
[](MaterialSelector & self,
const std::shared_ptr<MaterialSelector> & fallback_selector) {
self.setFallback(fallback_selector);
})
.def("setFallback",
[](MaterialSelector & self, MaterialSelector & fallback_selector) {
self.setFallback(fallback_selector);
});
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);
#if defined(AKANTU_COHESIVE_ELEMENT)
py::class_<DefaultMaterialCohesiveSelector, MaterialSelector,
std::shared_ptr<DefaultMaterialCohesiveSelector>>(
mod, "DefaultMaterialCohesiveSelector")
.def(py::init<const SolidMechanicsModelCohesive &>());
py::class_<MeshDataMaterialCohesiveSelector, MaterialSelector,
std::shared_ptr<MeshDataMaterialCohesiveSelector>>(
mod, "MeshDataMaterialCohesiveSelector")
.def(py::init<const SolidMechanicsModelCohesive &>());
py::class_<MaterialCohesiveRulesSelector, MaterialSelector,
std::shared_ptr<MaterialCohesiveRulesSelector>>(
mod, "MaterialCohesiveRulesSelector")
.def(py::init<const SolidMechanicsModelCohesive &,
const MaterialCohesiveRules &, const ID &>(),
py::arg("model"), py::arg("rules"),
py::arg("mesh_data_id") = "physical_names");
#endif
}
} // namespace akantu

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