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rAKA/python/py_material.cc
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py_material.cc
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/**
* Copyright (©) 2019-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* This file is part of Akantu
*
* Akantu is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*/
/* -------------------------------------------------------------------------- */
#include "py_aka_array.hh"
#include "py_constitutive_law.hh"
/* -------------------------------------------------------------------------- */
#include <constitutive_law.hh>
#include <material_selector.hh>
#include <solid_mechanics_model.hh>
#if defined(AKANTU_COHESIVE_ELEMENT)
#include <material_cohesive_linear.hh>
#include <material_cohesive_linear_friction.hh>
#include <solid_mechanics_model_cohesive.hh>
#endif
#include <material_elastic.hh>
/* -------------------------------------------------------------------------- */
#include <pybind11/operators.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
namespace py = pybind11;
/* -------------------------------------------------------------------------- */
namespace akantu {
namespace {
template <typename _Material> class PyMaterial : public _Material {
public:
/* Inherit the constructors */
using _Material::_Material;
void initMaterial() override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, initMaterial, );
};
void computeStress(ElementType el_type,
GhostType ghost_type = _not_ghost) override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, computeStress, el_type, ghost_type);
}
void computeTangentModuli(ElementType el_type, Array<Real> & tangent_matrix,
GhostType ghost_type = _not_ghost) override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, computeTangentModuli, el_type,
tangent_matrix, ghost_type);
}
void computePotentialEnergy(ElementType el_type) override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, computePotentialEnergy, el_type);
}
[[nodiscard]] Real
getPushWaveSpeed(const Element & element) const override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(Real, _Material, getPushWaveSpeed, element);
}
[[nodiscard]] Real
getShearWaveSpeed(const Element & element) const override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(Real, _Material, getShearWaveSpeed, element);
}
};
/* ------------------------------------------------------------------------ */
template <typename _Material>
void register_material_classes(py::module & mod, const std::string & name) {
py::class_<_Material, Material, PyMaterial<_Material>>(
mod, name.c_str(), py::multiple_inheritance())
.def(py::init<SolidMechanicsModel &, const ID &>());
}
#if defined(AKANTU_COHESIVE_ELEMENT)
// trampoline for the cohesive materials
template <typename _Material,
std::enable_if_t<std::is_base_of_v<MaterialCohesive, _Material>> * =
nullptr>
class PyMaterialCohesive : public PyMaterial<_Material> {
public:
using Parent = PyMaterial<_Material>;
/* Inherit the constructors */
using Parent::Parent;
void checkInsertion(bool check_only) override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, checkInsertion, check_only);
}
void computeTraction(ElementType el_type,
GhostType ghost_type = _not_ghost) override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, computeTraction, el_type, ghost_type);
}
void computeTangentTraction(ElementType el_type,
Array<Real> & tangent_matrix,
GhostType ghost_type = _not_ghost) override {
// NOLINTNEXTLINE
PYBIND11_OVERRIDE(void, _Material, computeTangentTraction, el_type,
tangent_matrix, ghost_type);
}
void computeStress(ElementType /*el_type*/,
GhostType /*ghost_type*/ = _not_ghost) final {}
void computeTangentModuli(ElementType /*el_type*/,
Array<Real> & /*tangent_matrix*/,
GhostType /*ghost_type*/ = _not_ghost) final {}
};
template <typename _Material>
void register_material_cohesive_classes(py::module & mod,
const std::string & name) {
py::class_<_Material, MaterialCohesive, PyMaterialCohesive<_Material>>(
mod, name.c_str(), py::multiple_inheritance())
.def(py::init<SolidMechanicsModelCohesive &, const ID &>());
}
#endif
} // namespace
/* -------------------------------------------------------------------------- */
void register_material(py::module & mod) {
register_constitutive_law<SolidMechanicsModel>(mod);
py::class_<Material, PyMaterial<Material>,
ConstitutiveLaw<SolidMechanicsModel>>(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::arg("el_type"), py::return_value_policy::reference)
.def(
"getPotentialEnergy",
[](Material & self, Element element) -> Real {
return self.getPotentialEnergy(element);
},
py::arg("element"))
.def("getPotentialEnergy",
[](Material & self) -> Real { return self.getPotentialEnergy(); })
.def("initMaterial", &Material::initMaterial)
.def("getModel",
[](Material & self) -> SolidMechanicsModel & {
return self.getModel();
})
.def("getPushWaveSpeed", &Material::getPushWaveSpeed)
.def("getShearWaveSpeed", &Material::getShearWaveSpeed);
register_material_classes<MaterialElastic<1>>(mod, "MaterialLinearElastic1D");
register_material_classes<MaterialElastic<2>>(mod, "MaterialLinearElastic2D");
register_material_classes<MaterialElastic<3>>(mod, "MaterialLinearElastic3D");
#if defined(AKANTU_COHESIVE_ELEMENT)
/* ------------------------------------------------------------------------ */
py::class_<MaterialCohesive, Material, PyMaterialCohesive<MaterialCohesive>>(
mod, "MaterialCohesive", py::multiple_inheritance())
.def(py::init<SolidMechanicsModelCohesive &, const ID &>())
.def(
"getFacetFilter",
[](MaterialCohesive & self) -> decltype(auto) {
return self.getFacetFilter();
},
py::return_value_policy::reference)
.def(
"getFacetFilter",
[](MaterialCohesive & self, ElementType type,
GhostType ghost_type) -> decltype(auto) {
return self.getFacetFilter(type, ghost_type);
},
py::arg("type"), py::arg("ghost_type") = _not_ghost,
py::return_value_policy::reference)
.def(
"getOpening",
[](MaterialCohesive & self, ElementType type, GhostType ghost_type)
-> decltype(auto) { return self.getOpening(type, ghost_type); },
py::arg("type"), py::arg("ghost_type") = _not_ghost,
py::return_value_policy::reference)
.def(
"getTraction",
[](MaterialCohesive & self, ElementType type, GhostType ghost_type)
-> decltype(auto) { return self.getTraction(type, ghost_type); },
py::arg("type"), py::arg("ghost_type") = _not_ghost,
py::return_value_policy::reference);
register_material_cohesive_classes<MaterialCohesiveLinear<2>>(
mod, "MaterialCohesiveLinear2D");
register_material_cohesive_classes<MaterialCohesiveLinear<3>>(
mod, "MaterialCohesiveLinear3D");
register_material_cohesive_classes<MaterialCohesiveLinearFriction<2>>(
mod, "MaterialCohesiveLinearFriction2D");
register_material_cohesive_classes<MaterialCohesiveLinearFriction<3>>(
mod, "MaterialCohesiveLinearFriction3D");
#endif
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](Int 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);
});
})
.def("getPossibleAllocators", &MaterialFactory::getPossibleAllocators);
}
} // namespace akantu
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