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rAKA/python/py_fe_engine.cc
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py_fe_engine.cc
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/**
* @file py_fe_engine.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Nov 27 2019
* @date last modification: Sat Dec 12 2020
*
* @brief pybind11 interface to FEEngine
*
*
* @section LICENSE
*
* Copyright (©) 2018-2021 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* 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_aka_common.hh"
/* -------------------------------------------------------------------------- */
#include <element.hh>
#include <fe_engine.hh>
#include <integration_point.hh>
/* -------------------------------------------------------------------------- */
#include <pybind11/functional.h>
#include <pybind11/pybind11.h>
#include <pybind11/stl.h>
/* -------------------------------------------------------------------------- */
namespace py = pybind11;
/* -------------------------------------------------------------------------- */
namespace akantu {
void register_fe_engine(py::module & mod) {
py::class_<Element>(mod, "Element")
.def(py::init([](ElementType type, UInt id) {
return new Element{type, id, _not_ghost};
}))
.def(py::init([](ElementType type, UInt id, GhostType ghost_type) {
return new Element{type, id, ghost_type};
}))
.def("__lt__",
[](Element & self, const Element & other) { return (self < other); })
.def("__repr__", [](Element & self) { return std::to_string(self); });
mod.attr("ElementNull") = ElementNull;
py::class_<FEEngine>(mod, "FEEngine")
.def(
"getNbIntegrationPoints",
[](FEEngine & fem, const ElementType & type,
const GhostType & ghost_type) {
return fem.getNbIntegrationPoints(type, ghost_type);
},
py::arg("type"), py::arg("ghost_type") = _not_ghost)
.def(
"gradientOnIntegrationPoints",
[](FEEngine & fem, const Array<Real> & u, Array<Real> & nablauq,
UInt nb_degree_of_freedom, ElementType type, GhostType ghost_type,
const Array<UInt> * filter_elements) {
if (filter_elements == nullptr) {
// This is due to the ArrayProxy that looses the
// empty_filter information
filter_elements = &empty_filter;
}
fem.gradientOnIntegrationPoints(u, nablauq, nb_degree_of_freedom,
type, ghost_type, *filter_elements);
},
py::arg("u"), py::arg("nablauq"), py::arg("nb_degree_of_freedom"),
py::arg("type"), py::arg("ghost_type") = _not_ghost,
py::arg("filter_elements") = nullptr)
.def(
"interpolateOnIntegrationPoints",
[](FEEngine & self, const Array<Real> & u, Array<Real> & uq,
UInt nb_degree_of_freedom, ElementType type, GhostType ghost_type,
const Array<UInt> * filter_elements) {
if (filter_elements == nullptr) {
// This is due to the ArrayProxy that looses the
// empty_filter information
filter_elements = &empty_filter;
}
self.interpolateOnIntegrationPoints(u, uq, nb_degree_of_freedom,
type, ghost_type,
*filter_elements);
},
py::arg("u"), py::arg("uq"), py::arg("nb_degree_of_freedom"),
py::arg("type"), py::arg("ghost_type") = _not_ghost,
py::arg("filter_elements") = nullptr)
.def(
"interpolateOnIntegrationPoints",
[](FEEngine & self, const Array<Real> & u,
ElementTypeMapArray<Real> & uq,
const ElementTypeMapArray<UInt> * filter_elements) {
self.interpolateOnIntegrationPoints(u, uq, filter_elements);
},
py::arg("u"), py::arg("uq"), py::arg("filter_elements") = nullptr)
.def(
"computeIntegrationPointsCoordinates",
[](FEEngine & self, ElementTypeMapArray<Real> & coordinates,
const ElementTypeMapArray<UInt> * filter_elements)
-> decltype(auto) {
return self.computeIntegrationPointsCoordinates(coordinates,
filter_elements);
},
py::arg("coordinates"), py::arg("filter_elements") = nullptr)
.def(
"assembleFieldLumped",
[](FEEngine & fem,
const std::function<void(Matrix<Real> &, const Element &)> &
field_funct,
const ID & matrix_id, const ID & dof_id, DOFManager & dof_manager,
ElementType type, GhostType ghost_type) {
fem.assembleFieldLumped(field_funct, matrix_id, dof_id, dof_manager,
type, ghost_type);
},
py::arg("field_funct"), py::arg("matrix_id"), py::arg("dof_id"),
py::arg("dof_manager"), py::arg("type"),
py::arg("ghost_type") = _not_ghost)
.def(
"assembleFieldMatrix",
[](FEEngine & fem,
const std::function<void(Matrix<Real> &, const Element &)> &
field_funct,
const ID & matrix_id, const ID & dof_id, DOFManager & dof_manager,
ElementType type, GhostType ghost_type = _not_ghost) {
fem.assembleFieldMatrix(field_funct, matrix_id, dof_id, dof_manager,
type, ghost_type);
},
py::arg("field_funct"), py::arg("matrix_id"), py::arg("dof_id"),
py::arg("dof_manager"), py::arg("type"),
py::arg("ghost_type") = _not_ghost)
.def("getElementInradius", [](FEEngine & self, const Element & element) {
return self.getElementInradius(element);
});
py::class_<IntegrationPoint>(mod, "IntegrationPoint");
}
} // namespace akantu
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