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Mesh.hpp
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Wed, May 8, 13:20
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Fri, May 10, 13:20 (2 d)
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rGOOSEFEM GooseFEM
Mesh.hpp
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/* =================================================================================================
(c - GPLv3) T.W.J. de Geus (Tom) | tom@geus.me | www.geus.me | github.com/tdegeus/GooseFEM
================================================================================================= */
#include <GooseFEM/GooseFEM.h>
#include <pybind11/pybind11.h>
#include <pyxtensor/pyxtensor.hpp>
namespace py = pybind11;
void init_Mesh(py::module& m)
{
py::enum_<GooseFEM::Mesh::ElementType>(m,
"ElementType",
"ElementType."
"See :cpp:enum:`GooseFEM::Mesh::ElementType`.")
.value("Tri3", GooseFEM::Mesh::ElementType::Tri3)
.value("Quad4", GooseFEM::Mesh::ElementType::Quad4)
.value("Hex8", GooseFEM::Mesh::ElementType::Hex8)
.export_values();
m.def(
"overlapping",
&GooseFEM::Mesh::overlapping,
"Find overlapping nodes."
"See :cpp:func:`GooseFEM::Mesh::overlapping`.",
py::arg("coor_a"),
py::arg("coor_b"),
py::arg("rtol") = 1e-5,
py::arg("atol") = 1e-8);
py::class_<GooseFEM::Mesh::ManualStitch>(m, "ManualStitch")
.def(
py::init<
const xt::xtensor<double, 2>&,
const xt::xtensor<size_t, 2>&,
const xt::xtensor<size_t, 1>&,
const xt::xtensor<double, 2>&,
const xt::xtensor<size_t, 2>&,
const xt::xtensor<size_t, 1>&,
bool,
double,
double>(),
"Manually stitch meshes."
"See :cpp:class:`GooseFEM::Mesh::ManualStitch`.",
py::arg("coor_a"),
py::arg("conn_a"),
py::arg("overlapping_nodes_a"),
py::arg("coor_b"),
py::arg("conn_b"),
py::arg("overlapping_nodes_b"),
py::arg("check_position") = true,
py::arg("rtol") = 1e-5,
py::arg("atol") = 1e-8)
.def(
"coor",
&GooseFEM::Mesh::ManualStitch::coor,
"Coordinates of stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::ManualStitch::coor`.")
.def(
"conn",
&GooseFEM::Mesh::ManualStitch::conn,
"Connectivity of stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::ManualStitch::conn`.")
.def(
"nodemap",
&GooseFEM::Mesh::ManualStitch::nodemap,
"Map to new node-numbers."
"See :cpp:func:`GooseFEM::Mesh::ManualStitch::nodemap`.")
.def(
"elemmap",
&GooseFEM::Mesh::ManualStitch::elemmap,
"Map to new element-numbers."
"See :cpp:func:`GooseFEM::Mesh::ManualStitch::elemmap`.")
.def(
"nodeset",
&GooseFEM::Mesh::ManualStitch::nodeset,
"Convert node-set to the stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::ManualStitch::nodeset`.",
py::arg("set"),
py::arg("mesh_index"))
.def(
"elemset",
&GooseFEM::Mesh::ManualStitch::elemset,
"Convert element-set to the stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::ManualStitch::elemset`.",
py::arg("set"),
py::arg("mesh_index"))
.def(
"__repr__", [](const GooseFEM::Mesh::ManualStitch&) {
return "<GooseFEM.Mesh.ManualStitch>"; });
py::class_<GooseFEM::Mesh::Stitch>(m, "Stitch")
.def(
py::init<double, double>(),
"Stitch meshes."
"See :cpp:class:`GooseFEM::Mesh::Stitch`.",
py::arg("rtol") = 1e-5,
py::arg("atol") = 1e-8)
.def(
"push_back",
&GooseFEM::Mesh::Stitch::push_back,
"Add mesh to be stitched."
"See :cpp:func:`GooseFEM::Mesh::Stitch::push_back`.",
py::arg("coor"),
py::arg("conn"))
.def(
"coor",
&GooseFEM::Mesh::Stitch::coor,
"Coordinates of stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::coor`.")
.def(
"conn",
&GooseFEM::Mesh::Stitch::conn,
"Connectivity of stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::coor`.")
.def(
"nodemap",
&GooseFEM::Mesh::Stitch::nodemap,
"Node-map for given mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::nodemap`.",
py::arg("mesh_index"))
.def(
"elemmap",
&GooseFEM::Mesh::Stitch::elemmap,
"Element-map for given mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::elemmap`.",
py::arg("mesh_index"))
.def(
"nodeset",
py::overload_cast<const xt::xtensor<size_t, 1>&, size_t>(
&GooseFEM::Mesh::Stitch::nodeset, py::const_),
"Convert node-set to the stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::nodeset`.",
py::arg("set"),
py::arg("mesh_index"))
.def(
"elemset",
py::overload_cast<const xt::xtensor<size_t, 1>&, size_t>(
&GooseFEM::Mesh::Stitch::elemset, py::const_),
"Convert element-set to the stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::elemset`.",
py::arg("set"),
py::arg("mesh_index"))
.def(
"nodeset",
py::overload_cast<const std::vector<xt::xtensor<size_t, 1>>&>(
&GooseFEM::Mesh::Stitch::nodeset, py::const_),
"Convert node-set to the stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::nodeset`.",
py::arg("set"))
.def(
"elemset",
py::overload_cast<const std::vector<xt::xtensor<size_t, 1>>&>(
&GooseFEM::Mesh::Stitch::elemset, py::const_),
"Convert element-set to the stitched mesh."
"See :cpp:func:`GooseFEM::Mesh::Stitch::elemset`.",
py::arg("set"))
.def(
"__repr__", [](const GooseFEM::Mesh::Stitch&) { return "<GooseFEM.Mesh.Stitch>"; });
py::class_<GooseFEM::Mesh::Renumber>(m, "Renumber")
.def(
py::init<const xt::xarray<size_t>&>(),
"Renumber to lowest possible index."
"See :cpp:class:`GooseFEM::Mesh::Renumber`.",
py::arg("dofs"))
.def(
"get",
&GooseFEM::Mesh::Renumber::get,
"Get renumbered DOFs."
"See :cpp:func:`GooseFEM::Mesh::Renumber::get`.")
.def(
"apply",
&GooseFEM::Mesh::Renumber::apply<xt::xarray<size_t>>,
"Get renumbered list."
"See :cpp:func:`GooseFEM::Mesh::Renumber::apply`.")
.def(
"index",
&GooseFEM::Mesh::Renumber::index,
"Get index list to apply renumbering. Apply renumbering using ``index[dofs]``."
"See :cpp:func:`GooseFEM::Mesh::Renumber::index`.")
.def(
"__repr__", [](const GooseFEM::Mesh::Renumber&) { return "<GooseFEM.Mesh.Renumber>"; });
py::class_<GooseFEM::Mesh::Reorder>(m, "Reorder")
.def(
py::init([](xt::xtensor<size_t, 1>& a) { return new GooseFEM::Mesh::Reorder({a}); }),
"Reorder to lowest possible index."
"See :cpp:class:`GooseFEM::Mesh::Reorder`.")
.def(
py::init([](xt::xtensor<size_t, 1>& a, xt::xtensor<size_t, 1>& b) {
return new GooseFEM::Mesh::Reorder({a, b});
}),
"Reorder to lowest possible index."
"See :cpp:class:`GooseFEM::Mesh::Reorder`.")
.def(
py::init(
[](xt::xtensor<size_t, 1>& a, xt::xtensor<size_t, 1>& b, xt::xtensor<size_t, 1>& c) {
return new GooseFEM::Mesh::Reorder({a, b, c});
}),
"Reorder to lowest possible index."
"See :cpp:class:`GooseFEM::Mesh::Reorder`.")
.def(
py::init([](xt::xtensor<size_t, 1>& a,
xt::xtensor<size_t, 1>& b,
xt::xtensor<size_t, 1>& c,
xt::xtensor<size_t, 1>& d) {
return new GooseFEM::Mesh::Reorder({a, b, c, d});
}),
"Reorder to lowest possible index."
"See :cpp:class:`GooseFEM::Mesh::Reorder`.")
.def(
"get",
&GooseFEM::Mesh::Reorder::get,
"Reorder matrix (e.g. ``dofs``)."
"See :cpp:func:`GooseFEM::Mesh::Reorder::get`.",
py::arg("dofs"))
.def(
"apply",
&GooseFEM::Mesh::Reorder::apply<xt::xarray<size_t>>,
"Get reordered list."
"See :cpp:func:`GooseFEM::Mesh::Reorder::apply`.")
.def(
"index",
&GooseFEM::Mesh::Reorder::index,
"Get index list to apply renumbering. Apply renumbering using ``index[dofs]``."
"See :cpp:func:`GooseFEM::Mesh::Reorder::index`.")
.def("__repr__", [](const GooseFEM::Mesh::Reorder&) { return "<GooseFEM.Mesh.Reorder>"; });
m.def(
"dofs",
&GooseFEM::Mesh::dofs,
"List with DOF-numbers in sequential order."
"See :cpp:func:`GooseFEM::Mesh::dofs`.",
py::arg("nnode"),
py::arg("ndim"));
m.def(
"renumber",
&GooseFEM::Mesh::renumber,
"Renumber to lowest possible indices."
"See :cpp:func:`GooseFEM::Mesh::renumber`.",
py::arg("dofs"));
m.def(
"coordination",
&GooseFEM::Mesh::coordination,
"Coordination number of each node."
"See :cpp:func:`GooseFEM::Mesh::coordination`.",
py::arg("conn"));
m.def(
"elem2node",
&GooseFEM::Mesh::elem2node,
"Element-numbers connected to each node."
"See :cpp:func:`GooseFEM::Mesh::elem2node`.",
py::arg("conn"),
py::arg("sorted") = true);
m.def(
"edgesize",
py::overload_cast<const xt::xtensor<double, 2>&, const xt::xtensor<size_t, 2>&>(
&GooseFEM::Mesh::edgesize),
"Get the edge size of all elements."
"See :cpp:func:`GooseFEM::Mesh::edgesize`.",
py::arg("coor"),
py::arg("conn"));
m.def(
"edgesize",
py::overload_cast<
const xt::xtensor<double, 2>&,
const xt::xtensor<size_t, 2>&,
GooseFEM::Mesh::ElementType>(&GooseFEM::Mesh::edgesize),
"Get the edge size of all elements."
"See :cpp:func:`GooseFEM::Mesh::edgesize`.",
py::arg("coor"),
py::arg("conn"),
py::arg("type"));
m.def(
"centers",
py::overload_cast<const xt::xtensor<double, 2>&, const xt::xtensor<size_t, 2>&>(
&GooseFEM::Mesh::centers),
"Coordinates of the center of each element."
"See :cpp:func:`GooseFEM::Mesh::centers`.",
py::arg("coor"),
py::arg("conn"));
m.def(
"centers",
py::overload_cast<
const xt::xtensor<double, 2>&,
const xt::xtensor<size_t, 2>&,
GooseFEM::Mesh::ElementType>(&GooseFEM::Mesh::centers),
"Coordinates of the center of each element."
"See :cpp:func:`GooseFEM::Mesh::centers`.",
py::arg("coor"),
py::arg("conn"),
py::arg("type"));
m.def(
"elemmap2nodemap",
py::overload_cast<
const xt::xtensor<size_t, 1>&,
const xt::xtensor<double, 2>&,
const xt::xtensor<size_t, 2>&>(&GooseFEM::Mesh::elemmap2nodemap),
"Convert an element-map to a node-map."
"See :cpp:func:`GooseFEM::Mesh::elemmap2nodemap`.",
py::arg("elem_map"),
py::arg("coor"),
py::arg("conn"));
m.def(
"elemmap2nodemap",
py::overload_cast<
const xt::xtensor<size_t, 1>&,
const xt::xtensor<double, 2>&,
const xt::xtensor<size_t, 2>&,
GooseFEM::Mesh::ElementType>(&GooseFEM::Mesh::elemmap2nodemap),
"Convert an element-map to a node-map."
"See :cpp:func:`GooseFEM::Mesh::elemmap2nodemap`.",
py::arg("elem_map"),
py::arg("coor"),
py::arg("conn"),
py::arg("type"));
}
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