def make_cylinder_mesh(radius=0.5, height=1, radial_subdivisions=10,
height_subdivisions=1, max_volume=None, periodic=False,
boundary_tagger=(lambda fvi, el, fn, all_v: [])):
from meshpy.tet import MeshInfo, build
from meshpy.geometry import make_cylinder
points, facets, facet_holestarts, facet_markers = \
make_cylinder(radius, height, radial_subdivisions,
height_subdivisions)
assert len(facets) == len(facet_markers)
if periodic:
return _make_z_periodic_mesh(
points, facets, facet_holestarts, facet_markers,
height=height,
max_volume=max_volume,
boundary_tagger=boundary_tagger)
else:
mesh_info = MeshInfo()
mesh_info.set_points(points)
mesh_info.set_facets_ex(facets, facet_holestarts, facet_markers)
generated_mesh = build(mesh_info, max_volume=max_volume)
from hedge.mesh import make_conformal_mesh_ext
from hedge.mesh.element import Tetrahedron
vertices = numpy.asarray(generated_mesh.points, dtype=float, order="C")
return make_conformal_mesh_ext(
vertices,
[Tetrahedron(i, el_idx, vertices)
for i, el_idx in enumerate(generated_mesh.elements)],
boundary_tagger)
# -*- coding: utf-8 -*- """ Created on Thu Oct 22 15:02:51 2015 @author: Hagen Meredig """ from meshpy import geometry from meshpy.tet import MeshInfo, build dat = (geometry.make_cylinder(2, 1, radial_subdivisions=10, height_subdivisions=1)) builder = geometry.GeometryBuilder() builder.add_geometry(*dat) info = MeshInfo() builder.set(info)
