def __init__(self, name, nurbs, bmesh, regions=None, **kwargs):
"""
Create an IGA domain.
Parameters
----------
name : str
The domain name.
"""
Domain.__init__(self,
name,
nurbs=nurbs,
bmesh=bmesh,
regions=regions,
**kwargs)
from sfepy.discrete.fem.geometry_element import create_geometry_elements
from sfepy.discrete.fem import Mesh
from sfepy.discrete.fem.extmods.cmesh import CMesh
from sfepy.discrete.fem.utils import prepare_remap
self.facets = iga.get_bezier_element_entities(nurbs.degrees)
tconn = iga.get_bezier_topology(bmesh.conn, nurbs.degrees)
itc = nm.unique(tconn)
remap = prepare_remap(itc, bmesh.conn.max() + 1)
ltcoors = bmesh.cps[itc]
ltconn = remap[tconn]
n_nod, dim = ltcoors.shape
n_el = ltconn.shape[0]
self.shape = Struct(n_nod=n_nod, dim=dim, tdim=0, n_el=n_el, n_gr=1)
desc = '%d_%d' % (dim, 2**dim)
mat_id = nm.zeros(ltconn.shape[0], dtype=nm.int32)
self.mesh = Mesh.from_data(self.name + '_topo', ltcoors, None,
[ltconn], [mat_id], [desc])
self.cmesh = CMesh.from_mesh(self.mesh)
gels = create_geometry_elements()
self.cmesh.set_local_entities(gels)
self.cmesh.setup_entities()
self.shape.tdim = self.cmesh.tdim
self.gel = gels[desc]
if regions is not None:
self.vertex_set_bcs = {}
for key, val in self.regions.iteritems():
self.vertex_set_bcs[key] = remap[val]
self.cell_offsets = {0: 0}
self.reset_regions()
def __init__(self, name, mesh, verbose=False, **kwargs):
"""Create a Domain.
Parameters
----------
name : str
Object name.
mesh : Mesh
A mesh defining the domain.
"""
Domain.__init__(self, name, mesh=mesh, verbose=verbose, **kwargs)
self.geom_els = geom_els = {}
for ig, desc in enumerate(mesh.descs):
gel = GeometryElement(desc)
# Create geometry elements of dimension - 1.
gel.create_surface_facet()
geom_els[desc] = gel
self.geom_interps = interps = {}
for gel in geom_els.itervalues():
key = gel.get_interpolation_name()
gel.interp = interps.setdefault(key, fea.Interpolant(key, gel))
gel = gel.surface_facet
if gel is not None:
key = gel.get_interpolation_name()
gel.interp = interps.setdefault(key, fea.Interpolant(key, gel))
self.vertex_set_bcs = self.mesh.nodal_bcs
self.mat_ids_to_i_gs = {}
for ig, mat_id in enumerate(mesh.mat_ids):
self.mat_ids_to_i_gs[mat_id[0]] = ig
n_nod, dim = self.mesh.coors.shape
self.shape = Struct(n_nod=n_nod, dim=dim, tdim=0,
n_el=0,
n_gr=len(self.mesh.conns))
self.setup_groups()
self.fix_element_orientation()
self.reset_regions()
self.clear_surface_groups()
from sfepy.discrete.fem.geometry_element import create_geometry_elements
from sfepy.discrete.fem.extmods.cmesh import CMesh
self.cmesh = CMesh.from_mesh(mesh)
gels = create_geometry_elements()
self.cmesh.set_local_entities(gels)
self.cmesh.setup_entities()
self.shape.tdim = self.cmesh.tdim
self.cell_offsets = self.mesh.el_offsets
def test_cmesh_counts(self):
from sfepy.discrete.fem import Mesh
from sfepy.discrete.fem.geometry_element import create_geometry_elements
from sfepy.discrete.fem.extmods.cmesh import CMesh, get_cmem_usage
gels = create_geometry_elements()
ok = True
for filename in self.filename_meshes:
basename = os.path.basename(filename)
enum, esizes = expected[basename]
self.report('mesh: %s' % basename)
mesh = Mesh.from_file(filename)
cmesh = CMesh.from_mesh(mesh)
cmesh.set_local_entities(gels)
cmesh.setup_entities()
self.report('dim:', cmesh.dim)
self.report('n_vertex: %d, n_edge: %d, n_face: %d, n_cell: %d' %
tuple(cmesh.num))
_ok = (enum == cmesh.num).all()
if not _ok:
self.report('%s == %s failed!' % (enum, cmesh.num))
ok = ok and _ok
dim = cmesh.dim
for ir in range(dim + 1):
for ic in range(dim + 1):
cmesh.setup_connectivity(ir, ic)
mem_usage1 = get_cmem_usage()[0]
if (ir == dim) and (ic == 0):
continue
cmesh.free_connectivity(ir, ic)
mem_usage2 = get_cmem_usage()[0]
cmesh.setup_connectivity(ir, ic)
mem_usage3 = get_cmem_usage()[0]
conn = cmesh.get_conn(ir, ic)
self.report('(%d, %d) : (%d, %d)' %
(ir, ic, conn.num, conn.n_incident))
sizes = nm.array([conn.num, conn.n_incident])
_ok = (esizes[ir, ic] == sizes).all()
if not _ok:
self.report('%s == %s failed!' % (esizes, sizes))
ok = ok and _ok
_ok1 = mem_usage3 == mem_usage1
_ok2 = mem_usage3 > mem_usage2
if not (_ok1 and _ok2):
self.report('unexpected memory usage! (%s)' %
(mem_usage1, mem_usage2, mem_usage3))
ok = ok and (_ok1 and _ok2)
return ok