本文整理匯總了Python中sfepy.discrete.Variables.advance方法的典型用法代碼示例。如果您正苦於以下問題:Python Variables.advance方法的具體用法?Python Variables.advance怎麽用?Python Variables.advance使用的例子?那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類sfepy.discrete.Variables
的用法示例。
在下文中一共展示了Variables.advance方法的1個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: Equations
# 需要導入模塊: from sfepy.discrete import Variables [as 別名]
# 或者: from sfepy.discrete.Variables import advance [as 別名]
#.........這裏部分代碼省略.........
shape = get_default(shape, self.variables.get_matrix_shape())
output('matrix shape:', shape, verbose=verbose)
if nm.prod(shape) == 0:
output('no matrix (zero size)!')
return None
rdcs, cdcs = self.get_graph_conns(any_dof_conn=any_dof_conn,
rdcs=rdcs, cdcs=cdcs,
active_only=active_only)
if not len(rdcs):
output('no matrix (empty dof connectivities)!')
return None
output('assembling matrix graph...', verbose=verbose)
tt = time.clock()
nnz, prow, icol = create_mesh_graph(shape[0], shape[1],
len(rdcs), rdcs, cdcs)
output('...done in %.2f s' % (time.clock() - tt), verbose=verbose)
output('matrix structural nonzeros: %d (%.2e%% fill)' \
% (nnz, float(nnz) / nm.prod(shape)), verbose=verbose)
data = nm.zeros((nnz,), dtype=self.variables.dtype)
matrix = sp.csr_matrix((data, icol, prow), shape)
return matrix
def init_time(self, ts):
pass
def advance(self, ts):
for eq in self:
for term in eq.terms:
term.advance(ts)
self.variables.advance(ts)
##
# Interface to self.variables.
def create_state_vector(self):
return self.variables.create_state_vector()
def create_stripped_state_vector(self):
return self.variables.create_stripped_state_vector()
def strip_state_vector(self, vec, follow_epbc=False):
"""
Strip a full vector by removing EBC dofs.
Notes
-----
If 'follow_epbc' is True, values of EPBC master dofs are not simply
thrown away, but added to the corresponding slave dofs, just like when
assembling. For vectors with state (unknown) variables it should be set
to False, for assembled vectors it should be set to True.
"""
return self.variables.strip_state_vector(vec, follow_epbc=follow_epbc)
def make_full_vec(self, svec, force_value=None):
"""
Make a full DOF vector satisfying E(P)BCs from a reduced DOF
vector.
"""