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discretize a BilinearForm with spaces of different degree #517

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discretize a BilinearForm with spaces of different degree #517

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9 changes: 6 additions & 3 deletions psydac/api/discretization.py
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Original file line number Diff line number Diff line change
Expand Up @@ -329,7 +329,7 @@ def reduce_space_degrees(V, Vh, *, basis='B', sequence='DR'):

#==============================================================================
# TODO knots
def discretize_space(V, domain_h, *, degree=None, multiplicity=None, knots=None, basis='B', sequence='DR'):
def discretize_space(V, domain_h, *, degree=None, multiplicity=None, knots=None, basis='B', sequence='DR', pads=None):
"""
This function creates the discretized space starting from the symbolic space.

Expand Down Expand Up @@ -457,6 +457,9 @@ def discretize_space(V, domain_h, *, degree=None, multiplicity=None, knots=None,
min_coords = interior.min_coords
max_coords = interior.max_coords

if pads == None:
pads = [None] * len(degree_i)

assert len(ncells) == len(periodic) == len(degree_i) == len(multiplicity_i) == len(min_coords) == len(max_coords)

if knots is None:
Expand All @@ -465,10 +468,10 @@ def discretize_space(V, domain_h, *, degree=None, multiplicity=None, knots=None,
for xmin, xmax, ne in zip(min_coords, max_coords, ncells)]

# Create 1D finite element spaces and precompute quadrature data
spaces[i] = [SplineSpace( p, multiplicity=m, grid=grid , periodic=P) for p,m,grid,P in zip(degree_i, multiplicity_i,grids, periodic)]
spaces[i] = [SplineSpace( p, multiplicity=m, grid=grid , periodic=P, pads=pd) for p,m,grid,P,pd in zip(degree_i, multiplicity_i,grids, periodic, pads)]
else:
# Create 1D finite element spaces and precompute quadrature data
spaces[i] = [SplineSpace( p, knots=T , periodic=P) for p,T, P in zip(degree_i, knots[interior.name], periodic)]
spaces[i] = [SplineSpace( p, knots=T , periodic=P, pads=pd) for p,T,P,pd in zip(degree_i, knots[interior.name], periodic, pads)]


carts = create_cart(ddms, spaces)
Expand Down