sfepy.discrete.fem.facets module
Helper functions related to mesh facets and Lagrange FE approximation.
Line: ori - iter:
0 - iter0
1 - iter1
Triangle: ori - iter:
0 - iter21
1 - iter12
3 - iter02
4 - iter20
6 - iter10
7 - iter01
Possible couples:
1, 4, 7 <-> 0, 3, 6
Square: ori - iter:
0 - iter10x01y
7 - iter10y01x
11 - iter01y01x
30 - iter01x10y
33 - iter10x10y
52 - iter01y10x
56 - iter10y10x
63 - iter01x01y
Possible couples:
7, 33, 52, 63 <-> 0, 11, 30, 56
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sfepy.discrete.fem.facets.build_orientation_map(n_fp)[source]
The keys are binary masks of the lexicographical ordering of facet
vertices. A bit i set to one means v[i] < v[i+1].
The values are [original_order, permutation], where permutation can be
used to sort facet vertices lexicographically. Hence permuted_facet =
facet[permutation].
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sfepy.discrete.fem.facets.get_facet_dof_permutations(n_fp, igs, order)[source]
Prepare DOF permutation vector for each possible facet orientation.
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sfepy.discrete.fem.facets.iter0(num)[source]
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sfepy.discrete.fem.facets.iter01(num)[source]
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sfepy.discrete.fem.facets.iter01x01y(num)[source]
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sfepy.discrete.fem.facets.iter01x10y(num)[source]
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sfepy.discrete.fem.facets.iter01y01x(num)[source]
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sfepy.discrete.fem.facets.iter01y10x(num)[source]
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sfepy.discrete.fem.facets.iter02(num)[source]
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sfepy.discrete.fem.facets.iter1(num)[source]
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sfepy.discrete.fem.facets.iter10(num)[source]
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sfepy.discrete.fem.facets.iter10x01y(num)[source]
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sfepy.discrete.fem.facets.iter10x10y(num)[source]
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sfepy.discrete.fem.facets.iter10y01x(num)[source]
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sfepy.discrete.fem.facets.iter10y10x(num)[source]
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sfepy.discrete.fem.facets.iter12(num)[source]
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sfepy.discrete.fem.facets.iter20(num)[source]
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sfepy.discrete.fem.facets.iter21(num)[source]
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sfepy.discrete.fem.facets.make_line_matrix(order)[source]
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sfepy.discrete.fem.facets.make_square_matrix(order)[source]
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sfepy.discrete.fem.facets.make_triangle_matrix(order)[source]