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Bugfix for periodic boundary conditions #102

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Bugfix for periodic boundary conditions #102

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11 changes: 4 additions & 7 deletions src/TO.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -145,21 +145,18 @@ function adaptiveTOCollocationStiffnessMatrix(ctx::GridContext{2}, flow_maps, ti
else
N = length(times)
end
num_real_points = ctx.n
if on_torus || on_cylinder
num_real_points = ctx.n - length(bdata.periodic_dofs_from)
end
flow_map_images = zeros(Vec{2}, (N,num_real_points))

flow_map_images = zeros(Vec{2}, (N,ctx.n))
if times === nothing
for i in 1:num_real_points
for i in 1:ctx.n
if flow_map_mode == 0
flow_map_images[1,i] = Vec{2}(flow_maps(ctx.grid.nodes[i].x))
else
flow_map_images[1,i] = Vec{2}(flow_maps(i))
end
end
else
for i in 1:num_real_points
for i in 1:ctx.n
if flow_map_mode == 0
flow_map_images[:,i] = Vec{2}.(flow_maps(ctx.grid.nodes[i].x, times))
else
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11 changes: 11 additions & 0 deletions test/test_fem.jl
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Expand Up @@ -155,4 +155,15 @@ end

λ, = get_smallest_eigenpairs(D, M, 3)
@test all(<(sqrt(eps())), λ)

LL, UR = (0., 0.), (1., 1.)
gs = 10
ctx, _ = regularTriangularGrid((gs, gs), LL, UR);
predicate = (p1, p2) -> peuclidean(p1, p2, [1.0,Inf]) < 2e-10
bdata = BoundaryData(ctx, predicate, [])

@test !isnothing(
adaptiveTOCollocationStiffnessMatrix(
ctx, identity; on_cylinder=true, bdata)
)
end