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comparison src/SbpOperators/boundaryops/boundary_operator.jl @ 1073:5a3281429a48 feature/variable_derivatives

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Merge feature/variable_derivatives
author Jonatan Werpers <jonatan@werpers.com>
date Thu, 24 Mar 2022 12:35:14 +0100
parents 3bb94ce74697 52f07c77299d
children 102ebdaf7c11
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1068:0b0444adacd3 1073:5a3281429a48
10 the boundary restriction operator in the y-direction direction is `Ix⊗op⊗Iz`. 10 the boundary restriction operator in the y-direction direction is `Ix⊗op⊗Iz`.
11 """ 11 """
12 function boundary_operator(grid::EquidistantGrid, closure_stencil, boundary::CartesianBoundary) 12 function boundary_operator(grid::EquidistantGrid, closure_stencil, boundary::CartesianBoundary)
13 #TODO:Check that dim(boundary) <= Dim? 13 #TODO:Check that dim(boundary) <= Dim?
14 14
15 # Create 1D boundary operator
16 r = region(boundary)
17 d = dim(boundary) 15 d = dim(boundary)
18 op = BoundaryOperator(restrict(grid, d), closure_stencil, r) 16 op = BoundaryOperator(restrict(grid, d), closure_stencil, region(boundary))
19 17
20 # Create 1D IdentityTensors for each coordinate direction 18 # Create 1D IdentityTensors for each coordinate direction
21 one_d_grids = restrict.(Ref(grid), Tuple(1:dimension(grid))) 19 one_d_grids = restrict.(Ref(grid), Tuple(1:dimension(grid)))
22 Is = IdentityTensor{eltype(grid)}.(size.(one_d_grids)) 20 Is = IdentityTensor{eltype(grid)}.(size.(one_d_grids))
23 21
24 # Formulate the correct outer product sequence of the identity mappings and 22 return LazyTensors.inflate(op, size(grid), d)
25 # the boundary operator
26 parts = Base.setindex(Is, op, d)
27 return foldl(⊗, parts)
28 end 23 end
29 24
30 """ 25 """
31 BoundaryOperator{T,R,N} <: LazyTensor{T,0,1} 26 BoundaryOperator{T,R,N} <: LazyTensor{T,0,1}
32 27