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annotate src/SbpOperators/boundaryops/boundary_restriction.jl @ 933:d83f685f1031 feature/laplace_opset

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Fix bug when construcing normal_derivative from a stencil set
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Fri, 25 Feb 2022 16:34:35 +0100
parents 6b47a9ee1632
children 22c80fb36400
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db64cfe4d9de Start sketching on 1D boundary restriction operators.
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1 """
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 871
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2 boundary_restriction(grid, closure_stencil::Stencil, boundary)
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3
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 871
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4 Creates boundary restriction operators `e` as `TensorMapping`s on `boundary`
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5
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parents: 871
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6 `e` is the restriction of a grid function to `boundary` using a `Stencil` `closure_stencil`.
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parents: 871
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7 `e'` is the prolongation of a grid function on `boundary`` to the whole grid using the same `closure_stencil`.
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8 On a one-dimensional `grid`, `e` is a `BoundaryOperator`. On a multi-dimensional `grid`, `e` is the inflation of
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parents: 871
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9 a `BoundaryOperator`. See also [`SbpOperators.boundary_operator`](@ref).
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10 """
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parents: 871
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11 function boundary_restriction(grid, closure_stencil::Stencil, boundary)
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12 converted_stencil = convert(Stencil{eltype(grid)}, closure_stencil)
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13 return SbpOperators.boundary_operator(grid, converted_stencil, boundary)
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14 end
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parents: 871
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parents: 871
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16 """
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 871
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17 boundary_restriction(grid, stencil_set, boundary)
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parents: 871
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parents: 871
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19 Creates a `boundary_restriction` operator on `grid` given a parsed TOML
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 871
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20 `stencil_set`.
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 871
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21 """
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Vidar Stiernström <vidar.stiernstrom@it.uu.se>
parents: 871
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22 boundary_restriction(grid, stencil_set, boundary) = boundary_restriction(grid, parse_stencil(stencil_set["e"]["closure"]), boundary)