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comparison src/SbpOperators/volumeops/derivatives/second_derivative.jl @ 964:2ae62dbaf839 feature/laplace_opset

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Add method for creating second derivative from a stencil set.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Mon, 14 Mar 2022 10:43:11 +0100
parents 6a8d7fbf55fc
children 7bf3121c6864 1ba8a398af9c
comparison
equal deleted inserted replaced
963:52a0ebad0778 964:2ae62dbaf839
14 """ 14 """
15 function second_derivative(grid::EquidistantGrid, inner_stencil, closure_stencils, direction) 15 function second_derivative(grid::EquidistantGrid, inner_stencil, closure_stencils, direction)
16 h_inv = inverse_spacing(grid)[direction] 16 h_inv = inverse_spacing(grid)[direction]
17 return SbpOperators.volume_operator(grid, scale(inner_stencil,h_inv^2), scale.(closure_stencils,h_inv^2), even, direction) 17 return SbpOperators.volume_operator(grid, scale(inner_stencil,h_inv^2), scale.(closure_stencils,h_inv^2), even, direction)
18 end 18 end
19 second_derivative(grid::EquidistantGrid{1}, inner_stencil, closure_stencils) = second_derivative(grid,inner_stencil,closure_stencils,1) 19 second_derivative(grid::EquidistantGrid{1}, inner_stencil::Stencil, closure_stencils) = second_derivative(grid,inner_stencil,closure_stencils,1)
20 20
21 # REVIEW: Stencil set method? 21 """
22 second_derivative(grid, stencil_set, direction)
23
24 Creates a `second_derivative` operator on `grid` along coordinate dimension `direction` given a parsed TOML
25 `stencil_set`.
26 """
27 function second_derivative(grid::EquidistantGrid, stencil_set, direction)
28 inner_stencil = parse_stencil(stencil_set["D2"]["inner_stencil"])
29 closure_stencils = parse_stencil.(stencil_set["D2"]["closure_stencils"])
30 second_derivative(grid,inner_stencil,closure_stencils,direction);
31 end