Mercurial > repos > public > sbplib_julia
diff src/SbpOperators/volumeops/derivatives/second_derivative.jl @ 1023:52f07c77299d refactor/sbpoperators/inflation
Merge refactor/lazy_tensors
| author | Jonatan Werpers <jonatan@werpers.com> |
|---|---|
| date | Mon, 21 Mar 2022 09:51:07 +0100 |
| parents | 1ba8a398af9c |
| children | 7fc8df5157a7 05a25a5063bb |
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--- a/src/SbpOperators/volumeops/derivatives/second_derivative.jl Fri Mar 18 16:57:00 2022 +0100 +++ b/src/SbpOperators/volumeops/derivatives/second_derivative.jl Mon Mar 21 09:51:07 2022 +0100 @@ -1,14 +1,14 @@ """ second_derivative(grid::EquidistantGrid, inner_stencil, closure_stencils, direction) -Creates the second-derivative operator `D2` as a `TensorMapping` +Creates the second-derivative operator `D2` as a `LazyTensor` `D2` approximates the second-derivative d²/dξ² on `grid` along the coordinate dimension specified by `direction`, using the stencil `inner_stencil` in the interior and a set of stencils `closure_stencils` for the points in the closure regions. On a one-dimensional `grid`, `D2` is a `VolumeOperator`. On a multi-dimensional `grid`, `D2` is the outer product of the -one-dimensional operator with the `IdentityMapping`s in orthogonal coordinate dirrections. +one-dimensional operator with the `IdentityTensor`s in orthogonal coordinate dirrections. See also: [`volume_operator`](@ref). """