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comparison src/SbpOperators/volumeops/volume_operator.jl @ 1162:62aaed9cf76b feature/dissipation_operators

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Merge default
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 29 Nov 2022 22:43:57 +0100
parents 716e721ce3eb
children f1c2a4fa0ee1 356ec6a72974 102ebdaf7c11
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1098:6f51160c7ca7 1162:62aaed9cf76b
1 """
2 volume_operator(grid, inner_stencil, closure_stencils, parity, direction)
3
4 Creates a volume operator on a `Dim`-dimensional grid acting along the
5 specified coordinate `direction`. The action of the operator is determined by
6 the stencils `inner_stencil` and `closure_stencils`. When `Dim=1`, the
7 corresponding `VolumeOperator` tensor mapping is returned. When `Dim>1`, the
8 returned operator is the appropriate outer product of a one-dimensional
9 operators and `IdentityTensor`s, e.g for `Dim=3` the volume operator in the
10 y-direction is `I⊗op⊗I`.
11 """
12 function volume_operator(grid::EquidistantGrid, inner_stencil, closure_stencils, parity, direction)
13 #TODO: Check that direction <= Dim?
14
15 op = VolumeOperator(restrict(grid, direction), inner_stencil, closure_stencils, parity)
16 return LazyTensors.inflate(op, size(grid), direction)
17 end
18 # TBD: Should the inflation happen here or should we remove this method and do it at the caller instead?
19
20 """ 1 """
21 VolumeOperator{T,N,M,K} <: LazyTensor{T,1,1} 2 VolumeOperator{T,N,M,K} <: LazyTensor{T,1,1}
3
22 Implements a one-dimensional constant coefficients volume operator 4 Implements a one-dimensional constant coefficients volume operator
23 """ 5 """
24 struct VolumeOperator{T,N,M,K} <: LazyTensor{T,1,1} 6 struct VolumeOperator{T,N,M,K} <: LazyTensor{T,1,1}
25 inner_stencil::Stencil{T,N} 7 inner_stencil::Stencil{T,N}
26 closure_stencils::NTuple{M,Stencil{T,K}} 8 closure_stencils::NTuple{M,Stencil{T,K}}