view SbpOperators/operators/d2_4th.txt @ 286:7247e85dc1e8 tensor_mappings

Start separating ConstantStencilOp into multiple 1D tensor mappings, e.g. ConstantLaplaceOp. Sketch an implementation of the multi-D laplace tensor operator as a tuple of 1D laplace tensor operators.
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Mon, 22 Jun 2020 19:47:20 +0200
parents 6e3cdf57f0a1
children
line wrap: on
line source

# D2 order 4

boundary_stencils
     2    -5       4      -1     0     0
     1    -2       1       0     0     0
 -4/43 59/43 -110/43   59/43 -4/43     0
 -1/49     0   59/49 -118/49 64/49 -4/49

inner_stencil
-1/12     4/3  -5/2   4/3 -1/12

e
1

d1
-11/6 3 -3/2 1/3