diff options
author | diener <diener@f69c4107-0314-4c4f-9ad4-17e986b73f4a> | 2006-02-14 21:23:43 +0000 |
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committer | diener <diener@f69c4107-0314-4c4f-9ad4-17e986b73f4a> | 2006-02-14 21:23:43 +0000 |
commit | 090fc92617abd0751ac4d64974dfd920187f1de4 (patch) | |
tree | fd477222fb60c213078eae32f5dff5660dbc3356 /src/Dissipation_6_3.F90 | |
parent | df7c02eb3b05ab5360a62cf9da3c22df8c9c83a6 (diff) |
Add new parameters derivatives_zero_y and derivatives_zero_z in order to
ecplictly setting any derivatives in the y- and/or z-direction to zero
when simulating 1- or 2-D problems with a 3D code. This avoids issues with
errors at roundoff level in the y- and z-directions. Should be used with care
and together with the parameter check_grid_sizes to avoid complaints about
too small grids in the y- and z-directions.
Has only been tested in a few cases. If problems are caused by this commit,
please report them immediately.
git-svn-id: https://svn.cct.lsu.edu/repos/numrel/LSUThorns/SummationByParts/trunk@59 f69c4107-0314-4c4f-9ad4-17e986b73f4a
Diffstat (limited to 'src/Dissipation_6_3.F90')
-rw-r--r-- | src/Dissipation_6_3.F90 | 320 |
1 files changed, 162 insertions, 158 deletions
diff --git a/src/Dissipation_6_3.F90 b/src/Dissipation_6_3.F90 index 1f0c74b..a93f84d 100644 --- a/src/Dissipation_6_3.F90 +++ b/src/Dissipation_6_3.F90 @@ -106,167 +106,171 @@ subroutine dissipation_6_3 (var, ni, nj, nk, bb, gsize, delta, epsilon, rhs) ( var(il-3:ir-3,:,:) + & var(il+3:ir+3,:,:) ) ) * idel - call set_coeff ( a ) - - if ( scale_with_h > 0 ) then - idel = epsilon / ( 64 * delta(2) ) - else - idel = epsilon / 64 - end if - - if ( bb(3) == 0 ) then - jl = 1 + gsize(2) - else - rhs(:,1,:) = rhs(:,1,:) + & - ( a(1,1) * var(:,1,:) + a(2,1) * var(:,2,:) + & - a(3,1) * var(:,3,:) + a(4,1) * var(:,4,:) ) * idel - rhs(:,2,:) = rhs(:,2,:) + & - ( a(1,2) * var(:,1,:) + a(2,2) * var(:,2,:) + & - a(3,2) * var(:,3,:) + a(4,2) * var(:,4,:) + & - a(5,2) * var(:,5,:) ) * idel - rhs(:,3,:) = rhs(:,3,:) + & - ( a(1,3) * var(:,1,:) + a(2,3) * var(:,2,:) + & - a(3,3) * var(:,3,:) + a(4,3) * var(:,4,:) + & - a(5,3) * var(:,5,:) + a(6,3) * var(:,6,:) ) * idel - rhs(:,4,:) = rhs(:,4,:) + & - ( a(1,4) * var(:,1,:) + a(2,4) * var(:,2,:) + & - a(3,4) * var(:,3,:) + a(4,4) * var(:,4,:) + & - a(5,4) * var(:,5,:) + a(6,4) * var(:,6,:) + & - a(7,4) * var(:,7,:) ) * idel - rhs(:,5,:) = rhs(:,5,:) + & - ( a(2,5) * var(:,2,:) + a(3,5) * var(:,3,:) + & - a(4,5) * var(:,4,:) + a(5,5) * var(:,5,:) + & - a(6,5) * var(:,6,:) + a(7,5) * var(:,7,:) + & - a(8,5) * var(:,8,:) ) * idel - rhs(:,6,:) = rhs(:,6,:) + & - ( a(3,6) * var(:,3,:) + a(4,6) * var(:,4,:) + & - a(5,6) * var(:,5,:) + a(6,6) * var(:,6,:) + & - a(7,6) * var(:,7,:) + a(8,6) * var(:,8,:) + & - a(9,6) * var(:,9,:) ) * idel - - jl = 7 - end if - if ( bb(4) == 0 ) then - jr = nj - gsize(2) - else - rhs(:,nj-5,:) = rhs(:,nj-5,:) + & - ( a(3,6) * var(:,nj-2,:) + a(4,6) * var(:,nj-3,:) + & - a(5,6) * var(:,nj-4,:) + a(6,6) * var(:,nj-5,:) + & - a(7,6) * var(:,nj-6,:) + a(8,6) * var(:,nj-7,:) + & - a(9,6) * var(:,nj-8,:) ) * idel - rhs(:,nj-4,:) = rhs(:,nj-4,:) + & - ( a(2,5) * var(:,nj-1,:) + a(3,5) * var(:,nj-2,:) + & - a(4,5) * var(:,nj-3,:) + a(5,5) * var(:,nj-4,:) + & - a(6,5) * var(:,nj-5,:) + a(7,5) * var(:,nj-6,:) + & - a(8,5) * var(:,nj-7,:) ) * idel - rhs(:,nj-3,:) = rhs(:,nj-3,:) + & - ( a(1,4) * var(:,nj,:) + a(2,4) * var(:,nj-1,:) + & - a(3,4) * var(:,nj-2,:) + a(4,4) * var(:,nj-3,:) + & - a(5,4) * var(:,nj-4,:) + a(6,4) * var(:,nj-5,:) + & - a(7,4) * var(:,nj-6,:) ) * idel - rhs(:,nj-2,:) = rhs(:,nj-2,:) + & - ( a(1,3) * var(:,nj,:) + a(2,3) * var(:,nj-1,:) + & - a(3,3) * var(:,nj-2,:) + a(4,3) * var(:,nj-3,:) + & - a(5,3) * var(:,nj-4,:) + a(6,3) * var(:,nj-5,:) ) * idel - rhs(:,nj-1,:) = rhs(:,nj-1,:) + & - ( a(1,2) * var(:,nj,:) + a(2,2) * var(:,nj-1,:) + & - a(3,2) * var(:,nj-2,:) + a(4,2) * var(:,nj-3,:) + & - a(5,2) * var(:,nj-4,:) ) * idel - rhs(:,nj,:) = rhs(:,nj,:) + & - ( a(1,1) * var(:,nj,:) + a(2,1) * var(:,nj-1,:) + & - a(3,1) * var(:,nj-2,:) + a(4,1) * var(:,nj-3,:) ) * idel - - jr = nj - 6 + if ( zero_derivs_y == 0 ) then + call set_coeff ( a ) + + if ( scale_with_h > 0 ) then + idel = epsilon / ( 64 * delta(2) ) + else + idel = epsilon / 64 + end if + + if ( bb(3) == 0 ) then + jl = 1 + gsize(2) + else + rhs(:,1,:) = rhs(:,1,:) + & + ( a(1,1) * var(:,1,:) + a(2,1) * var(:,2,:) + & + a(3,1) * var(:,3,:) + a(4,1) * var(:,4,:) ) * idel + rhs(:,2,:) = rhs(:,2,:) + & + ( a(1,2) * var(:,1,:) + a(2,2) * var(:,2,:) + & + a(3,2) * var(:,3,:) + a(4,2) * var(:,4,:) + & + a(5,2) * var(:,5,:) ) * idel + rhs(:,3,:) = rhs(:,3,:) + & + ( a(1,3) * var(:,1,:) + a(2,3) * var(:,2,:) + & + a(3,3) * var(:,3,:) + a(4,3) * var(:,4,:) + & + a(5,3) * var(:,5,:) + a(6,3) * var(:,6,:) ) * idel + rhs(:,4,:) = rhs(:,4,:) + & + ( a(1,4) * var(:,1,:) + a(2,4) * var(:,2,:) + & + a(3,4) * var(:,3,:) + a(4,4) * var(:,4,:) + & + a(5,4) * var(:,5,:) + a(6,4) * var(:,6,:) + & + a(7,4) * var(:,7,:) ) * idel + rhs(:,5,:) = rhs(:,5,:) + & + ( a(2,5) * var(:,2,:) + a(3,5) * var(:,3,:) + & + a(4,5) * var(:,4,:) + a(5,5) * var(:,5,:) + & + a(6,5) * var(:,6,:) + a(7,5) * var(:,7,:) + & + a(8,5) * var(:,8,:) ) * idel + rhs(:,6,:) = rhs(:,6,:) + & + ( a(3,6) * var(:,3,:) + a(4,6) * var(:,4,:) + & + a(5,6) * var(:,5,:) + a(6,6) * var(:,6,:) + & + a(7,6) * var(:,7,:) + a(8,6) * var(:,8,:) + & + a(9,6) * var(:,9,:) ) * idel + + jl = 7 + end if + if ( bb(4) == 0 ) then + jr = nj - gsize(2) + else + rhs(:,nj-5,:) = rhs(:,nj-5,:) + & + ( a(3,6) * var(:,nj-2,:) + a(4,6) * var(:,nj-3,:) + & + a(5,6) * var(:,nj-4,:) + a(6,6) * var(:,nj-5,:) + & + a(7,6) * var(:,nj-6,:) + a(8,6) * var(:,nj-7,:) + & + a(9,6) * var(:,nj-8,:) ) * idel + rhs(:,nj-4,:) = rhs(:,nj-4,:) + & + ( a(2,5) * var(:,nj-1,:) + a(3,5) * var(:,nj-2,:) + & + a(4,5) * var(:,nj-3,:) + a(5,5) * var(:,nj-4,:) + & + a(6,5) * var(:,nj-5,:) + a(7,5) * var(:,nj-6,:) + & + a(8,5) * var(:,nj-7,:) ) * idel + rhs(:,nj-3,:) = rhs(:,nj-3,:) + & + ( a(1,4) * var(:,nj,:) + a(2,4) * var(:,nj-1,:) + & + a(3,4) * var(:,nj-2,:) + a(4,4) * var(:,nj-3,:) + & + a(5,4) * var(:,nj-4,:) + a(6,4) * var(:,nj-5,:) + & + a(7,4) * var(:,nj-6,:) ) * idel + rhs(:,nj-2,:) = rhs(:,nj-2,:) + & + ( a(1,3) * var(:,nj,:) + a(2,3) * var(:,nj-1,:) + & + a(3,3) * var(:,nj-2,:) + a(4,3) * var(:,nj-3,:) + & + a(5,3) * var(:,nj-4,:) + a(6,3) * var(:,nj-5,:) ) * idel + rhs(:,nj-1,:) = rhs(:,nj-1,:) + & + ( a(1,2) * var(:,nj,:) + a(2,2) * var(:,nj-1,:) + & + a(3,2) * var(:,nj-2,:) + a(4,2) * var(:,nj-3,:) + & + a(5,2) * var(:,nj-4,:) ) * idel + rhs(:,nj,:) = rhs(:,nj,:) + & + ( a(1,1) * var(:,nj,:) + a(2,1) * var(:,nj-1,:) + & + a(3,1) * var(:,nj-2,:) + a(4,1) * var(:,nj-3,:) ) * idel + + jr = nj - 6 + end if + rhs(:,jl:jr,:) = rhs(:,jl:jr,:) + & + ( -20.0_wp * var(:,jl:jr,:) + & + 15.0_wp * ( var(:,jl-1:jr-1,:) + & + var(:,jl+1:jr+1,:) ) - & + 6.0_wp * ( var(:,jl-2:jr-2,:) + & + var(:,jl+2:jr+2,:) ) + & + ( var(:,jl-3:jr-3,:) + & + var(:,jl+3:jr+3,:) ) ) * idel end if - rhs(:,jl:jr,:) = rhs(:,jl:jr,:) + & - ( -20.0_wp * var(:,jl:jr,:) + & - 15.0_wp * ( var(:,jl-1:jr-1,:) + & - var(:,jl+1:jr+1,:) ) - & - 6.0_wp * ( var(:,jl-2:jr-2,:) + & - var(:,jl+2:jr+2,:) ) + & - ( var(:,jl-3:jr-3,:) + & - var(:,jl+3:jr+3,:) ) ) * idel - - call set_coeff ( a ) - - if ( scale_with_h > 0 ) then - idel = epsilon / ( 64 * delta(3) ) - else - idel = epsilon / 64 - end if - - if ( bb(5) == 0 ) then - kl = 1 + gsize(3) - else - rhs(:,:,1) = rhs(:,:,1) + & - ( a(1,1) * var(:,:,1) + a(2,1) * var(:,:,2) + & - a(3,1) * var(:,:,3) + a(4,1) * var(:,:,4) ) * idel - rhs(:,:,2) = rhs(:,:,2) + & - ( a(1,2) * var(:,:,1) + a(2,2) * var(:,:,2) + & - a(3,2) * var(:,:,3) + a(4,2) * var(:,:,4) + & - a(5,2) * var(:,:,5) ) * idel - rhs(:,:,3) = rhs(:,:,3) + & - ( a(1,3) * var(:,:,1) + a(2,3) * var(:,:,2) + & - a(3,3) * var(:,:,3) + a(4,3) * var(:,:,4) + & - a(5,3) * var(:,:,5) + a(6,3) * var(:,:,6) ) * idel - rhs(:,:,4) = rhs(:,:,4) + & - ( a(1,4) * var(:,:,1) + a(2,4) * var(:,:,2) + & - a(3,4) * var(:,:,3) + a(4,4) * var(:,:,4) + & - a(5,4) * var(:,:,5) + a(6,4) * var(:,:,6) + & - a(7,4) * var(:,:,7) ) * idel - rhs(:,:,5) = rhs(:,:,5) + & - ( a(2,5) * var(:,:,2) + a(3,5) * var(:,:,3) + & - a(4,5) * var(:,:,4) + a(5,5) * var(:,:,5) + & - a(6,5) * var(:,:,6) + a(7,5) * var(:,:,7) + & - a(8,5) * var(:,:,8) ) * idel - rhs(:,:,6) = rhs(:,:,6) + & - ( a(3,6) * var(:,:,3) + a(4,6) * var(:,:,4) + & - a(5,6) * var(:,:,5) + a(6,6) * var(:,:,6) + & - a(7,6) * var(:,:,7) + a(8,6) * var(:,:,8) + & - a(9,6) * var(:,:,9) ) * idel - - kl = 7 - end if - if ( bb(6) == 0 ) then - kr = nk - gsize(3) - else - rhs(:,:,nk-5) = rhs(:,:,nk-5) + & - ( a(3,6) * var(:,:,nk-2) + a(4,6) * var(:,:,nk-3) + & - a(5,6) * var(:,:,nk-4) + a(6,6) * var(:,:,nk-5) + & - a(7,6) * var(:,:,nk-6) + a(8,6) * var(:,:,nk-7) + & - a(9,6) * var(:,:,nk-8) ) * idel - rhs(:,:,nk-4) = rhs(:,:,nk-4) + & - ( a(2,5) * var(:,:,nk-1) + a(3,5) * var(:,:,nk-2) + & - a(4,5) * var(:,:,nk-3) + a(5,5) * var(:,:,nk-4) + & - a(6,5) * var(:,:,nk-5) + a(7,5) * var(:,:,nk-6) + & - a(8,5) * var(:,:,nk-7) ) * idel - rhs(:,:,nk-3) = rhs(:,:,nk-3) + & - ( a(1,4) * var(:,:,nk) + a(2,4) * var(:,:,nk-1) + & - a(3,4) * var(:,:,nk-2) + a(4,4) * var(:,:,nk-3) + & - a(5,4) * var(:,:,nk-4) + a(6,4) * var(:,:,nk-5) + & - a(7,4) * var(:,:,nk-6) ) * idel - rhs(:,:,nk-2) = rhs(:,:,nk-2) + & - ( a(1,3) * var(:,:,nk) + a(2,3) * var(:,:,nk-1) + & - a(3,3) * var(:,:,nk-2) + a(4,3) * var(:,:,nk-3) + & - a(5,3) * var(:,:,nk-4) + a(6,3) * var(:,:,nk-5) ) * idel - rhs(:,:,nk-1) = rhs(:,:,nk-1) + & - ( a(1,2) * var(:,:,nk) + a(2,2) * var(:,:,nk-1) + & - a(3,2) * var(:,:,nk-2) + a(4,2) * var(:,:,nk-3) + & - a(5,2) * var(:,:,nk-4) ) * idel - rhs(:,:,nk) = rhs(:,:,nk) + & - ( a(1,1) * var(:,:,nk) + a(2,1) * var(:,:,nk-1) + & - a(3,1) * var(:,:,nk-2) + a(4,1) * var(:,:,nk-3) ) * idel - kr = nk - 6 + if ( zero_derivs_z == 0 ) then + call set_coeff ( a ) + + if ( scale_with_h > 0 ) then + idel = epsilon / ( 64 * delta(3) ) + else + idel = epsilon / 64 + end if + + if ( bb(5) == 0 ) then + kl = 1 + gsize(3) + else + rhs(:,:,1) = rhs(:,:,1) + & + ( a(1,1) * var(:,:,1) + a(2,1) * var(:,:,2) + & + a(3,1) * var(:,:,3) + a(4,1) * var(:,:,4) ) * idel + rhs(:,:,2) = rhs(:,:,2) + & + ( a(1,2) * var(:,:,1) + a(2,2) * var(:,:,2) + & + a(3,2) * var(:,:,3) + a(4,2) * var(:,:,4) + & + a(5,2) * var(:,:,5) ) * idel + rhs(:,:,3) = rhs(:,:,3) + & + ( a(1,3) * var(:,:,1) + a(2,3) * var(:,:,2) + & + a(3,3) * var(:,:,3) + a(4,3) * var(:,:,4) + & + a(5,3) * var(:,:,5) + a(6,3) * var(:,:,6) ) * idel + rhs(:,:,4) = rhs(:,:,4) + & + ( a(1,4) * var(:,:,1) + a(2,4) * var(:,:,2) + & + a(3,4) * var(:,:,3) + a(4,4) * var(:,:,4) + & + a(5,4) * var(:,:,5) + a(6,4) * var(:,:,6) + & + a(7,4) * var(:,:,7) ) * idel + rhs(:,:,5) = rhs(:,:,5) + & + ( a(2,5) * var(:,:,2) + a(3,5) * var(:,:,3) + & + a(4,5) * var(:,:,4) + a(5,5) * var(:,:,5) + & + a(6,5) * var(:,:,6) + a(7,5) * var(:,:,7) + & + a(8,5) * var(:,:,8) ) * idel + rhs(:,:,6) = rhs(:,:,6) + & + ( a(3,6) * var(:,:,3) + a(4,6) * var(:,:,4) + & + a(5,6) * var(:,:,5) + a(6,6) * var(:,:,6) + & + a(7,6) * var(:,:,7) + a(8,6) * var(:,:,8) + & + a(9,6) * var(:,:,9) ) * idel + + kl = 7 + end if + if ( bb(6) == 0 ) then + kr = nk - gsize(3) + else + rhs(:,:,nk-5) = rhs(:,:,nk-5) + & + ( a(3,6) * var(:,:,nk-2) + a(4,6) * var(:,:,nk-3) + & + a(5,6) * var(:,:,nk-4) + a(6,6) * var(:,:,nk-5) + & + a(7,6) * var(:,:,nk-6) + a(8,6) * var(:,:,nk-7) + & + a(9,6) * var(:,:,nk-8) ) * idel + rhs(:,:,nk-4) = rhs(:,:,nk-4) + & + ( a(2,5) * var(:,:,nk-1) + a(3,5) * var(:,:,nk-2) + & + a(4,5) * var(:,:,nk-3) + a(5,5) * var(:,:,nk-4) + & + a(6,5) * var(:,:,nk-5) + a(7,5) * var(:,:,nk-6) + & + a(8,5) * var(:,:,nk-7) ) * idel + rhs(:,:,nk-3) = rhs(:,:,nk-3) + & + ( a(1,4) * var(:,:,nk) + a(2,4) * var(:,:,nk-1) + & + a(3,4) * var(:,:,nk-2) + a(4,4) * var(:,:,nk-3) + & + a(5,4) * var(:,:,nk-4) + a(6,4) * var(:,:,nk-5) + & + a(7,4) * var(:,:,nk-6) ) * idel + rhs(:,:,nk-2) = rhs(:,:,nk-2) + & + ( a(1,3) * var(:,:,nk) + a(2,3) * var(:,:,nk-1) + & + a(3,3) * var(:,:,nk-2) + a(4,3) * var(:,:,nk-3) + & + a(5,3) * var(:,:,nk-4) + a(6,3) * var(:,:,nk-5) ) * idel + rhs(:,:,nk-1) = rhs(:,:,nk-1) + & + ( a(1,2) * var(:,:,nk) + a(2,2) * var(:,:,nk-1) + & + a(3,2) * var(:,:,nk-2) + a(4,2) * var(:,:,nk-3) + & + a(5,2) * var(:,:,nk-4) ) * idel + rhs(:,:,nk) = rhs(:,:,nk) + & + ( a(1,1) * var(:,:,nk) + a(2,1) * var(:,:,nk-1) + & + a(3,1) * var(:,:,nk-2) + a(4,1) * var(:,:,nk-3) ) * idel + + kr = nk - 6 + end if + rhs(:,:,kl:kr) = rhs(:,:,kl:kr) + & + ( -20.0_wp * var(:,:,kl:kr) + & + 15.0_wp * ( var(:,:,kl-1:kr-1) + & + var(:,:,kl+1:kr+1) ) - & + 6.0_wp * ( var(:,:,kl-2:kr-2) + & + var(:,:,kl+2:kr+2) ) + & + ( var(:,:,kl-3:kr-3) + & + var(:,:,kl+3:kr+3) ) ) * idel end if - rhs(:,:,kl:kr) = rhs(:,:,kl:kr) + & - ( -20.0_wp * var(:,:,kl:kr) + & - 15.0_wp * ( var(:,:,kl-1:kr-1) + & - var(:,:,kl+1:kr+1) ) - & - 6.0_wp * ( var(:,:,kl-2:kr-2) + & - var(:,:,kl+2:kr+2) ) + & - ( var(:,:,kl-3:kr-3) + & - var(:,:,kl+3:kr+3) ) ) * idel contains |