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/Derivatives_4_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/Derivatives_4_3.F90')
-rw-r--r-- | src/Derivatives_4_3.F90 | 196 |
1 files changed, 102 insertions, 94 deletions
diff --git a/src/Derivatives_4_3.F90 b/src/Derivatives_4_3.F90 index 011a074..db7ebda 100644 --- a/src/Derivatives_4_3.F90 +++ b/src/Derivatives_4_3.F90 @@ -139,104 +139,112 @@ subroutine deriv_gf_4_3 ( var, ni, nj, nk, dir, bb, gsize, delta, dvar ) a(2) * ( var(il+2:ir+2,:,:) - & var(il-2:ir-2,:,:) ) ) * idel case (1) direction - if ( bb(1) == 0 ) then - jl = 1 + gsize - else - dvar(:,1,:) = ( q(1,1) * var(:,1,:) + q(2,1) * var(:,2,:) + & - q(3,1) * var(:,3,:) + q(4,1) * var(:,4,:) ) * idel - dvar(:,2,:) = ( q(1,2) * var(:,1,:) + q(2,2) * var(:,2,:) + & - q(3,2) * var(:,3,:) + q(4,2) * var(:,4,:) + & - q(5,2) * var(:,5,:) + q(6,2) * var(:,6,:) ) * idel - dvar(:,3,:) = ( q(1,3) * var(:,1,:) + q(2,3) * var(:,2,:) + & - q(3,3) * var(:,3,:) + q(4,3) * var(:,4,:) + & - q(5,3) * var(:,5,:) + q(6,3) * var(:,6,:) ) * idel - dvar(:,4,:) = ( q(1,4) * var(:,1,:) + q(2,4) * var(:,2,:) + & - q(3,4) * var(:,3,:) + q(4,4) * var(:,4,:) + & - q(5,4) * var(:,5,:) + q(6,4) * var(:,6,:) + & - q(7,4) * var(:,7,:) ) * idel - dvar(:,5,:) = ( q(1,5) * var(:,1,:) + q(2,5) * var(:,2,:) + & - q(3,5) * var(:,3,:) + q(4,5) * var(:,4,:) + & - q(5,5) * var(:,5,:) + q(6,5) * var(:,6,:) + & - q(7,5) * var(:,7,:) ) * idel - jl = 6 - end if - if ( bb(2) == 0 ) then - jr = nj - gsize + if ( zero_derivs_y /= 0 ) then + dvar = zero else - dvar(:,nj-4,:) = - ( q(1,5) * var(:,nj,:) + q(2,5) * var(:,nj-1,:) + & - q(3,5) * var(:,nj-2,:) + q(4,5) * var(:,nj-3,:) + & - q(5,5) * var(:,nj-4,:) + q(6,5) * var(:,nj-5,:) + & - q(7,5) * var(:,nj-6,:) ) * idel - dvar(:,nj-3,:) = - ( q(1,4) * var(:,nj,:) + q(2,4) * var(:,nj-1,:) + & - q(3,4) * var(:,nj-2,:) + q(4,4) * var(:,nj-3,:) + & - q(5,4) * var(:,nj-4,:) + q(6,4) * var(:,nj-5,:) + & - q(7,4) * var(:,nj-6,:) ) * idel - dvar(:,nj-2,:) = - ( q(1,3) * var(:,nj,:) + q(2,3) * var(:,nj-1,:) + & - q(3,3) * var(:,nj-2,:) + q(4,3) * var(:,nj-3,:) + & - q(5,3) * var(:,nj-4,:) + & - q(6,3) * var(:,nj-5,:) ) * idel - dvar(:,nj-1,:) = - ( q(1,2) * var(:,nj,:) + q(2,2) * var(:,nj-1,:) + & - q(3,2) * var(:,nj-2,:) + q(4,2) * var(:,nj-3,:) + & - q(5,2) * var(:,nj-4,:) + & - q(6,2) * var(:,nj-5,:) ) * idel - dvar(:,nj,:) = - ( q(1,1) * var(:,nj,:) + q(2,1) * var(:,nj-1,:) + & - q(3,1) * var(:,nj-2,:) + & - q(4,1) * var(:,nj-3,:) ) * idel - jr = nj - 5 + if ( bb(1) == 0 ) then + jl = 1 + gsize + else + dvar(:,1,:) = ( q(1,1) * var(:,1,:) + q(2,1) * var(:,2,:) + & + q(3,1) * var(:,3,:) + q(4,1) * var(:,4,:) ) * idel + dvar(:,2,:) = ( q(1,2) * var(:,1,:) + q(2,2) * var(:,2,:) + & + q(3,2) * var(:,3,:) + q(4,2) * var(:,4,:) + & + q(5,2) * var(:,5,:) + q(6,2) * var(:,6,:) ) * idel + dvar(:,3,:) = ( q(1,3) * var(:,1,:) + q(2,3) * var(:,2,:) + & + q(3,3) * var(:,3,:) + q(4,3) * var(:,4,:) + & + q(5,3) * var(:,5,:) + q(6,3) * var(:,6,:) ) * idel + dvar(:,4,:) = ( q(1,4) * var(:,1,:) + q(2,4) * var(:,2,:) + & + q(3,4) * var(:,3,:) + q(4,4) * var(:,4,:) + & + q(5,4) * var(:,5,:) + q(6,4) * var(:,6,:) + & + q(7,4) * var(:,7,:) ) * idel + dvar(:,5,:) = ( q(1,5) * var(:,1,:) + q(2,5) * var(:,2,:) + & + q(3,5) * var(:,3,:) + q(4,5) * var(:,4,:) + & + q(5,5) * var(:,5,:) + q(6,5) * var(:,6,:) + & + q(7,5) * var(:,7,:) ) * idel + jl = 6 + end if + if ( bb(2) == 0 ) then + jr = nj - gsize + else + dvar(:,nj-4,:) = - ( q(1,5) * var(:,nj,:) + q(2,5) * var(:,nj-1,:) + & + q(3,5) * var(:,nj-2,:) + q(4,5) * var(:,nj-3,:) + & + q(5,5) * var(:,nj-4,:) + q(6,5) * var(:,nj-5,:) + & + q(7,5) * var(:,nj-6,:) ) * idel + dvar(:,nj-3,:) = - ( q(1,4) * var(:,nj,:) + q(2,4) * var(:,nj-1,:) + & + q(3,4) * var(:,nj-2,:) + q(4,4) * var(:,nj-3,:) + & + q(5,4) * var(:,nj-4,:) + q(6,4) * var(:,nj-5,:) + & + q(7,4) * var(:,nj-6,:) ) * idel + dvar(:,nj-2,:) = - ( q(1,3) * var(:,nj,:) + q(2,3) * var(:,nj-1,:) + & + q(3,3) * var(:,nj-2,:) + q(4,3) * var(:,nj-3,:) + & + q(5,3) * var(:,nj-4,:) + & + q(6,3) * var(:,nj-5,:) ) * idel + dvar(:,nj-1,:) = - ( q(1,2) * var(:,nj,:) + q(2,2) * var(:,nj-1,:) + & + q(3,2) * var(:,nj-2,:) + q(4,2) * var(:,nj-3,:) + & + q(5,2) * var(:,nj-4,:) + & + q(6,2) * var(:,nj-5,:) ) * idel + dvar(:,nj,:) = - ( q(1,1) * var(:,nj,:) + q(2,1) * var(:,nj-1,:) + & + q(3,1) * var(:,nj-2,:) + & + q(4,1) * var(:,nj-3,:) ) * idel + jr = nj - 5 + end if + dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - & + var(:,jl-1:jr-1,:) ) + & + a(2) * ( var(:,jl+2:jr+2,:) - & + var(:,jl-2:jr-2,:) ) ) * idel end if - dvar(:,jl:jr,:) = ( a(1) * ( var(:,jl+1:jr+1,:) - & - var(:,jl-1:jr-1,:) ) + & - a(2) * ( var(:,jl+2:jr+2,:) - & - var(:,jl-2:jr-2,:) ) ) * idel case (2) direction - if ( bb(1) == 0 ) then - kl = 1 + gsize + if ( zero_derivs_z /= 0 ) then + dvar = zero else - dvar(:,:,1) = ( q(1,1) * var(:,:,1) + q(2,1) * var(:,:,2) + & - q(3,1) * var(:,:,3) + q(4,1) * var(:,:,4) ) * idel - dvar(:,:,2) = ( q(1,2) * var(:,:,1) + q(2,2) * var(:,:,2) + & - q(3,2) * var(:,:,3) + q(4,2) * var(:,:,4) + & - q(5,2) * var(:,:,5) + q(6,2) * var(:,:,6) ) * idel - dvar(:,:,3) = ( q(1,3) * var(:,:,1) + q(2,3) * var(:,:,2) + & - q(3,3) * var(:,:,3) + q(4,3) * var(:,:,4) + & - q(5,3) * var(:,:,5) + q(6,3) * var(:,:,6) ) * idel - dvar(:,:,4) = ( q(1,4) * var(:,:,1) + q(2,4) * var(:,:,2) + & - q(3,4) * var(:,:,3) + q(4,4) * var(:,:,4) + & - q(5,4) * var(:,:,5) + q(6,4) * var(:,:,6) + & - q(7,4) * var(:,:,7) ) * idel - dvar(:,:,5) = ( q(1,5) * var(:,:,1) + q(2,5) * var(:,:,2) + & - q(3,5) * var(:,:,3) + q(4,5) * var(:,:,4) + & - q(5,5) * var(:,:,5) + q(6,5) * var(:,:,6) + & - q(7,5) * var(:,:,7) ) * idel - kl = 6 - end if - if ( bb(2) == 0 ) then - kr = nk - gsize - else - dvar(:,:,nk-4) = - ( q(1,5) * var(:,:,nk) + q(2,5) * var(:,:,nk-1) + & - q(3,5) * var(:,:,nk-2) + q(4,5) * var(:,:,nk-3) + & - q(5,5) * var(:,:,nk-4) + q(6,5) * var(:,:,nk-5) + & - q(7,5) * var(:,:,nk-6) ) * idel - dvar(:,:,nk-3) = - ( q(1,4) * var(:,:,nk) + q(2,4) * var(:,:,nk-1) + & - q(3,4) * var(:,:,nk-2) + q(4,4) * var(:,:,nk-3) + & - q(5,4) * var(:,:,nk-4) + q(6,4) * var(:,:,nk-5) + & - q(7,4) * var(:,:,nk-6) ) * idel - dvar(:,:,nk-2) = - ( q(1,3) * var(:,:,nk) + q(2,3) * var(:,:,nk-1) + & - q(3,3) * var(:,:,nk-2) + q(4,3) * var(:,:,nk-3) + & - q(5,3) * var(:,:,nk-4) + & - q(6,3) * var(:,:,nk-5) ) * idel - dvar(:,:,nk-1) = - ( q(1,2) * var(:,:,nk) + q(2,2) * var(:,:,nk-1) + & - q(3,2) * var(:,:,nk-2) + q(4,2) * var(:,:,nk-3) + & - q(5,2) * var(:,:,nk-4) + & - q(6,2) * var(:,:,nk-5) ) * idel - dvar(:,:,nk) = - ( q(1,1) * var(:,:,nk) + q(2,1) * var(:,:,nk-1) + & - q(3,1) * var(:,:,nk-2) + & - q(4,1) * var(:,:,nk-3) ) * idel - kr = nk - 5 + if ( bb(1) == 0 ) then + kl = 1 + gsize + else + dvar(:,:,1) = ( q(1,1) * var(:,:,1) + q(2,1) * var(:,:,2) + & + q(3,1) * var(:,:,3) + q(4,1) * var(:,:,4) ) * idel + dvar(:,:,2) = ( q(1,2) * var(:,:,1) + q(2,2) * var(:,:,2) + & + q(3,2) * var(:,:,3) + q(4,2) * var(:,:,4) + & + q(5,2) * var(:,:,5) + q(6,2) * var(:,:,6) ) * idel + dvar(:,:,3) = ( q(1,3) * var(:,:,1) + q(2,3) * var(:,:,2) + & + q(3,3) * var(:,:,3) + q(4,3) * var(:,:,4) + & + q(5,3) * var(:,:,5) + q(6,3) * var(:,:,6) ) * idel + dvar(:,:,4) = ( q(1,4) * var(:,:,1) + q(2,4) * var(:,:,2) + & + q(3,4) * var(:,:,3) + q(4,4) * var(:,:,4) + & + q(5,4) * var(:,:,5) + q(6,4) * var(:,:,6) + & + q(7,4) * var(:,:,7) ) * idel + dvar(:,:,5) = ( q(1,5) * var(:,:,1) + q(2,5) * var(:,:,2) + & + q(3,5) * var(:,:,3) + q(4,5) * var(:,:,4) + & + q(5,5) * var(:,:,5) + q(6,5) * var(:,:,6) + & + q(7,5) * var(:,:,7) ) * idel + kl = 6 + end if + if ( bb(2) == 0 ) then + kr = nk - gsize + else + dvar(:,:,nk-4) = - ( q(1,5) * var(:,:,nk) + q(2,5) * var(:,:,nk-1) + & + q(3,5) * var(:,:,nk-2) + q(4,5) * var(:,:,nk-3) + & + q(5,5) * var(:,:,nk-4) + q(6,5) * var(:,:,nk-5) + & + q(7,5) * var(:,:,nk-6) ) * idel + dvar(:,:,nk-3) = - ( q(1,4) * var(:,:,nk) + q(2,4) * var(:,:,nk-1) + & + q(3,4) * var(:,:,nk-2) + q(4,4) * var(:,:,nk-3) + & + q(5,4) * var(:,:,nk-4) + q(6,4) * var(:,:,nk-5) + & + q(7,4) * var(:,:,nk-6) ) * idel + dvar(:,:,nk-2) = - ( q(1,3) * var(:,:,nk) + q(2,3) * var(:,:,nk-1) + & + q(3,3) * var(:,:,nk-2) + q(4,3) * var(:,:,nk-3) + & + q(5,3) * var(:,:,nk-4) + & + q(6,3) * var(:,:,nk-5) ) * idel + dvar(:,:,nk-1) = - ( q(1,2) * var(:,:,nk) + q(2,2) * var(:,:,nk-1) + & + q(3,2) * var(:,:,nk-2) + q(4,2) * var(:,:,nk-3) + & + q(5,2) * var(:,:,nk-4) + & + q(6,2) * var(:,:,nk-5) ) * idel + dvar(:,:,nk) = - ( q(1,1) * var(:,:,nk) + q(2,1) * var(:,:,nk-1) + & + q(3,1) * var(:,:,nk-2) + & + q(4,1) * var(:,:,nk-3) ) * idel + kr = nk - 5 + end if + dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - & + var(:,:,kl-1:kr-1) ) + & + a(2) * ( var(:,:,kl+2:kr+2) - & + var(:,:,kl-2:kr-2) ) ) * idel end if - dvar(:,:,kl:kr) = ( a(1) * ( var(:,:,kl+1:kr+1) - & - var(:,:,kl-1:kr-1) ) + & - a(2) * ( var(:,:,kl+2:kr+2) - & - var(:,:,kl-2:kr-2) ) ) * idel end select direction end subroutine deriv_gf_4_3 |