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heimbach |
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#include "CTRL_CPPOPTIONS.h" |
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#ifdef ALLOW_OBCS |
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# include "OBCS_OPTIONS.h" |
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#endif |
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subroutine ctrl_getobcsn( |
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I mytime, |
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I myiter, |
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I mythid |
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& ) |
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c ================================================================== |
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c SUBROUTINE ctrl_getobcsn |
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c ================================================================== |
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c |
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c o Get northern obc of the control vector and add it |
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c to dyn. fields |
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c |
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c started: heimbach@mit.edu, 29-Aug-2001 |
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c |
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c modified: gebbie@mit.edu, 18-Mar-2003 |
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c ================================================================== |
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c SUBROUTINE ctrl_getobcsn |
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c ================================================================== |
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implicit none |
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#ifdef ALLOW_OBCSN_CONTROL |
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c == global variables == |
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#include "EEPARAMS.h" |
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#include "SIZE.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "OBCS.h" |
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#include "ctrl.h" |
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#include "ctrl_dummy.h" |
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#include "optim.h" |
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c == routine arguments == |
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_RL mytime |
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integer myiter |
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integer mythid |
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c == local variables == |
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integer bi,bj |
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integer i,j,k |
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integer itlo,ithi |
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integer jtlo,jthi |
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integer jmin,jmax |
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integer imin,imax |
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integer ilobcsn |
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integer iobcs |
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integer jp1 |
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_RL dummy |
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_RL obcsnfac |
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logical obcsnfirst |
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logical obcsnchanged |
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integer obcsncount0 |
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integer obcsncount1 |
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cgg _RL maskxz (1-olx:snx+olx,nr,nsx,nsy) |
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logical doglobalread |
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logical ladinit |
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character*(80) fnameobcsn |
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cgg( Variables for splitting barotropic/baroclinic vels. |
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_RL vbaro |
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_RL vtop |
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c == external functions == |
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integer ilnblnk |
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external ilnblnk |
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c == end of interface == |
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jtlo = mybylo(mythid) |
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jthi = mybyhi(mythid) |
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itlo = mybxlo(mythid) |
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ithi = mybxhi(mythid) |
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cgg jmin = 1-oly |
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cgg jmax = sny+oly |
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cgg imin = 1-olx |
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cgg imax = snx+olx |
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jmin = 1 |
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jmax = sny |
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imin = 1 |
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imax = snx |
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jp1 = 0 |
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cgg( Initialize variables for balancing volume flux. |
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vbaro = 0.d0 |
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vtop = 0.d0 |
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cgg) |
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c-- Now, read the control vector. |
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doglobalread = .false. |
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ladinit = .false. |
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if (optimcycle .ge. 0) then |
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ilobcsn=ilnblnk( xx_obcsn_file ) |
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write(fnameobcsn(1:80),'(2a,i10.10)') |
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& xx_obcsn_file(1:ilobcsn), '.', optimcycle |
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endif |
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c-- Get the counters, flags, and the interpolation factor. |
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call ctrl_get_gen_rec( |
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I xx_obcsnstartdate, xx_obcsnperiod, |
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O obcsnfac, obcsnfirst, obcsnchanged, |
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O obcsncount0,obcsncount1, |
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I mytime, myiter, mythid ) |
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do iobcs = 1,nobcs |
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if ( obcsnfirst ) then |
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heimbach |
1.3 |
call active_read_xz_loc( fnameobcsn, tmpfldxz, |
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heimbach |
1.2 |
& (obcsncount0-1)*nobcs+iobcs, |
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& doglobalread, ladinit, optimcycle, |
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& mythid, xx_obcsn_dummy ) |
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if ( optimcycle .gt. 0) then |
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if (iobcs .eq. 3) then |
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cgg Special attention is needed for the normal velocity. |
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cgg For the north, this is the v velocity, iobcs = 4. |
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cgg This is done on a columnwise basis here. |
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do bj = jtlo,jthi |
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do bi = itlo, ithi |
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do i = imin,imax |
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cgg The barotropic velocity is stored in the level 1. |
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vbaro = tmpfldxz(i,1,bi,bj) |
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cgg Except for the special point which balances barotropic vol.flux. |
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cgg Special column in the NW corner. |
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j = OB_Jn(I,bi,bj) |
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if (ob_iw(j,bi,bj).eq.(i-1).and. |
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& ob_iw(j,bi,bj).ne. 0) then |
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print*,'Apply shiftvel1 @ i,j' |
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print*,shiftvel(1),i,j |
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vbaro = shiftvel(1) |
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endif |
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tmpfldxz(i,1,bi,bj) = 0.d0 |
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vtop = 0.d0 |
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do k = 1,Nr |
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cgg If cells are not full, this should be modified with hFac. |
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cgg |
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cgg The xx field (tmpfldxz) does not contain the velocity at the |
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cgg surface level. This velocity is not independent; it must |
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cgg exactly balance the volume flux, since we are dealing with |
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cgg the baroclinic velocity structure.. |
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vtop = tmpfldxz(i,k,bi,bj)* |
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heimbach |
1.4 |
& maskS(i,j+jp1,k,bi,bj) * delR(k) + vtop |
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heimbach |
1.2 |
cgg Add the barotropic velocity component. |
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if (maskS(i,j+jp1,k,bi,bj) .ne. 0.) then |
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tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
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endif |
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enddo |
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cgg Compute the baroclinic velocity at level 1. Should balance flux. |
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tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
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heimbach |
1.4 |
& - vtop / delR(1) |
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heimbach |
1.2 |
enddo |
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enddo |
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enddo |
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endif |
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if (iobcs .eq. 4) then |
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cgg Special attention is needed for the normal velocity. |
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cgg For the north, this is the v velocity, iobcs = 4. |
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cgg This is done on a columnwise basis here. |
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do bj = jtlo,jthi |
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do bi = itlo, ithi |
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do i = imin,imax |
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cgg The barotropic velocity is stored in the level 1. |
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vbaro = tmpfldxz(i,1,bi,bj) |
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cgg Except for the special point which balances barotropic vol.flux. |
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cgg Special column in the NW corner. |
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j = OB_Jn(I,bi,bj) |
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tmpfldxz(i,1,bi,bj) = 0.d0 |
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vtop = 0.d0 |
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do k = 1,Nr |
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cgg If cells are not full, this should be modified with hFac. |
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cgg |
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cgg The xx field (tmpfldxz) does not contain the velocity at the |
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cgg surface level. This velocity is not independent; it must |
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cgg exactly balance the volume flux, since we are dealing with |
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cgg the baroclinic velocity structure.. |
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vtop = tmpfldxz(i,k,bi,bj)* |
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heimbach |
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& maskW(i,j,k,bi,bj) * delR(k) + vtop |
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heimbach |
1.2 |
cgg Add the barotropic velocity component. |
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if (maskW(i,j,k,bi,bj) .ne. 0.) then |
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tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
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endif |
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enddo |
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cgg Compute the baroclinic velocity at level 1. Should balance flux. |
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tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
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heimbach |
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& - vtop / delR(1) |
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heimbach |
1.2 |
enddo |
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enddo |
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enddo |
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endif |
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endif |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
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do i = imin,imax |
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xx_obcsn1(i,k,bi,bj,iobcs) = tmpfldxz (i,k,bi,bj) |
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cgg & * maskxz (i,k,bi,bj) |
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enddo |
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enddo |
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enddo |
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enddo |
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endif |
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if ( (obcsnfirst) .or. (obcsnchanged)) then |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
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do i = imin,imax |
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tmpfldxz(i,k,bi,bj) = xx_obcsn1(i,k,bi,bj,iobcs) |
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enddo |
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enddo |
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enddo |
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enddo |
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call exf_swapffields_xz( tmpfldxz2, tmpfldxz, mythid) |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
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do i = imin,imax |
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xx_obcsn0(i,k,bi,bj,iobcs) = tmpfldxz2(i,k,bi,bj) |
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enddo |
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enddo |
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enddo |
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enddo |
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heimbach |
1.3 |
call active_read_xz_loc( fnameobcsn, tmpfldxz, |
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heimbach |
1.2 |
& (obcsncount1-1)*nobcs+iobcs, |
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& doglobalread, ladinit, optimcycle, |
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& mythid, xx_obcsn_dummy ) |
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if ( optimcycle .gt. 0) then |
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if (iobcs .eq. 3) then |
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cgg Special attention is needed for the normal velocity. |
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cgg For the north, this is the v velocity, iobcs = 3. |
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cgg This is done on a columnwise basis here. |
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do bj = jtlo,jthi |
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do bi = itlo, ithi |
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do i = imin,imax |
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cgg The barotropic velocity is stored in the level 1. |
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vbaro = tmpfldxz(i,1,bi,bj) |
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cgg Except for the special point which balances barotropic vol.flux. |
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cgg Special column in the NW corner. |
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j = OB_Jn(I,bi,bj) |
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if (ob_iw(j,bi,bj).eq.(i-1).and. |
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& ob_iw(j,bi,bj).ne. 0) then |
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print*,'correct vbaro',vbaro |
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print*,'Apply shiftvel2 @ i,j' |
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print*,shiftvel(2),i,j |
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vbaro = shiftvel(2) |
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endif |
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tmpfldxz(i,1,bi,bj) = 0.d0 |
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vtop = 0.d0 |
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do k = 1,Nr |
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cgg If cells are not full, this should be modified with hFac. |
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cgg |
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cgg The xx field (tmpfldxz) does not contain the velocity at the |
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cgg surface level. This velocity is not independent; it must |
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cgg exactly balance the volume flux, since we are dealing with |
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cgg the baroclinic velocity structure.. |
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vtop = tmpfldxz(i,k,bi,bj)* |
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heimbach |
1.4 |
& maskS(i,j+jp1,k,bi,bj) * delR(k) + vtop |
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heimbach |
1.2 |
cgg Add the barotropic velocity component. |
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if (maskS(i,j+jp1,k,bi,bj) .ne. 0.) then |
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tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
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endif |
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enddo |
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cgg Compute the baroclinic velocity at level 1. Should balance flux. |
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tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
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heimbach |
1.4 |
& - vtop / delR(1) |
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heimbach |
1.2 |
enddo |
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enddo |
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enddo |
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endif |
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if (iobcs .eq. 4) then |
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cgg Special attention is needed for the normal velocity. |
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cgg For the north, this is the v velocity, iobcs = 3. |
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cgg This is done on a columnwise basis here. |
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do bj = jtlo,jthi |
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do bi = itlo, ithi |
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do i = imin,imax |
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cgg The barotropic velocity is stored in the level 1. |
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vbaro = tmpfldxz(i,1,bi,bj) |
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cgg Except for the special point which balances barotropic vol.flux. |
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cgg Special column in the NW corner. |
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j = OB_Jn(I,bi,bj) |
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tmpfldxz(i,1,bi,bj) = 0.d0 |
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vtop = 0.d0 |
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do k = 1,Nr |
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cgg If cells are not full, this should be modified with hFac. |
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cgg |
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cgg The xx field (tmpfldxz) does not contain the velocity at the |
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cgg surface level. This velocity is not independent; it must |
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cgg exactly balance the volume flux, since we are dealing with |
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cgg the baroclinic velocity structure.. |
326 |
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vtop = tmpfldxz(i,k,bi,bj)* |
327 |
heimbach |
1.4 |
& maskW(i,j,k,bi,bj) * delR(k) + vtop |
328 |
heimbach |
1.2 |
cgg Add the barotropic velocity component. |
329 |
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if (maskW(i,j,k,bi,bj) .ne. 0.) then |
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tmpfldxz(i,k,bi,bj) = tmpfldxz(i,k,bi,bj)+ vbaro |
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endif |
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enddo |
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cgg Compute the baroclinic velocity at level 1. Should balance flux. |
334 |
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tmpfldxz(i,1,bi,bj) = tmpfldxz(i,1,bi,bj) |
335 |
heimbach |
1.4 |
& - vtop / delR(1) |
336 |
heimbach |
1.2 |
enddo |
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enddo |
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enddo |
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endif |
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endif |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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do k = 1,nr |
345 |
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do i = imin,imax |
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xx_obcsn1 (i,k,bi,bj,iobcs) = tmpfldxz (i,k,bi,bj) |
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cgg & * maskxz (i,k,bi,bj) |
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enddo |
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enddo |
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enddo |
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enddo |
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endif |
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c-- Add control to model variable. |
356 |
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do bj = jtlo,jthi |
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do bi = itlo,ithi |
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c-- Calculate mask for tracer cells (0 => land, 1 => water). |
359 |
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do k = 1,nr |
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do i = 1,snx |
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j = OB_Jn(I,bi,bj) |
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if (iobcs .EQ. 1) then |
363 |
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OBNt(i,k,bi,bj) = OBNt (i,k,bi,bj) |
364 |
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& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
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& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
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OBNt(i,k,bi,bj) = OBNt(i,k,bi,bj) |
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& *maskS(i,j+jp1,k,bi,bj) |
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cgg & *maskxz(i,k,bi,bj) |
369 |
|
|
else if (iobcs .EQ. 2) then |
370 |
|
|
OBNs(i,k,bi,bj) = OBNs (i,k,bi,bj) |
371 |
|
|
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
372 |
|
|
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
373 |
|
|
OBNs(i,k,bi,bj) = OBNs(i,k,bi,bj) |
374 |
|
|
& *maskS(i,j+jp1,k,bi,bj) |
375 |
|
|
cgg & *maskxz(i,k,bi,bj) |
376 |
|
|
else if (iobcs .EQ. 4) then |
377 |
|
|
OBNu(i,k,bi,bj) = OBNu (i,k,bi,bj) |
378 |
|
|
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
379 |
|
|
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
380 |
|
|
OBNu(i,k,bi,bj) = OBNu(i,k,bi,bj) |
381 |
|
|
& *maskW(i,j,k,bi,bj) |
382 |
|
|
cgg & *maskxz(i,k,bi,bj) |
383 |
|
|
else if (iobcs .EQ. 3) then |
384 |
|
|
OBNv(i,k,bi,bj) = OBNv (i,k,bi,bj) |
385 |
|
|
& + obcsnfac *xx_obcsn0(i,k,bi,bj,iobcs) |
386 |
|
|
& + (1. _d 0 - obcsnfac)*xx_obcsn1(i,k,bi,bj,iobcs) |
387 |
|
|
OBNv(i,k,bi,bj) = OBNv(i,k,bi,bj) |
388 |
|
|
& *maskS(i,j+jp1,k,bi,bj) |
389 |
|
|
cgg & *maskxz(i,k,bi,bj) |
390 |
|
|
endif |
391 |
|
|
enddo |
392 |
|
|
enddo |
393 |
|
|
enddo |
394 |
|
|
enddo |
395 |
|
|
|
396 |
|
|
C-- End over iobcs loop |
397 |
|
|
enddo |
398 |
|
|
|
399 |
|
|
#else /* ALLOW_OBCSN_CONTROL undefined */ |
400 |
|
|
|
401 |
|
|
c == routine arguments == |
402 |
|
|
|
403 |
|
|
_RL mytime |
404 |
|
|
integer myiter |
405 |
|
|
integer mythid |
406 |
|
|
|
407 |
|
|
c-- CPP flag ALLOW_OBCSN_CONTROL undefined. |
408 |
|
|
|
409 |
|
|
#endif /* ALLOW_OBCSN_CONTROL */ |
410 |
|
|
|
411 |
|
|
end |
412 |
|
|
|
413 |
|
|
|
414 |
|
|
|
415 |
|
|
|
416 |
|
|
|