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C $Header: /u/gcmpack/MITgcm/pkg/obcs/obcs_calc.F,v 1.24 2009/12/15 17:03:28 jahn Exp $ |
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C $Name: $ |
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|
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#include "OBCS_OPTIONS.h" |
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|
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SUBROUTINE OBCS_CALC( futureTime, futureIter, |
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& uVel, vVel, wVel, theta, salt, |
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& myThid ) |
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C |==========================================================| |
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C | SUBROUTINE OBCS_CALC | |
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C | o Calculate future boundary data at open boundaries | |
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C | at time = futureTime | |
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C |==========================================================| |
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C | | |
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C |==========================================================| |
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IMPLICIT NONE |
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|
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.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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#ifdef ALLOW_PTRACERS |
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#include "PTRACERS_SIZE.h" |
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#include "PTRACERS_PARAMS.h" |
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#include "PTRACERS_FIELDS.h" |
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#include "OBCS_PTRACERS.h" |
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#endif /* ALLOW_PTRACERS */ |
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|
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C == Routine arguments == |
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INTEGER futureIter |
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_RL futureTime |
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_RL uVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL vVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL wVel (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL theta(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL salt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER myThid |
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|
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#ifdef ALLOW_OBCS |
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|
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C == Local variables == |
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C bi, bj :: tile indices |
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C I,J,K :: loop indices |
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C I_obc, J_obc :: local index of open boundary |
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C msgBuf :: Informational/error message buffer |
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INTEGER bi, bj |
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INTEGER I, J, K, I_obc, J_obc |
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#ifdef ALLOW_OBCS_BALANCE |
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_RL Tr_T, Ar_T, Tr, Ar |
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#endif /* ALLOW_OBCS_BALANCE */ |
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#ifdef ALLOW_PTRACERS |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER iTracer |
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#endif /* ALLOW_PTRACERS */ |
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|
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|
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_ENTER('OBCS_CALC',myThid) |
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#endif |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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|
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#ifdef ALLOW_OBCS_EAST |
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C Eastern OB |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: East',myThid) |
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#endif |
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IF (useOrlanskiEast) THEN |
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#ifdef ALLOW_ORLANSKI |
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CALL ORLANSKI_EAST( |
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& bi, bj, futureTime, |
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& uVel, vVel, wVel, theta, salt, |
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& myThid ) |
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#endif |
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ELSE |
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DO K=1,Nr |
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DO J=1-Oly,sNy+Oly |
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I_obc=OB_Ie(J,bi,bj) |
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IF (I_obc.ne.0) THEN |
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OBEu(J,K,bi,bj)=0. |
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OBEv(J,K,bi,bj)=0. |
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OBEt(J,K,bi,bj)=tRef(K) |
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OBEs(J,K,bi,bj)=sRef(K) |
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#ifdef ALLOW_NONHYDROSTATIC |
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OBEw(J,K,bi,bj)=0. |
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#endif |
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#ifdef NONLIN_FRSURF |
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OBEeta(J,bi,bj)=0. |
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#endif |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_EAST */ |
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|
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C ------------------------------------------------------------------------------ |
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|
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#ifdef ALLOW_OBCS_WEST |
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C Western OB |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: West',myThid) |
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#endif |
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IF (useOrlanskiWest) THEN |
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#ifdef ALLOW_ORLANSKI |
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CALL ORLANSKI_WEST( |
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& bi, bj, futureTime, |
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& uVel, vVel, wVel, theta, salt, |
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& myThid ) |
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#endif |
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ELSE |
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DO K=1,Nr |
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DO J=1-Oly,sNy+Oly |
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I_obc=OB_Iw(J,bi,bj) |
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IF (I_obc.ne.0) THEN |
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OBWu(J,K,bi,bj)=0. |
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OBWv(J,K,bi,bj)=0. |
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OBWt(J,K,bi,bj)=tRef(K) |
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OBWs(J,K,bi,bj)=sRef(K) |
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#ifdef ALLOW_NONHYDROSTATIC |
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OBWw(J,K,bi,bj)=0. |
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#endif |
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#ifdef NONLIN_FRSURF |
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OBWeta(J,bi,bj)=0. |
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#endif |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_WEST */ |
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|
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C ------------------------------------------------------------------------------ |
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|
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#ifdef ALLOW_OBCS_NORTH |
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C Northern OB |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: North',myThid) |
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#endif |
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IF (useOrlanskiNorth) THEN |
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#ifdef ALLOW_ORLANSKI |
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CALL ORLANSKI_NORTH( |
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& bi, bj, futureTime, |
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& uVel, vVel, wVel, theta, salt, |
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& myThid ) |
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#endif |
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ELSE |
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DO K=1,Nr |
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DO I=1-Olx,sNx+Olx |
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J_obc=OB_Jn(I,bi,bj) |
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IF (J_obc.ne.0) THEN |
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OBNv(I,K,bi,bj)=0. |
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OBNu(I,K,bi,bj)=0. |
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OBNt(I,K,bi,bj)=tRef(K) |
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OBNs(I,K,bi,bj)=sRef(K) |
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#ifdef ALLOW_NONHYDROSTATIC |
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OBNw(I,K,bi,bj)=0. |
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#endif |
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#ifdef NONLIN_FRSURF |
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OBNeta(I,bi,bj)=0. |
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#endif |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_NORTH */ |
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|
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C ------------------------------------------------------------------------------ |
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|
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#ifdef ALLOW_OBCS_SOUTH |
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C Southern OB |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: South',myThid) |
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#endif |
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IF (useOrlanskiSouth) THEN |
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#ifdef ALLOW_ORLANSKI |
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CALL ORLANSKI_SOUTH( |
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& bi, bj, futureTime, |
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& uVel, vVel, wVel, theta, salt, |
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& myThid ) |
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#endif |
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ELSE |
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DO K=1,Nr |
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DO I=1-Olx,sNx+Olx |
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J_obc=OB_Js(I,bi,bj) |
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IF (J_obc.ne.0) THEN |
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OBSu(I,K,bi,bj)=0. |
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OBSv(I,K,bi,bj)=0. |
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OBSt(I,K,bi,bj)=tRef(K) |
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OBSs(I,K,bi,bj)=sRef(K) |
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#ifdef ALLOW_NONHYDROSTATIC |
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OBSw(I,K,bi,bj)=0. |
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#endif |
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#ifdef NONLIN_FRSURF |
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OBSeta(I,bi,bj)=0. |
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#endif |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_SOUTH */ |
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|
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#ifdef ALLOW_PTRACERS |
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IF ( usePTRACERS ) THEN |
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C |
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C Calculate some default open boundary conditions for passive tracers: |
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C The default is a homogeneous v.Neumann conditions, that is, the |
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C tracer gradient across the open boundary is nearly zero; |
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C only nearly, because the boundary conditions are applied throughout |
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C the time step during which the interior field does change; therefore |
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C we have to use the values from the previous time step here. If you |
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C really want exact v.Neumann conditions, you have to modify |
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C obcs_apply_ptracer directly. |
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C |
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# ifdef ALLOW_OBCS_EAST |
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C Eastern OB |
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# ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: East, pTracers',myThid) |
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# endif |
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IF (useOrlanskiEast) THEN |
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WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: useOrlanskiEast Rad OBC with' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: pTracers not yet implemented' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R OBCS_CALC' |
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ELSE |
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DO iTracer=1,PTRACERS_numInUse |
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DO K=1,Nr |
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DO J=1-Oly,sNy+Oly |
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I_obc=OB_Ie(J,bi,bj) |
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IF (I_obc.ne.0) THEN |
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OBEptr(J,K,bi,bj,iTracer) = |
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& pTracer(I_obc-1,J,K,bi,bj,iTracer) |
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& *_maskW(I_obc,J,K,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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# endif /* ALLOW_OBCS_EAST */ |
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|
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C ------------------------------------------------------------------------------ |
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|
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# ifdef ALLOW_OBCS_WEST |
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C Western OB |
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# ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: West, pTracers',myThid) |
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# endif |
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IF (useOrlanskiWest) THEN |
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WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: useOrlanskiWest Rad OBC with' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: pTracers not yet implemented' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R OBCS_CALC' |
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ELSE |
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DO iTracer=1,PTRACERS_numInUse |
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DO K=1,Nr |
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DO J=1-Oly,sNy+Oly |
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I_obc=OB_Iw(J,bi,bj) |
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IF (I_obc.ne.0) THEN |
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OBWptr(J,K,bi,bj,iTracer) = |
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& pTracer(I_obc+1,J,K,bi,bj,iTracer) |
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& *_maskW(I_obc+1,J,K,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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# endif /* ALLOW_OBCS_WEST */ |
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|
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C ------------------------------------------------------------------------------ |
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|
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# ifdef ALLOW_OBCS_NORTH |
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C Northern OB |
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# ifdef ALLOW_DEBUG |
| 288 |
IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: North, pTracers',myThid) |
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# endif |
| 291 |
IF (useOrlanskiNorth) THEN |
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WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: useOrlanskiNorth Rad OBC with' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: pTracers not yet implemented' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R OBCS_CALC' |
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ELSE |
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DO iTracer=1,PTRACERS_numInUse |
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DO K=1,Nr |
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DO I=1-Olx,sNx+Olx |
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J_obc=OB_Jn(I,bi,bj) |
| 304 |
IF (J_obc.ne.0) THEN |
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OBNptr(I,K,bi,bj,iTracer) = |
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& pTracer(I,J_obc-1,K,bi,bj,iTracer) |
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& *_maskS(I,J_obc,K,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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# endif /* ALLOW_OBCS_NORTH */ |
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|
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C ------------------------------------------------------------------------------ |
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|
| 317 |
# ifdef ALLOW_OBCS_SOUTH |
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C Southern OB |
| 319 |
# ifdef ALLOW_DEBUG |
| 320 |
IF ( debugLevel .GE. debLevB ) |
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& CALL DEBUG_MSG('OBCS_CALC: South, pTracers',myThid) |
| 322 |
#endif |
| 323 |
IF (useOrlanskiSouth) THEN |
| 324 |
WRITE(msgBuf,'(A)') |
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& 'OBCS_CALC: ERROR: useOrlanskiSouth Rad OBC with' |
| 326 |
CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A)') |
| 328 |
& 'OBCS_CALC: ERROR: pTracers not yet implemented' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R OBCS_CALC' |
| 331 |
ELSE |
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DO iTracer=1,PTRACERS_numInUse |
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DO K=1,Nr |
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DO I=1-Olx,sNx+Olx |
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J_obc=OB_Js(I,bi,bj) |
| 336 |
IF (J_obc.ne.0) THEN |
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OBSptr(I,K,bi,bj,iTracer) = |
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& pTracer(I,J_obc+1,K,bi,bj,iTracer) |
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& *_maskS(I,J_obc+1,K,bi,bj) |
| 340 |
ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
| 344 |
ENDIF |
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# endif /* ALLOW_OBCS_SOUTH */ |
| 346 |
C end if (usePTracers) |
| 347 |
ENDIF |
| 348 |
#endif /* ALLOW_PTRACERS */ |
| 349 |
|
| 350 |
C-- end bi,bj loops. |
| 351 |
ENDDO |
| 352 |
ENDDO |
| 353 |
|
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C ------------------------------------------------------------------------------ |
| 355 |
|
| 356 |
#ifdef ALLOW_OBCS_PRESCRIBE |
| 357 |
IF (useOBCSprescribe) THEN |
| 358 |
C-- Calculate future values on open boundaries |
| 359 |
#ifdef ALLOW_DEBUG |
| 360 |
IF ( debugLevel .GE. debLevB ) |
| 361 |
& CALL DEBUG_CALL('OBCS_PRESCRIBE_READ',myThid) |
| 362 |
#endif |
| 363 |
CALL OBCS_PRESCRIBE_READ( futureTime, futureIter, myThid ) |
| 364 |
ENDIF |
| 365 |
#endif /* ALLOW_OBCS_PRESCRIBE */ |
| 366 |
|
| 367 |
C ------------------------------------------------------------------------------ |
| 368 |
|
| 369 |
#ifdef ALLOW_OBCS_BALANCE |
| 370 |
IF ( useOBCSbalance) THEN |
| 371 |
#ifdef ALLOW_DEBUG |
| 372 |
IF ( debugLevel .GE. debLevB ) |
| 373 |
& CALL DEBUG_MSG('useOBCSbalance=.TRUE.',myThid) |
| 374 |
#endif |
| 375 |
|
| 376 |
#ifdef ALLOW_OBCS_EAST |
| 377 |
Tr_T = 0. _d 0 |
| 378 |
Ar_T = 0. _d 0 |
| 379 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 380 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 381 |
DO K=1,Nr |
| 382 |
DO J=1,sNy |
| 383 |
I_obc=OB_Ie(J,bi,bj) |
| 384 |
IF (I_obc.ne.0) THEN |
| 385 |
Ar = drF(k)*hFacC(I_obc,j,k,bi,bj)*dyG(I_obc,j,bi,bj) |
| 386 |
Ar_T = Ar_T + Ar |
| 387 |
Tr_T = Tr_T + Ar * OBEu(J,K,bi,bj) |
| 388 |
ENDIF |
| 389 |
ENDDO |
| 390 |
ENDDO |
| 391 |
ENDDO |
| 392 |
ENDDO |
| 393 |
_GLOBAL_SUM_RL( Ar_T , myThid ) |
| 394 |
IF ( Ar_T .GT. 0. _d 0 ) THEN |
| 395 |
_GLOBAL_SUM_RL( Tr_T , myThid ) |
| 396 |
Tr_T = (0. - Tr_T)/Ar_T |
| 397 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 398 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 399 |
DO K=1,Nr |
| 400 |
DO J=1-Oly,sNy+Oly |
| 401 |
I_obc=OB_Ie(J,bi,bj) |
| 402 |
IF (I_obc.ne.0) THEN |
| 403 |
OBEu(J,K,bi,bj) = OBEu(J,K,bi,bj) + Tr_T |
| 404 |
c OBEv(J,K,bi,bj) = 0. |
| 405 |
ENDIF |
| 406 |
ENDDO |
| 407 |
ENDDO |
| 408 |
ENDDO |
| 409 |
ENDDO |
| 410 |
ENDIF |
| 411 |
#endif |
| 412 |
|
| 413 |
#ifdef ALLOW_OBCS_WEST |
| 414 |
Tr_T = 0. _d 0 |
| 415 |
Ar_T = 0. _d 0 |
| 416 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 417 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 418 |
DO K=1,Nr |
| 419 |
DO J=1,sNy |
| 420 |
I_obc=OB_Iw(J,bi,bj) |
| 421 |
IF (I_obc.ne.0) THEN |
| 422 |
Ar = drF(k)*hFacC(I_obc,j,k,bi,bj)*dyG(I_obc,j,bi,bj) |
| 423 |
Ar_T = Ar_T + Ar |
| 424 |
Tr_T = Tr_T + Ar * OBWu(J,K,bi,bj) |
| 425 |
ENDIF |
| 426 |
ENDDO |
| 427 |
ENDDO |
| 428 |
ENDDO |
| 429 |
ENDDO |
| 430 |
_GLOBAL_SUM_RL( Ar_T , myThid ) |
| 431 |
IF ( Ar_T .GT. 0. _d 0 ) THEN |
| 432 |
_GLOBAL_SUM_RL( Tr_T , myThid ) |
| 433 |
Tr_T = (0. - Tr_T)/Ar_T |
| 434 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 435 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 436 |
DO K=1,Nr |
| 437 |
DO J=1-Oly,sNy+Oly |
| 438 |
I_obc=OB_Iw(J,bi,bj) |
| 439 |
IF (I_obc.ne.0) THEN |
| 440 |
OBWu(J,K,bi,bj) = OBWu(J,K,bi,bj) + Tr_T |
| 441 |
c OBWv(J,K,bi,bj) = 0. |
| 442 |
ENDIF |
| 443 |
ENDDO |
| 444 |
ENDDO |
| 445 |
ENDDO |
| 446 |
ENDDO |
| 447 |
ENDIF |
| 448 |
#endif |
| 449 |
|
| 450 |
#ifdef ALLOW_OBCS_NORTH |
| 451 |
Tr_T = 0. _d 0 |
| 452 |
Ar_T = 0. _d 0 |
| 453 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 454 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 455 |
DO K=1,Nr |
| 456 |
DO I=1,sNx |
| 457 |
J_obc=OB_Jn(I,bi,bj) |
| 458 |
IF (J_obc.ne.0) THEN |
| 459 |
Ar = drF(k)*hFacC(i,J_obc,k,bi,bj)*dxG(i,J_obc,bi,bj) |
| 460 |
Ar_T = Ar_T + Ar |
| 461 |
Tr_T = Tr_T + Ar * OBNv(I,K,bi,bj) |
| 462 |
ENDIF |
| 463 |
ENDDO |
| 464 |
ENDDO |
| 465 |
ENDDO |
| 466 |
ENDDO |
| 467 |
_GLOBAL_SUM_RL( Ar_T , myThid ) |
| 468 |
IF ( Ar_T .GT. 0. _d 0 ) THEN |
| 469 |
_GLOBAL_SUM_RL( Tr_T , myThid ) |
| 470 |
Tr_T = (0. - Tr_T)/Ar_T |
| 471 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 472 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 473 |
DO K=1,Nr |
| 474 |
DO I=1-Olx,sNx+Olx |
| 475 |
J_obc=OB_Jn(I,bi,bj) |
| 476 |
IF (J_obc.ne.0) THEN |
| 477 |
c OBNu(I,K,bi,bj) = 0. |
| 478 |
OBNv(I,K,bi,bj) = OBNv(I,K,bi,bj) + Tr_T |
| 479 |
ENDIF |
| 480 |
ENDDO |
| 481 |
ENDDO |
| 482 |
ENDDO |
| 483 |
ENDDO |
| 484 |
ENDIF |
| 485 |
#endif |
| 486 |
|
| 487 |
#ifdef ALLOW_OBCS_SOUTH |
| 488 |
Tr_T = 0. _d 0 |
| 489 |
Ar_T = 0. _d 0 |
| 490 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 491 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 492 |
DO K=1,Nr |
| 493 |
DO I=1,sNx |
| 494 |
J_obc=OB_Js(I,bi,bj) |
| 495 |
IF (J_obc.ne.0) THEN |
| 496 |
Ar = drF(k)*hFacC(i,J_obc,k,bi,bj)*dxG(i,J_obc,bi,bj) |
| 497 |
Ar_T = Ar_T + Ar |
| 498 |
Tr_T = Tr_T + Ar * OBSv(I,K,bi,bj) |
| 499 |
ENDIF |
| 500 |
ENDDO |
| 501 |
ENDDO |
| 502 |
ENDDO |
| 503 |
ENDDO |
| 504 |
_GLOBAL_SUM_RL( Ar_T , myThid ) |
| 505 |
IF ( Ar_T .GT. 0. _d 0 ) THEN |
| 506 |
_GLOBAL_SUM_RL( Tr_T , myThid ) |
| 507 |
Tr_T = (0. - Tr_T)/Ar_T |
| 508 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 509 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 510 |
DO K=1,Nr |
| 511 |
DO I=1-Olx,sNx+Olx |
| 512 |
J_obc=OB_Js(I,bi,bj) |
| 513 |
IF (J_obc.ne.0) THEN |
| 514 |
c OBSu(I,K,bi,bj) = 0. |
| 515 |
OBSv(I,K,bi,bj) = OBSv(I,K,bi,bj) + Tr_T |
| 516 |
ENDIF |
| 517 |
ENDDO |
| 518 |
ENDDO |
| 519 |
ENDDO |
| 520 |
ENDDO |
| 521 |
ENDIF |
| 522 |
#endif |
| 523 |
|
| 524 |
ENDIF |
| 525 |
#endif /* ALLOW_OBCS_BALANCE */ |
| 526 |
|
| 527 |
#endif /* ALLOW_OBCS */ |
| 528 |
|
| 529 |
#ifdef ALLOW_DEBUG |
| 530 |
IF ( debugLevel .GE. debLevB ) |
| 531 |
& CALL DEBUG_LEAVE('OBCS_CALC',myThid) |
| 532 |
#endif |
| 533 |
RETURN |
| 534 |
END |
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