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C $Header$ |
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C Tag $Name$ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE THE_CORRECTION_STEP(myTime, myIter, myThid) |
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C /==========================================================\ |
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C | SUBROUTINE THE_CORRECTION_STEP | |
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C |==========================================================| |
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C | | |
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C | U*,V* (contained in gUnm1,gVnm1) have the surface | |
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C | pressure gradient term added and the result stored in | |
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C | U,V (contained in uVel, vVel) | |
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C | | |
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C | T* (contained in gTnm1) is copied to T (theta) | |
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C | | |
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C | S* (contained in gSnm1) is copied to S (salt) | |
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C | | |
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C \==========================================================/ |
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IMPLICIT NONE |
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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 "DYNVARS.h" |
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C == Routine arguments == |
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C myTime - Current time in simulation |
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C myIter - Current iteration number in simulation |
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C myThid - Thread number for this instance of the routine. |
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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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_RL etaSurfX(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL etaSurfY(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER iMin,iMax |
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INTEGER jMin,jMax |
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INTEGER bi,bj |
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INTEGER k,i,j |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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C-- Set up work arrays that need valid initial values |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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etaSurfX(i,j)=0. |
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etaSurfY(i,j)=0. |
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ENDDO |
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ENDDO |
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C The arrays used for time stepping are cycled. |
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C |
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C Tracers: |
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C T(n) = Gt(n-1) |
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C Gt(n-1) = Gt(n) |
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C Momentum: |
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C V(n) = Gv(n-1) - dt * grad Eta |
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C Gv(n-1) = Gv(n) |
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C |
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C Static stability is calculated and the tracers are |
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C convective adjusted where statically unstable. |
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C Loop range: Gradients of Eta are evaluated so valid |
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C range is all but first row and column in overlaps. |
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iMin = 1-OLx+1 |
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iMax = sNx+OLx |
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jMin = 1-OLy+1 |
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jMax = sNy+OLy |
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C- Calculate gradient of surface pressure |
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CALL CALC_GRAD_ETA_SURF( |
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I bi,bj,iMin,iMax,jMin,jMax, |
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O etaSurfX,etaSurfY, |
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I myThid ) |
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C-- Loop over all layers, top to bottom |
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DO K=1,Nr |
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C- Update velocity fields: V(n) = V** - dt * grad Eta |
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CALL CORRECTION_STEP( |
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I bi,bj,iMin,iMax,jMin,jMax,K, |
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I etaSurfX,etaSurfY,myTime,myThid ) |
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C- Update tracer fields: T(n) = T**, Gt(n-1) = Gt(n) |
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IF (tempStepping) |
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& CALL CYCLE_TRACER( |
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I bi,bj,iMin,iMax,jMin,jMax,K, |
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U theta,gT,gTNm1, |
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I myTime,myThid ) |
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IF (saltStepping) |
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& CALL CYCLE_TRACER( |
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I bi,bj,iMin,iMax,jMin,jMax,K, |
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U salt,gS,gSNm1, |
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I myTime,myThid ) |
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#ifdef ALLOW_OBCS |
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE uvel (:,:,k,bi,bj) = comlev1_bibj, key = ikey, byte = isbyte |
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CADJ STORE vvel (:,:,k,bi,bj) = comlev1_bibj, key = ikey, byte = isbyte |
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CADJ STORE theta(:,:,k,bi,bj) = comlev1_bibj, key = ikey, byte = isbyte |
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CADJ STORE salt (:,:,k,bi,bj) = comlev1_bibj, key = ikey, byte = isbyte |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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IF (useOBCS) THEN |
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CALL OBCS_APPLY_UV(bi,bj,K,uVel,vVel,myThid) |
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ENDIF |
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#endif /* ALLOW_OBCS */ |
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C-- End DO K=1,Nr |
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ENDDO |
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C-- Convectively adjust new fields to be statically stable |
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CALL CONVECTIVE_ADJUSTMENT( |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myTime, myIter, myThid ) |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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