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jmc |
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C $Header: $ |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE CALC_SURF_DR(etaFld, |
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I myTime, myIter, myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE CALC_SURF_DR | |
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C | o Calculate the new surface level thickness according to | |
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C | the surface r-position (Non-Linear Free-Surf) | |
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C | o take decision if grid box becomes too thin or too thick| |
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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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c #include "DYNVARS.h" |
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#include "GRID.h" |
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#include "SURFACE.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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C etaFld - current eta field used to update the hFactor |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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_RL etaFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
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#ifdef NONLIN_FRSURF |
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C Local variables |
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C i,j,k,bi,bj - loop counter |
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INTEGER i,j,k,bi,bj |
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INTEGER ks |
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_RL hFactmp |
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_RS hhm, hhp |
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CHARACTER*(MAX_LEN_MBUF) suff |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- Initialise arrays : |
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IF (myIter.EQ.nIter0) THEN |
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DO bj=myByLo(myThid), myByHi(myThid) |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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hFac_surfC(i,j,bi,bj) = 0. |
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hFac_surfW(i,j,bi,bj) = 0. |
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hFac_surfS(i,j,bi,bj) = 0. |
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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---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- Compute the new fractional thickness of surface level (ksurfC): |
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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 DO j=1-Oly,sNy+Oly |
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c DO i=1-Olx,sNx+Olx |
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DO j=1,sNy |
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DO i=1,sNx |
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ks = ksurfC(i,j,bi,bj) |
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IF (ks.LE.Nr) THEN |
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hFac_surfC(i,j,bi,bj) = hFacC(i,j,ks,bi,bj) |
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hFactmp = ( Ro_surf(i,j,bi,bj)+etaFld(i,j,bi,bj) |
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& -MAX( rF(ks+1), R_low(i,j,bi,bj) ) |
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& )*recip_drF(ks) |
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IF ( hFactmp.GE.hFacInf .AND. hFactmp.LE.hFacSup ) THEN |
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hFac_surfC(i,j,bi,bj) = maskC(i,j,ks,bi,bj)*hFactmp |
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ELSE |
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C---------- needs to do something : |
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IF (hFactmp.LT.hFacInf) THEN |
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write(0,'(2A,6I4,I10)') 'WARNING: hFacC < hFacInf at:', |
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& ' i,j,k,bi,bj,Thid,Iter=',i,j,ks,bi,bj,myThid,myIter |
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ENDIF |
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IF (hFactmp.GT.hFacSup) THEN |
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write(0,'(2A,6I4,I10)') 'WARNING: hFacC > hFacSup at:', |
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& ' i,j,k,bi,bj,Thid,Iter=',i,j,ks,bi,bj,myThid,myIter |
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ENDIF |
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write(0,'(A,2F10.6,1PE14.6)') 'hFac_n-1,hFac_n,eta =', |
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& hfacC(i,j,ks,bi,bj), hFactmp, etaFld(i,j,bi,bj) |
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write(0,'(2A)') 'STOP in CALC_SURF_DR :', |
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& ' too SMALL or too LARGE hFac !' |
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STOP 'ABNORMAL END: S/R CALC_SURF_DR' |
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C---------- |
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ENDIF |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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_EXCH_XY_R4(hFac_surfC, myThid ) |
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C-- Apply the mask after the exchange : <-- no need here |
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c DO bj=myByLo(myThid), myByHi(myThid) |
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c DO bi=myBxLo(myThid), myBxHi(myThid) |
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c DO j=1-Oly,sNy+Oly |
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c DO i=1-Olx,sNx+Olx |
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c ks = ksurfC(i,j,bi,bj) |
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c IF (ks.LE.Nr) THEN |
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c hFac_surfC(i,j,bi,bj) = hFac_surfC(i,j,bi,bj) |
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c & * maskC(i,j,ks,bi,bj) |
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c ELSE |
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c hFac_surfC(i,j,bi,bj) = 0. |
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c ENDIF |
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c ENDDO |
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c ENDDO |
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c ENDDO |
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c ENDDO |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C-- Compute fractional thickness of surface level, for U & V point: |
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DO bj=myByLo(myThid), myByHi(myThid) |
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DO bi=myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx+1 |
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ks = ksurfW(i,j,bi,bj) |
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IF (ks.LE.Nr) THEN |
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hhm = hFacC(i-1,j,ks,bi,bj) |
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IF(ks.EQ.ksurfC(i-1,j,bi,bj)) hhm=hFac_surfC(i-1,j,bi,bj) |
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hhp = hFacC(i,j,ks,bi,bj) |
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IF(ks.EQ.ksurfC(i,j,bi,bj)) hhp=hFac_surfC(i,j,bi,bj) |
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hFac_surfW(i,j,bi,bj) = MIN(hhm,hhp)*maskW(i,j,ks,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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DO j=1,sNy+1 |
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DO i=1,sNx |
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ks = ksurfS(i,j,bi,bj) |
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IF (ks.LE.Nr) THEN |
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hhm = hFacC(i,j-1,ks,bi,bj) |
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IF(ks.EQ.ksurfC(i,j-1,bi,bj)) hhm=hFac_surfC(i,j-1,bi,bj) |
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hhp = hFacC(i,j,ks,bi,bj) |
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IF(ks.EQ.ksurfC(i,j,bi,bj)) hhp = hFac_surfC(i,j,bi,bj) |
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hFac_surfS(i,j,bi,bj) = MIN(hhm,hhp)*maskS(i,j,ks,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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ENDDO |
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CALL EXCH_UV_XY_RS(hFac_surfW,hFac_surfS,.FALSE.,myThid) |
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C-- Apply the mask after the exchange : <-- no need here |
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c DO bj=myByLo(myThid), myByHi(myThid) |
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c DO bi=myBxLo(myThid), myBxHi(myThid) |
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c DO j=1-Oly,sNy+Oly |
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c DO i=1-Olx,sNx+Olx |
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c ks = ksurfW(i,j,bi,bj) |
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c IF (ks.LE.Nr) THEN |
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c hFac_surfW(i,j,bi,bj) = hFac_surfW(i,j,bi,bj) |
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c & * maskW(i,j,ks,bi,bj) |
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c ELSE |
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c hFac_surfW(i,j,bi,bj) = 0. |
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c ENDIF |
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c ks = ksurfS(i,j,bi,bj) |
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c IF (ks.LE.Nr) THEN |
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c hFac_surfS(i,j,bi,bj) = hFac_surfS(i,j,bi,bj) |
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c & * maskS(i,j,ks,bi,bj) |
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c ELSE |
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c hFac_surfS(i,j,bi,bj) = 0. |
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c ENDIF |
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c ENDDO |
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c ENDDO |
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c ENDDO |
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c ENDDO |
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WRITE(suff,'(I10.10)') myIter |
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c CALL WRITE_FLD_XY_RS('hFac_surfC.',suff,hFac_surfC, |
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c & myIter,myThid) |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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#endif /* NONLIN_FRSURF */ |
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RETURN |
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END |
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