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C $Header: /u/gcmpack/MITgcm/model/src/solve_for_pressure.F,v 1.60 2007/06/01 16:42:16 heimbach Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: SOLVE_FOR_PRESSURE |
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C !INTERFACE: |
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SUBROUTINE SOLVE_FOR_PRESSURE(myTime, myIter, myThid) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE SOLVE_FOR_PRESSURE |
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C | o Controls inversion of two and/or three-dimensional |
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C | elliptic problems for the pressure field. |
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C *==========================================================* |
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C \ev |
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|
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C !USES: |
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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 "GRID.h" |
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#include "SURFACE.h" |
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#include "FFIELDS.h" |
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#include "DYNVARS.h" |
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#include "SOLVE_FOR_PRESSURE.h" |
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#ifdef ALLOW_NONHYDROSTATIC |
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#include "SOLVE_FOR_PRESSURE3D.h" |
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#include "NH_VARS.h" |
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#endif |
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#ifdef ALLOW_CD_CODE |
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#include "CD_CODE_VARS.h" |
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#endif |
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#ifdef ALLOW_OBCS |
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#include "OBCS.h" |
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#endif |
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|
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C === Functions ==== |
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LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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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 SOLVE_FOR_PRESSURE |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j,k,bi,bj |
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_RS uf(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RS vf(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL firstResidual,lastResidual |
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_RL tmpFac |
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_RL sumEmP, tileEmP |
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LOGICAL putPmEinXvector |
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INTEGER numIters, ks |
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CHARACTER*10 sufx |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef ALLOW_NONHYDROSTATIC |
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INTEGER kp1 |
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_RL wFacKm, wFacKp |
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LOGICAL zeroPsNH |
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#endif |
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CEOP |
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|
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#ifdef ALLOW_NONHYDROSTATIC |
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c zeroPsNH = .FALSE. |
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zeroPsNH = exactConserv |
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#endif |
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|
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C deepAtmosphere & useRealFreshWaterFlux: only valid if deepFac2F(ksurf)=1 |
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C anelastic (always Z-coordinate): |
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C 1) assume that rhoFacF(1)=1 (and ksurf == 1); |
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C (this reduces the number of lines of code to modify) |
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C 2) (a) 2-D continuity eq. compute div. of mass transport (<- add rhoFac) |
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C (b) gradient of surf.Press in momentum eq. (<- add 1/rhoFac) |
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C => 2 factors cancel in elliptic eq. for Phi_s , |
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C but 1rst factor(a) remains in RHS cg2d_b. |
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|
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C-- Initialise the Vector solution with etaN + deltaT*Global_mean_PmE |
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C instead of simply etaN ; This can speed-up the solver convergence in |
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C the case where |Global_mean_PmE| is large. |
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putPmEinXvector = .FALSE. |
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c putPmEinXvector = useRealFreshWaterFlux |
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|
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C-- Save previous solution & Initialise Vector solution and source term : |
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sumEmP = 0. |
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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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#ifdef ALLOW_CD_CODE |
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etaNm1(i,j,bi,bj) = etaN(i,j,bi,bj) |
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#endif |
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cg2d_x(i,j,bi,bj) = Bo_surf(i,j,bi,bj)*etaN(i,j,bi,bj) |
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cg2d_b(i,j,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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IF (useRealFreshWaterFlux) THEN |
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tmpFac = freeSurfFac*convertEmP2rUnit |
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IF (exactConserv) |
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& tmpFac = freeSurfFac*convertEmP2rUnit*implicDiv2DFlow |
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DO j=1,sNy |
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DO i=1,sNx |
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cg2d_b(i,j,bi,bj) = |
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& tmpFac*_rA(i,j,bi,bj)*EmPmR(i,j,bi,bj)/deltaTMom |
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ENDDO |
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ENDDO |
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ENDIF |
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IF ( putPmEinXvector ) THEN |
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tileEmP = 0. |
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DO j=1,sNy |
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DO i=1,sNx |
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tileEmP = tileEmP + rA(i,j,bi,bj)*EmPmR(i,j,bi,bj) |
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& *maskH(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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sumEmP = sumEmP + tileEmP |
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ENDIF |
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ENDDO |
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ENDDO |
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IF ( putPmEinXvector ) THEN |
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_GLOBAL_SUM_R8( sumEmP, 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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IF ( putPmEinXvector ) THEN |
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tmpFac = 0. |
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IF (globalArea.GT.0.) tmpFac = freeSurfFac*deltaTfreesurf |
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& *convertEmP2rUnit*sumEmP/globalArea |
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DO j=1,sNy |
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DO i=1,sNx |
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cg2d_x(i,j,bi,bj) = cg2d_x(i,j,bi,bj) |
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& - tmpFac*Bo_surf(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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C- RHS: similar to the divergence of the vertically integrated mass transport: |
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C del_i { Sum_k [ rhoFac.(dr.hFac).(dy.deepFac).(u*) ] } / deltaT |
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DO K=Nr,1,-1 |
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DO j=1,sNy+1 |
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DO i=1,sNx+1 |
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uf(i,j) = _dyG(i,j,bi,bj)*deepFacC(k) |
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& *drF(k)*_hFacW(i,j,k,bi,bj)*rhoFacC(k) |
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vf(i,j) = _dxG(i,j,bi,bj)*deepFacC(k) |
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& *drF(k)*_hFacS(i,j,k,bi,bj)*rhoFacC(k) |
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ENDDO |
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ENDDO |
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CALL CALC_DIV_GHAT( |
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I bi,bj,1,sNx,1,sNy,K, |
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I uf,vf, |
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U cg2d_b, |
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I myThid) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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C-- Add source term arising from w=d/dt (p_s + p_nh) |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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#ifdef ALLOW_NONHYDROSTATIC |
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IF ( use3Dsolver .AND. zeroPsNH ) THEN |
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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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cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
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& -freeSurfFac*_rA(i,j,bi,bj)*deepFac2F(ks) |
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& /deltaTMom/deltaTfreesurf |
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& * etaH(i,j,bi,bj) |
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cg3d_b(i,j,ks,bi,bj) = cg3d_b(i,j,ks,bi,bj) |
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& -freeSurfFac*_rA(i,j,bi,bj)*deepFac2F(ks) |
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& /deltaTMom/deltaTfreesurf |
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& * etaH(i,j,bi,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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ELSEIF ( use3Dsolver ) THEN |
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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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cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
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& -freeSurfFac*_rA(i,j,bi,bj)*deepFac2F(ks) |
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& /deltaTMom/deltaTfreesurf |
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& *( etaN(i,j,bi,bj) |
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& +phi_nh(i,j,ks,bi,bj)*recip_Bo(i,j,bi,bj) ) |
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cg3d_b(i,j,ks,bi,bj) = cg3d_b(i,j,ks,bi,bj) |
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& -freeSurfFac*_rA(i,j,bi,bj)*deepFac2F(ks) |
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& /deltaTMom/deltaTfreesurf |
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& *( etaN(i,j,bi,bj) |
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& +phi_nh(i,j,ks,bi,bj)*recip_Bo(i,j,bi,bj) ) |
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ENDIF |
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ENDDO |
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ENDDO |
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ELSEIF ( exactConserv ) THEN |
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#else |
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IF ( exactConserv ) THEN |
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#endif /* ALLOW_NONHYDROSTATIC */ |
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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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cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
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& -freeSurfFac*_rA(i,j,bi,bj)*deepFac2F(ks) |
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& /deltaTMom/deltaTfreesurf |
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& * etaH(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ELSE |
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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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cg2d_b(i,j,bi,bj) = cg2d_b(i,j,bi,bj) |
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& -freeSurfFac*_rA(i,j,bi,bj)*deepFac2F(ks) |
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& /deltaTMom/deltaTfreesurf |
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& * etaN(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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#ifdef ALLOW_OBCS |
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IF (useOBCS) THEN |
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DO i=1,sNx |
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C Northern boundary |
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IF (OB_Jn(I,bi,bj).NE.0) THEN |
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cg2d_b(I,OB_Jn(I,bi,bj),bi,bj)=0. |
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cg2d_x(I,OB_Jn(I,bi,bj),bi,bj)=0. |
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ENDIF |
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C Southern boundary |
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IF (OB_Js(I,bi,bj).NE.0) THEN |
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cg2d_b(I,OB_Js(I,bi,bj),bi,bj)=0. |
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cg2d_x(I,OB_Js(I,bi,bj),bi,bj)=0. |
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ENDIF |
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ENDDO |
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DO j=1,sNy |
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C Eastern boundary |
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IF (OB_Ie(J,bi,bj).NE.0) THEN |
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cg2d_b(OB_Ie(J,bi,bj),J,bi,bj)=0. |
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cg2d_x(OB_Ie(J,bi,bj),J,bi,bj)=0. |
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ENDIF |
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C Western boundary |
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IF (OB_Iw(J,bi,bj).NE.0) THEN |
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cg2d_b(OB_Iw(J,bi,bj),J,bi,bj)=0. |
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cg2d_x(OB_Iw(J,bi,bj),J,bi,bj)=0. |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS */ |
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C- end bi,bj loops |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) THEN |
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CALL DEBUG_STATS_RL(1,cg2d_b,'cg2d_b (SOLVE_FOR_PRESSURE)', |
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& myThid) |
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ENDIF |
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#endif |
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IF ( DIFFERENT_MULTIPLE(diagFreq, myTime, deltaTClock) ) THEN |
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WRITE(sufx,'(I10.10)') myIter |
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CALL WRITE_FLD_XY_RS( 'cg2d_b.', sufx, cg2d_b, myIter, myThid ) |
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ENDIF |
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|
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C-- Find the surface pressure using a two-dimensional conjugate |
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C-- gradient solver. |
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C see CG2D.h for the interface to this routine. |
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firstResidual=0. |
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lastResidual=0. |
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numIters=cg2dMaxIters |
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c CALL TIMER_START('CG2D [SOLVE_FOR_PRESSURE]',myThid) |
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#ifdef ALLOW_CG2D_NSA |
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C-- Call the not-self-adjoint version of cg2d |
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CALL CG2D_NSA( |
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U cg2d_b, |
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U cg2d_x, |
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O firstResidual, |
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O lastResidual, |
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U numIters, |
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I myThid ) |
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#else /* not ALLOW_CG2D_NSA = default */ |
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CALL CG2D( |
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U cg2d_b, |
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U cg2d_x, |
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O firstResidual, |
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O lastResidual, |
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U numIters, |
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I myThid ) |
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#endif /* ALLOW_CG2D_NSA */ |
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_EXCH_XY_R8(cg2d_x, myThid ) |
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c CALL TIMER_STOP ('CG2D [SOLVE_FOR_PRESSURE]',myThid) |
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|
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel .GE. debLevB ) THEN |
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CALL DEBUG_STATS_RL(1,cg2d_x,'cg2d_x (SOLVE_FOR_PRESSURE)', |
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& myThid) |
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ENDIF |
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#endif |
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|
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C- dump CG2D output at monitorFreq (to reduce size of STD-OUTPUT files) : |
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IF ( DIFFERENT_MULTIPLE(monitorFreq,myTime,deltaTClock) |
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& ) THEN |
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IF ( debugLevel .GE. debLevA ) THEN |
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_BEGIN_MASTER( myThid ) |
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WRITE(msgBuf,'(A34,1PE24.14)') 'cg2d_init_res =',firstResidual |
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CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
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WRITE(msgBuf,'(A34,I6)') 'cg2d_iters =',numIters |
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CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
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WRITE(msgBuf,'(A34,1PE24.14)') 'cg2d_res =',lastResidual |
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CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
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_END_MASTER( myThid ) |
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ENDIF |
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ENDIF |
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|
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C-- Transfert the 2D-solution to "etaN" : |
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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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etaN(i,j,bi,bj) = recip_Bo(i,j,bi,bj)*cg2d_x(i,j,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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|
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#ifdef ALLOW_NONHYDROSTATIC |
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IF ( use3Dsolver ) THEN |
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|
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C-- Solve for a three-dimensional pressure term (NH or IGW or both ). |
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C see CG3D.h for the interface to this routine. |
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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+1 |
| 342 |
DO i=1,sNx+1 |
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uf(i,j)=-_recip_dxC(i,j,bi,bj)* |
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& (cg2d_x(i,j,bi,bj)-cg2d_x(i-1,j,bi,bj)) |
| 345 |
vf(i,j)=-_recip_dyC(i,j,bi,bj)* |
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& (cg2d_x(i,j,bi,bj)-cg2d_x(i,j-1,bi,bj)) |
| 347 |
ENDDO |
| 348 |
ENDDO |
| 349 |
|
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#ifdef ALLOW_OBCS |
| 351 |
IF (useOBCS) THEN |
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DO i=1,sNx+1 |
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C Northern boundary |
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IF (OB_Jn(I,bi,bj).NE.0) THEN |
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vf(I,OB_Jn(I,bi,bj))=0. |
| 356 |
ENDIF |
| 357 |
C Southern boundary |
| 358 |
IF (OB_Js(I,bi,bj).NE.0) THEN |
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vf(I,OB_Js(I,bi,bj)+1)=0. |
| 360 |
ENDIF |
| 361 |
ENDDO |
| 362 |
DO j=1,sNy+1 |
| 363 |
C Eastern boundary |
| 364 |
IF (OB_Ie(J,bi,bj).NE.0) THEN |
| 365 |
uf(OB_Ie(J,bi,bj),J)=0. |
| 366 |
ENDIF |
| 367 |
C Western boundary |
| 368 |
IF (OB_Iw(J,bi,bj).NE.0) THEN |
| 369 |
uf(OB_Iw(J,bi,bj)+1,J)=0. |
| 370 |
ENDIF |
| 371 |
ENDDO |
| 372 |
ENDIF |
| 373 |
#endif /* ALLOW_OBCS */ |
| 374 |
|
| 375 |
IF ( usingZCoords ) THEN |
| 376 |
C- Z coordinate: assume surface @ level k=1 |
| 377 |
tmpFac = freeSurfFac*deepFac2F(1) |
| 378 |
ELSE |
| 379 |
C- Other than Z coordinate: no assumption on surface level index |
| 380 |
tmpFac = 0. |
| 381 |
DO j=1,sNy |
| 382 |
DO i=1,sNx |
| 383 |
ks = ksurfC(i,j,bi,bj) |
| 384 |
IF ( ks.LE.Nr ) THEN |
| 385 |
cg3d_b(i,j,ks,bi,bj) = cg3d_b(i,j,ks,bi,bj) |
| 386 |
& +freeSurfFac*etaN(i,j,bi,bj)/deltaTfreesurf |
| 387 |
& *_rA(i,j,bi,bj)*deepFac2F(ks)/deltaTmom |
| 388 |
ENDIF |
| 389 |
ENDDO |
| 390 |
ENDDO |
| 391 |
ENDIF |
| 392 |
K=1 |
| 393 |
kp1 = MIN(k+1,Nr) |
| 394 |
wFacKp = deepFac2F(kp1)*rhoFacF(kp1) |
| 395 |
IF (k.GE.Nr) wFacKp = 0. |
| 396 |
DO j=1,sNy |
| 397 |
DO i=1,sNx |
| 398 |
cg3d_b(i,j,k,bi,bj) = cg3d_b(i,j,k,bi,bj) |
| 399 |
& +drF(K)*dyG(i+1,j,bi,bj)*_hFacW(i+1,j,k,bi,bj)*uf(i+1,j) |
| 400 |
& -drF(K)*dyG( i ,j,bi,bj)*_hFacW( i ,j,k,bi,bj)*uf( i ,j) |
| 401 |
& +drF(K)*dxG(i,j+1,bi,bj)*_hFacS(i,j+1,k,bi,bj)*vf(i,j+1) |
| 402 |
& -drF(K)*dxG(i, j ,bi,bj)*_hFacS(i, j ,k,bi,bj)*vf(i, j ) |
| 403 |
& +( tmpFac*etaN(i,j,bi,bj)/deltaTfreesurf |
| 404 |
& -wVel(i,j,kp1,bi,bj)*wFacKp |
| 405 |
& )*_rA(i,j,bi,bj)/deltaTmom |
| 406 |
ENDDO |
| 407 |
ENDDO |
| 408 |
DO K=2,Nr |
| 409 |
kp1 = MIN(k+1,Nr) |
| 410 |
C- deepFac & rhoFac cancel with the ones in uf[=del_i(Phi)/dx],vf ; |
| 411 |
C both appear in wVel term, but at 2 different levels |
| 412 |
wFacKm = deepFac2F( k )*rhoFacF( k ) |
| 413 |
wFacKp = deepFac2F(kp1)*rhoFacF(kp1) |
| 414 |
IF (k.GE.Nr) wFacKp = 0. |
| 415 |
DO j=1,sNy |
| 416 |
DO i=1,sNx |
| 417 |
cg3d_b(i,j,k,bi,bj) = cg3d_b(i,j,k,bi,bj) |
| 418 |
& +drF(K)*dyG(i+1,j,bi,bj)*_hFacW(i+1,j,k,bi,bj)*uf(i+1,j) |
| 419 |
& -drF(K)*dyG( i ,j,bi,bj)*_hFacW( i ,j,k,bi,bj)*uf( i ,j) |
| 420 |
& +drF(K)*dxG(i,j+1,bi,bj)*_hFacS(i,j+1,k,bi,bj)*vf(i,j+1) |
| 421 |
& -drF(K)*dxG(i, j ,bi,bj)*_hFacS(i, j ,k,bi,bj)*vf(i, j ) |
| 422 |
& +( wVel(i,j, k ,bi,bj)*wFacKm*maskC(i,j,k-1,bi,bj) |
| 423 |
& -wVel(i,j,kp1,bi,bj)*wFacKp |
| 424 |
& )*_rA(i,j,bi,bj)/deltaTmom |
| 425 |
|
| 426 |
ENDDO |
| 427 |
ENDDO |
| 428 |
ENDDO |
| 429 |
|
| 430 |
#ifdef ALLOW_OBCS |
| 431 |
IF (useOBCS) THEN |
| 432 |
DO K=1,Nr |
| 433 |
DO i=1,sNx |
| 434 |
C Northern boundary |
| 435 |
IF (OB_Jn(I,bi,bj).NE.0) THEN |
| 436 |
cg3d_b(I,OB_Jn(I,bi,bj),K,bi,bj)=0. |
| 437 |
ENDIF |
| 438 |
C Southern boundary |
| 439 |
IF (OB_Js(I,bi,bj).NE.0) THEN |
| 440 |
cg3d_b(I,OB_Js(I,bi,bj),K,bi,bj)=0. |
| 441 |
ENDIF |
| 442 |
ENDDO |
| 443 |
DO j=1,sNy |
| 444 |
C Eastern boundary |
| 445 |
IF (OB_Ie(J,bi,bj).NE.0) THEN |
| 446 |
cg3d_b(OB_Ie(J,bi,bj),J,K,bi,bj)=0. |
| 447 |
ENDIF |
| 448 |
C Western boundary |
| 449 |
IF (OB_Iw(J,bi,bj).NE.0) THEN |
| 450 |
cg3d_b(OB_Iw(J,bi,bj),J,K,bi,bj)=0. |
| 451 |
ENDIF |
| 452 |
ENDDO |
| 453 |
ENDDO |
| 454 |
ENDIF |
| 455 |
#endif /* ALLOW_OBCS */ |
| 456 |
C- end bi,bj loops |
| 457 |
ENDDO |
| 458 |
ENDDO |
| 459 |
|
| 460 |
firstResidual=0. |
| 461 |
lastResidual=0. |
| 462 |
numIters=cg3dMaxIters |
| 463 |
CALL TIMER_START('CG3D [SOLVE_FOR_PRESSURE]',myThid) |
| 464 |
CALL CG3D( |
| 465 |
U cg3d_b, |
| 466 |
U phi_nh, |
| 467 |
O firstResidual, |
| 468 |
O lastResidual, |
| 469 |
U numIters, |
| 470 |
I myThid ) |
| 471 |
_EXCH_XYZ_R8(phi_nh, myThid ) |
| 472 |
CALL TIMER_STOP ('CG3D [SOLVE_FOR_PRESSURE]',myThid) |
| 473 |
|
| 474 |
IF ( DIFFERENT_MULTIPLE(monitorFreq,myTime,deltaTClock) |
| 475 |
& ) THEN |
| 476 |
IF ( debugLevel .GE. debLevA ) THEN |
| 477 |
_BEGIN_MASTER( myThid ) |
| 478 |
WRITE(msgBuf,'(A34,1PE24.14)') 'cg3d_init_res =',firstResidual |
| 479 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 480 |
WRITE(msgBuf,'(A34,I6)') 'cg3d_iters =',numIters |
| 481 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 482 |
WRITE(msgBuf,'(A34,1PE24.14)') 'cg3d_res =',lastResidual |
| 483 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 484 |
_END_MASTER( myThid ) |
| 485 |
ENDIF |
| 486 |
ENDIF |
| 487 |
|
| 488 |
C-- Update surface pressure (account for NH-p @ surface level) and NH pressure: |
| 489 |
IF ( zeroPsNH ) THEN |
| 490 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 491 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 492 |
|
| 493 |
IF ( usingZCoords ) THEN |
| 494 |
C- Z coordinate: assume surface @ level k=1 |
| 495 |
DO k=2,Nr |
| 496 |
DO j=1-OLy,sNy+OLy |
| 497 |
DO i=1-OLx,sNx+OLx |
| 498 |
phi_nh(i,j,k,bi,bj) = phi_nh(i,j,k,bi,bj) |
| 499 |
& - phi_nh(i,j,1,bi,bj) |
| 500 |
ENDDO |
| 501 |
ENDDO |
| 502 |
ENDDO |
| 503 |
DO j=1-OLy,sNy+OLy |
| 504 |
DO i=1-OLx,sNx+OLx |
| 505 |
etaN(i,j,bi,bj) = recip_Bo(i,j,bi,bj) |
| 506 |
& *(cg2d_x(i,j,bi,bj) + phi_nh(i,j,1,bi,bj)) |
| 507 |
phi_nh(i,j,1,bi,bj) = 0. |
| 508 |
ENDDO |
| 509 |
ENDDO |
| 510 |
ELSE |
| 511 |
C- Other than Z coordinate: no assumption on surface level index |
| 512 |
DO j=1-OLy,sNy+OLy |
| 513 |
DO i=1-OLx,sNx+OLx |
| 514 |
ks = ksurfC(i,j,bi,bj) |
| 515 |
IF ( ks.LE.Nr ) THEN |
| 516 |
etaN(i,j,bi,bj) = recip_Bo(i,j,bi,bj) |
| 517 |
& *(cg2d_x(i,j,bi,bj) + phi_nh(i,j,ks,bi,bj)) |
| 518 |
DO k=Nr,1,-1 |
| 519 |
phi_nh(i,j,k,bi,bj) = phi_nh(i,j,k,bi,bj) |
| 520 |
& - phi_nh(i,j,ks,bi,bj) |
| 521 |
ENDDO |
| 522 |
ENDIF |
| 523 |
ENDDO |
| 524 |
ENDDO |
| 525 |
ENDIF |
| 526 |
|
| 527 |
ENDDO |
| 528 |
ENDDO |
| 529 |
ENDIF |
| 530 |
|
| 531 |
ENDIF |
| 532 |
#endif /* ALLOW_NONHYDROSTATIC */ |
| 533 |
|
| 534 |
#ifdef ALLOW_SHOWFLOPS |
| 535 |
CALL SHOWFLOPS_INSOLVE( myThid) |
| 536 |
#endif |
| 537 |
|
| 538 |
RETURN |
| 539 |
END |
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