| 1 |
C $Header: $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: INTEGR_CONTINUITY |
| 8 |
C !INTERFACE: |
| 9 |
SUBROUTINE INTEGR_CONTINUITY( |
| 10 |
I bi, bj, uFld, vFld, |
| 11 |
I myTime, myIter, myThid ) |
| 12 |
C !DESCRIPTION: \bv |
| 13 |
C *==========================================================* |
| 14 |
C | SUBROUTINE INTEGR_CONTINUITY |
| 15 |
C | o Integrate the continuity Eq : compute vertical velocity |
| 16 |
C | and free surface "r-anomaly" (etaN) to satisfy |
| 17 |
C | exactly the convervation of the Total Volume |
| 18 |
C *==========================================================* |
| 19 |
C \ev |
| 20 |
|
| 21 |
C !USES: |
| 22 |
IMPLICIT NONE |
| 23 |
C == Global variables |
| 24 |
#include "SIZE.h" |
| 25 |
#include "EEPARAMS.h" |
| 26 |
#include "PARAMS.h" |
| 27 |
#include "DYNVARS.h" |
| 28 |
#include "GRID.h" |
| 29 |
#include "SURFACE.h" |
| 30 |
#include "FFIELDS.h" |
| 31 |
|
| 32 |
C !INPUT/OUTPUT PARAMETERS: |
| 33 |
C == Routine arguments == |
| 34 |
C uFld :: Zonal velocity ( m/s ) |
| 35 |
C vFld :: Meridional velocity ( m/s ) |
| 36 |
C bi,bj :: tile index |
| 37 |
C myTime :: Current time in simulation |
| 38 |
C myIter :: Current iteration number in simulation |
| 39 |
C myThid :: Thread number for this instance of the routine. |
| 40 |
_RL myTime |
| 41 |
INTEGER myIter |
| 42 |
INTEGER myThid |
| 43 |
INTEGER bi,bj |
| 44 |
LOGICAL UpdateEtaN_EtaH |
| 45 |
_RL uFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
| 46 |
_RL vFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
| 47 |
|
| 48 |
C !LOCAL VARIABLES: |
| 49 |
C Local variables in common block |
| 50 |
|
| 51 |
C Local variables |
| 52 |
C i,j,k :: Loop counters |
| 53 |
C uTrans :: Volume transports ( uVel.xA ) |
| 54 |
C vTrans :: Volume transports ( vVel.yA ) |
| 55 |
INTEGER i,j,k |
| 56 |
_RL uTrans(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 57 |
_RL vTrans(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 58 |
CEOP |
| 59 |
|
| 60 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 61 |
|
| 62 |
#ifdef EXACT_CONSERV |
| 63 |
IF (exactConserv) THEN |
| 64 |
|
| 65 |
C-- Compute the Divergence of The Barotropic Flow : |
| 66 |
|
| 67 |
C- Initialise |
| 68 |
DO j=1-Oly,sNy+Oly |
| 69 |
DO i=1-Olx,sNx+Olx |
| 70 |
hDivFlow(i,j,bi,bj) = 0. _d 0 |
| 71 |
utrans(i,j) = 0. _d 0 |
| 72 |
vtrans(i,j) = 0. _d 0 |
| 73 |
ENDDO |
| 74 |
ENDDO |
| 75 |
|
| 76 |
DO k=1,Nr |
| 77 |
|
| 78 |
C- Calculate velocity field "volume transports" through tracer cell faces |
| 79 |
DO j=1,sNy+1 |
| 80 |
DO i=1,sNx+1 |
| 81 |
uTrans(i,j) = uFld(i,j,k,bi,bj)*_dyG(i,j,bi,bj) |
| 82 |
& *drF(k)*_hFacW(i,j,k,bi,bj) |
| 83 |
vTrans(i,j) = vFld(i,j,k,bi,bj)*_dxG(i,j,bi,bj) |
| 84 |
& *drF(k)*_hFacS(i,j,k,bi,bj) |
| 85 |
ENDDO |
| 86 |
ENDDO |
| 87 |
|
| 88 |
C- Integrate vertically the Horizontal Divergence |
| 89 |
DO j=1,sNy |
| 90 |
DO i=1,sNx |
| 91 |
hDivFlow(i,j,bi,bj) = hDivFlow(i,j,bi,bj) |
| 92 |
& +maskC(i,j,k,bi,bj)*( uTrans(i+1,j)-uTrans(i,j) |
| 93 |
& +vTrans(i,j+1)-vTrans(i,j) ) |
| 94 |
ENDDO |
| 95 |
ENDDO |
| 96 |
|
| 97 |
C- End DO k=1,Nr |
| 98 |
ENDDO |
| 99 |
|
| 100 |
ENDIF |
| 101 |
|
| 102 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 103 |
|
| 104 |
IF (exactConserv .AND. myTime.NE.startTime) THEN |
| 105 |
C-- Update etaN at the end of the time step : |
| 106 |
C Incorporate the Implicit part of -Divergence(Barotropic_Flow) |
| 107 |
|
| 108 |
IF (implicDiv2Dflow.EQ. 0. _d 0) THEN |
| 109 |
DO j=1-Oly,sNy+Oly |
| 110 |
DO i=1-Olx,sNx+Olx |
| 111 |
etaN(i,j,bi,bj) = etaH(i,j,bi,bj) |
| 112 |
ENDDO |
| 113 |
ENDDO |
| 114 |
ELSEIF (useRealFreshWaterFlux) THEN |
| 115 |
DO j=1,sNy |
| 116 |
DO i=1,sNx |
| 117 |
etaN(i,j,bi,bj) = etaH(i,j,bi,bj) |
| 118 |
& - implicDiv2Dflow*( convertEmP2rUnit*EmPmR(i,j,bi,bj) |
| 119 |
& +hDivFlow(i,j,bi,bj)*recip_rA(i,j,bi,bj) |
| 120 |
& )*deltaTfreesurf |
| 121 |
ENDDO |
| 122 |
ENDDO |
| 123 |
ELSE |
| 124 |
DO j=1,sNy |
| 125 |
DO i=1,sNx |
| 126 |
etaN(i,j,bi,bj) = etaH(i,j,bi,bj) |
| 127 |
& - implicDiv2Dflow*hDivFlow(i,j,bi,bj) |
| 128 |
& *recip_rA(i,j,bi,bj)*deltaTfreesurf |
| 129 |
ENDDO |
| 130 |
ENDDO |
| 131 |
ENDIF |
| 132 |
|
| 133 |
ENDIF |
| 134 |
#endif /* EXACT_CONSERV */ |
| 135 |
|
| 136 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 137 |
|
| 138 |
DO k=Nr,1,-1 |
| 139 |
C-- Integrate continuity vertically for vertical velocity |
| 140 |
|
| 141 |
CALL INTEGRATE_FOR_W( |
| 142 |
I bi, bj, k, uFld, vFld, |
| 143 |
O wVel, |
| 144 |
I myThid ) |
| 145 |
|
| 146 |
#ifdef ALLOW_OBCS |
| 147 |
#ifdef ALLOW_NONHYDROSTATIC |
| 148 |
C-- Apply OBC to W if in N-H mode |
| 149 |
IF (useOBCS.AND.nonHydrostatic) THEN |
| 150 |
CALL OBCS_APPLY_W( bi, bj, k, wVel, myThid ) |
| 151 |
ENDIF |
| 152 |
#endif /* ALLOW_NONHYDROSTATIC */ |
| 153 |
#endif /* ALLOW_OBCS */ |
| 154 |
|
| 155 |
C- End DO k=Nr,1,-1 |
| 156 |
ENDDO |
| 157 |
|
| 158 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 159 |
|
| 160 |
RETURN |
| 161 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph