pkg/generic_advdiff/gad_u3_adv_r.F

C $Header:  $
C $Name:  $

#include "GAD_OPTIONS.h"

      SUBROUTINE GAD_U3_ADV_R( 
     I           bi,bj,k,
     I           rTrans,
     I           tracer,
     O           wT,
     I           myThid )
C     /==========================================================\
C     | SUBROUTINE GAD_U3_ADV_R                                  |
C     | o Compute vertical advective Flux of Tracer using        |
C     |   3rd Order Upwind Scheme                                |
C     |==========================================================|
      IMPLICIT NONE

C     == GLobal variables ==
#include "SIZE.h"
#include "GRID.h"
#include "GAD.h"

C     == Routine arguments ==
      INTEGER bi,bj,k
      _RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL wT    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      INTEGER myThid

C     == Local variables ==
      INTEGER i,j,kp1,km1,km2
      _RL Cr,Rjm,Rj,Rjp,Rjjm,Rjjp
#include "GAD_FLUX_LIMITER.h"

      km2=MAX(1,k-2)
      km1=MAX(1,k-1)
      kp1=MIN(Nr,k+1)

      IF ( k.EQ.1 .OR. k.GT.Nr ) THEN
       DO j=1-Oly,sNy+Oly
        DO i=1-Olx,sNx+Olx
         wT(i,j) = 0.
        ENDDO
       ENDDO
      ELSE
       DO j=1-Oly,sNy+Oly
        DO i=1-Olx,sNx+Olx
         Rjp=(tracer(i,j,kp1,bi,bj)-tracer(i,j,k,bi,bj))
     &        *maskC(i,j,kp1,bi,bj)
         Rj=(tracer(i,j,k,bi,bj)-tracer(i,j,km1,bi,bj))
         Rjm=(tracer(i,j,km1,bi,bj)-tracer(i,j,km2,bi,bj))
     &        *maskC(i,j,km2,bi,bj)
         Rjjp=Rjp-Rj
         Rjjm=Rj-Rjm
         wT(i,j) = maskC(i,j,km1,bi,bj)*(
     &     rTrans(i,j)*(
     &        (Tracer(i,j,k,bi,bj)+Tracer(i,j,km1,bi,bj))*0.5 _d 0
     &        -oneSixth*(Rjjm+Rjjp)*0.5 _d 0  )
     &    +ABS(rTrans(i,j))*
     &         oneSixth*(Rjjm-Rjjp)*0.5 _d 0
     &                                  )
        ENDDO
       ENDDO
      ENDIF

      RETURN
      END
1	jmc	1.1	C $Header: $
2			C $Name: $
3
4			#include "GAD_OPTIONS.h"
5
6			SUBROUTINE GAD_U3_ADV_R(
7			I bi,bj,k,
8			I rTrans,
9			I tracer,
10			O wT,
11			I myThid )
12			C /==========================================================\
13			C \| SUBROUTINE GAD_U3_ADV_R \|
14			C \| o Compute vertical advective Flux of Tracer using \|
15			C \| 3rd Order Upwind Scheme \|
16			C \|==========================================================\|
17			IMPLICIT NONE
18
19			C == GLobal variables ==
20			#include "SIZE.h"
21			#include "GRID.h"
22			#include "GAD.h"
23
24			C == Routine arguments ==
25			INTEGER bi,bj,k
26			_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
27			_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
28			_RL wT (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
29			INTEGER myThid
30
31			C == Local variables ==
32			INTEGER i,j,kp1,km1,km2
33			_RL Cr,Rjm,Rj,Rjp,Rjjm,Rjjp
34			#include "GAD_FLUX_LIMITER.h"
35
36			km2=MAX(1,k-2)
37			km1=MAX(1,k-1)
38			kp1=MIN(Nr,k+1)
39
40			IF ( k.EQ.1 .OR. k.GT.Nr ) THEN
41			DO j=1-Oly,sNy+Oly
42			DO i=1-Olx,sNx+Olx
43			wT(i,j) = 0.
44			ENDDO
45			ENDDO
46			ELSE
47			DO j=1-Oly,sNy+Oly
48			DO i=1-Olx,sNx+Olx
49			Rjp=(tracer(i,j,kp1,bi,bj)-tracer(i,j,k,bi,bj))
50			& *maskC(i,j,kp1,bi,bj)
51			Rj=(tracer(i,j,k,bi,bj)-tracer(i,j,km1,bi,bj))
52			Rjm=(tracer(i,j,km1,bi,bj)-tracer(i,j,km2,bi,bj))
53			& *maskC(i,j,km2,bi,bj)
54			Rjjp=Rjp-Rj
55			Rjjm=Rj-Rjm
56			wT(i,j) = maskC(i,j,km1,bi,bj)*(
57			& rTrans(i,j)*(
58			& (Tracer(i,j,k,bi,bj)+Tracer(i,j,km1,bi,bj))*0.5 _d 0
59			& -oneSixth(Rjjm+Rjjp)0.5 _d 0 )
60			& +ABS(rTrans(i,j))*
61			& oneSixth(Rjjm-Rjjp)0.5 _d 0
62			& )
63			ENDDO
64			ENDDO
65			ENDIF
66
67			RETURN
68			END