model/src/timestep_tracer.F

C $Header: $
C $Name: $

#include "CPP_OPTIONS.h"

C     /==========================================================\
C     | S/R TIMESTEP_TRACER                                      |
C     | o Step model tracer field forward in time                |
C     \==========================================================/
      SUBROUTINE TIMESTEP_TRACER(
     I                     bi, bj, iMin, iMax, jMin, jMax, K,
     U                     tracer, gTracer, gTrNm1,
     I                     myIter, myThid )
      implicit none
! Common
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
C     == Routine Arguments ==
      INTEGER bi,bj,iMin,iMax,jMin,jMax,K
      _RL  tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL  gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL  gTrNm1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      INTEGER myIter, myThid
C     == Local variables ==
      INTEGER i,j
      _RL ab15,ab05

C     Adams-Bashforth timestepping weights
Caja  IF (myIter .EQ. 0) THEN
Caja   ab15=1.0
Caja   ab05=0.0
Caja  ELSE
       ab15=1.5+abeps
       ab05=-0.5-abeps
Caja  ENDIF

C     Step forward temperature
      DO j=jMin,jMax
        DO i=iMin,iMax
          gTrNm1(i,j,k,bi,bj)=tracer(i,j,k,bi,bj)
     &             +deltaTtracer*(
     &                              ab15*gTracer(i,j,k,bi,bj)
     &                             +ab05*gTrNm1(i,j,k,bi,bj)  )
        ENDDO
      ENDDO

      RETURN
      END
1	adcroft	1.1	C $Header: $
2			C $Name: $
3
4			#include "CPP_OPTIONS.h"
5
6			C /==========================================================\
7			C \| S/R TIMESTEP_TRACER \|
8			C \| o Step model tracer field forward in time \|
9			C \==========================================================/
10			SUBROUTINE TIMESTEP_TRACER(
11			I bi, bj, iMin, iMax, jMin, jMax, K,
12			U tracer, gTracer, gTrNm1,
13			I myIter, myThid )
14			implicit none
15			! Common
16			#include "SIZE.h"
17			#include "EEPARAMS.h"
18			#include "PARAMS.h"
19			C == Routine Arguments ==
20			INTEGER bi,bj,iMin,iMax,jMin,jMax,K
21			_RL tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
22			_RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
23			_RL gTrNm1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
24			INTEGER myIter, myThid
25			C == Local variables ==
26			INTEGER i,j
27			_RL ab15,ab05
28
29			C Adams-Bashforth timestepping weights
30			Caja IF (myIter .EQ. 0) THEN
31			Caja ab15=1.0
32			Caja ab05=0.0
33			Caja ELSE
34			ab15=1.5+abeps
35			ab05=-0.5-abeps
36			Caja ENDIF
37
38			C Step forward temperature
39			DO j=jMin,jMax
40			DO i=iMin,iMax
41			gTrNm1(i,j,k,bi,bj)=tracer(i,j,k,bi,bj)
42			& +deltaTtracer*(
43			& ab15*gTracer(i,j,k,bi,bj)
44			& +ab05*gTrNm1(i,j,k,bi,bj) )
45			ENDDO
46			ENDDO
47
48			RETURN
49			END