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	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