| 1 |
adcroft |
1.17 |
C $Header: /u/gcmpack/models/MITgcmUV/model/src/timestep.F,v 1.16 1998/11/06 22:44:49 cnh Exp $ |
| 2 |
cnh |
1.1 |
|
| 3 |
adcroft |
1.10 |
#include "CPP_OPTIONS.h" |
| 4 |
cnh |
1.1 |
|
| 5 |
|
|
C /==========================================================\ |
| 6 |
|
|
C | S/R TIMESTEP | |
| 7 |
|
|
C | o Step model fields forward in time | |
| 8 |
|
|
C \==========================================================/ |
| 9 |
adcroft |
1.4 |
SUBROUTINE TIMESTEP( bi, bj, iMin, iMax, jMin, jMax, |
| 10 |
adcroft |
1.7 |
I K, |
| 11 |
adcroft |
1.17 |
I myIter, myThid ) |
| 12 |
cnh |
1.1 |
implicit none |
| 13 |
|
|
! Common |
| 14 |
|
|
#include "SIZE.h" |
| 15 |
|
|
#include "DYNVARS.h" |
| 16 |
cnh |
1.11 |
#include "EEPARAMS.h" |
| 17 |
cnh |
1.1 |
#include "PARAMS.h" |
| 18 |
|
|
#include "GRID.h" |
| 19 |
|
|
C == Routine Arguments == |
| 20 |
|
|
INTEGER bi,bj,iMin,iMax,jMin,jMax |
| 21 |
adcroft |
1.4 |
INTEGER K |
| 22 |
adcroft |
1.17 |
INTEGER myIter, myThid |
| 23 |
cnh |
1.1 |
C == Local variables == |
| 24 |
adcroft |
1.4 |
INTEGER i,j |
| 25 |
adcroft |
1.7 |
_RL ab15,ab05 |
| 26 |
cnh |
1.1 |
|
| 27 |
|
|
C Adams-Bashforth timestepping weights |
| 28 |
adcroft |
1.17 |
Caja IF (myIter .EQ. 0) THEN |
| 29 |
|
|
Caja ab15=1.0 |
| 30 |
|
|
Caja ab05=0.0 |
| 31 |
|
|
Caja ELSE |
| 32 |
|
|
ab15=1.5+abeps |
| 33 |
|
|
ab05=-0.5-abeps |
| 34 |
|
|
Caja ENDIF |
| 35 |
cnh |
1.1 |
|
| 36 |
adcroft |
1.7 |
C Step forward zonal velocity (store in Gu) |
| 37 |
cnh |
1.1 |
DO j=jMin,jMax |
| 38 |
|
|
DO i=iMin,iMax |
| 39 |
adcroft |
1.7 |
gUNm1(i,j,k,bi,bj)=uVel(i,j,k,bi,bj) |
| 40 |
cnh |
1.1 |
& +deltaTmom*(ab15*gU(i,j,k,bi,bj)+ab05*gUNm1(i,j,k,bi,bj) |
| 41 |
cnh |
1.16 |
#ifdef INCLUDE_CD_CODE |
| 42 |
cnh |
1.9 |
& +guCD(i,j,k,bi,bj) |
| 43 |
|
|
#endif |
| 44 |
adcroft |
1.7 |
& )*_maskW(i,j,k,bi,bj) |
| 45 |
cnh |
1.1 |
ENDDO |
| 46 |
|
|
ENDDO |
| 47 |
adcroft |
1.12 |
|
| 48 |
adcroft |
1.7 |
C Step forward meridional velocity (store in Gv) |
| 49 |
cnh |
1.1 |
DO j=jMin,jMax |
| 50 |
|
|
DO i=iMin,iMax |
| 51 |
adcroft |
1.7 |
gVNm1(i,j,k,bi,bj)=vVel(i,j,k,bi,bj) |
| 52 |
cnh |
1.1 |
& +deltaTmom*(ab15*gV(i,j,k,bi,bj)+ab05*gVNm1(i,j,k,bi,bj) |
| 53 |
cnh |
1.16 |
#ifdef INCLUDE_CD_CODE |
| 54 |
cnh |
1.9 |
& +gvCD(i,j,k,bi,bj) |
| 55 |
|
|
#endif |
| 56 |
adcroft |
1.7 |
& )*_maskS(i,j,k,bi,bj) |
| 57 |
cnh |
1.1 |
ENDDO |
| 58 |
|
|
ENDDO |
| 59 |
adcroft |
1.12 |
|
| 60 |
cnh |
1.1 |
C Step forward temperature |
| 61 |
adcroft |
1.12 |
IF (tempStepping) THEN |
| 62 |
cnh |
1.1 |
DO j=jMin,jMax |
| 63 |
|
|
DO i=iMin,iMax |
| 64 |
adcroft |
1.13 |
gTNm1(i,j,k,bi,bj)=theta(i,j,k,bi,bj) |
| 65 |
cnh |
1.1 |
& +deltaTtracer*(ab15*gT(i,j,k,bi,bj)+ab05*gTNm1(i,j,k,bi,bj)) |
| 66 |
|
|
ENDDO |
| 67 |
|
|
ENDDO |
| 68 |
adcroft |
1.12 |
ENDIF |
| 69 |
|
|
|
| 70 |
|
|
C Step forward salt |
| 71 |
|
|
IF (saltStepping) THEN |
| 72 |
|
|
DO j=jMin,jMax |
| 73 |
|
|
DO i=iMin,iMax |
| 74 |
adcroft |
1.13 |
gSNm1(i,j,k,bi,bj)=salt(i,j,k,bi,bj) |
| 75 |
cnh |
1.15 |
& +deltaTtracer*(ab15*gS(i,j,k,bi,bj)+ab05*gSNm1(i,j,k,bi,bj)) |
| 76 |
adcroft |
1.12 |
ENDDO |
| 77 |
|
|
ENDDO |
| 78 |
|
|
ENDIF |
| 79 |
cnh |
1.1 |
|
| 80 |
|
|
RETURN |
| 81 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph