| 1 |
jmc |
1.12 |
C $Header: /u/gcmpack/MITgcm/pkg/rbcs/rbcs_fields_load.F,v 1.11 2010/11/10 00:34:21 jahn Exp $ |
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jmc |
1.6 |
C $Name: $ |
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stephd |
1.1 |
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jmc |
1.10 |
#include "RBCS_OPTIONS.h" |
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jmc |
1.6 |
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stephd |
1.1 |
C !ROUTINE: RBCS_FIELDS_LOAD |
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C !INTERFACE: |
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SUBROUTINE RBCS_FIELDS_LOAD( myTime, myIter, myThid ) |
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C *==========================================================* |
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jmc |
1.6 |
C | SUBROUTINE RBCS_FIELDS_LOAD |
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C | o Control reading of fields from external source. |
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stephd |
1.1 |
C *==========================================================* |
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jmc |
1.6 |
C | Offline External source field loading routine. |
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C | This routine is called every time we want to |
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C | load a a set of external fields. The routine decides |
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C | which fields to load and then reads them in. |
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C | This routine needs to be customised for particular |
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C | experiments. |
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stephd |
1.1 |
C *==========================================================* |
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C !USES: |
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IMPLICIT NONE |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
| 26 |
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#include "PARAMS.h" |
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#include "FFIELDS.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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#ifdef ALLOW_PTRACERS |
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#include "PTRACERS_SIZE.h" |
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jmc |
1.7 |
#include "PTRACERS_PARAMS.h" |
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stephd |
1.1 |
#endif |
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#include "RBCS.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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jmc |
1.7 |
C myTime :: Simulation time |
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C myIter :: Simulation timestep number |
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C myThid :: Thread no. that called this routine. |
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stephd |
1.1 |
_RL myTime |
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INTEGER myIter |
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jmc |
1.7 |
INTEGER myThid |
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stephd |
1.1 |
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jmc |
1.10 |
C !FUNCTIONS: |
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INTEGER IFNBLNK, ILNBLNK |
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EXTERNAL IFNBLNK, ILNBLNK |
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stephd |
1.1 |
C !LOCAL VARIABLES: |
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C === Local arrays === |
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C [01] :: End points for interpolation |
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C Above use static heap storage to allow exchange. |
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C aWght, bWght :: Interpolation weights |
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INTEGER bi,bj,i,j,k,intime0,intime1 |
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jahn |
1.11 |
_RL aWght,bWght,rhalfdt |
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INTEGER nForcingPeriods,Imytm,Ifprd,Ifcyc,Iftm,Ifmod |
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jmc |
1.10 |
#ifdef ALLOW_PTRACERS |
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stephd |
1.1 |
INTEGER iTracer |
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jmc |
1.10 |
#endif |
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jahn |
1.11 |
INTEGER IL, initer0, initer1 |
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CHARACTER*(MAX_LEN_FNAM) fullName |
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INTEGER F90MODULO,arg1,arg2 |
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C statement function to emulate Fortran 90 MODULO |
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C this modulo has the same sign as arg2 (and absolute value < |arg2|) |
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F90MODULO(arg1,arg2) = MOD(MOD(arg1,arg2)+arg2,arg2) |
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stephd |
1.1 |
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#ifdef ALLOW_RBCS |
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CALL TIMER_START('RBCS_FIELDS_LOAD [I/O]', myThid) |
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C First call requires that we initialize everything to zero for safety |
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IF ( myIter .EQ. nIter0 ) THEN |
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DO bj = myByLo(myThid), myByHi(myThid) |
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jmc |
1.10 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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rbct0(i,j,k,bi,bj)=0. _d 0 |
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rbcs0(i,j,k,bi,bj)=0. _d 0 |
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rbct1(i,j,k,bi,bj)=0. _d 0 |
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rbcs1(i,j,k,bi,bj)=0. _d 0 |
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ENDDO |
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stephd |
1.1 |
ENDDO |
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ENDDO |
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jmc |
1.7 |
ENDDO |
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stephd |
1.1 |
ENDDO |
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#ifdef ALLOW_PTRACERS |
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DO iTracer = 1, PTRACERS_numInUse |
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DO bj = myByLo(myThid), myByHi(myThid) |
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jmc |
1.10 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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rbcptr0(i,j,k,bi,bj,iTracer)=0. _d 0 |
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rbcptr1(i,j,k,bi,bj,iTracer)=0. _d 0 |
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ENDDO |
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stephd |
1.1 |
ENDDO |
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ENDDO |
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jmc |
1.7 |
ENDDO |
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stephd |
1.1 |
ENDDO |
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ENDDO |
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#endif |
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ENDIF |
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C Now calculate whether it is time to update the forcing arrays |
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jahn |
1.11 |
IF (rbcsForcingPeriod.GT.0. _d 0) THEN |
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C this converts times to even integers |
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rhalfdt = 2. _d 0 / deltaTclock |
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jmc |
1.8 |
nForcingPeriods = NINT(rbcsForcingCycle/rbcsForcingPeriod) |
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jahn |
1.11 |
Imytm = NINT( (myTime-rbcsForcingOffset)*rhalfdt ) |
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Ifprd = NINT(rbcsForcingPeriod*rhalfdt) |
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Ifcyc = NINT(rbcsForcingCycle*rhalfdt) |
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Iftm = Imytm-Ifprd/2 |
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Ifmod = F90MODULO(Iftm,Ifprd) |
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intime0 = (Iftm-Ifmod)/Ifprd |
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intime1 = intime0 + 1 |
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IF (rbcsForcingCycle.GT.0. _d 0) THEN |
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intime0 = F90MODULO(intime0,nForcingPeriods) |
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intime1 = F90MODULO(intime1,nForcingPeriods) |
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ENDIF |
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intime0 = 1 + intime0 |
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intime1 = 1 + intime1 |
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jmc |
1.8 |
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c aWght = DFLOAT( Iftm-Ifprd*(intime0 - 1) ) / DFLOAT( Ifprd ) |
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jahn |
1.11 |
aWght = FLOAT( Ifmod ) |
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jmc |
1.8 |
bWght = FLOAT( Ifprd ) |
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aWght = aWght / bWght |
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bWght = 1. _d 0 - aWght |
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jmc |
1.6 |
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jmc |
1.7 |
ELSE |
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jmc |
1.8 |
intime1 = 1 |
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intime0 = 1 |
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jahn |
1.11 |
Ifmod = 1 |
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jmc |
1.8 |
aWght = .5 _d 0 |
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bWght = .5 _d 0 |
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jmc |
1.7 |
ENDIF |
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stephd |
1.1 |
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jahn |
1.11 |
C for rbcsSingleTimeFiles=.TRUE. |
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Ifprd = NINT(rbcsForcingPeriod/deltaTrbcs) |
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initer0 = rbcsIter0 + intime0*Ifprd |
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initer1 = rbcsIter0 + intime1*Ifprd |
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stephd |
1.1 |
IF ( |
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jahn |
1.11 |
& Ifmod .EQ. 0 |
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stephd |
1.1 |
& .OR. myIter .EQ. nIter0 |
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& ) THEN |
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C If the above condition is met then we need to read in |
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C data for the period ahead and the period behind myTime. |
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jmc |
1.7 |
_BEGIN_MASTER(myThid) |
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jmc |
1.10 |
WRITE(standardMessageUnit,'(A,2I5,I10,1P1E20.12)') |
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& 'S/R RBCS_FIELDS_LOAD: Reading new data:', |
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& intime0, intime1, myIter, myTime |
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jmc |
1.7 |
_END_MASTER(myThid) |
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stephd |
1.1 |
|
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jmc |
1.10 |
IF ( useRBCtemp .AND. relaxTFile .NE. ' ' ) THEN |
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jahn |
1.11 |
IF ( rbcsSingleTimeFiles ) THEN |
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IL=ILNBLNK( relaxTFile ) |
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WRITE(fullName,'(2a,i10.10)') relaxTFile(1:IL),'.',initer0 |
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CALL READ_REC_XYZ_RS(fullName, rbct0, 1, myIter, myThid) |
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WRITE(fullName,'(2a,i10.10)') relaxTFile(1:IL),'.',initer1 |
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CALL READ_REC_XYZ_RS(fullName, rbct1, 1, myIter, myThid) |
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ELSE |
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CALL READ_REC_XYZ_RS(relaxTFile,rbct0,intime0,myIter,myThid) |
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CALL READ_REC_XYZ_RS(relaxTFile,rbct1,intime1,myIter,myThid) |
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ENDIF |
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stephd |
1.1 |
ENDIF |
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jmc |
1.10 |
IF ( useRBCsalt .AND. relaxSFile .NE. ' ' ) THEN |
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jahn |
1.11 |
IF ( rbcsSingleTimeFiles ) THEN |
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IL=ILNBLNK( relaxSFile ) |
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WRITE(fullName,'(2a,i10.10)') relaxSFile(1:IL),'.',initer0 |
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CALL READ_REC_XYZ_RS(fullName, rbcs0, 1, myIter, myThid) |
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WRITE(fullName,'(2a,i10.10)') relaxSFile(1:IL),'.',initer1 |
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CALL READ_REC_XYZ_RS(fullName, rbcs1, 1, myIter, myThid) |
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ELSE |
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CALL READ_REC_XYZ_RS(relaxSFile,rbcs0,intime0,myIter,myThid) |
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CALL READ_REC_XYZ_RS(relaxSFile,rbcs1,intime1,myIter,myThid) |
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ENDIF |
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stephd |
1.1 |
ENDIF |
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#ifdef ALLOW_PTRACERS |
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jmc |
1.10 |
IF ( usePTRACERS ) THEN |
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jmc |
1.7 |
DO iTracer = 1, PTRACERS_numInUse |
| 186 |
jmc |
1.10 |
IF ( useRBCptrnum(iTracer) .AND. |
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& relaxPtracerFile(iTracer).NE. ' ' ) THEN |
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jahn |
1.11 |
IF ( rbcsSingleTimeFiles ) THEN |
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IL=ILNBLNK( relaxPtracerFile(iTracer) ) |
| 190 |
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WRITE(fullName,'(2a,i10.10)') relaxPtracerFile(iTracer)(1:IL) |
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& ,'.',initer0 |
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CALL READ_REC_XYZ_RS( fullName, |
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& rbcptr0(1-Olx,1-Oly,1,1,1,iTracer), |
| 194 |
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& 1, myIter, myThid ) |
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WRITE(fullName,'(2a,i10.10)') relaxPtracerFile(iTracer)(1:IL) |
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& ,'.',initer1 |
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CALL READ_REC_XYZ_RS( fullName, |
| 198 |
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& rbcptr1(1-Olx,1-Oly,1,1,1,iTracer), |
| 199 |
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& 1, myIter, myThid ) |
| 200 |
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ELSE |
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jmc |
1.7 |
CALL READ_REC_XYZ_RS( relaxPtracerFile(iTracer), |
| 202 |
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& rbcptr0(1-Olx,1-Oly,1,1,1,iTracer), |
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& intime0, myIter, myThid ) |
| 204 |
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CALL READ_REC_XYZ_RS( relaxPtracerFile(iTracer), |
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& rbcptr1(1-Olx,1-Oly,1,1,1,iTracer), |
| 206 |
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& intime1, myIter, myThid ) |
| 207 |
jahn |
1.11 |
ENDIF |
| 208 |
jmc |
1.7 |
ENDIF |
| 209 |
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ENDDO |
| 210 |
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ENDIF |
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stephd |
1.1 |
#endif |
| 212 |
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jmc |
1.10 |
IF ( useRBCtemp .AND. relaxTFile .NE. ' ' ) THEN |
| 214 |
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CALL EXCH_XYZ_RS( rbct0 , myThid ) |
| 215 |
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CALL EXCH_XYZ_RS( rbct1 , myThid ) |
| 216 |
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ENDIF |
| 217 |
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IF ( useRBCsalt .AND. relaxSFile .NE. ' ' ) THEN |
| 218 |
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CALL EXCH_XYZ_RS( rbcs0 , myThid ) |
| 219 |
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CALL EXCH_XYZ_RS( rbcs1 , myThid ) |
| 220 |
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ENDIF |
| 221 |
stephd |
1.1 |
#ifdef ALLOW_PTRACERS |
| 222 |
jmc |
1.10 |
IF (usePTRACERS) THEN |
| 223 |
jmc |
1.7 |
DO iTracer = 1, PTRACERS_numInUse |
| 224 |
jmc |
1.10 |
IF ( useRBCptrnum(iTracer) ) THEN |
| 225 |
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CALL EXCH_XYZ_RS( rbcptr0(1-Olx,1-Oly,1,1,1,iTracer),myThid ) |
| 226 |
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CALL EXCH_XYZ_RS( rbcptr1(1-Olx,1-Oly,1,1,1,iTracer),myThid ) |
| 227 |
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ENDIF |
| 228 |
jmc |
1.7 |
ENDDO |
| 229 |
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ENDIF |
| 230 |
jmc |
1.10 |
#endif /* ALLOW_PTRACERS */ |
| 231 |
jmc |
1.6 |
|
| 232 |
stephd |
1.1 |
ENDIF |
| 233 |
jmc |
1.6 |
|
| 234 |
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C-- Interpolate |
| 235 |
stephd |
1.1 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 236 |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
| 237 |
jmc |
1.7 |
DO k=1,Nr |
| 238 |
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DO j=1-Oly,sNy+Oly |
| 239 |
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DO i=1-Olx,sNx+Olx |
| 240 |
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RBCtemp(i,j,k,bi,bj) = bWght*rbct0(i,j,k,bi,bj) |
| 241 |
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& +aWght*rbct1(i,j,k,bi,bj) |
| 242 |
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RBCsalt(i,j,k,bi,bj) = bWght*rbcs0(i,j,k,bi,bj) |
| 243 |
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& +aWght*rbcs1(i,j,k,bi,bj) |
| 244 |
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ENDDO |
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stephd |
1.1 |
ENDDO |
| 246 |
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ENDDO |
| 247 |
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ENDDO |
| 248 |
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ENDDO |
| 249 |
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| 250 |
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#ifdef ALLOW_PTRACERS |
| 251 |
jmc |
1.10 |
IF ( usePTRACERS ) THEN |
| 252 |
jmc |
1.7 |
DO iTracer = 1, PTRACERS_numInUse |
| 253 |
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IF (useRBCptrnum(iTracer)) THEN |
| 254 |
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DO bj = myByLo(myThid), myByHi(myThid) |
| 255 |
stephd |
1.1 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 256 |
jmc |
1.7 |
DO k=1,Nr |
| 257 |
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DO j=1-Oly,sNy+Oly |
| 258 |
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DO i=1-Olx,sNx+Olx |
| 259 |
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RBC_ptracers(i,j,k,bi,bj,iTracer) = |
| 260 |
stephd |
1.5 |
& bWght*rbcptr0(i,j,k,bi,bj,iTracer) |
| 261 |
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& +aWght*rbcptr1(i,j,k,bi,bj,iTracer) |
| 262 |
jmc |
1.7 |
ENDDO |
| 263 |
stephd |
1.1 |
ENDDO |
| 264 |
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ENDDO |
| 265 |
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ENDDO |
| 266 |
jmc |
1.7 |
ENDDO |
| 267 |
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ENDIF |
| 268 |
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ENDDO |
| 269 |
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ENDIF |
| 270 |
jmc |
1.10 |
#endif /* ALLOW_PTRACERS */ |
| 271 |
stephd |
1.1 |
|
| 272 |
jmc |
1.7 |
CALL TIMER_STOP ('RBCS_FIELDS_LOAD [I/O]', myThid) |
| 273 |
stephd |
1.1 |
|
| 274 |
jmc |
1.7 |
#endif /* ALLOW_RBCS */ |
| 275 |
stephd |
1.1 |
|
| 276 |
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RETURN |
| 277 |
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END |
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