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cnh |
1.3 |
C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_parms.F,v 1.2 1998/04/24 02:05:41 cnh Exp $ |
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cnh |
1.1 |
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#include "CPP_EEOPTIONS.h" |
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SUBROUTINE INI_PARMS( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE INI_PARMS | |
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C | o Routine to set model "parameters" | |
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C |==========================================================| |
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C | Notes: | |
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C | ====== | |
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C | The present version of this routine is a place-holder. | |
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C | A production version needs to handle parameters from an | |
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C | external file and possibly reading in some initial field | |
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C | values. | |
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C \==========================================================/ |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "CG2D.h" |
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C === Routine arguments === |
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C myThid - Number of this instance of INI_PARMS |
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INTEGER myThid |
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C === Local variables === |
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C dxSpacing, dySpacing - Default spacing in X and Y. |
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C Units are that of coordinate system |
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C i.e. cartesian => metres |
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C s. polar => degrees |
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C goptCount - Used to count the nuber of grid options |
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C (only one is allowed! ) |
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C msgBuf - Informational/error meesage buffer |
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C errIO - IO error flag |
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C iUnit - Work variable for IO unit number |
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C record - Work variable for IO buffer |
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C K, I, J - Loop counters |
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REAL dxSpacing |
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REAL dySpacing |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CHARACTER*(MAX_LEN_PREC) record |
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INTEGER goptCount |
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INTEGER K, I, J, IL, iUnit |
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INTEGER errIO |
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INTEGER IFNBLNK |
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EXTERNAL IFNBLNK |
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INTEGER ILNBLNK |
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EXTERNAL ILNBLNK |
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C-- Continuous equation parameters |
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NAMELIST /PARM01/ |
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& gravity, rhonil, tAlpha, sBeta, f0, beta, |
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& viscAh, viscAz, viscA4, |
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& diffKhT, diffKzT, diffK4T, |
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& diffKhS, diffKzS, diffK4S, |
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& tRef, sRef, |
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& momViscosity, momAdvection, momForcing, useCoriolis, |
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& tempDiffusion, tempAdvection, tempForcing, |
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& saltDiffusion, saltAdvection, saltForcing |
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C-- Elliptic solver parameters |
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NAMELIST /PARM02/ |
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& cg2dMaxIters, cg2dChkResFreq, cg2dTargetResidual |
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C-- Time stepping parammeters |
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NAMELIST /PARM03/ |
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& nIter0, nTimeSteps, deltaTmom, deltaTtracer, abEps, tauCD, rCD, |
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& startTime, endTime, chkPtFreq, dumpFreq |
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C-- Gridding parameters |
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NAMELIST /PARM04/ |
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& usingCartesianGrid, delZ, dxSpacing, dySpacing, delX, delY, |
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& usingSphericalPolarGrid, phiMin, thetaMin, rSphere, |
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& l, m, n |
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C |
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_BEGIN_MASTER(myThid) |
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C-- Open the parameter file |
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OPEN(UNIT=scrUnit1,STATUS='SCRATCH') |
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OPEN(UNIT=scrUnit2,STATUS='SCRATCH') |
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OPEN(UNIT=modelDataUnit,FILE='data',STATUS='OLD',err=1,IOSTAT=errIO) |
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IF ( errIO .GE. 0 ) GOTO 2 |
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1 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Unable to open model parameter' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'file "data"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL MODELDATA_EXAMPLE( myThid ) |
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STOP 'ABNORMAL END: S/R INI_PARMS' |
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2 CONTINUE |
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1000 CONTINUE |
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READ(modelDataUnit,FMT='(A)',END=1001) RECORD |
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IL = MAX(ILNBLNK(RECORD),1) |
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IF ( RECORD(1:1) .NE. commentCharacter ) |
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& WRITE(UNIT=scrUnit1,FMT='(A)') RECORD(:IL) |
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WRITE(UNIT=scrUnit2,FMT='(A)') RECORD(:IL) |
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GOTO 1000 |
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1001 CONTINUE |
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CLOSE(modelDataUnit) |
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C-- Report contents of model parameter file |
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WRITE(msgBuf,'(A)') |
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&'// =======================================================' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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WRITE(msgBuf,'(A)') '// Model parameter file "data"' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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WRITE(msgBuf,'(A)') |
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&'// =======================================================' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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iUnit = scrUnit2 |
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REWIND(iUnit) |
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2000 CONTINUE |
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READ(UNIT=iUnit,FMT='(A)',END=2001) RECORD |
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IL = MAX(ILNBLNK(RECORD),1) |
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WRITE(msgBuf,'(A,A)') '>',RECORD(:IL) |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, SQUEEZE_RIGHT , 1) |
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GOTO 2000 |
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2001 CONTINUE |
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CLOSE(iUnit) |
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WRITE(msgBuf,'(A)') ' ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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C-- Read settings from model parameter file "data". |
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iUnit = scrUnit1 |
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REWIND(iUnit) |
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C-- Set default "physical" parameters |
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DO K =1,Nz |
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tRef(K) = 30.D0 - FLOAT(K) |
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ENDDO |
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gravity = 9.81 D0 |
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rhoNil = 999.8 D0 |
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tAlpha=2.d-4 |
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sBeta=1.d-5 |
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f0=1.D-4 |
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beta = 1. _d -11 |
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viscAh=1.d3 |
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viscA4=0. |
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viscAz=1.d-3 |
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diffKhT=1.0d3 |
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diffKzT=1.d-5 |
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diffKhS=1.0d3 |
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diffKzS=1.d-1 |
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diffK4T=0. |
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diffK4S=0. |
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READ(UNIT=iUnit,NML=PARM01,IOSTAT=errIO,err=3) |
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IF ( errIO .GE. 0 ) GOTO 4 |
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3 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading numerical model ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "data"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Problem in namelist PARM01' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL MODELDATA_EXAMPLE( myThid ) |
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STOP 'ABNORMAL END: S/R INI_PARMS' |
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4 CONTINUE |
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C-- Elliptic solver parameters |
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cg2dMaxIters = 150 |
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cg2dTargetResidual = 1. _d -7 |
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cg2dChkResFreq = 1 |
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READ(UNIT=iUnit,NML=PARM02,IOSTAT=errIO,err=5) |
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IF ( errIO .GE. 0 ) GOTO 6 |
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5 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading numerical model ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "data".' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Problem in namelist PARM02' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL MODELDATA_EXAMPLE( myThid ) |
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STOP 'ABNORMAL END: S/R INI_PARMS' |
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6 CONTINUE |
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C-- Time stepping parameters |
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startTime = 0. |
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nTimeSteps = 1 |
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endTime = 3600.*300 |
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nIter0 = 0 |
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deltaTtracer = 1200. _d 0 |
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deltaTMom = 1200. _d 0 |
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abEps = 0.01 |
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chkPtFreq = 3600.*25 |
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dumpFreq = 3600.*100 |
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READ(UNIT=iUnit,NML=PARM03,IOSTAT=errIO,err=7) |
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IF ( errIO .GE. 0 ) GOTO 8 |
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7 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading numerical model ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "data"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Problem in namelist PARM03' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL MODELDATA_EXAMPLE( myThid ) |
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STOP 'ABNORMAL END: S/R INI_PARMS' |
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8 CONTINUE |
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C-- Grid parameters |
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C In cartesian coords distances are in metres |
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usingCartesianGrid = .TRUE. |
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DO K =1,Nz |
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delZ(K) = 100. _d 0 |
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ENDDO |
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dxSpacing = 20. _d 0 * 1000. _d 0 |
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dySpacing = 20. _d 0 * 1000. _d 0 |
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DO i=1,Nx |
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delX(i) = dxSpacing |
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ENDDO |
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DO j=1,Ny |
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delY(j) = dySpacing |
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ENDDO |
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C In spherical polar distances are in degrees |
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usingSphericalPolarGrid = .FALSE. |
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IF ( usingSphericalPolarGrid ) THEN |
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phiMin = -5.0 |
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thetaMin = 0. |
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dxSpacing = 1. |
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dySpacing = 1. |
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rSphere = 6370. * 1. _d 3 |
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DO I=1,Nx |
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delX(I) = dxSpacing |
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ENDDO |
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DO J=1,Ny |
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delY(J) = dySpacing |
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ENDDO |
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ENDIF |
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READ(UNIT=iUnit,NML=PARM04,IOSTAT=errIO,err=9) |
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IF ( errIO .GE. 0 ) GOTO 10 |
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9 CONTINUE |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Error reading numerical model ' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'parameter file "data"' |
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CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
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& 'Problem in namelist PARM04' |
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CALL PRINT_ERROR( msgBuf , 1) |
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CALL MODELDATA_EXAMPLE( myThid ) |
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STOP 'ABNORMAL END: S/R INI_PARMS' |
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10 CONTINUE |
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goptCount = 0 |
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IF ( usingCartesianGrid ) goptCount = goptCount+1 |
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IF ( usingSphericalPolarGrid ) goptCount = goptCount+1 |
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IF ( goptCount .NE. 1 ) THEN |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS: More than one coordinate system requested' |
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CALL PRINT_ERROR( msgBuf , myThid) |
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STOP 'ABNORMAL END: S/R INI_PARMS' |
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ENDIF |
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cnh |
1.3 |
C-- Example offline config. parameters |
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cnh |
1.1 |
C Set to 12 equal length one month periods |
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oBandBeg(1) = 0. _d 0 |
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oBandEnd(1) = 2592000. _d 0 |
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DO I=2, nOBands |
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oBandBeg(I) = oBandBeg(I-1) |
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oBandEnd(I) = oBandBeg(I)+2592000. _d 0 |
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ENDDO |
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oPeriodLength = oBandEnd(nOBands) |
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oBandId( 1) = 'jan' |
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oBandId( 2) = 'feb' |
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oBandId( 3) = 'mar' |
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oBandId( 4) = 'apr' |
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oBandId( 5) = 'may' |
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oBandId( 6) = 'jun' |
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oBandId( 7) = 'jul' |
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oBandId( 8) = 'aug' |
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oBandId( 9) = 'sep' |
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oBandId(10) = 'oct' |
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oBandId(11) = 'nov' |
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oBandId(12) = 'dec' |
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numStepsPerPickup = NINT( oBandEnd(1) / deltaTtracer ) |
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_END_MASTER(myThid) |
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C-- Everyone else must wait for the parameters to be loaded |
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_BARRIER |
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C |
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RETURN |
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END |
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