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C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_parms.F,v 1.11 1998/05/28 16:19:50 adcroft Exp $ |
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|
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#include "CPP_EEOPTIONS.h" |
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|
| 5 |
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. | |
| 13 |
C | A production version needs to handle parameters from an | |
| 14 |
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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|
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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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|
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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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|
| 28 |
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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|
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C-- Continuous equation parameters |
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NAMELIST /PARM01/ |
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& gravity, gBaro, 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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& GMmaxslope,GMlength,GMalpha,GMdepth,GMkbackground, |
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& tRef, sRef, eosType, |
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& momViscosity, momAdvection, momForcing, useCoriolis, |
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& momPressureForcing, metricTerms, |
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& tempDiffusion, tempAdvection, tempForcing, |
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& saltDiffusion, saltAdvection, saltForcing, |
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& implicitFreeSurface, rigidLid, freeSurfFac, |
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& tempStepping, momStepping, implicitDiffusion |
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|
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C-- Elliptic solver parameters |
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NAMELIST /PARM02/ |
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& cg2dMaxIters, cg2dChkResFreq, cg2dTargetResidual, cg2dpcOffDFac |
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|
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C-- Time stepping parammeters |
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NAMELIST /PARM03/ |
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& nIter0, nTimeSteps, deltaT, deltaTmom, deltaTtracer, abEps, tauCD, rCD, |
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& startTime, endTime, chkPtFreq, dumpFreq, deltaTClock, pChkPtFreq, |
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& cAdjFreq |
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|
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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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|
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C |
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_BEGIN_MASTER(myThid) |
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|
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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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|
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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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|
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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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|
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|
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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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|
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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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gBaro = gravity |
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rhoNil = 999.8 D0 |
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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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GMmaxslope=1.d-2 |
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GMlength=200.d3 |
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GMalpha=0. |
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GMdepth=1000. |
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GMkbackground=0. |
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tAlpha=2.d-4 |
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sBeta=1.d-5 |
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eosType='LINEAR' |
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implicitFreeSurface = .TRUE. |
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rigidLid = .FALSE. |
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freeSurfFac = 1. _d 0 |
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momViscosity = .TRUE. |
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momAdvection = .TRUE. |
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momForcing = .TRUE. |
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useCoriolis = .TRUE. |
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momPressureForcing = .TRUE. |
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momStepping = .TRUE. |
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tempStepping = .TRUE. |
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metricTerms = .TRUE. |
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implicitDiffusion = .FALSE. |
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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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IF ( implicitFreeSurface ) freeSurfFac = 1. _d 0 |
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IF ( rigidLid ) freeSurfFac = 0. _d 0 |
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IF ( momViscosity ) THEN |
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vfFacMom = 1. _d 0 |
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ELSE |
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vfFacMom = 0. _d 0 |
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ENDIF |
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IF ( momAdvection ) THEN |
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afFacMom = 1. _d 0 |
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ELSE |
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afFacMom = 0. _d 0 |
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ENDIF |
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IF ( momForcing ) THEN |
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foFacMom = 1. _d 0 |
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ELSE |
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foFacMom = 0. _d 0 |
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ENDIF |
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IF ( useCoriolis ) THEN |
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cfFacMom = 1. _d 0 |
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ELSE |
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cfFacMom = 0. _d 0 |
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ENDIF |
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IF ( momPressureForcing ) THEN |
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pfFacMom = 1. _d 0 |
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ELSE |
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pfFacMom = 0. _d 0 |
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ENDIF |
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IF ( metricTerms ) THEN |
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mTFacMom = 1. _d 0 |
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ELSE |
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mTFacMom = 1. _d 0 |
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ENDIF |
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|
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IF ( implicitFreeSurface .AND. rigidLid ) THEN |
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WRITE(msgBuf,'(A)') |
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& 'S/R INI_PARMS: Cannot select implicitFreeSurface and rigidLid.' |
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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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|
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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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cg2dpcOffDFac = 0.51 _d 0 |
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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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|
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C-- Time stepping parameters |
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startTime = 0. |
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nTimeSteps = 0 |
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endTime = 0. |
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nIter0 = 0 |
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deltaT = 0. |
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deltaTClock = 0. |
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deltaTtracer = 0. |
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deltaTMom = 0. |
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abEps = 0.01 |
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pchkPtFreq = 0. |
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chkPtFreq = 3600.*25 |
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dumpFreq = 3600.*100 |
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writeStatePrec = precFloat32 |
| 278 |
nCheckLev = 1 |
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checkPtSuff(1) = 'ckptA' |
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checkPtSuff(2) = 'ckptB' |
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cAdjFreq = -1. _d 0 |
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rCD = -1. _d 0 |
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tauCD = 0. _d 0 |
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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 ' |
| 292 |
CALL PRINT_ERROR( msgBuf , 1) |
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WRITE(msgBuf,'(A)') |
| 294 |
& 'parameter file "data"' |
| 295 |
CALL PRINT_ERROR( msgBuf , 1) |
| 296 |
WRITE(msgBuf,'(A)') |
| 297 |
& 'Problem in namelist PARM03' |
| 298 |
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 Process "timestepping" params |
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C o Time step size |
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IF ( deltaT .EQ. 0. ) deltaT = deltaTmom |
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IF ( deltaT .EQ. 0. ) deltaT = deltaTtracer |
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IF ( deltaTmom .EQ. 0. ) deltaTmom = deltaT |
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IF ( deltaTtracer .EQ. 0. ) deltaTtracer = deltaT |
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IF ( deltaTClock .EQ. 0. ) deltaTClock = deltaT |
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C o Convection frequency |
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IF ( cAdjFreq .LT. 0. ) THEN |
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cAdjFreq = deltaTClock |
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ENDIF |
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C o CD coupling |
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IF ( tauCD .EQ. 0. _d 0 ) THEN |
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tauCD = deltaTmom |
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ENDIF |
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IF ( rCD .LT. 0. ) THEN |
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rCD = 1. - deltaTMom/tauCD |
| 319 |
ENDIF |
| 320 |
C o Time step count |
| 321 |
IF ( endTime .NE. 0 ) THEN |
| 322 |
IF ( deltaTClock .NE. 0 ) nTimeSteps = |
| 323 |
& INT((endTime-startTime)/deltaTClock) |
| 324 |
ENDIF |
| 325 |
C o Finish time |
| 326 |
IF ( endTime .EQ. 0. ) endTime = FLOAT(nTimeSteps)*deltaTClock |
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|
| 328 |
C-- Grid parameters |
| 329 |
C In cartesian coords distances are in metres |
| 330 |
usingCartesianGrid = .TRUE. |
| 331 |
DO K =1,Nz |
| 332 |
delZ(K) = 100. _d 0 |
| 333 |
ENDDO |
| 334 |
dxSpacing = 20. _d 0 * 1000. _d 0 |
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dySpacing = 20. _d 0 * 1000. _d 0 |
| 336 |
DO i=1,Nx |
| 337 |
delX(i) = dxSpacing |
| 338 |
ENDDO |
| 339 |
DO j=1,Ny |
| 340 |
delY(j) = dySpacing |
| 341 |
ENDDO |
| 342 |
C In spherical polar distances are in degrees |
| 343 |
usingSphericalPolarGrid = .FALSE. |
| 344 |
phiMin = -5.0 |
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thetaMin = 0. |
| 346 |
rSphere = 6370. * 1. _d 3 |
| 347 |
rRsphere = 1. _d 0/rSphere |
| 348 |
IF ( usingSphericalPolarGrid ) THEN |
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dxSpacing = 1. |
| 350 |
dySpacing = 1. |
| 351 |
DO I=1,Nx |
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delX(I) = dxSpacing |
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ENDDO |
| 354 |
DO J=1,Ny |
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delY(J) = dySpacing |
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ENDDO |
| 357 |
ENDIF |
| 358 |
|
| 359 |
READ(UNIT=iUnit,NML=PARM04,IOSTAT=errIO,err=9) |
| 360 |
IF ( errIO .GE. 0 ) GOTO 10 |
| 361 |
9 CONTINUE |
| 362 |
WRITE(msgBuf,'(A)') |
| 363 |
& 'S/R INI_PARMS' |
| 364 |
CALL PRINT_ERROR( msgBuf , 1) |
| 365 |
WRITE(msgBuf,'(A)') |
| 366 |
& 'Error reading numerical model ' |
| 367 |
CALL PRINT_ERROR( msgBuf , 1) |
| 368 |
WRITE(msgBuf,'(A)') |
| 369 |
& 'parameter file "data"' |
| 370 |
CALL PRINT_ERROR( msgBuf , 1) |
| 371 |
WRITE(msgBuf,'(A)') |
| 372 |
& 'Problem in namelist PARM04' |
| 373 |
CALL PRINT_ERROR( msgBuf , 1) |
| 374 |
CALL MODELDATA_EXAMPLE( myThid ) |
| 375 |
STOP 'ABNORMAL END: S/R INI_PARMS' |
| 376 |
10 CONTINUE |
| 377 |
|
| 378 |
IF ( rSphere .NE. 0 ) THEN |
| 379 |
rRSphere = 1. _d 0/rSphere |
| 380 |
ELSE |
| 381 |
rRSphere = 0. |
| 382 |
ENDIF |
| 383 |
|
| 384 |
C Initialize EOS coefficients (3rd order polynomial) |
| 385 |
IF (eostype.eq.'POLY3') THEN |
| 386 |
OPEN(37,FILE='POLY3.COEFFS',STATUS='OLD',FORM='FORMATTED') |
| 387 |
READ(37,*) I |
| 388 |
IF (I.NE.Nz) THEN |
| 389 |
WRITE(0,*) 'ini_parms: attempt to read POLY3.COEFFS failed' |
| 390 |
WRITE(0,*) ' because bad # of levels in data' |
| 391 |
STOP 'Bad data in POLY3.COEFFS' |
| 392 |
ENDIF |
| 393 |
READ(37,*) (eosRefT(K),eosRefS(K),eosSig0(K),K=1,Nz) |
| 394 |
DO K=1,Nz |
| 395 |
READ(37,*) (eosC(I,K),I=1,9) |
| 396 |
write(0,'(i3,13f8.3)') K,eosRefT(K),eosRefS(K),eosSig0(K), |
| 397 |
& (eosC(I,K),I=1,9) |
| 398 |
ENDDO |
| 399 |
CLOSE(37) |
| 400 |
ENDIF |
| 401 |
|
| 402 |
goptCount = 0 |
| 403 |
IF ( usingCartesianGrid ) goptCount = goptCount+1 |
| 404 |
IF ( usingSphericalPolarGrid ) goptCount = goptCount+1 |
| 405 |
IF ( goptCount .NE. 1 ) THEN |
| 406 |
WRITE(msgBuf,'(A)') |
| 407 |
& 'S/R INI_PARMS: More than one coordinate system requested' |
| 408 |
CALL PRINT_ERROR( msgBuf , myThid) |
| 409 |
STOP 'ABNORMAL END: S/R INI_PARMS' |
| 410 |
ENDIF |
| 411 |
|
| 412 |
IF ( usingCartesianGrid ) THEN |
| 413 |
usingSphericalPolarMterms = .FALSE. |
| 414 |
metricTerms = .FALSE. |
| 415 |
mTFacMom = 0 |
| 416 |
|
| 417 |
useConstantF = .FALSE. |
| 418 |
useBetaPlaneF = .FALSE. |
| 419 |
useSphereF = .TRUE. |
| 420 |
omega = 2. _d 0 * PI / ( 3600. _d 0 * 24. _d 0 ) |
| 421 |
usingSphericalPolarMterms = .TRUE. |
| 422 |
metricTerms = .TRUE. |
| 423 |
mTFacMom = 1 |
| 424 |
ENDIF |
| 425 |
IF ( usingSphericalPolarGrid ) THEN |
| 426 |
useConstantF = .FALSE. |
| 427 |
useBetaPlaneF = .FALSE. |
| 428 |
useSphereF = .TRUE. |
| 429 |
omega = 2. _d 0 * PI / ( 3600. _d 0 * 24. _d 0 ) |
| 430 |
usingSphericalPolarMterms = .TRUE. |
| 431 |
metricTerms = .TRUE. |
| 432 |
mTFacMom = 1 |
| 433 |
ENDIF |
| 434 |
|
| 435 |
_END_MASTER(myThid) |
| 436 |
|
| 437 |
C-- Everyone else must wait for the parameters to be loaded |
| 438 |
_BARRIER |
| 439 |
C |
| 440 |
|
| 441 |
RETURN |
| 442 |
END |
| 443 |
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