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C $Header: /u/gcmpack/MITgcm/model/src/set_parms.F,v 1.20 2015/01/03 23:56:41 jmc Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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#ifdef ALLOW_MOM_COMMON |
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# include "MOM_COMMON_OPTIONS.h" |
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#endif |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: SET_PARMS |
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C !INTERFACE: |
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SUBROUTINE SET_PARMS( myThid ) |
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|
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C !DESCRIPTION: |
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C Set model "parameters" that might depend on the use of some pkgs; |
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C called from INITIALISE_FIXED, after INI_PARMS & PACKAGES_READPARAMS |
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C NOTES: After leaving this S/R, parameters will not change anymore. |
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|
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C !USES: |
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IMPLICIT NONE |
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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 "EOS.h" |
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#ifdef ALLOW_MOM_COMMON |
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# include "MOM_VISC.h" |
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#endif |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C myThid :: My Thread Id number |
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INTEGER myThid |
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|
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C !FUNCTIONS: |
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c INTEGER ILNBLNK |
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c EXTERNAL ILNBLNK |
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|
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C !LOCAL VARIABLES: |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER k |
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_RL tmpVar |
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CEOP |
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|
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C-- Set (or reset) On/Off flags : |
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|
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C- For off-line calculation, switch off Momentum and Active-tracers (=T,S): |
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#ifdef ALLOW_OFFLINE |
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IF ( useOffLine ) THEN |
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CALL OFFLINE_RESET_PARMS( myThid ) |
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ENDIF |
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#endif /* ALLOW_OFFLINE */ |
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|
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_BEGIN_MASTER(myThid) |
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|
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C-- On/Off flags for each terms of the momentum equation |
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nonHydrostatic = momStepping .AND. nonHydrostatic |
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quasiHydrostatic = momStepping .AND. quasiHydrostatic |
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momAdvection = momStepping .AND. momAdvection |
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momViscosity = momStepping .AND. momViscosity |
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momForcing = momStepping .AND. momForcing |
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useCoriolis = momStepping .AND. useCoriolis |
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use3dCoriolis= useCoriolis .AND. use3dCoriolis |
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useCDscheme = momStepping .AND. useCDscheme |
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momPressureForcing= momStepping .AND. momPressureForcing |
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implicitIntGravWave=momPressureForcing .AND. implicitIntGravWave |
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momImplVertAdv = momAdvection .AND. momImplVertAdv |
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implicitViscosity= momViscosity .AND. implicitViscosity |
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useSmag3D = momViscosity .AND. useSmag3D |
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use3Dsolver = nonHydrostatic.OR. implicitIntGravWave |
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calc_wVelocity = momStepping .OR. exactConserv |
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|
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#ifndef ALLOW_3D_VISCAH |
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IF ( viscAhDfile.NE.' ' .OR. viscAhZfile.NE.' ' ) THEN |
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WRITE(msgBuf,'(2A)') 'SET_PARAMS: ', |
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& 'viscAhDfile and viscAhZfile cannot be used with' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(2A)') 'SET_PARAMS: ', |
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& '"#undef ALLOW_3D_VISCAH" in MOM_COMMON_OPTIONS.h' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R SET_PARAMS' |
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c errCount = errCount + 1 |
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ENDIF |
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#endif |
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#ifndef ALLOW_3D_VISCA4 |
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IF ( viscA4Dfile.NE.' ' .OR. viscA4Zfile.NE.' ' ) THEN |
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WRITE(msgBuf,'(2A)') 'SET_PARAMS: ', |
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& 'viscA4Dfile and viscA4Zfile cannot be used with' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(2A)') 'SET_PARAMS: ', |
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& '"#undef ALLOW_3D_VISCA4" in MOM_COMMON_OPTIONS.h' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R SET_PARAMS' |
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ENDIF |
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#endif |
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|
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#ifdef ALLOW_MOM_COMMON |
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C- On/Off flags for viscosity coefficients |
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useVariableVisc = |
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& viscAhGrid .NE.zeroRL .OR. viscA4Grid .NE.zeroRL |
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& .OR. viscC2smag .NE.zeroRL .OR. viscC4smag .NE.zeroRL |
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& .OR. viscC2leith.NE.zeroRL .OR. viscC2leithD.NE.zeroRL |
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& .OR. viscC4leith.NE.zeroRL .OR. viscC4leithD.NE.zeroRL |
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& .OR. viscAhDfile.NE.' ' .OR. viscAhZfile.NE.' ' |
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& .OR. viscA4Dfile.NE.' ' .OR. viscA4Zfile.NE.' ' |
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|
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useHarmonicVisc = viscAh .NE.zeroRL |
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& .OR. viscAhD .NE.zeroRL .OR. viscAhZ .NE.zeroRL |
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& .OR. viscAhGrid .NE.zeroRL .OR. viscC2smag .NE.zeroRL |
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& .OR. viscC2leith.NE.zeroRL .OR. viscC2leithD.NE.zeroRL |
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& .OR. viscAhDfile.NE. ' ' .OR. viscAhZfile .NE. ' ' |
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|
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useBiharmonicVisc = viscA4.NE.zeroRL |
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& .OR. viscA4D .NE.zeroRL .OR. viscA4Z .NE.zeroRL |
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& .OR. viscA4Grid .NE.zeroRL .OR. viscC4smag .NE.zeroRL |
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& .OR. viscC4leith.NE.zeroRL .OR. viscC4leithD.NE.zeroRL |
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& .OR. viscA4Dfile.NE. ' ' .OR. viscA4Zfile .NE. ' ' |
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|
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useVariableVisc = momViscosity .AND. useVariableVisc |
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useHarmonicVisc = momViscosity .AND. useHarmonicVisc |
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useBiharmonicVisc = momViscosity .AND. useBiharmonicVisc |
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#endif /* ALLOW_MOM_COMMON */ |
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IF ( bottomDragQuadratic.EQ.0. .OR. .NOT.momViscosity ) |
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& selectBotDragQuadr = -1 |
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|
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C-- Free-surface & pressure method |
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uniformFreeSurfLev = usingZCoords |
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C- Note: comment line below to revert to full-cell hydrostatic-pressure |
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C calculation in surface grid-cell below ice-shelf |
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uniformFreeSurfLev = usingZCoords .AND. .NOT.useShelfIce |
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IF ( selectNHfreeSurf.NE.0 .AND. |
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& ( .NOT.nonHydrostatic .OR. usingPCoords |
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& .OR. .NOT.exactConserv |
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& ) ) THEN |
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WRITE(msgBuf,'(2A)') '** WARNING ** SET_PARMS: ', |
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& 'reset selectNHfreeSurf to zero' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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selectNHfreeSurf = 0 |
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ENDIF |
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#ifdef ALLOW_AUTODIFF |
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doResetHFactors = .TRUE. |
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#endif |
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#ifndef NONLIN_FRSURF |
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doResetHFactors = .FALSE. |
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#endif |
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|
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C-- Set default Vorticity-Term Scheme: |
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IF ( vectorInvariantMomentum ) THEN |
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IF ( selectVortScheme.EQ.UNSET_I ) THEN |
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selectVortScheme = 1 |
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IF ( upwindVorticity ) selectVortScheme = 0 |
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IF ( highOrderVorticity ) selectVortScheme = 0 |
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ENDIF |
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ELSEIF ( selectVortScheme.NE.UNSET_I ) THEN |
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WRITE(msgBuf,'(A,A)') '** WARNING ** SET_PARMS: ', |
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& 'Vector-Invariant Momentum unused => ignore selectVortScheme' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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C-- Momentum viscosity on/off flag. |
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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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C-- Momentum advection on/off flag. |
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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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C-- Momentum forcing on/off flag. |
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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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C-- Coriolis term on/off flag. |
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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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C-- Pressure term on/off flag. |
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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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C-- Metric terms on/off flag. |
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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 = 0. _d 0 |
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ENDIF |
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|
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C-- Advection and Forcing for Temp and salt on/off flags |
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tempVertDiff4 = .FALSE. |
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saltVertDiff4 = .FALSE. |
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DO k=1,Nr |
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tempVertDiff4 = tempVertDiff4 .OR. ( diffKr4T(k).GT.0. _d 0 ) |
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saltVertDiff4 = saltVertDiff4 .OR. ( diffKr4S(k).GT.0. _d 0 ) |
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ENDDO |
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tempAdvection = tempStepping .AND. tempAdvection |
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tempVertDiff4 = tempStepping .AND. tempVertDiff4 |
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tempForcing = tempStepping .AND. tempForcing |
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saltAdvection = saltStepping .AND. saltAdvection |
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saltVertDiff4 = saltStepping .AND. saltVertDiff4 |
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saltForcing = saltStepping .AND. saltForcing |
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tempImplVertAdv = tempAdvection .AND. tempImplVertAdv |
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saltImplVertAdv = saltAdvection .AND. saltImplVertAdv |
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doThetaClimRelax = tempForcing .AND. |
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& ( tauThetaClimRelax.GT.0. _d 0 ) |
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doSaltClimRelax = saltForcing .AND. |
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& ( tauSaltClimRelax .GT.0. _d 0 ) |
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|
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C-- Dynamically Active Tracers : set flags |
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tempIsActiveTr = momPressureForcing .AND. tempAdvection |
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saltIsActiveTr = momPressureForcing .AND. saltAdvection |
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IF ( eosType.EQ.'IDEALG' .AND. atm_Rq.EQ.0. ) THEN |
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saltIsActiveTr = .FALSE. |
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ELSEIF ( eosType.EQ.'LINEAR' ) THEN |
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IF ( tAlpha.EQ.0. ) tempIsActiveTr = .FALSE. |
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IF ( sBeta .EQ.0. ) saltIsActiveTr = .FALSE. |
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ENDIF |
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|
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C-- When using the dynamical pressure in EOS (with Z-coord.), |
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C needs to activate specific part of the code (restart & exchange) |
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c useDynP_inEos_Zc = .FALSE. |
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useDynP_inEos_Zc = ( fluidIsWater .AND. usingZCoords |
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& .AND. ( eosType .EQ. 'JMD95P' .OR. |
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& eosType .EQ. 'UNESCO' .OR. |
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& eosType .EQ. 'MDJWF' .OR. |
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& eosType .EQ. 'TEOS10' ) ) |
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C- pkg/atm_phys uses main-model geopotential: |
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useDynP_inEos_Zc = useDynP_inEos_Zc .OR. useAtm_Phys |
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|
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C-- Adjust parameters related to length of the simulation |
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|
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C- Need to adjust endTime for sub-timestep mismatch , since in |
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C several places, test for last iteration with time==endTime : |
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tmpVar = startTime + deltaTClock*FLOAT(nTimeSteps) |
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IF ( endTime.NE.tmpVar ) THEN |
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IF ( ABS(endTime-tmpVar).GT.deltaTClock*1. _d -6 ) THEN |
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WRITE(msgBuf,'(A,A)') '** WARNING ** SET_PARMS: ', |
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& '(endTime-baseTime) not multiple of time-step' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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WRITE(msgBuf,'(2A,1PE20.13)') '** WARNING ** SET_PARMS: ', |
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& 'Previous endTime=', endTime |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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WRITE(msgBuf,'(2A,1PE20.13)') '** WARNING ** SET_PARMS: ', |
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& 'Adjusted endTime=', tmpVar |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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endTime = tmpVar |
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ENDIF |
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|
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#ifdef ALLOW_LONGSTEP |
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IF ( usePTRACERS ) THEN |
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CALL LONGSTEP_CHECK_ITERS(myThid) |
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ENDIF |
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#endif /* ALLOW_LONGSTEP */ |
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|
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C-- After this point, main model parameters are not supposed to be modified. |
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WRITE(msgBuf,'(A,A)') 'SET_PARMS: done' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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_END_MASTER(myThid) |
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|
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C-- Everyone else must wait for the parameters to be set |
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_BARRIER |
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|
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RETURN |
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END |
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