| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/generic_advdiff/gad_init_fixed.F,v 1.1 2007/01/10 23:51:36 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "GAD_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: GAD_INIT_FIXED |
| 8 |
C !INTERFACE: |
| 9 |
SUBROUTINE GAD_INIT_FIXED( myThid ) |
| 10 |
C !DESCRIPTION: |
| 11 |
C Routine to initialize Generic Advection/Diffusion variables and |
| 12 |
C constants. |
| 13 |
|
| 14 |
C !USES: |
| 15 |
IMPLICIT NONE |
| 16 |
C === Global variables === |
| 17 |
#include "SIZE.h" |
| 18 |
#include "EEPARAMS.h" |
| 19 |
#include "PARAMS.h" |
| 20 |
#include "GAD.h" |
| 21 |
|
| 22 |
C !INPUT/OUTPUT PARAMETERS: |
| 23 |
C === Routine arguments === |
| 24 |
C myThid - Number of this instance of GAD_INIT_FIXED |
| 25 |
INTEGER myThid |
| 26 |
CEOP |
| 27 |
|
| 28 |
C === Local variables === |
| 29 |
C msgBuf - Informational/error meesage buffer |
| 30 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 31 |
INTEGER minOlSize |
| 32 |
|
| 33 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 34 |
|
| 35 |
_BEGIN_MASTER(myThid) |
| 36 |
|
| 37 |
C-- Set Temp & Salt 2nd-Order Moment Advec. flag according to advection scheme |
| 38 |
tempSOM_Advection = tempAdvScheme.GE.ENUM_SOM_PRATHER |
| 39 |
& .AND. tempAdvScheme.LE.ENUM_SOM_LIMITER |
| 40 |
tempSOM_Advection = tempSOM_Advection .AND. tempAdvection |
| 41 |
saltSOM_Advection = saltAdvScheme.GE.ENUM_SOM_PRATHER |
| 42 |
& .AND. saltAdvScheme.LE.ENUM_SOM_LIMITER |
| 43 |
saltSOM_Advection = saltSOM_Advection .AND. saltAdvection |
| 44 |
|
| 45 |
C-- Set Temp & Salt multi-Dim Advec. flag according to advection scheme used |
| 46 |
tempMultiDimAdvec = multiDimAdvection .AND. tempAdvection |
| 47 |
saltMultiDimAdvec = multiDimAdvection .AND. saltAdvection |
| 48 |
IF ( tempAdvScheme.EQ.ENUM_CENTERED_2ND |
| 49 |
& .OR.tempAdvScheme.EQ.ENUM_UPWIND_3RD |
| 50 |
& .OR.tempAdvScheme.EQ.ENUM_CENTERED_4TH ) THEN |
| 51 |
tempMultiDimAdvec = .FALSE. |
| 52 |
ENDIF |
| 53 |
IF ( saltAdvScheme.EQ.ENUM_CENTERED_2ND |
| 54 |
& .OR.saltAdvScheme.EQ.ENUM_UPWIND_3RD |
| 55 |
& .OR.saltAdvScheme.EQ.ENUM_CENTERED_4TH ) THEN |
| 56 |
saltMultiDimAdvec = .FALSE. |
| 57 |
ENDIF |
| 58 |
|
| 59 |
C-- Set general multi-Dim Advec. flag when at least 1 tracer use multi-Dim Advec. |
| 60 |
useMultiDimAdvec = useMultiDimAdvec.OR.tempMultiDimAdvec |
| 61 |
useMultiDimAdvec = useMultiDimAdvec.OR.saltMultiDimAdvec |
| 62 |
|
| 63 |
C-- Set Temp & Salt Adams-Bashforth flag according to advection scheme used |
| 64 |
AdamsBashforthGt = .FALSE. |
| 65 |
AdamsBashforthGs = .FALSE. |
| 66 |
AdamsBashforth_T = .FALSE. |
| 67 |
AdamsBashforth_S = .FALSE. |
| 68 |
IF ( tempAdvScheme.EQ.ENUM_CENTERED_2ND |
| 69 |
& .OR.tempAdvScheme.EQ.ENUM_UPWIND_3RD |
| 70 |
& .OR.tempAdvScheme.EQ.ENUM_CENTERED_4TH ) THEN |
| 71 |
AdamsBashforthGt = tempStepping |
| 72 |
ENDIF |
| 73 |
IF ( saltAdvScheme.EQ.ENUM_CENTERED_2ND |
| 74 |
& .OR.saltAdvScheme.EQ.ENUM_UPWIND_3RD |
| 75 |
& .OR.saltAdvScheme.EQ.ENUM_CENTERED_4TH ) THEN |
| 76 |
AdamsBashforthGs = saltStepping |
| 77 |
ENDIF |
| 78 |
#ifdef ALLOW_ADAMSBASHFORTH_3 |
| 79 |
C- For now, A-B on T,S is only implemented in AB-3 code, and not working |
| 80 |
C with synchronous time-step, which would require to do also AB(u,v,w) |
| 81 |
IF ( .NOT.doAB_onGtGs .AND. |
| 82 |
& (staggerTimeStep .OR. implicitIntGravWave) ) THEN |
| 83 |
AdamsBashforth_T = AdamsBashforthGt |
| 84 |
AdamsBashforth_S = AdamsBashforthGs |
| 85 |
AdamsBashforthGt = .FALSE. |
| 86 |
AdamsBashforthGs = .FALSE. |
| 87 |
ENDIF |
| 88 |
#endif /* ALLOW_ADAMSBASHFORTH_3 */ |
| 89 |
|
| 90 |
C- Initialize AB starting flags for T & S: |
| 91 |
C notes: those could be modified when reading a pickup that does |
| 92 |
C correspond to what is actually needed. |
| 93 |
tempStartAB = nIter0.EQ.0 |
| 94 |
saltStartAB = nIter0.EQ.0 |
| 95 |
|
| 96 |
_END_MASTER(myThid) |
| 97 |
|
| 98 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 99 |
|
| 100 |
#ifdef ALLOW_DIAGNOSTICS |
| 101 |
IF ( useDiagnostics ) THEN |
| 102 |
C-- Add diagnostics of Temp & Salt fluxes to the (long) list of diagnostics: |
| 103 |
CALL GAD_DIAGNOSTICS_INIT( myThid ) |
| 104 |
ENDIF |
| 105 |
#endif /* ALLOW_DIAGNOSTICS */ |
| 106 |
|
| 107 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 108 |
|
| 109 |
C-- Print out GAD parameters : |
| 110 |
_BEGIN_MASTER(myThid) |
| 111 |
|
| 112 |
WRITE(msgBuf,'(A)') ' ' |
| 113 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 114 |
WRITE(msgBuf,'(A)') '// ===================================' |
| 115 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 116 |
WRITE(msgBuf,'(A)')'// GAD parameters :' |
| 117 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 118 |
WRITE(msgBuf,'(A)') '// ===================================' |
| 119 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 120 |
|
| 121 |
CALL WRITE_0D_I( tempAdvScheme, INDEX_NONE, |
| 122 |
& 'tempAdvScheme =', |
| 123 |
& ' /* Temp. Horiz.Advection scheme selector */') |
| 124 |
CALL WRITE_0D_I( tempVertAdvScheme, INDEX_NONE, |
| 125 |
& 'tempVertAdvScheme =', |
| 126 |
& ' /* Temp. Vert. Advection scheme selector */') |
| 127 |
CALL WRITE_0D_L( tempMultiDimAdvec, INDEX_NONE, |
| 128 |
& 'tempMultiDimAdvec =', |
| 129 |
& ' /* use Muti-Dim Advec method for Temp */') |
| 130 |
CALL WRITE_0D_L( tempSOM_Advection, INDEX_NONE, |
| 131 |
& 'tempSOM_Advection =', |
| 132 |
& ' /* use 2nd Order Moment Advection for Temp */') |
| 133 |
CALL WRITE_0D_L( AdamsBashforthGt, INDEX_NONE, |
| 134 |
& 'AdamsBashforthGt =', |
| 135 |
& ' /* apply Adams-Bashforth extrapolation on Gt */') |
| 136 |
CALL WRITE_0D_L( AdamsBashforth_T, INDEX_NONE, |
| 137 |
& 'AdamsBashforth_T =', |
| 138 |
& ' /* apply Adams-Bashforth extrapolation on Temp */') |
| 139 |
|
| 140 |
CALL WRITE_0D_I( saltAdvScheme, INDEX_NONE, |
| 141 |
& 'saltAdvScheme =', |
| 142 |
& ' /* Salt. Horiz.advection scheme selector */') |
| 143 |
CALL WRITE_0D_I( saltVertAdvScheme, INDEX_NONE, |
| 144 |
& 'saltVertAdvScheme =', |
| 145 |
& ' /* Salt. Vert. Advection scheme selector */') |
| 146 |
CALL WRITE_0D_L( saltMultiDimAdvec, INDEX_NONE, |
| 147 |
& 'saltMultiDimAdvec =', |
| 148 |
& ' /* use Muti-Dim Advec method for Salt */') |
| 149 |
CALL WRITE_0D_L( saltSOM_Advection, INDEX_NONE, |
| 150 |
& 'saltSOM_Advection =', |
| 151 |
& ' /* use 2nd Order Moment Advection for Salt */') |
| 152 |
CALL WRITE_0D_L( AdamsBashforthGs, INDEX_NONE, |
| 153 |
& 'AdamsBashforthGs =', |
| 154 |
& ' /* apply Adams-Bashforth extrapolation on Gs */') |
| 155 |
CALL WRITE_0D_L( AdamsBashforth_S, INDEX_NONE, |
| 156 |
& 'AdamsBashforth_S =', |
| 157 |
& ' /* apply Adams-Bashforth extrapolation on Salt */') |
| 158 |
|
| 159 |
WRITE(msgBuf,'(A)') '// ===================================' |
| 160 |
CALL PRINT_MESSAGE(msgBuf,standardMessageUnit,SQUEEZE_RIGHT,1) |
| 161 |
|
| 162 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 163 |
|
| 164 |
C-- Check size of the overlap : |
| 165 |
IF ( useCubedSphereExchange .AND. useMultiDimAdvec ) THEN |
| 166 |
C- multi-dim-advection on CS-grid requires to double the size of Olx,Oly |
| 167 |
minOlSize = 2 |
| 168 |
IF ( tempMultiDimAdvec ) THEN |
| 169 |
IF ( tempAdvScheme.EQ.ENUM_FLUX_LIMIT .OR. |
| 170 |
& tempAdvScheme.EQ.ENUM_DST3_FLUX_LIMIT .OR. |
| 171 |
& tempAdvScheme.EQ.ENUM_DST3 ) minOlSize = 4 |
| 172 |
ENDIF |
| 173 |
IF ( saltMultiDimAdvec ) THEN |
| 174 |
IF ( saltAdvScheme.EQ.ENUM_FLUX_LIMIT .OR. |
| 175 |
& saltAdvScheme.EQ.ENUM_DST3_FLUX_LIMIT .OR. |
| 176 |
& saltAdvScheme.EQ.ENUM_DST3 ) minOlSize = 4 |
| 177 |
ENDIF |
| 178 |
IF ( Olx.LT.minOlSize .OR. Oly.LT.minOlSize ) THEN |
| 179 |
WRITE(msgBuf,'(A)') |
| 180 |
& 'GAD_INIT_FIXED: Multi-Dim Advection with 5-points stencil' |
| 181 |
CALL PRINT_ERROR( msgBuf , myThid) |
| 182 |
WRITE(msgBuf,'(A,I2)') |
| 183 |
& 'GAD_INIT_FIXED: advection scheme needs at least Olx,Oly=', |
| 184 |
& minOlSize |
| 185 |
CALL PRINT_ERROR( msgBuf , myThid) |
| 186 |
STOP 'ABNORMAL END: S/R GAD_INIT_FIXED' |
| 187 |
ENDIF |
| 188 |
ENDIF |
| 189 |
|
| 190 |
_END_MASTER(myThid) |
| 191 |
_BARRIER |
| 192 |
|
| 193 |
RETURN |
| 194 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph