| 1 |
jmc |
1.5 |
C $Header: /u/gcmpack/MITgcm/pkg/pp81/pp81_calc.F,v 1.4 2009/10/08 20:08:20 jmc Exp $ |
| 2 |
mlosch |
1.1 |
C $Name: $ |
| 3 |
|
|
|
| 4 |
|
|
#include "PP81_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
CBOP |
| 7 |
|
|
C !ROUTINE: PP81_CALC |
| 8 |
|
|
|
| 9 |
|
|
C !INTERFACE: ======================================================= |
| 10 |
|
|
subroutine PP81_CALC( |
| 11 |
|
|
I bi, bj, myTime, myThid ) |
| 12 |
|
|
|
| 13 |
|
|
C !DESCRIPTION: \bv |
| 14 |
jmc |
1.4 |
C *==========================================================* |
| 15 |
mlosch |
1.1 |
C | SUBROUTINE PP81_CALC | |
| 16 |
|
|
C | o Compute all PP81 fields defined in PP81.h | |
| 17 |
jmc |
1.4 |
C *==========================================================* |
| 18 |
mlosch |
1.1 |
C | This subroutine is based on SPEM code | |
| 19 |
jmc |
1.4 |
C *==========================================================* |
| 20 |
mlosch |
1.1 |
|
| 21 |
|
|
C global parameters updated by pp_calc |
| 22 |
jmc |
1.4 |
C PPviscAz :: PP eddy viscosity coefficient (m^2/s) |
| 23 |
|
|
C PPdiffKzT :: PP diffusion coefficient for temperature (m^2/s) |
| 24 |
mlosch |
1.1 |
C |
| 25 |
|
|
C \ev |
| 26 |
|
|
|
| 27 |
|
|
C !USES: ============================================================ |
| 28 |
jmc |
1.4 |
IMPLICIT NONE |
| 29 |
mlosch |
1.1 |
#include "SIZE.h" |
| 30 |
|
|
#include "EEPARAMS.h" |
| 31 |
|
|
#include "PARAMS.h" |
| 32 |
|
|
#include "DYNVARS.h" |
| 33 |
|
|
#include "PP81.h" |
| 34 |
|
|
#include "FFIELDS.h" |
| 35 |
|
|
#include "GRID.h" |
| 36 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 37 |
|
|
#include "tamc.h" |
| 38 |
|
|
#include "tamc_keys.h" |
| 39 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 40 |
|
|
|
| 41 |
|
|
C !INPUT PARAMETERS: =================================================== |
| 42 |
|
|
c Routine arguments |
| 43 |
jmc |
1.4 |
c bi, bj :: array indices on which to apply calculations |
| 44 |
|
|
c myTime :: Current time in simulation |
| 45 |
|
|
c myThid :: My Tread Id number |
| 46 |
mlosch |
1.1 |
|
| 47 |
|
|
INTEGER bi, bj |
| 48 |
jmc |
1.4 |
_RL myTime |
| 49 |
mlosch |
1.1 |
INTEGER myThid |
| 50 |
|
|
|
| 51 |
|
|
#ifdef ALLOW_PP81 |
| 52 |
|
|
|
| 53 |
|
|
C !LOCAL VARIABLES: ==================================================== |
| 54 |
|
|
c Local constants |
| 55 |
|
|
C imin, imax, jmin, jmax - array computation indices |
| 56 |
|
|
C RiNumber - Richardson Number |
| 57 |
|
|
INTEGER I, J, K |
| 58 |
|
|
INTEGER iMin ,iMax ,jMin ,jMax |
| 59 |
|
|
_RL denom, PPviscTmp |
| 60 |
|
|
_RL RiNumber(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 61 |
|
|
CEOP |
| 62 |
|
|
iMin = 2-OLx |
| 63 |
|
|
iMax = sNx+OLx-1 |
| 64 |
|
|
jMin = 2-OLy |
| 65 |
|
|
jMax = sNy+OLy-1 |
| 66 |
|
|
|
| 67 |
|
|
DO K = 2, Nr |
| 68 |
|
|
CALL PP81_RI_NUMBER( |
| 69 |
jmc |
1.4 |
I bi, bj, K, iMin, iMax, jMin, jMax, |
| 70 |
|
|
O RiNumber, |
| 71 |
mlosch |
1.1 |
I myTime, myThid ) |
| 72 |
|
|
DO J=jMin,jMax |
| 73 |
|
|
DO I=iMin,iMax |
| 74 |
|
|
IF ( RiNumber(I,J) .LT. RiLimit ) THEN |
| 75 |
|
|
denom = 1.0 + PPalpha*RiLimit |
| 76 |
|
|
PPviscTmp = PPviscMax |
| 77 |
|
|
ELSE |
| 78 |
|
|
denom = 1.0 + PPalpha*RiNumber(I,J) |
| 79 |
|
|
PPviscTmp = PPnu0/(denom**PPnRi) |
| 80 |
|
|
ENDIF |
| 81 |
|
|
C assign a minium ( = background ) value |
| 82 |
jmc |
1.4 |
PPviscAr(I,J,K,bi,bj) = MAX(PPviscTmp,viscArNr(k)) |
| 83 |
mlosch |
1.1 |
PPdiffKr(I,J,K,bi,bj) = MAX(PPviscAr(I,J,K,bi,bj)/denom, |
| 84 |
jmc |
1.2 |
& diffKrNrT(k)) |
| 85 |
mlosch |
1.1 |
CML if ( k.eq.2 .and. i.ge.1 .and. i.le.sNx .and. j.eq.1) |
| 86 |
|
|
CML & print '(A,3I3,5E14.5)', 'ml-pp81', I,J,K, RiLimit, |
| 87 |
|
|
CML & RiNumber(I,J),denom, |
| 88 |
|
|
CML & PPviscAr(I,J,K,bi,bj), PPdiffKr(I,J,K,bi,bj) |
| 89 |
|
|
ENDDO |
| 90 |
|
|
ENDDO |
| 91 |
|
|
#ifdef ALLOW_PP81_LOWERBOUND |
| 92 |
jmc |
1.4 |
CRT This is where the lower limit for subsurface layers |
| 93 |
|
|
CRT (BRIOS special) is set. |
| 94 |
jmc |
1.5 |
IF ( (usingZCoords .AND. K .EQ. 2) .OR. |
| 95 |
|
|
& (usingPCoords .AND. K .EQ. Nr) ) THEN |
| 96 |
mlosch |
1.1 |
DO J=jMin,jMax |
| 97 |
|
|
DO I=iMin,iMax |
| 98 |
|
|
PPviscAr(I,J,K,bi,bj) = MAX(PPviscMin,PPviscAr(I,J,K,bi,bj)) |
| 99 |
|
|
PPdiffKr(I,J,K,bi,bj) = MAX(PPdiffMin,PPdiffKr(I,J,K,bi,bj)) |
| 100 |
jmc |
1.4 |
ENDDO |
| 101 |
mlosch |
1.1 |
ENDDO |
| 102 |
|
|
ENDIF |
| 103 |
|
|
#endif /* ALLOW_PP81_LOWERBOUND */ |
| 104 |
|
|
C Mask land points |
| 105 |
|
|
DO J=jMin,jMax |
| 106 |
|
|
DO I=iMin,iMax |
| 107 |
|
|
PPviscAr(I,J,K,bi,bj) = PPviscAr(I,J,K,bi,bj) |
| 108 |
|
|
& * maskC(I,J,K,bi,bj) |
| 109 |
|
|
PPdiffKr(I,J,K,bi,bj) = PPdiffKr(I,J,K,bi,bj) |
| 110 |
|
|
& * maskC(I,J,K,bi,bj) |
| 111 |
jmc |
1.4 |
ENDDO |
| 112 |
mlosch |
1.1 |
ENDDO |
| 113 |
|
|
C end K-loop |
| 114 |
|
|
ENDDO |
| 115 |
|
|
|
| 116 |
|
|
#endif /* ALLOW_PP81 */ |
| 117 |
|
|
|
| 118 |
|
|
RETURN |
| 119 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph