| 1 | C $Header: /u/u0/gcmpack/MITgcm/pkg/monitor/mon_advcfl.F,v 1.5 2003/05/13 18:18:05 adcroft Exp $ | 
| 2 | C $Name:  $ | 
| 3 |  | 
| 4 | #include "MONITOR_OPTIONS.h" | 
| 5 |  | 
| 6 | SUBROUTINE MON_ADVCFL( | 
| 7 | I                label, U, rDx, dT, | 
| 8 | I                myThid ) | 
| 9 | C     /==========================================================\ | 
| 10 | C     | SUBROUTINE MON_ADVCFL                                    | | 
| 11 | C     | o Calculates maximum CFL number                          | | 
| 12 | C     |==========================================================| | 
| 13 | C     \==========================================================/ | 
| 14 | IMPLICIT NONE | 
| 15 |  | 
| 16 | C     === Global data === | 
| 17 | #include "SIZE.h" | 
| 18 | #include "EEPARAMS.h" | 
| 19 | #include "MONITOR.h" | 
| 20 |  | 
| 21 | C     === Routine arguments === | 
| 22 | CHARACTER*(*) label | 
| 23 | _RL U(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) | 
| 24 | _RS rDx(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) | 
| 25 | _RL dT | 
| 26 | INTEGER myThid | 
| 27 |  | 
| 28 | C     === Local variables ==== | 
| 29 | INTEGER bi,bj,I,J,K | 
| 30 | INTEGER maxI, maxJ, maxK, IG, JG, maxBi, maxBj | 
| 31 | _RL tmpVal,theMax, myMax | 
| 32 |  | 
| 33 | theMax=0. | 
| 34 | maxI  = 0 | 
| 35 | maxJ  = 0 | 
| 36 | maxK  = 0 | 
| 37 | maxBi = 0 | 
| 38 | maxBj = 0 | 
| 39 |  | 
| 40 | DO bj=myByLo(myThid),myByHi(myThid) | 
| 41 | DO bi=myBxLo(myThid),myBxHi(myThid) | 
| 42 | DO K=1,Nr | 
| 43 | DO J=1,sNy | 
| 44 | DO I=1,sNx | 
| 45 | tmpVal=abs(U(I,J,K,bi,bj))*rDx(I,J,BI,BJ)*dT | 
| 46 | IF ( tmpVal .GT. theMax ) THEN | 
| 47 | maxI  = I | 
| 48 | maxJ  = J | 
| 49 | maxK  = K | 
| 50 | maxBi = bi | 
| 51 | maxBj = bj | 
| 52 | ENDIF | 
| 53 | theMax=max(theMax,tmpVal) | 
| 54 | ENDDO | 
| 55 | ENDDO | 
| 56 | ENDDO | 
| 57 | ENDDO | 
| 58 | ENDDO | 
| 59 | myMax = theMax | 
| 60 | _GLOBAL_MAX_R8(theMax,myThid) | 
| 61 | IF ( theMax .EQ. myMax ) THEN | 
| 62 | IG = myXGlobalLo+maxI-1+(maxBi-1)*sNx | 
| 63 | JG = myYGlobalLo+maxJ-1+(maxBj-1)*sNy | 
| 64 | CALL MON_OUT_I( '_loci',   IG, mon_foot_max, myThid ) | 
| 65 | CALL MON_OUT_I( '_locj',   JG, mon_foot_max, myThid ) | 
| 66 | CALL MON_OUT_I( '_lock', maxK, mon_foot_max, myThid ) | 
| 67 | ENDIF | 
| 68 |  | 
| 69 | CALL MON_OUT_RL( label, theMax, mon_foot_max ,myThid) | 
| 70 |  | 
| 71 | RETURN | 
| 72 | END |