/[MITgcm]/MITgcm/model/src/ini_cartesian_grid.F
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revision 1.7 by adcroft, Thu Jul 2 14:16:24 1998 UTC revision 1.14 by adcroft, Fri Feb 2 21:04:48 2001 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2    
3  #include "CPP_EEOPTIONS.h"  #include "CPP_OPTIONS.h"
4    
5  CStartOfInterface  CStartOfInterface
6        SUBROUTINE INI_CARTESIAN_GRID( myThid )        SUBROUTINE INI_CARTESIAN_GRID( myThid )
# Line 33  C     | Under the cartesian grid mode pr Line 33  C     | Under the cartesian grid mode pr
33  C     | and Y are in metres. Disktance in Z are in m or Pa       |  C     | and Y are in metres. Disktance in Z are in m or Pa       |
34  C     | depending on the vertical gridding mode.                 |  C     | depending on the vertical gridding mode.                 |
35  C     \==========================================================/  C     \==========================================================/
36          IMPLICIT NONE
37    
38  C     === Global variables ===  C     === Global variables ===
39  #include "SIZE.h"  #include "SIZE.h"
# Line 47  CEndOfInterface Line 48  CEndOfInterface
48    
49  C     == Local variables ==  C     == Local variables ==
50  C     xG, yG - Global coordinate location.  C     xG, yG - Global coordinate location.
 C     zG  
51  C     xBase  - South-west corner location for process.  C     xBase  - South-west corner location for process.
52  C     yBase  C     yBase
53  C     zUpper - Work arrays for upper and lower  C     zUpper - Work arrays for upper and lower
# Line 61  C     bi,bj  - Loop counters Line 61  C     bi,bj  - Loop counters
61  C     zUpper - Temporary arrays holding z coordinates of  C     zUpper - Temporary arrays holding z coordinates of
62  C     zLower   upper and lower faces.  C     zLower   upper and lower faces.
63  C     I,J,K  C     I,J,K
64        _RL    xG, yG, zG        _RL    xGloc, yGloc
       _RL    phi  
       _RL    zUpper(Nz), zLower(Nz)  
65        _RL    xBase, yBase        _RL    xBase, yBase
66        INTEGER iG, jG        INTEGER iG, jG
67        INTEGER bi, bj        INTEGER bi, bj
68        INTEGER  I,  J, K        INTEGER  I,  J
69    
70  C--   Simple example of inialisation on cartesian grid  C--   Simple example of inialisation on cartesian grid
71  C--   First set coordinates of cell centers  C--   First set coordinates of cell centers
# Line 89  C     Set up my local grid first Line 87  C     Set up my local grid first
87          DO j=1,jG-1          DO j=1,jG-1
88           yBase = yBase + delY(j)           yBase = yBase + delY(j)
89          ENDDO          ENDDO
90          yG = yBase          yGloc = yBase
91          DO J=1,sNy          DO J=1,sNy
92           xG = xBase           xGloc = xBase
93           DO I=1,sNx           DO I=1,sNx
94            xc(I,J,bi,bj)  = xG + delX(iG+i-1)*0.5 _d 0            xG(I,J,bi,bj)  = xGloc
95            yc(I,J,bi,bj)  = yG + delY(jG+j-1)*0.5 _d 0            yG(I,J,bi,bj)  = yGloc
96            xG = xG + delX(iG+I-1)            xc(I,J,bi,bj)  = xGloc + delX(iG+i-1)*0.5 _d 0
97              yc(I,J,bi,bj)  = yGloc + delY(jG+j-1)*0.5 _d 0
98              xGloc = xGloc + delX(iG+I-1)
99            dxF(I,J,bi,bj) = delX(iG+i-1)            dxF(I,J,bi,bj) = delX(iG+i-1)
100            dyF(I,J,bi,bj) = delY(jG+j-1)            dyF(I,J,bi,bj) = delY(jG+j-1)
101           ENDDO           ENDDO
102           yG = yG + delY(jG+J-1)           yGloc = yGloc + delY(jG+J-1)
103          ENDDO          ENDDO
104         ENDDO         ENDDO
105        ENDDO        ENDDO
# Line 143  C     dxC, dyC is separation between cel Line 143  C     dxC, dyC is separation between cel
143         DO bi = myBxLo(myThid), myBxHi(myThid)         DO bi = myBxLo(myThid), myBxHi(myThid)
144          DO J=1,sNy          DO J=1,sNy
145           DO I=1,sNx           DO I=1,sNx
146            dxC(I,J,bi,bj)    = (dxF(I,J,bi,bj)+dxF(I-1,J,bi,bj))*0.5 D0            dxC(I,J,bi,bj)    = (dxF(I,J,bi,bj)+dxF(I-1,J,bi,bj))*0.5 _d 0
147            dyC(I,J,bi,bj)    = (dyF(I,J,bi,bj)+dyF(I,J-1,bi,bj))*0.5 D0            dyC(I,J,bi,bj)    = (dyF(I,J,bi,bj)+dyF(I,J-1,bi,bj))*0.5 _d 0
148           ENDDO           ENDDO
149          ENDDO          ENDDO
150         ENDDO         ENDDO
# Line 156  C     Calculate vertical face area Line 156  C     Calculate vertical face area
156         DO bi = myBxLo(myThid), myBxHi(myThid)         DO bi = myBxLo(myThid), myBxHi(myThid)
157          DO J=1,sNy          DO J=1,sNy
158           DO I=1,sNx           DO I=1,sNx
159            zA(I,J,bi,bj) = dxF(I,J,bi,bj)*dyF(I,J,bi,bj)            rA (I,J,bi,bj) = dxF(I,J,bi,bj)*dyF(I,J,bi,bj)
160              rAw(I,J,bi,bj) = dxC(I,J,bi,bj)*dyG(I,J,bi,bj)
161              rAs(I,J,bi,bj) = dxG(I,J,bi,bj)*dyC(I,J,bi,bj)
162              rAz(I,J,bi,bj) = dxV(I,J,bi,bj)*dyU(I,J,bi,bj)
163            tanPhiAtU(I,J,bi,bj) = 0. _d 0            tanPhiAtU(I,J,bi,bj) = 0. _d 0
164            tanPhiAtV(I,J,bi,bj) = 0. _d 0            tanPhiAtV(I,J,bi,bj) = 0. _d 0
165           ENDDO           ENDDO
166          ENDDO          ENDDO
167         ENDDO         ENDDO
168        ENDDO        ENDDO
169        _EXCH_XY_R4 (zA       , myThid )        _EXCH_XY_R4 (rA       , myThid )
170          _EXCH_XY_R4 (rAw      , myThid )
171          _EXCH_XY_R4 (rAs      , myThid )
172        _EXCH_XY_R4 (tanPhiAtU , myThid )        _EXCH_XY_R4 (tanPhiAtU , myThid )
173        _EXCH_XY_R4 (tanPhiAtV , myThid )        _EXCH_XY_R4 (tanPhiAtV , myThid )
174    
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