/[MITgcm]/MITgcm/model/src/solve_for_pressure.F
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Annotation of /MITgcm/model/src/solve_for_pressure.F

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Revision 1.5 - (hide annotations) (download)
Tue Jun 9 15:58:36 1998 UTC (25 years, 11 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint11, checkpoint10, checkpoint13, checkpoint15, checkpoint14, checkpoint7, checkpoint9, checkpoint8, checkpoint12, branch-point-rdot
Branch point for: checkpoint7-4degree-ref, branch-rdot
Changes since 1.4: +2 -2 lines
Various corrections:
 o do_gterm_blocking..() is fixed to work with new time-stepping
 o CPP_OPTIONS.h now contains #define ALLOW_CD

1 adcroft 1.5 C $Header: /u/gcmpack/models/MITgcmUV/model/src/solve_for_pressure.F,v 1.4 1998/06/08 21:43:02 cnh Exp $
2 cnh 1.1
3 adcroft 1.5 #include "CPP_OPTIONS.h"
4 cnh 1.1
5     CStartOfInterface
6     SUBROUTINE SOLVE_FOR_PRESSURE( myThid )
7     C /==========================================================\
8     C | SUBROUTINE SOLVE_FOR_PRESSURE |
9     C | o Controls inversion of two and/or three-dimensional |
10     C | elliptic problems for the pressure field. |
11     C \==========================================================/
12    
13 cnh 1.4 C == Global variables
14     #include "SIZE.h"
15     #include "EEPARAMS.h"
16     #include "PARAMS.h"
17     #include "DYNVARS.h"
18     #include "CG2D.h"
19    
20 cnh 1.1 C == Routine arguments ==
21     C myThid - Number of this instance of SOLVE_FOR_PRESSURE
22     INTEGER myThid
23     CEndOfInterface
24 cnh 1.4
25     C Local variables
26     INTEGER i,j,bi,bj
27    
28     #ifdef ALLOW_CD
29     C-- Save previous solution.
30     DO bj=myByLo(myThid),myByHi(myThid)
31     DO bi=myBxLo(myThid),myBxHi(myThid)
32     DO j=1-OLy,sNy+OLy
33     DO i=1-OLx,sNx+OLx
34     cg2d_xNM1(i,j,bi,bj) = cg2d_x(i,j,bi,bj)
35     ENDDO
36     ENDDO
37     ENDDO
38     ENDDO
39     #endif
40 cnh 1.1
41     C-- Find the surface pressure using a two-dimensional conjugate
42     C-- gradient solver.
43     C see CG2D.h for the interface to this routine.
44     CALL CG2D(
45     I myThid )
46    
47     C-- Solve for a three-dimensional pressure term (NH or IGW or both ).
48     C see CG3D.h for the interface to this routine.
49     C*P* CALL CG3D(
50     C*P* I myThid )
51    
52     RETURN
53     END

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