1 |
C $Header: /u/gcmpack/MITgcm/model/src/ini_vertical_grid.F,v 1.12 2001/09/26 18:09:16 cnh Exp $ |
2 |
C $Name: $ |
3 |
|
4 |
#include "CPP_OPTIONS.h" |
5 |
|
6 |
CBOP |
7 |
C !ROUTINE: INI_VERTICAL_GRID |
8 |
C !INTERFACE: |
9 |
SUBROUTINE INI_VERTICAL_GRID( myThid ) |
10 |
C !DESCRIPTION: \bv |
11 |
C *==========================================================* |
12 |
C | SUBROUTINE INI_VERTICAL_GRID |
13 |
C | o Initialise vertical gridding arrays |
14 |
C *==========================================================* |
15 |
C \ev |
16 |
|
17 |
C !USES: |
18 |
IMPLICIT NONE |
19 |
C === Global variables === |
20 |
#include "SIZE.h" |
21 |
#include "EEPARAMS.h" |
22 |
#include "PARAMS.h" |
23 |
#include "GRID.h" |
24 |
|
25 |
C !INPUT/OUTPUT PARAMETERS: |
26 |
C == Routine arguments == |
27 |
C myThid - Number of this instance of INI_DEPTHS |
28 |
INTEGER myThid |
29 |
|
30 |
C !LOCAL VARIABLES: |
31 |
C == Local variables == |
32 |
C K :: loop index |
33 |
C msgBuf :: Informational/error meesage buffer |
34 |
INTEGER K |
35 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
36 |
CEOP |
37 |
|
38 |
IF (setCenterDr) THEN |
39 |
C-- Interface at middle between 2 centers : |
40 |
|
41 |
C- Check that all thickness are > 0 : |
42 |
DO K=1,Nr+1 |
43 |
IF (delRc(K).LE.0.) THEN |
44 |
WRITE(msgBuf,'(A,I4,A,E16.8)') |
45 |
& 'S/R INI_VERTICAL_GRID: delRc(K=',K,' )=',delRc(K) |
46 |
CALL PRINT_ERROR( msgBuf , 1) |
47 |
WRITE(msgBuf,'(A)') |
48 |
& 'S/R INI_VERTICAL_GRID: Vert. grid spacing MUST BE > 0' |
49 |
CALL PRINT_ERROR( msgBuf , 1) |
50 |
STOP 'ABNORMAL END: S/R INI_VERTICAL_GRID' |
51 |
ENDIF |
52 |
ENDDO |
53 |
|
54 |
C- Calculate depths of centers and interfaces |
55 |
rF(1) = Ro_SeaLevel |
56 |
rC(1) = rF(1) - rkFac*delRc(1) |
57 |
drC(1) = delRc(1) |
58 |
drF(1) = delRc(1) |
59 |
DO K=2,Nr |
60 |
drC(K) = delRc(K) |
61 |
drF(K-1) = drF(K-1) + 0.5 _d 0*delRc(K) |
62 |
drF(K) = 0.5 _d 0*delRc(K) |
63 |
rC(K) = rC(K-1) - rkFac*drC(K) |
64 |
rF(K) = rF(K-1) - rkFac*drF(K-1) |
65 |
ENDDO |
66 |
drF(Nr) = drF(Nr) + delRc(Nr+1) |
67 |
rF(Nr+1) = rF(Nr) - rkFac*drF(Nr) |
68 |
|
69 |
ELSE |
70 |
C-- Center at middle between 2 interfaces : |
71 |
|
72 |
C- Check that all thickness are > 0 : |
73 |
DO K=1,Nr |
74 |
IF (delR(K).LE.0.) THEN |
75 |
WRITE(msgBuf,'(A,I4,A,E16.8)') |
76 |
& 'S/R INI_VERTICAL_GRID: delR(K=',K,' )=',delR(K) |
77 |
CALL PRINT_ERROR( msgBuf , 1) |
78 |
WRITE(msgBuf,'(A)') |
79 |
& 'S/R INI_VERTICAL_GRID: Vert. grid spacing MUST BE > 0' |
80 |
CALL PRINT_ERROR( msgBuf , 1) |
81 |
STOP 'ABNORMAL END: S/R INI_VERTICAL_GRID' |
82 |
ENDIF |
83 |
ENDDO |
84 |
|
85 |
C- Calculate depths of interfaces and centers |
86 |
rF(1) = Ro_SeaLevel |
87 |
DO K=1,Nr |
88 |
drF(K) = delR(K) |
89 |
rF(K+1) = rF(K)-rkFac*delR(K) |
90 |
ENDDO |
91 |
drC(1) = delR(1) * 0.5 _d 0 |
92 |
rC(1) = rf(1)-rkFac*delR(1) * 0.5 _d 0 |
93 |
DO K=2,Nr |
94 |
drC(K) = 0.5 _d 0 *(delR(K-1)+delR(K)) |
95 |
rC(K) = rC(K-1) - rkFac*drC(K) |
96 |
ENDDO |
97 |
|
98 |
C-- |
99 |
ENDIF |
100 |
|
101 |
C- Calculate reciprol vertical grid spacing : |
102 |
DO K=1,Nr |
103 |
saFac(K) = 1. _d 0 |
104 |
recip_drC(K) = 1. _d 0/drC(K) |
105 |
recip_drF(K) = 1. _d 0/drF(K) |
106 |
ENDDO |
107 |
|
108 |
RETURN |
109 |
END |