/[MITgcm]/MITgcm/verification/solid-body.cs-32x32x1/code/ini_vel.F
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Revision 1.3 - (show annotations) (download)
Tue Apr 28 18:06:15 2009 UTC (11 years, 1 month ago) by jmc
Branch: MAIN
CVS Tags: checkpoint65z, checkpoint65x, checkpoint65y, checkpoint65r, checkpoint65s, checkpoint65p, checkpoint65q, checkpoint65v, checkpoint65w, checkpoint65t, checkpoint65u, checkpoint65j, checkpoint65k, checkpoint65h, checkpoint65i, checkpoint65n, checkpoint65l, checkpoint65m, checkpoint65b, checkpoint65c, checkpoint65a, checkpoint65f, checkpoint65g, checkpoint65d, checkpoint65e, checkpoint62c, checkpoint62a, checkpoint62g, checkpoint62f, checkpoint62e, checkpoint62d, checkpoint62k, checkpoint62j, checkpoint62i, checkpoint62h, checkpoint62o, checkpoint62n, checkpoint62m, checkpoint62l, checkpoint62s, checkpoint62r, checkpoint62q, checkpoint62p, checkpoint62w, checkpoint62v, checkpoint62u, checkpoint62t, checkpoint62z, checkpoint62y, checkpoint62x, checkpoint64, checkpoint65, checkpoint62, checkpoint63, checkpoint66g, checkpoint66f, checkpoint66e, checkpoint66d, checkpoint66c, checkpoint66b, checkpoint66a, checkpoint66o, checkpoint66n, checkpoint66m, checkpoint66l, checkpoint66k, checkpoint66j, checkpoint66i, checkpoint66h, checkpoint63p, checkpoint63q, checkpoint63r, checkpoint63s, checkpoint63l, checkpoint63m, checkpoint63n, checkpoint63o, checkpoint63h, checkpoint63i, checkpoint63j, checkpoint63k, checkpoint63d, checkpoint63e, checkpoint63f, checkpoint63g, checkpoint63a, checkpoint63b, checkpoint63c, checkpoint65o, checkpoint62b, checkpoint64y, checkpoint64x, checkpoint64z, checkpoint64q, checkpoint64p, checkpoint64s, checkpoint64r, checkpoint64u, checkpoint64t, checkpoint64w, checkpoint64v, checkpoint64i, checkpoint64h, checkpoint64k, checkpoint64j, checkpoint64m, checkpoint64l, checkpoint64o, checkpoint64n, checkpoint64a, checkpoint64c, checkpoint64b, checkpoint64e, checkpoint64d, checkpoint64g, checkpoint64f, checkpoint61n, checkpoint61q, checkpoint61z, checkpoint61o, checkpoint61m, checkpoint61v, checkpoint61w, checkpoint61t, checkpoint61u, checkpoint61r, checkpoint61s, checkpoint61p, checkpoint61x, checkpoint61y, HEAD
Changes since 1.2: +3 -3 lines
change macros (EXCH & GLOBAL_SUM/MAX) sufix _R4/_R8 to _RS/_RL
 when applied to _RS/_RL variable

1 C $Header: /u/gcmpack/MITgcm/verification/solid-body.cs-32x32x1/code/ini_vel.F,v 1.2 2003/02/11 04:02:24 jmc Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: INI_VEL
8 C !INTERFACE:
9 SUBROUTINE INI_VEL( myThid )
10
11 C !DESCRIPTION: \bv
12 C *=================================================================
13 C | SUBROUTINE INI_VEL
14 C | o Initialize flow field (either to zero or from input files)
15 C *=================================================================
16 C \ev
17
18 C !USES:
19 IMPLICIT NONE
20 C === Global variables ===
21 #include "SIZE.h"
22 #include "EEPARAMS.h"
23 #include "PARAMS.h"
24 #include "GRID.h"
25 #include "DYNVARS.h"
26
27 C !INPUT/OUTPUT PARAMETERS:
28 C == Routine arguments ==
29 C myThid - Number of this instance of INI_VEL
30 INTEGER myThid
31
32 C == Local variables ==
33 C bi,bj,i,j,k - Loop counters
34 INTEGER bi,bj,i,j,k
35 INTEGER ip1,jp1
36 _RL psi,omegaprime,fac
37
38 psi(i,j,bi,bj)=fac*fCoriG(i,j,bi,bj)
39
40 C-- Initialise velocity fields to zero
41 C
42 C If you want to specify an analytic initial state for the flow
43 C field then customize the following section of code.
44 C It is, however, often easier to generate initial conditions
45 C off-line and read them from input files...
46 C
47 omegaprime=38.60328935834681d0/rSphere
48 fac=-(rSphere**2)*omegaprime/(2.d0*Omega)
49 DO bj = myByLo(myThid), myByHi(myThid)
50 DO bi = myBxLo(myThid), myBxHi(myThid)
51 DO k=1,Nr
52 DO j=1-Oly,sNy+Oly
53 jp1=MIN(j+1,sNy+Oly)
54 DO i=1-Olx,sNx+Olx
55 ip1=MIN(i+1,sNx+Olx)
56 uVel(i,j,k,bi,bj)=0.
57 & +(psi(i,j,bi,bj)-psi(i,jp1,bi,bj))*recip_dyg(i,j,bi,bj)
58 vVel(i,j,k,bi,bj)=0.
59 & +(psi(ip1,j,bi,bj)-psi(i,j,bi,bj))*recip_dxg(i,j,bi,bj)
60 wVel(i,j,k,bi,bj)=0.
61 ENDDO
62 ENDDO
63 ENDDO
64 ENDDO
65 ENDDO
66
67 C Read an initial state for each component if required
68 IF (uVelInitFile .NE. ' ') THEN
69 _BEGIN_MASTER( myThid )
70 CALL READ_FLD_XYZ_RL( uVelInitFile, ' ', uVel, 0, myThid )
71 _END_MASTER(myThid)
72 c _EXCH_XYZ_RL(uVel , myThid )
73 ENDIF
74
75 IF (vVelInitFile .NE. ' ') THEN
76 _BEGIN_MASTER( myThid )
77 CALL READ_FLD_XYZ_RL( vVelInitFile, ' ', vVel, 0, myThid )
78 _END_MASTER(myThid)
79 c _EXCH_XYZ_RL(vVel , myThid )
80 ENDIF
81
82 c IF (uVelInitFile .NE. ' ' .OR. vVelInitFile .NE. ' ') THEN
83 CALL EXCH_UV_XYZ_RL(uVel,vVel,.TRUE.,myThid)
84 c ENDIF
85
86 DO bj = myByLo(myThid), myByHi(myThid)
87 DO bi = myBxLo(myThid), myBxHi(myThid)
88 DO k=1,Nr
89 DO j=1-Oly,sNy+Oly
90 DO i=1-Olx,sNx+Olx
91 uVel(i,j,k,bi,bj)=uVel(i,j,k,bi,bj)*_maskW(i,j,k,bi,bj)
92 vVel(i,j,k,bi,bj)=vVel(i,j,k,bi,bj)*_maskS(i,j,k,bi,bj)
93 ENDDO
94 ENDDO
95 ENDDO
96 ENDDO
97 ENDDO
98
99 RETURN
100 END

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