/[MITgcm]/MITgcm/verification/solid-body.cs-32x32x1/code/ini_vel.F
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Contents of /MITgcm/verification/solid-body.cs-32x32x1/code/ini_vel.F

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Revision 1.1 - (show annotations) (download)
Tue Jul 31 18:30:55 2001 UTC (20 years, 4 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint46n_post, checkpoint47e_post, checkpoint46l_post, checkpoint46g_pre, checkpoint47c_post, release1_p13_pre, checkpoint46f_post, checkpoint44f_post, checkpoint46b_post, checkpoint43a-release1mods, release1_p13, checkpoint40pre9, checkpoint40pre8, checkpoint46l_pre, chkpt44d_post, release1_p8, release1_p9, release1_p1, release1_p2, release1_p3, release1_p4, release1_p5, release1_p6, release1_p7, checkpoint44e_pre, release1_b1, checkpoint48b_post, checkpoint43, checkpoint48c_pre, checkpoint47d_pre, release1_chkpt44d_post, checkpoint47a_post, checkpoint48d_pre, checkpoint47i_post, checkpoint47d_post, checkpoint46d_pre, checkpoint48d_post, release1-branch_tutorials, checkpoint45d_post, checkpoint46j_pre, chkpt44a_post, checkpoint44h_pre, checkpoint46a_post, checkpoint47g_post, checkpoint46j_post, checkpoint46k_post, checkpoint46b_pre, chkpt44c_pre, checkpoint48a_post, checkpoint45a_post, checkpoint44e_post, release1_p12, release1_p10, release1_p11, release1_p16, release1_p17, release1_p14, release1_p15, checkpoint47j_post, branch-exfmods-tag, checkpoint44g_post, checkpoint46e_pre, checkpoint48c_post, checkpoint45b_post, release1-branch-end, release1_final_v1, checkpoint46c_pre, checkpoint46, checkpoint47b_post, checkpoint44b_post, checkpoint46h_pre, checkpoint46m_post, checkpoint46a_pre, checkpoint45c_post, checkpoint44h_post, checkpoint46g_post, release1_p12_pre, checkpoint40pre5, checkpoint47f_post, chkpt44a_pre, checkpoint46i_post, checkpoint46c_post, checkpoint46e_post, release1_beta1, checkpoint44b_pre, checkpoint42, checkpoint40, checkpoint41, checkpoint47, checkpoint44, checkpoint45, checkpoint48, checkpoint46h_post, chkpt44c_post, checkpoint47h_post, checkpoint44f_pre, checkpoint46d_post, release1-branch_branchpoint
Branch point for: branch-exfmods-curt, release1_final, release1-branch, release1, release1_50yr, release1_coupled
Solid-body rotation test (Williamson JCP '92: tests 1 & 2)

1 C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_vel.F,v 1.2 2001/05/29 14:01:37 adcroft Exp $
2 C $Name: $
3
4 #include "CPP_OPTIONS.h"
5
6 SUBROUTINE INI_VEL( myThid )
7 IMPLICIT NONE
8
9 C Initialize 3D flow field (either to zero or from input files)
10
11 C === Global variables ===
12 #include "SIZE.h"
13 #include "EEPARAMS.h"
14 #include "PARAMS.h"
15 #include "GRID.h"
16 #include "DYNVARS.h"
17
18 C == Routine arguments ==
19 C myThid - Number of this instance of INI_UVEL
20 INTEGER myThid
21
22 C == Local variables ==
23 C bi,bj,i,j,k - Loop counters
24 INTEGER bi,bj,i,j,k
25 _RL psi,omegaprime,fac
26
27 psi(i,j,bi,bj)=fac*fCoriG(i,j,bi,bj)
28
29 C-- Initialise velocity fields to zero
30 C
31 C If you want to specify an analytic initial state for the flow
32 C field then customize the following section of code.
33 C It is, however, often easier to generate initial conditions
34 C off-line and read them from input files...
35 C
36 omegaprime=38.60328935834681d0/rSphere
37 fac=-(rSphere**2)*omegaprime/(2.d0*Omega)
38 DO bj = myByLo(myThid), myByHi(myThid)
39 DO bi = myBxLo(myThid), myBxHi(myThid)
40 DO k=1,Nr
41 DO j=1-Oly,sNy+Oly
42 DO i=1-Olx,sNx+Olx
43 uVel(i,j,k,bi,bj)=0.
44 & +(psi(i,j,bi,bj)-psi(i,j+1,bi,bj))*recip_dyg(i,j,bi,bj)
45 vVel(i,j,k,bi,bj)=0.
46 & +(psi(i+1,j,bi,bj)-psi(i,j,bi,bj))*recip_dxg(i,j,bi,bj)
47 wVel(i,j,k,bi,bj)=0.
48 ENDDO
49 ENDDO
50 ENDDO
51 ENDDO
52 ENDDO
53
54 C Read an initial state for each component if required
55 IF (uVelInitFile .NE. ' ') THEN
56 _BEGIN_MASTER( myThid )
57 CALL READ_FLD_XYZ_RL( uVelInitFile, ' ', uVel, 0, myThid )
58 _END_MASTER(myThid)
59 c _EXCH_XYZ_R8(uVel , myThid )
60 ENDIF
61
62 IF (vVelInitFile .NE. ' ') THEN
63 _BEGIN_MASTER( myThid )
64 CALL READ_FLD_XYZ_RL( vVelInitFile, ' ', vVel, 0, myThid )
65 _END_MASTER(myThid)
66 c _EXCH_XYZ_R8(vVel , myThid )
67 ENDIF
68
69 DO bj = myByLo(myThid), myByHi(myThid)
70 DO bi = myBxLo(myThid), myBxHi(myThid)
71 DO k=1,Nr
72 DO j=1-Oly,sNy+Oly
73 DO i=1-Olx,sNx+Olx
74 uVel(i,j,k,bi,bj)=uVel(i,j,k,bi,bj)*_maskW(i,j,k,bi,bj)
75 vVel(i,j,k,bi,bj)=vVel(i,j,k,bi,bj)*_maskS(i,j,k,bi,bj)
76 ENDDO
77 ENDDO
78 CALL INTEGRATE_FOR_W(
79 I bi, bj, k, uVel, vVel,
80 O wVel,
81 I myThid )
82 ENDDO
83 ENDDO
84 ENDDO
85
86 c IF (uVelInitFile .NE. ' ' .OR. vVelInitFile .NE. ' ') THEN
87 CALL EXCH_UV_XYZ_RL(uVel,vVel,.TRUE.,myThid)
88 _EXCH_XYZ_R8(wVel,myThid)
89 c ENDIF
90
91 RETURN
92 END

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