/[MITgcm]/MITgcm/verification/advect_xz/code/ini_vel.F
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Contents of /MITgcm/verification/advect_xz/code/ini_vel.F

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Revision 1.1 - (show annotations) (download)
Fri Sep 28 02:28:10 2001 UTC (22 years, 6 months ago) by adcroft
Branch: MAIN
CVS Tags: checkpoint46b_post, checkpoint48f_post, checkpoint46k_post, checkpoint47j_post, checkpoint48d_pre, branch-exfmods-tag, checkpoint47e_post, checkpoint44h_pre, checkpoint47i_post, checkpoint48i_post, release1_p12, release1_p13, release1_p10, release1_p16, release1_p15, release1_p11, checkpoint47f_post, checkpoint48d_post, checkpoint46j_post, checkpoint47c_post, checkpoint50e_post, checkpoint50c_post, checkpoint47d_post, checkpoint44e_post, checkpoint44f_pre, checkpoint47a_post, checkpoint46c_post, checkpoint46f_post, checkpoint46l_pre, checkpoint46a_post, checkpoint48a_post, checkpoint46n_post, release1_beta1, checkpoint46d_pre, checkpoint48e_post, checkpoint46e_post, checkpoint48h_post, checkpoint50c_pre, release1-branch_tutorials, release1_p14, checkpoint44g_post, checkpoint46h_pre, checkpoint44h_post, checkpoint46l_post, checkpoint46e_pre, checkpoint43a-release1mods, checkpoint50d_pre, checkpoint45d_post, checkpoint46j_pre, checkpoint45b_post, checkpoint46b_pre, checkpoint47h_post, checkpoint48c_post, chkpt44a_pre, release1-branch-end, release1_final_v1, checkpoint46, checkpoint44, checkpoint45, checkpoint48, checkpoint49, checkpoint44f_post, checkpoint47b_post, checkpoint48g_post, release1_p17, release1_b1, checkpoint44b_post, chkpt44d_post, checkpoint50, release1_p8, release1_p9, checkpoint50d_post, checkpoint46m_post, checkpoint46g_pre, release1_p2, release1_p3, release1_p4, release1_p6, checkpoint47g_post, chkpt44a_post, checkpoint44b_pre, release1_p1, checkpoint46a_pre, checkpoint45c_post, release1_p5, checkpoint44e_pre, chkpt44c_pre, release1_p7, checkpoint46d_post, checkpoint48b_post, checkpoint50b_post, checkpoint46g_post, release1_p13_pre, release1_p12_pre, checkpoint45a_post, checkpoint50a_post, checkpoint46c_pre, checkpoint43, checkpoint47d_pre, checkpoint48c_pre, release1-branch_branchpoint, checkpoint46i_post, checkpoint47, chkpt44c_post, checkpoint46h_post, checkpoint50e_pre, release1_chkpt44d_post, checkpoint50b_pre
Branch point for: release1_coupled, release1_final, release1-branch, release1, release1_50yr, branch-exfmods-curt
Adding test of advection schemes with lopped cells. 2-D x-z

1 C $Header: /u/gcmpack/models/MITgcmUV/model/src/Attic/ini_vel.F,v 1.1.2.2 2001/04/09 19:15:33 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
26 _RL psi,Lfac,Rpi
27 psi(i,j,k,bi,bj)=Lfac*sin(XG(i,j,bi,bj)*Rpi/Lfac)
28 & *sin( max(RF(k),R_low(i,j,bi,bj))*Rpi*recip_Rcol(i,j,bi,bj))
29
30 Rpi=3.14159265358979
31 Lfac=(DELX(1)*float(Nx))
32
33
34 C-- Initialise velocity fields to zero
35 C
36 C If you want to specify an analytic initial state for the flow
37 C field then customize the following section of code.
38 C It is, however, often easier to generate initial conditions
39 C off-line and read them from input files...
40 C
41 DO bj = myByLo(myThid), myByHi(myThid)
42 DO bi = myBxLo(myThid), myBxHi(myThid)
43 DO k=1,Nr
44 DO j=1-Oly,sNy+Oly
45 DO i=1-Olx,sNx+Olx
46 uVel (I,J,K,bi,bj) = 0. _d 0
47 & + (psi(I,J,K,bi,bj)-psi(I,J,K+1,bi,bj))*recip_dRF(k)
48 & *recip_hFacW(i,j,k,bi,bj)
49
50 vVel(i,j,k,bi,bj)=0.
51 wVel(i,j,k,bi,bj)=0.
52 ENDDO
53 ENDDO
54 ENDDO
55 ENDDO
56 ENDDO
57
58 C Read an initial state for each component if required
59 IF (uVelInitFile .NE. ' ') THEN
60 _BEGIN_MASTER( myThid )
61 CALL READ_FLD_XYZ_RL( uVelInitFile, ' ', uVel, 0, myThid )
62 _END_MASTER(myThid)
63 c _EXCH_XYZ_R8(uVel , myThid )
64 ENDIF
65
66 IF (vVelInitFile .NE. ' ') THEN
67 _BEGIN_MASTER( myThid )
68 CALL READ_FLD_XYZ_RL( vVelInitFile, ' ', vVel, 0, myThid )
69 _END_MASTER(myThid)
70 c _EXCH_XYZ_R8(vVel , myThid )
71 ENDIF
72
73 DO bj = myByLo(myThid), myByHi(myThid)
74 DO bi = myBxLo(myThid), myBxHi(myThid)
75 DO k=1,Nr
76 DO j=1-Oly,sNy+Oly
77 DO i=1-Olx,sNx+Olx
78 uVel(i,j,k,bi,bj)=uVel(i,j,k,bi,bj)*_maskW(i,j,k,bi,bj)
79 vVel(i,j,k,bi,bj)=vVel(i,j,k,bi,bj)*_maskS(i,j,k,bi,bj)
80 ENDDO
81 ENDDO
82 CALL INTEGRATE_FOR_W(
83 I bi, bj, k, uVel, vVel,
84 O wVel,
85 I myThid )
86 ENDDO
87 ENDDO
88 ENDDO
89
90 c IF (uVelInitFile .NE. ' ' .OR. vVelInitFile .NE. ' ') THEN
91 CALL EXCH_UV_XYZ_RL(uVel,vVel,.TRUE.,myThid)
92 _EXCH_XYZ_R8(wVel,myThid)
93 c ENDIF
94
95 RETURN
96 END

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