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cnh |
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C $Header: /u/gcmpack/models/MITgcmUV/model/src/ini_vel.F,v 1.4 2001/08/28 12:58:10 adcroft Exp $ |
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adcroft |
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C $Name: $ |
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adcroft |
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#include "CPP_OPTIONS.h" |
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cnh |
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CBOP |
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C !ROUTINE: INI_VEL |
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C !INTERFACE: |
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adcroft |
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SUBROUTINE INI_VEL( myThid ) |
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cnh |
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C !DESCRIPTION: \bv |
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C *================================================================= |
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C | SUBROUTINE INI_VEL |
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C | o Initialize 3D flow field (either to zero or from input files) |
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C *================================================================= |
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C \ev |
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adcroft |
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cnh |
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C !USES: |
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IMPLICIT NONE |
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adcroft |
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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cnh |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C myThid - Number of this instance of INI_UVEL |
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INTEGER myThid |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C bi,bj,i,j,k - Loop counters |
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INTEGER bi,bj,i,j,k |
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cnh |
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CEOP |
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adcroft |
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C-- Initialise velocity fields to zero |
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C |
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C If you want to specify an analytic initial state for the flow |
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C field then customize the following section of code. |
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C It is, however, often easier to generate initial conditions |
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C off-line and read them from input files... |
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C |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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heimbach |
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uVel(i,j,k,bi,bj)=0. _d 0 |
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vVel(i,j,k,bi,bj)=0. _d 0 |
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wVel(i,j,k,bi,bj)=0. _d 0 |
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adcroft |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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C Read an initial state for each component if required |
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IF (uVelInitFile .NE. ' ') THEN |
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_BEGIN_MASTER( myThid ) |
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CALL READ_FLD_XYZ_RL( uVelInitFile, ' ', uVel, 0, myThid ) |
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_END_MASTER(myThid) |
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c _EXCH_XYZ_R8(uVel , myThid ) |
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ENDIF |
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IF (vVelInitFile .NE. ' ') THEN |
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_BEGIN_MASTER( myThid ) |
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CALL READ_FLD_XYZ_RL( vVelInitFile, ' ', vVel, 0, myThid ) |
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_END_MASTER(myThid) |
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c _EXCH_XYZ_R8(vVel , myThid ) |
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ENDIF |
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adcroft |
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c IF (uVelInitFile .NE. ' ' .OR. vVelInitFile .NE. ' ') THEN |
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CALL EXCH_UV_XYZ_RL(uVel,vVel,.TRUE.,myThid) |
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_EXCH_XYZ_R8(wVel,myThid) |
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c ENDIF |
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adcroft |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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uVel(i,j,k,bi,bj)=uVel(i,j,k,bi,bj)*_maskW(i,j,k,bi,bj) |
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vVel(i,j,k,bi,bj)=vVel(i,j,k,bi,bj)*_maskS(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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CALL INTEGRATE_FOR_W( |
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I bi, bj, k, uVel, vVel, |
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O wVel, |
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I myThid ) |
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ENDDO |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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