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adcroft |
1.1.2.2 |
C $Header: /u/gcmpack/models/MITgcmUV/pkg/mom_fluxform/Attic/mom_calc_ke.F,v 1.1.2.1 2001/03/28 19:51:14 adcroft Exp $ |
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adcroft |
1.1.2.1 |
C $Name: $ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE MOM_CALC_KE( |
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I bi,bj,k, |
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I uFld, vFld, |
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O KE, |
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I myThid) |
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IMPLICIT NONE |
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C |
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C Calculate Kinetic Energy, KE, with units (m/s)^2 |
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C - assumes hydrostatic formulation only |
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C |
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C == Global variables == |
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#include "SIZE.h" |
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#include "GRID.h" |
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C == Routine arguments == |
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INTEGER bi,bj,k |
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_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL KE(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER myThid |
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C == Local variables == |
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INTEGER I,J |
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DO J=1-OLy,sNy+OLy-1 |
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DO I=1-OLx,sNx+OLx-1 |
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adcroft |
1.1.2.2 |
C This defn of KE should not ever be used. Just to let you know. |
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adcroft |
1.1.2.1 |
C 2 2 |
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C 1 / ___I ___J \ |
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C KE = --- | U + V | |
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C 2 \ / |
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C |
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c KE(i,j) = 0.125*( |
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c & ( uFld(i,j)+uFld(i+1, j ) )**2 |
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c & +( vFld(i,j)+vFld( i ,j+1) )**2 ) |
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adcroft |
1.1.2.2 |
C This defn of KE should be used for the vector invariant equations. |
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adcroft |
1.1.2.1 |
C _____I _____J |
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C 1 / 2 2 \ |
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C KE = --- | U + V | |
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C 2 \ / |
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C |
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c KE(i,j) = 0.25*( |
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adcroft |
1.1.2.2 |
c & uFld( i , j )*uFld( i , j ) |
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c & +uFld(i+1, j )*uFld(i+1, j ) |
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c & +vFld( i , j )*vFld( i , j ) |
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c & +vFld( i ,j+1)*vFld( i ,j+1) ) |
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C As above but including the lopping factors and should be used |
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C for the conservative form of the momentum equations. |
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KE(i,j) = 0.25*( |
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& uFld( i , j )*uFld( i , j )*hFacW(i,j,k,bi,bj) |
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& +uFld(i+1, j )*uFld(i+1, j )*hFacW(i+1,j,k,bi,bj) |
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& +vFld( i , j )*vFld( i , j )*hFacS(i,j,k,bi,bj) |
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& +vFld( i ,j+1)*vFld( i ,j+1)*hFacS(i,j+1,k,bi,bj) |
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& ) |
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& *recip_hFacC(i,j,k,bi,bj) |
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adcroft |
1.1.2.1 |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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