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addamp_adj.F
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addamp_adj.F
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C $Header: /u/gcmpack/MITgcm/pkg/autodiff/addamp_adj.F,v 1.2 2012/08/12 18:49:09 jmc Exp $
C $Name: $
#include "AUTODIFF_OPTIONS.h"
CBOP
C !ROUTINE: ADDAMP_ADJ
C !INTERFACE:
SUBROUTINE ADDAMP_ADJ(
I NrIn, minRef, maxRef, timeDamp,
I fieldRef,
U adfieldDamp,
I myThid )
C !DESCRIPTION: \bv
C *==========================================================*
C | author: Gael Forget
C *==========================================================*
C \ev
C !USES:
IMPLICIT NONE
C === Global variables ===
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
C !INPUT/OUTPUT PARAMETERS:
C myThid :: my Thread Id number
INTEGER NrIn, myThid
_RL minRef,maxRef,timeDamp
_RL fieldRef(1-OLx:sNx+OLx,1-OLy:sNy+OLy,NrIn,nSx,nSy)
_RL adfieldDamp(1-OLx:sNx+OLx,1-OLy:sNy+OLy,NrIn,nSx,nSy)
C !LOCAL VARIABLES:
INTEGER bi,bj,i,j,k
_RL facDamp
CEOP
DO bj=myByLo(myThid),myByHi(myThid)
DO bi=myBxLo(myThid),myBxHi(myThid)
DO k=1,NrIn
DO j=1-OLy,sNy+OLy
DO i=1-OLx,sNx+OLx
IF ( (fieldRef(i,j,k,bi,bj).GE.maxRef).OR.
& (fieldRef(i,j,k,bi,bj).LE.minRef) ) THEN
facDamp=(1. _d 0-deltaTClock/timeDamp)
ELSE
facDamp=1. _d 0
ENDIF
adfieldDamp(i,j,k,bi,bj)=facDamp*
& adfieldDamp(i,j,k,bi,bj)
ENDDO
ENDDO
ENDDO
ENDDO
ENDDO
RETURN
END