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Changeset 6808 for branches/NERC/dev_r5549_BDY_ZEROGRAD/NEMOGCM/NEMO/OPA_SRC/DOM/domstp.F90 – NEMO

Ignore:
Timestamp:
2016-07-19T10:38:35+02:00 (8 years ago)
Author:
jamesharle
Message:

merge with trunk@6232 for consistency with SSB code

File:
1 edited

Legend:

Unmodified
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  • branches/NERC/dev_r5549_BDY_ZEROGRAD/NEMOGCM/NEMO/OPA_SRC/DOM/domstp.F90

    r4292 r6808  
    2222   PUBLIC   dom_stp   ! routine called by inidom.F90 
    2323 
    24    !! * Substitutions 
    25 #  include "domzgr_substitute.h90" 
    2624   !!---------------------------------------------------------------------- 
    2725   !! NEMO/OPA 3.3 , NEMO Consortium (2010) 
     
    4139      !!      filter parameter read in namelist 
    4240      !!              - Model time step: 
    43       !!      nacc = 0 : synchronous time intergration.  
    44       !!      There is one time step only, defined by: rdt, rdttra(k)=rdt 
    45       !!      nacc = 1 : accelerating the convergence. There is 2 different 
    46       !!      time steps for dynamics and tracers: 
    47       !!        rdt      : dynamical part 
    48       !!        rdttra(k): temperature and salinity 
    49       !!      The tracer time step is a function of vertical level. the model 
    50       !!      reference time step ( i.e. for wind stress, surface heat and 
    51       !!      salt fluxes) is the surface tracer time step is rdttra(1). 
    52       !!         N.B. depth dependent acceleration of convergence is not im- 
    53       !!      plemented for s-coordinate. 
     41      !!                synchronous time intergration. 
     42      !!      There is one time step only, defined by: rdt for dynamics and 
     43      !!      tracer,wind stress, surface heat and salt fluxes 
    5444      !! 
    55       !! ** Action  : - rdttra   : vertical profile of tracer time step 
     45      !! ** Action  : [REMOVED - rdttra: vertical profile of tracer time step] 
    5646      !!              - atfp1    : = 1 - 2*atfp 
    5747      !! 
     
    7262      atfp1 = 1. - 2. * atfp 
    7363 
    74       SELECT CASE ( nacc ) 
     64      IF(lwp) WRITE(numout,*)'               synchronous time stepping' 
     65      IF(lwp) WRITE(numout,*)'               dynamics and tracer time step = ', rdt/3600., ' hours' 
    7566 
    76          CASE ( 0 )                ! Synchronous time stepping 
    77             IF(lwp) WRITE(numout,*)'               synchronous time stepping' 
    78             IF(lwp) WRITE(numout,*)'               dynamics and tracer time step = ', rdt/3600., ' hours' 
    79  
    80             rdttra(:) = rdt 
    81  
    82          CASE ( 1 )                ! Accelerating the convergence 
    83             IF(lwp) WRITE(numout,*) '              no tracer damping in the turbocline' 
    84             IF(lwp) WRITE(numout,*)'               accelerating the convergence' 
    85             IF(lwp) WRITE(numout,*)'               dynamics time step = ', rdt/3600., ' hours' 
    86             IF( ln_sco .AND. rdtmin /= rdtmax .AND. lk_vvl )   & 
    87                  & CALL ctl_stop ( ' depth dependent acceleration of convergence not implemented in s-coordinates & 
    88                  &                   nor in variable volume' ) 
    89             IF(lwp) WRITE(numout,*)'         tracers   time step :  dt (hours)  level' 
    90  
    91             DO jk = 1, jpk 
    92                IF( gdept_1d(jk) <= rdth ) rdttra(jk) = rdtmin 
    93                IF( gdept_1d(jk) >  rdth ) THEN 
    94                   rdttra(jk) = rdtmin + ( rdtmax - rdtmin )   & 
    95                                       * ( EXP( ( gdept_1d(jk ) - rdth ) / rdth ) - 1. )   & 
    96                                       / ( EXP( ( gdept_1d(jpk) - rdth ) / rdth ) - 1. ) 
    97                ENDIF 
    98                IF(lwp) WRITE(numout,"(36x,f5.2,5x,i3)") rdttra(jk)/3600., jk 
    99             END DO   
    100  
    101          CASE DEFAULT              ! E R R O R  
    102  
    103             WRITE(ctmp1,*) ' nacc value e r r o r, nacc= ',nacc 
    104             CALL ctl_stop( ctmp1 ) 
    105  
    106       END SELECT 
    10767 
    10868   END SUBROUTINE dom_stp 
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