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Changeset 6808 for branches/NERC/dev_r5549_BDY_ZEROGRAD/DOC/TexFiles/Namelist/namdyn_ldf – 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/DOC/TexFiles/Namelist/namdyn_ldf

    r4147 r6808  
    11!----------------------------------------------------------------------- 
    2 &namdyn_ldf    !   lateral diffusion on momentum 
     2&namdyn_ldf    !   lateral diffusion on momentum                        (default: NO) 
    33!----------------------------------------------------------------------- 
    44   !                       !  Type of the operator : 
    5    ln_dynldf_lap    =  .true.   !  laplacian operator 
    6    ln_dynldf_bilap  =  .false.  !  bilaplacian operator 
     5   !                           !  no diffusion: set ln_dynldf_lap=..._blp=F  
     6   ln_dynldf_lap =  .false.    !    laplacian operator 
     7   ln_dynldf_blp =  .false.    !  bilaplacian operator 
    78   !                       !  Direction of action  : 
    8    ln_dynldf_level  =  .false.  !  iso-level 
    9    ln_dynldf_hor    =  .true.   !  horizontal (geopotential)            (require "key_ldfslp" in s-coord.) 
    10    ln_dynldf_iso    =  .false.  !  iso-neutral                          (require "key_ldfslp") 
     9   ln_dynldf_lev =  .false.    !  iso-level 
     10   ln_dynldf_hor =  .false.    !  horizontal (geopotential) 
     11   ln_dynldf_iso =  .false.    !  iso-neutral 
    1112   !                       !  Coefficient 
    12    rn_ahm_0_lap     = 40000.    !  horizontal laplacian eddy viscosity   [m2/s] 
    13    rn_ahmb_0        =     0.    !  background eddy viscosity for ldf_iso [m2/s] 
    14    rn_ahm_0_blp     =     0.    !  horizontal bilaplacian eddy viscosity [m4/s] 
    15    rn_cmsmag_1      =     3.    !  constant in laplacian Smagorinsky viscosity 
    16    rn_cmsmag_2      =     3     !  constant in bilaplacian Smagorinsky viscosity 
    17    rn_cmsh          =     1.    !  1 or 0 , if 0 -use only shear for Smagorinsky viscosity 
    18    rn_ahm_m_blp     =    -1.e12 !  upper limit for bilap  abs(ahm) < min( dx^4/128rdt, rn_ahm_m_blp) 
    19    rn_ahm_m_lap     = 40000.    !  upper limit for lap  ahm < min(dx^2/16rdt, rn_ahm_m_lap) 
     13   nn_ahm_ijk_t  = 0           !  space/time variation of eddy coef 
     14   !                                !  =-30  read in eddy_viscosity_3D.nc file 
     15   !                                !  =-20  read in eddy_viscosity_2D.nc file 
     16   !                                !  =  0  constant  
     17   !                                !  = 10  F(k)=c1d 
     18   !                                !  = 20  F(i,j)=F(grid spacing)=c2d 
     19   !                                !  = 30  F(i,j,k)=c2d*c1d 
     20   !                                !  = 31  F(i,j,k)=F(grid spacing and local velocity) 
     21   rn_ahm_0      =  40000.     !  horizontal laplacian eddy viscosity   [m2/s] 
     22   rn_ahm_b      =      0.     !  background eddy viscosity for ldf_iso [m2/s] 
     23   rn_bhm_0      = 1.e+12      !  horizontal bilaplacian eddy viscosity [m4/s] 
     24   ! 
     25   ! Caution in 20 and 30 cases the coefficient have to be given for a 1 degree grid (~111km) 
    2026/ 
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