source: branches/2015/dev_r5836_NOC3_vvl_by_default/DOC/TexFiles/Namelist/namdyn_ldf @ 6040

Last change on this file since 6040 was 6040, checked in by gm, 5 years ago

#1613: vvl by default : start to update the DOC for change in vvl, LDF and solvers

File size: 1.6 KB
Line 
1!-----------------------------------------------------------------------
2&namdyn_ldf    !   lateral diffusion on momentum                        (default: NO)
3!-----------------------------------------------------------------------
4   !                       !  Type of the operator :
5   !                           !  no diffusion: set ln_dynldf_lap=..._blp=F
6   ln_dynldf_lap =  .false.    !    laplacian operator
7   ln_dynldf_blp =  .false.    !  bilaplacian operator
8   !                       !  Direction of action  :
9   ln_dynldf_lev =  .false.    !  iso-level
10   ln_dynldf_hor =  .false.    !  horizontal (geopotential)
11   ln_dynldf_iso =  .false.    !  iso-neutral
12   !                       !  Coefficient
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)
26/
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