Changeset 9490 for branches/2017/dev_merge_2017/NEMOGCM/CONFIG/TEST_CASES/OVERFLOW/EXP00/namelist_zps_FCT2_flux_ubs_cfg

Timestamp:

2018-04-23T10:44:07+02:00 (6 years ago)

Author:

gm

Message:

#2075 - dev_merge_2017: scale-aware setting of lateral viscous and diffusive coefficient

File:

• branches/2017/dev_merge_2017/NEMOGCM/CONFIG/TEST_CASES/OVERFLOW/EXP00/namelist_zps_FCT2_flux_ubs_cfg (modified) (3 diffs)

branches/2017/dev_merge_2017/NEMOGCM/CONFIG/TEST_CASES/OVERFLOW/EXP00/namelist_zps_FCT2_flux_ubs_cfg

@@ -110 +110 @@
 /
 !-----------------------------------------------------------------------
-&namtra_adv_mle !   mixed layer eddy parametrisation (Fox-Kemper param) (default: NO)
-!-----------------------------------------------------------------------
-/
-!-----------------------------------------------------------------------
 &namtra_ldf    !   lateral diffusion scheme for tracers
 !-----------------------------------------------------------------------
@@ -121 +117 @@
    ln_traldf_blp   =  .false.  !  bilaplacian operator
 /
-!-----------------------------------------------------------------------
-&namtra_ldfeiv !   eddy induced velocity param.                         (default: NO)
-!-----------------------------------------------------------------------
-/
-!-----------------------------------------------------------------------
-&namtra_dmp    !   tracer: T & S newtonian damping                       (default: YES)
-!-----------------------------------------------------------------------
-   ln_tradmp   =  .false.   !  add a damping termn (T) or not (F)
-/
+
+!!======================================================================
+!!                      ***  Dynamics namelists  ***                  !!
+!!======================================================================
+!
 !-----------------------------------------------------------------------
 &namdyn_adv    !   formulation of the momentum advection                (default: NO selection)
@@ -184 +176 @@
    !                       !  Coefficient
    nn_ahm_ijk_t  = 0           !  space/time variation of eddy coef
-   !                                !  =-30  read in eddy_viscosity_3D.nc file
-   !                                !  =-20  read in eddy_viscosity_2D.nc file
-   !                                !  =  0  constant
-   !                                !  = 10  F(k)=c1d
-   !                                !  = 20  F(i,j)=F(grid spacing)=c2d
-   !                                !  = 30  F(i,j,k)=c2d*c1d
-   !                                !  = 31  F(i,j,k)=F(grid spacing and local velocity)
-   !                                !  = 32  F(i,j,k)=F(local gridscale and deformation rate)
-   ! Caution in 20 and 30 cases the coefficient have to be given for a 1 degree grid (~111km)
-   rn_ahm_0      =   1000.     !  horizontal laplacian eddy viscosity   [m2/s]
-   rn_ahm_b      =      0.     !  background eddy viscosity for ldf_iso [m2/s]
-   rn_bhm_0      = 1.e+12      !  horizontal bilaplacian eddy viscosity [m4/s]
-   !                       !  Smagorinsky settings (nn_ahm_ijk_t  = 32) :
-   rn_csmc       = 3.5         !  Smagorinsky constant of proportionality
-   rn_minfac     = 1.0         !  multiplier of theorectical lower limit
-   rn_maxfac     = 1.0         !  multiplier of theorectical upper limit
-/
+      !                             !  =  0  constant 
+      !                        !  time invariant coefficients :  ahm = 1/2  Uv*Lv   (lap case) 
+      !                             !                            bhm = 1/12 Uv*Lv^3 (blp case)
+      rn_Uv      = 2.0              !  lateral viscous velocity [m/s] (nn_ahm_ijk_t= 0, 10, 20, 30)
+      rn_Lv      = 1000.            !  lateral viscous length   [m]   (nn_ahm_ijk_t= 0, 10)
+/
+
 !!======================================================================
 !!                     vertical physics namelists                     !!