- Timestamp:
- 2018-09-13T16:59:46+02:00 (6 years ago)
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NEMO/branches/2018/dev_r10057_ENHANCE03_ZTILDE/doc/namelists/namdyn_ldf
r9355 r10126 3 3 !----------------------------------------------------------------------- 4 4 ! ! Type of the operator : 5 ln_dynldf_ NONE= .false.! No operator (i.e. no explicit diffusion)6 ln_dynldf_lap = .false.! laplacian operator7 ln_dynldf_blp = .false.! bilaplacian operator5 ln_dynldf_OFF = .false. ! No operator (i.e. no explicit diffusion) 6 ln_dynldf_lap = .false. ! laplacian operator 7 ln_dynldf_blp = .false. ! bilaplacian operator 8 8 ! ! Direction of action : 9 ln_dynldf_lev = .false.! iso-level10 ln_dynldf_hor = .false. ! horizontal(geopotential)11 ln_dynldf_iso = .false. ! iso-neutral9 ln_dynldf_lev = .false. ! iso-level 10 ln_dynldf_hor = .false. ! horizontal (geopotential) 11 ln_dynldf_iso = .false. ! iso-neutral (lap only) 12 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 ! ! = 32 F(i,j,k)=F(local gridscale and deformation rate) 22 ! Caution in 20 and 30 cases the coefficient have to be given for a 1 degree grid (~111km) 23 rn_ahm_0 = 40000. ! horizontal laplacian eddy viscosity [m2/s] 24 rn_ahm_b = 0. ! background eddy viscosity for ldf_iso [m2/s] 25 rn_bhm_0 = 1.e+12 ! horizontal bilaplacian eddy viscosity [m4/s] 26 ! ! Smagorinsky settings (nn_ahm_ijk_t = 32) : 27 rn_csmc = 3.5 ! Smagorinsky constant of proportionality 28 rn_minfac = 1.0 ! multiplier of theorectical lower limit 29 rn_maxfac = 1.0 ! multiplier of theorectical upper limit 13 nn_ahm_ijk_t = 0 ! space/time variation of eddy coefficient : 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 ! ! = 32 F(i,j,k)=F(local gridscale and deformation rate) 22 ! ! time invariant coefficients : ahm = 1/2 Uv*Lv (lap case) 23 ! ! or = 1/12 Uv*Lv^3 (blp case) 24 rn_Uv = 0.1 ! lateral viscous velocity [m/s] (nn_ahm_ijk_t= 0, 10, 20, 30) 25 rn_Lv = 10.e+3 ! lateral viscous length [m] (nn_ahm_ijk_t= 0, 10) 26 ! ! Smagorinsky settings (nn_ahm_ijk_t= 32) : 27 rn_csmc = 3.5 ! Smagorinsky constant of proportionality 28 rn_minfac = 1.0 ! multiplier of theorectical lower limit 29 rn_maxfac = 1.0 ! multiplier of theorectical upper limit 30 ! ! iso-neutral laplacian operator (ln_dynldf_iso=T) : 31 rn_ahm_b = 0.0 ! background eddy viscosity [m2/s] 30 32 /
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