source:
branches/2015/dev_r5836_NOC3_vvl_by_default/DOC/TexFiles/Namelist/namdyn_ldf
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6040
| Last change on this file since 6040 was 6040, checked in by gm, 8 years ago | |
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| File size: 1.6 KB | |
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| 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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