| 1 | MODULE atke_turbulence_ini_mod |
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| 2 | |
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| 3 | implicit none |
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| 4 | |
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| 5 | save |
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| 6 | |
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| 7 | integer :: iflag_atke, iflag_num_atke, iflag_atke_lmix |
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| 8 | !$OMP THREADPRIVATE(iflag_atke, iflag_num_atke, iflag_atke_lmix) |
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| 9 | real :: kappa = 0.4 ! Von Karman constant |
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| 10 | !$OMP THREADPRIVATE(kappa) |
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| 11 | real :: l0, ric, ri0, cinf, cepsilon, pr_slope, pr_asym, pr_neut, clmix |
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| 12 | !$OMP THREADPRIVATE(l0, ric, cinf, cepsilon, pr_slope, pr_asym, pr_neut, clmix) |
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| 13 | integer :: lunout,prt_level |
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| 14 | !$OMP THREADPRIVATE(lunout,prt_level) |
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| 15 | real :: rg, rd, rpi, rcpd |
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| 16 | !$OMP THREADPRIVATE(rg, rd, rpi, rcpd) |
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| 17 | |
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| 18 | real :: viscom, viscoh |
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| 19 | !$OMP THREADPRIVATE(viscom,viscoh) |
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| 20 | |
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| 21 | real :: lmin=0.001 ! minimum mixing length |
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| 22 | !$OMP THREADPRIVATE(lmin) |
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| 23 | |
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| 24 | |
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| 25 | CONTAINS |
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| 26 | |
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| 27 | SUBROUTINE atke_ini(prt_level_in, lunout_in, rg_in, rd_in, rpi_in, rcpd_in) |
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| 28 | |
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| 29 | USE ioipsl_getin_p_mod, ONLY : getin_p |
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| 30 | |
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| 31 | integer, intent(in) :: lunout_in,prt_level_in |
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| 32 | real, intent(in) :: rg_in, rd_in, rpi_in, rcpd_in |
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| 33 | |
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| 34 | |
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| 35 | lunout=lunout_in |
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| 36 | prt_level=prt_level_in |
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| 37 | rd=rd_in |
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| 38 | rg=rg_in |
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| 39 | rpi=rpi_in |
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| 40 | rcpd=rcpd_in |
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| 41 | |
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| 42 | viscom=1.46E-5 |
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| 43 | viscoh=2.06E-5 |
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| 44 | |
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| 45 | ! flag that controls options in atke_compute_km_kh |
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| 46 | iflag_atke=0 |
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| 47 | CALL getin_p('iflag_atke',iflag_atke) |
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| 48 | |
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| 49 | ! flag that controls the calculation of mixing length in atke |
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| 50 | iflag_atke_lmix=0 |
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| 51 | CALL getin_p('iflag_atke_lmix',iflag_atke_lmix) |
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| 52 | |
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| 53 | if (iflag_atke .eq. 0 .and. iflag_atke_lmix>0) then |
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| 54 | call abort_physic("atke_turbulence_ini", & |
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| 55 | 'stationary scheme must use mixing length formulation not depending on tke', 1) |
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| 56 | endif |
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| 57 | |
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| 58 | |
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| 59 | ! flag that controls the numerical treatment of diffusion coeffiient calculation |
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| 60 | iflag_num_atke=0 |
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| 61 | CALL getin_p('iflag_num_atke',iflag_num_atke) |
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| 62 | |
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| 63 | ! asymptotic mixing length in neutral conditions [m] |
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| 64 | ! Sun et al 2011, JAMC |
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| 65 | ! between 10 and 40 |
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| 66 | |
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| 67 | l0=15.0 |
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| 68 | CALL getin_p('atke_l0',l0) |
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| 69 | |
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| 70 | ! critical Richardson number |
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| 71 | ric=0.25 |
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| 72 | CALL getin_p('atke_ric',ric) |
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| 73 | |
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| 74 | ! asymptotic value of Sm for Ri=-Inf |
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| 75 | cinf=1.5 |
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| 76 | CALL getin_p('atke_cinf',cinf) |
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| 77 | |
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| 78 | ! constant for tke dissipation calculation |
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| 79 | cepsilon=16.6/2./sqrt(2.) ! default value as in yamada4 |
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| 80 | CALL getin_p('atke_cepsilon',cepsilon) |
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| 81 | |
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| 82 | ! slope of Pr=f(Ri) for stable conditions |
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| 83 | pr_slope=5.0 ! default value from Zilitinkevich et al. 2005 |
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| 84 | CALL getin_p('atke_pr_slope',pr_slope) |
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| 85 | if (pr_slope .le. 1) then |
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| 86 | call abort_physic("atke_turbulence_ini", & |
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| 87 | 'pr_slope has to be greater than 1 for consistency of the tke scheme', 1) |
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| 88 | endif |
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| 89 | |
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| 90 | ! asymptotic turbulent prandt number value for Ri=-Inf |
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| 91 | pr_asym=0.4 |
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| 92 | CALL getin_p('atke_pr_asym',pr_asym) |
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| 93 | |
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| 94 | ! value of turbulent prandtl number in neutral conditions (Ri=0) |
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| 95 | pr_neut=0.8 |
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| 96 | CALL getin_p('atke_pr_neut',pr_neut) |
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| 97 | |
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| 98 | ! coefficient for mixing length depending on local stratification |
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| 99 | clmix=0.5 |
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| 100 | CALL getin_p('atke_clmix',clmix) |
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| 101 | |
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| 102 | RETURN |
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| 103 | |
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| 104 | END SUBROUTINE atke_ini |
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| 105 | |
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| 106 | END MODULE atke_turbulence_ini_mod |
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