| 1 | MODULE thermcell_mod |
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| 2 | |
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| 3 | IMPLICIT NONE |
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| 4 | |
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| 5 | |
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| 6 | ! Flags for computations |
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| 7 | ! default |
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| 8 | LOGICAL,SAVE :: dqimpl ! .true. Flag for thermcell_dq version (True : implicit scheme || False : explicit scheme) |
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| 9 | LOGICAL,SAVE :: dvimpl ! .false. Flag for specific u, v mixing (True : thermcell_dv2 || False : thermcell_dq) |
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| 10 | |
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| 11 | ! Physical parameters |
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| 12 | |
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| 13 | REAL,SAVE :: r_aspect_thermals ! 1.0 Aspect ratio of the thermals (width / height) |
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| 14 | REAL,SAVE :: tau_thermals ! 0. Relaxation time |
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| 15 | REAL,SAVE :: betalpha ! 0.9 - between 0 (e=d) and 1 (rho*fraca=cst) |
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| 16 | REAL,SAVE :: afact ! 2./3. - buoyancy acceleration efficiency, between 0 and 1 |
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| 17 | REAL,SAVE :: fact_epsilon ! 2.e-3 - turbulence and friction deceleration |
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| 18 | REAL,SAVE :: nu ! 0. Geometrical contributions to entrainment and detrainment |
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| 19 | REAL,SAVE :: alpha_max ! 0.7 Maximal permitted updraft fraction |
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| 20 | REAL,SAVE :: fomass_max ! 0.5 Maximal permitted outgoing layer mass fraction |
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| 21 | REAL,SAVE :: pres_limit ! 1.e5 - |
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| 22 | |
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| 23 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 24 | ! AB : linf is used to set the lowest possible first level because we allow it |
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| 25 | ! to begin higher than the surface. It is set to 2 in order to remove the |
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| 26 | ! first layer for gas giant. |
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| 27 | ! If there is a surface, it has to be set to 1. |
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| 28 | ! If someone want to call more than once the thermal plume model in some |
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| 29 | ! grid points, this variable may become a saved array of INTEGER with size |
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| 30 | ! ngrid. |
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| 31 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 32 | INTEGER,SAVE :: linf ! 1 |
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| 33 | |
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| 34 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 35 | ! AB : d_temp is an artificial virtual potential temperature offset added in |
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| 36 | ! layer linf which can be used to force convection to begin in it. |
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| 37 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 38 | REAL,SAVE :: d_temp ! 0. |
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| 39 | |
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| 40 | ! Physical constants |
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| 41 | |
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| 42 | REAL,SAVE :: RTT |
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| 43 | REAL,SAVE :: RG |
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| 44 | REAL,SAVE :: RKAPPA |
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| 45 | REAL,SAVE :: RPI |
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| 46 | REAL,SAVE :: RD |
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| 47 | |
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| 48 | !$OMP THREADPRIVATE(RTT, RG, RKAPPA, RPI, RD) |
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| 49 | |
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| 50 | |
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| 51 | CONTAINS |
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| 52 | |
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| 53 | SUBROUTINE init_thermcell_mod(g, rcp, r, pi, T_h2o_ice_liq, RV) |
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| 54 | |
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| 55 | USE ioipsl_getin_p_mod, ONLY: getin_p |
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| 56 | |
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| 57 | IMPLICIT NONE |
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| 58 | |
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| 59 | REAL g |
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| 60 | REAL rcp |
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| 61 | REAL r |
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| 62 | REAL pi |
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| 63 | REAL T_h2o_ice_liq |
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| 64 | REAL RV |
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| 65 | |
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| 66 | RTT = T_h2o_ice_liq |
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| 67 | RG = g |
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| 68 | RKAPPA = rcp |
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| 69 | RPI = pi |
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| 70 | RD = r |
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| 71 | |
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| 72 | print *, 'Implicit mixing scheme ?' |
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| 73 | dqimpl = .true. |
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| 74 | call getin_p('dqimpl', dqimpl) |
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| 75 | print *, 'dqimpl = ', dqimpl |
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| 76 | |
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| 77 | print *, 'Use specific horizontal momentum scheme ?' |
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| 78 | dvimpl = .false. |
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| 79 | call getin_p('dvimpl', dvimpl) |
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| 80 | print *, 'dvimpl = ', dvimpl |
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| 81 | |
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| 82 | print *, 'Plume aspect ratio ?' |
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| 83 | r_aspect_thermals = 1. |
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| 84 | call getin_p('r_aspect_thermals', r_aspect_thermals) |
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| 85 | print *, 'r_aspect_thermals = ', r_aspect_thermals |
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| 86 | |
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| 87 | print *, 'Relaxation time ?' |
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| 88 | tau_thermals = 0. |
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| 89 | call getin_p('tau_thermals', tau_thermals) |
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| 90 | print *, 'tau_thermals = ', tau_thermals |
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| 91 | |
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| 92 | print *, 'betalpha ?' |
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| 93 | betalpha = 0.9 |
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| 94 | call getin_p('betalpha', betalpha) |
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| 95 | print *, 'betalpha = ', betalpha |
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| 96 | |
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| 97 | print *, 'Buoyancy acceleration efficiency ?' |
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| 98 | afact = 2./3. |
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| 99 | call getin_p('afact', afact) |
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| 100 | print *, 'afact = ', afact |
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| 101 | |
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| 102 | print *, 'Turbulence and friction factor ?' |
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| 103 | fact_epsilon = 2.e-3 |
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| 104 | call getin_p('fact_epsilon', fact_epsilon) |
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| 105 | print *, 'fact_epsilon = ', fact_epsilon |
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| 106 | |
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| 107 | print *, 'Constant entrainment and detrainment term ?' |
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| 108 | nu = 0. |
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| 109 | call getin_p('nu', nu) |
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| 110 | print *, 'nu = ', nu |
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| 111 | |
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| 112 | print *, 'Maximal authorized updraft fraction ?' |
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| 113 | alpha_max = 0.7 |
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| 114 | call getin_p('alpha_max', alpha_max) |
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| 115 | print *, 'alpha_max = ', alpha_max |
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| 116 | |
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| 117 | print *, 'Maximal authorized entrained mass flux ?' |
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| 118 | fomass_max = 0.5 |
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| 119 | call getin_p('fomass_max', fomass_max) |
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| 120 | print *, 'fomass_max = ', fomass_max |
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| 121 | |
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| 122 | print *, 'Minimal pressure below which plume can no longer trigger ?' |
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| 123 | pres_limit = 1.e5 |
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| 124 | call getin_p('pres_limit', pres_limit) |
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| 125 | print *, 'pres_limit = ', pres_limit |
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| 126 | |
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| 127 | print *, 'Deepest layer from which a plume can rise ?' |
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| 128 | linf = 1 |
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| 129 | call getin_p('linf', linf) |
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| 130 | print *, 'linf = ', linf |
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| 131 | |
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| 132 | print *, 'd_temp ?' |
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| 133 | d_temp = 0. |
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| 134 | call getin_p('d_temp', d_temp) |
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| 135 | print *, 'd_temp = ', d_temp |
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| 136 | |
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| 137 | RETURN |
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| 138 | END SUBROUTINE init_thermcell_mod |
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| 139 | |
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| 140 | END MODULE thermcell_mod |
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