| 1 | module cpdet_phy_mod |
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| 2 | |
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| 3 | ! Cpdet module to use in physics (same as Cpdet module in dynamics) |
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| 4 | ! Warning: Changing hard coded formulaes in this module should also be |
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| 5 | ! done in dynamics cpdet_mod module (and vice-versa) ! |
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| 6 | |
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| 7 | implicit none |
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| 8 | |
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| 9 | real,save :: cpp ! reference Cp |
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| 10 | real,save :: nu_venus |
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| 11 | real,save :: t0_venus |
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| 12 | |
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| 13 | contains |
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| 14 | |
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| 15 | SUBROUTINE init_cpdet_phy(cpp_,nu_venus_,t0_venus_) |
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| 16 | ! initialize module variables |
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| 17 | REAL,INTENT(IN) :: cpp_ ! cpp from dynamics |
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| 18 | REAL,INTENT(IN) :: nu_venus_ ! nu_venus from dynamics |
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| 19 | REAL,INTENT(IN) :: t0_venus_ ! t0_venus from dynamics |
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| 20 | |
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| 21 | cpp=cpp_ |
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| 22 | nu_venus=nu_venus_ |
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| 23 | t0_venus=t0_venus_ |
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| 24 | |
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| 25 | END SUBROUTINE init_cpdet_phy |
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| 26 | |
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| 27 | !====================================================================== |
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| 28 | |
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| 29 | FUNCTION cpdet(t) |
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| 30 | |
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| 31 | IMPLICIT none |
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| 32 | |
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| 33 | ! for cpp, nu_venus and t0_venus: |
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| 34 | |
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| 35 | real,intent(in) :: t |
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| 36 | real cpdet |
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| 37 | |
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| 38 | if (t0_venus.ne.0.) then |
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| 39 | cpdet = cpp*(t/t0_venus)**nu_venus |
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| 40 | else |
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| 41 | cpdet = cpp |
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| 42 | endif |
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| 43 | |
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| 44 | end function cpdet |
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| 45 | |
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| 46 | !====================================================================== |
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| 47 | |
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| 48 | SUBROUTINE t2tpot(npoints, yt, yteta, ypk) |
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| 49 | !====================================================================== |
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| 50 | ! Arguments: |
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| 51 | ! |
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| 52 | ! yt --------input-R- Temperature |
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| 53 | ! yteta-------output-R- Temperature potentielle |
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| 54 | ! ypk --------input-R- Fonction d'Exner: RCPD*(pplay/pref)**RKAPPA |
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| 55 | ! |
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| 56 | !====================================================================== |
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| 57 | |
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| 58 | IMPLICIT NONE |
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| 59 | |
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| 60 | integer,intent(in) :: npoints |
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| 61 | REAL,intent(in) :: yt(npoints), ypk(npoints) |
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| 62 | REAL,intent(out) :: yteta(npoints) |
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| 63 | |
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| 64 | !---------------------- |
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| 65 | ! ATMOSPHERE PROFONDE |
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| 66 | real ypklim,ypklim2,mmm0 |
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| 67 | real ratio_mod(npoints) |
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| 68 | integer k |
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| 69 | ! theta_mod = theta * ratio_mod => ratio_mod = mmm0/mmm(p) |
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| 70 | |
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| 71 | ypklim = cpp*( 6e6/9.2e6)**0.1914 |
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| 72 | ypklim2 = cpp*(8.9e6/9.2e6)**0.1914 |
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| 73 | mmm0 = 43.44 |
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| 74 | |
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| 75 | DO k = 1, npoints |
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| 76 | ratio_mod(k) = 1. |
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| 77 | ! ATM PROFONDE DESACTIVEE ! |
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| 78 | if ( (1 .EQ. 0) .AND.(ypk(k).gt.ypklim)) then |
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| 79 | ratio_mod(k) = mmm0 / & |
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| 80 | & (mmm0+0.56*(log(ypklim/cpp)-log(ypk(k)/cpp)) & |
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| 81 | & /(log(ypklim/cpp)-log(ypklim2/cpp))) |
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| 82 | ratio_mod(k) = max(ratio_mod(k),mmm0/(mmm0+0.56)) |
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| 83 | endif |
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| 84 | ENDDO |
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| 85 | !---------------------- |
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| 86 | |
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| 87 | if (t0_venus.ne.0.) then |
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| 88 | yteta = yt**nu_venus & |
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| 89 | & - nu_venus * t0_venus**nu_venus * log(ypk/cpp) |
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| 90 | yteta = yteta**(1./nu_venus) |
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| 91 | else |
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| 92 | yteta = yt * cpp/ypk |
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| 93 | endif |
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| 94 | |
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| 95 | !---------------------- |
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| 96 | ! ATMOSPHERE PROFONDE |
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| 97 | yteta = yteta*ratio_mod |
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| 98 | !---------------------- |
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| 99 | |
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| 100 | end subroutine t2tpot |
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| 101 | |
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| 102 | !====================================================================== |
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| 103 | |
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| 104 | SUBROUTINE tpot2t(npoints,yteta, yt, ypk) |
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| 105 | !====================================================================== |
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| 106 | ! Arguments: |
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| 107 | ! |
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| 108 | ! yteta--------input-R- Temperature potentielle |
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| 109 | ! yt -------output-R- Temperature |
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| 110 | ! ypk --------input-R- Fonction d'Exner: RCPD*(pplay/pref)**RKAPPA |
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| 111 | ! |
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| 112 | !====================================================================== |
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| 113 | |
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| 114 | IMPLICIT NONE |
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| 115 | |
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| 116 | integer,intent(in) :: npoints |
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| 117 | REAL,intent(in) :: yteta(npoints), ypk(npoints) |
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| 118 | REAL,intent(out) :: yt(npoints) |
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| 119 | |
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| 120 | !---------------------- |
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| 121 | ! ATMOSPHERE PROFONDE |
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| 122 | real ypklim,ypklim2,mmm0 |
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| 123 | real ratio_mod(npoints) |
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| 124 | integer k |
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| 125 | ! theta_mod = theta * ratio_mod => ratio_mod = mmm0/mmm(p) |
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| 126 | |
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| 127 | ypklim = cpp*( 6e6/9.2e6)**0.1914 |
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| 128 | ypklim2 = cpp*(8.9e6/9.2e6)**0.1914 |
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| 129 | mmm0 = 43.44 |
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| 130 | |
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| 131 | DO k = 1, npoints |
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| 132 | ratio_mod(k) = 1. |
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| 133 | ! ATM PROFONDE DESACTIVEE ! |
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| 134 | if ( (1 .EQ. 0) .AND.(ypk(k).gt.ypklim)) then |
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| 135 | ratio_mod(k) = mmm0 / & |
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| 136 | & (mmm0+0.56*(log(ypklim/cpp)-log(ypk(k)/cpp)) & |
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| 137 | & /(log(ypklim/cpp)-log(ypklim2/cpp))) |
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| 138 | ratio_mod(k) = max(ratio_mod(k),mmm0/(mmm0+0.56)) |
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| 139 | endif |
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| 140 | ENDDO |
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| 141 | !---------------------- |
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| 142 | |
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| 143 | !---------------------- |
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| 144 | ! ATMOSPHERE PROFONDE |
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| 145 | !---------------------- |
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| 146 | if (t0_venus.ne.0.) then |
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| 147 | yt = (yteta/ratio_mod)**nu_venus & |
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| 148 | !---------------------- |
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| 149 | + nu_venus * t0_venus**nu_venus * log(ypk/cpp) |
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| 150 | yt = yt**(1./nu_venus) |
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| 151 | else |
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| 152 | yt = (yteta/ratio_mod) * ypk/cpp |
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| 153 | endif |
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| 154 | |
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| 155 | |
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| 156 | end subroutine tpot2t |
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| 157 | |
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| 158 | end module cpdet_phy_mod |
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