1 | MODULE caldyn_kernels_hevi_mod |
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2 | USE icosa |
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3 | USE trace |
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4 | USE omp_para |
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5 | USE disvert_mod |
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6 | USE transfert_mod |
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7 | USE caldyn_kernels_base_mod |
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8 | IMPLICIT NONE |
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9 | PRIVATE |
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10 | |
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11 | REAL(rstd), PARAMETER :: pbot=1e5, Phi_bot=0., rho_bot=1e6 ! FIXME |
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12 | |
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13 | LOGICAL, SAVE :: debug_hevi_solver = .FALSE. |
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14 | LOGICAL, PARAMETER :: rigid=.TRUE. |
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15 | |
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16 | PUBLIC :: compute_theta, compute_pvort_only, compute_caldyn_Coriolis, & |
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17 | compute_caldyn_slow_hydro, compute_caldyn_slow_NH, & |
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18 | compute_caldyn_solver, compute_caldyn_fast |
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19 | |
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20 | CONTAINS |
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21 | |
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22 | SUBROUTINE compute_theta(ps,theta_rhodz, rhodz,theta) |
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23 | REAL(rstd),INTENT(IN) :: ps(iim*jjm) |
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24 | REAL(rstd),INTENT(IN) :: theta_rhodz(iim*jjm,llm,nqdyn) |
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25 | REAL(rstd),INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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26 | REAL(rstd),INTENT(OUT) :: theta(iim*jjm,llm,nqdyn) |
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27 | INTEGER :: ij,l,iq |
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28 | REAL(rstd) :: m |
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29 | CALL trace_start("compute_theta") |
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30 | |
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31 | IF(caldyn_eta==eta_mass) THEN ! Compute mass |
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32 | DO l = ll_begin,ll_end |
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33 | !DIR$ SIMD |
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34 | DO ij=ij_begin_ext,ij_end_ext |
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35 | m = mass_dak(l)+(ps(ij)*g+ptop)*mass_dbk(l) ! ps is actually Ms |
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36 | rhodz(ij,l) = m/g |
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37 | END DO |
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38 | END DO |
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39 | END IF |
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40 | |
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41 | DO l = ll_begin,ll_end |
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42 | DO iq=1,nqdyn |
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43 | !DIR$ SIMD |
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44 | DO ij=ij_begin_ext,ij_end_ext |
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45 | theta(ij,l,iq) = theta_rhodz(ij,l,iq)/rhodz(ij,l) |
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46 | END DO |
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47 | END DO |
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48 | END DO |
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49 | |
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50 | CALL trace_end("compute_theta") |
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51 | END SUBROUTINE compute_theta |
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52 | |
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53 | SUBROUTINE compute_pvort_only(u,rhodz,qu,qv) |
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54 | REAL(rstd),INTENT(IN) :: u(iim*3*jjm,llm) |
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55 | REAL(rstd),INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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56 | REAL(rstd),INTENT(OUT) :: qu(iim*3*jjm,llm) |
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57 | REAL(rstd),INTENT(OUT) :: qv(iim*2*jjm,llm) |
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58 | |
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59 | INTEGER :: ij,l |
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60 | REAL(rstd) :: etav,hv,radius_m2 |
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61 | |
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62 | CALL trace_start("compute_pvort_only") |
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63 | !!! Compute shallow-water potential vorticity |
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64 | #ifdef CPP_DYSL |
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65 | #include "../kernels/pvort_only.k90" |
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66 | #else |
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67 | radius_m2=radius**(-2) |
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68 | DO l = ll_begin,ll_end |
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69 | !DIR$ SIMD |
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70 | DO ij=ij_begin_ext,ij_end_ext |
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71 | etav= 1./Av(ij+z_up)*( ne_rup * u(ij+u_rup,l) & |
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72 | + ne_left * u(ij+t_rup+u_left,l) & |
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73 | - ne_lup * u(ij+u_lup,l) ) |
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74 | hv = Riv2(ij,vup) * rhodz(ij,l) & |
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75 | + Riv2(ij+t_rup,vldown) * rhodz(ij+t_rup,l) & |
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76 | + Riv2(ij+t_lup,vrdown) * rhodz(ij+t_lup,l) |
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77 | qv(ij+z_up,l) = ( etav+fv(ij+z_up) )/hv |
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78 | |
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79 | etav = 1./Av(ij+z_down)*( ne_ldown * u(ij+u_ldown,l) & |
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80 | + ne_right * u(ij+t_ldown+u_right,l) & |
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81 | - ne_rdown * u(ij+u_rdown,l) ) |
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82 | hv = Riv2(ij,vdown) * rhodz(ij,l) & |
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83 | + Riv2(ij+t_ldown,vrup) * rhodz(ij+t_ldown,l) & |
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84 | + Riv2(ij+t_rdown,vlup) * rhodz(ij+t_rdown,l) |
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85 | qv(ij+z_down,l) =( etav+fv(ij+z_down) )/hv |
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86 | ENDDO |
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87 | |
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88 | !DIR$ SIMD |
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89 | DO ij=ij_begin,ij_end |
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90 | qu(ij+u_right,l) = 0.5*(qv(ij+z_rdown,l)+qv(ij+z_rup,l)) |
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91 | qu(ij+u_lup,l) = 0.5*(qv(ij+z_up,l)+qv(ij+z_lup,l)) |
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92 | qu(ij+u_ldown,l) = 0.5*(qv(ij+z_ldown,l)+qv(ij+z_down,l)) |
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93 | END DO |
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94 | |
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95 | ENDDO |
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96 | #endif |
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97 | CALL trace_end("compute_pvort_only") |
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98 | |
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99 | END SUBROUTINE compute_pvort_only |
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100 | |
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101 | SUBROUTINE compute_NH_geopot(tau, m_ik, m_il, theta, W_il, Phi_il) |
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102 | REAL(rstd),INTENT(IN) :: tau ! solve Phi-tau*dPhi/dt = Phi_rhs |
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103 | REAL(rstd),INTENT(IN) :: m_ik(iim*jjm,llm) |
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104 | REAL(rstd),INTENT(IN) :: m_il(iim*jjm,llm+1) |
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105 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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106 | REAL(rstd),INTENT(IN) :: W_il(iim*jjm,llm+1) ! vertical momentum |
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107 | REAL(rstd),INTENT(INOUT) :: Phi_il(iim*jjm,llm+1) ! geopotential |
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108 | |
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109 | REAL(rstd) :: Phi_star_il(iim*jjm,llm+1) |
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110 | REAL(rstd) :: p_ik(iim*jjm,llm) ! pressure |
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111 | REAL(rstd) :: R_il(iim*jjm,llm+1) ! rhs of tridiag problem |
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112 | REAL(rstd) :: x_il(iim*jjm,llm+1) ! solution of tridiag problem |
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113 | REAL(rstd) :: A_ik(iim*jjm,llm) ! off-diagonal coefficients of tridiag problem |
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114 | REAL(rstd) :: B_il(iim*jjm,llm+1) ! diagonal coefficients of tridiag problem |
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115 | REAL(rstd) :: C_ik(iim*jjm,llm) ! Thomas algorithm |
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116 | REAL(rstd) :: D_il(iim*jjm,llm+1) ! Thomas algorithm |
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117 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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118 | REAL(rstd) :: wil, tau2_g, g2, gm2, ml_g2, c2_mik |
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119 | |
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120 | INTEGER :: iter, ij, l, ij_omp_begin_ext, ij_omp_end_ext |
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121 | |
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122 | CALL distrib_level(ij_end_ext-ij_begin_ext+1,ij_omp_begin_ext,ij_omp_end_ext) |
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123 | ij_omp_begin_ext=ij_omp_begin_ext+ij_begin_ext-1 |
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124 | ij_omp_end_ext=ij_omp_end_ext+ij_begin_ext-1 |
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125 | |
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126 | #ifdef CPP_DYSL |
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127 | #include "../kernels/compute_NH_geopot.k90" |
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128 | #else |
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129 | ! FIXME : vertical OpenMP parallelism will not work |
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130 | |
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131 | tau2_g=tau*tau/g |
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132 | g2=g*g |
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133 | gm2 = g**-2 |
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134 | gamma = 1./(1.-kappa) |
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135 | |
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136 | ! compute Phi_star |
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137 | DO l=1,llm+1 |
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138 | !DIR$ SIMD |
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139 | DO ij=ij_begin_ext,ij_end_ext |
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140 | Phi_star_il(ij,l) = Phi_il(ij,l) + tau*g2*(W_il(ij,l)/m_il(ij,l)-tau) |
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141 | ENDDO |
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142 | ENDDO |
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143 | |
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144 | ! Newton-Raphson iteration : Phi_il contains current guess value |
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145 | DO iter=1,5 ! 2 iterations should be enough |
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146 | |
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147 | ! Compute pressure, A_ik |
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148 | DO l=1,llm |
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149 | !DIR$ SIMD |
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150 | DO ij=ij_begin_ext,ij_end_ext |
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151 | rho_ij = (g*m_ik(ij,l))/(Phi_il(ij,l+1)-Phi_il(ij,l)) |
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152 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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153 | p_ik(ij,l) = preff*(X_ij**gamma) |
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154 | c2_mik = gamma*p_ik(ij,l)/(rho_ij*m_ik(ij,l)) ! c^2 = gamma*R*T = gamma*p/rho |
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155 | A_ik(ij,l) = c2_mik*(tau/g*rho_ij)**2 |
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156 | ENDDO |
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157 | ENDDO |
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158 | |
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159 | ! Compute residual, B_il |
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160 | ! bottom interface l=1 |
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161 | !DIR$ SIMD |
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162 | DO ij=ij_begin_ext,ij_end_ext |
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163 | ml_g2 = gm2*m_il(ij,1) |
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164 | B_il(ij,1) = A_ik(ij,1) + ml_g2 + tau2_g*rho_bot |
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165 | R_il(ij,1) = ml_g2*( Phi_il(ij,1)-Phi_star_il(ij,1)) & |
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166 | + tau2_g*( p_ik(ij,1)-pbot+rho_bot*(Phi_il(ij,1)-Phi_bot) ) |
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167 | ENDDO |
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168 | ! inner interfaces |
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169 | DO l=2,llm |
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170 | !DIR$ SIMD |
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171 | DO ij=ij_begin_ext,ij_end_ext |
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172 | ml_g2 = gm2*m_il(ij,l) |
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173 | B_il(ij,l) = A_ik(ij,l)+A_ik(ij,l-1) + ml_g2 |
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174 | R_il(ij,l) = ml_g2*( Phi_il(ij,l)-Phi_star_il(ij,l)) & |
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175 | + tau2_g*(p_ik(ij,l)-p_ik(ij,l-1)) |
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176 | ! consistency check : if Wil=0 and initial state is in hydrostatic balance |
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177 | ! then Phi_star_il(ij,l) = Phi_il(ij,l) - tau^2*g^2 |
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178 | ! and residual = tau^2*(ml+(1/g)dl_pi)=0 |
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179 | ENDDO |
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180 | ENDDO |
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181 | ! top interface l=llm+1 |
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182 | !DIR$ SIMD |
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183 | DO ij=ij_begin_ext,ij_end_ext |
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184 | ml_g2 = gm2*m_il(ij,llm+1) |
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185 | B_il(ij,llm+1) = A_ik(ij,llm) + ml_g2 |
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186 | R_il(ij,llm+1) = ml_g2*( Phi_il(ij,llm+1)-Phi_star_il(ij,llm+1)) & |
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187 | + tau2_g*( ptop-p_ik(ij,llm) ) |
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188 | ENDDO |
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189 | |
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190 | ! FIXME later |
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191 | ! the lines below modify the tridiag problem |
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192 | ! for flat, rigid boundary conditions at top and bottom : |
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193 | ! zero out A(1), A(llm), R(1), R(llm+1) |
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194 | ! => x(l)=0 at l=1,llm+1 |
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195 | DO ij=ij_begin_ext,ij_end_ext |
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196 | A_ik(ij,1) = 0. |
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197 | A_ik(ij,llm) = 0. |
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198 | R_il(ij,1) = 0. |
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199 | R_il(ij,llm+1) = 0. |
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200 | ENDDO |
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201 | |
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202 | IF(debug_hevi_solver) THEN ! print Linf(residual) |
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203 | PRINT *, '[hevi_solver] R,p', iter, MAXVAL(ABS(R_il)), MAXVAL(p_ik) |
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204 | END IF |
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205 | |
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206 | ! Solve -A(l-1)x(l-1) + B(l)x(l) - A(l)x(l+1) = R(l) using Thomas algorithm |
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207 | ! Forward sweep : |
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208 | ! C(0)=0, C(l) = -A(l) / (B(l)+A(l-1)C(l-1)), |
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209 | ! D(0)=0, D(l) = (R(l)+A(l-1)D(l-1)) / (B(l)+A(l-1)C(l-1)) |
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210 | ! bottom interface l=1 |
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211 | !DIR$ SIMD |
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212 | DO ij=ij_begin_ext,ij_end_ext |
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213 | X_ij = 1./B_il(ij,1) |
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214 | C_ik(ij,1) = -A_ik(ij,1) * X_ij |
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215 | D_il(ij,1) = R_il(ij,1) * X_ij |
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216 | ENDDO |
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217 | ! inner interfaces/layers |
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218 | DO l=2,llm |
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219 | !DIR$ SIMD |
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220 | DO ij=ij_begin_ext,ij_end_ext |
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221 | X_ij = 1./(B_il(ij,l) + A_ik(ij,l-1)*C_ik(ij,l-1)) |
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222 | C_ik(ij,l) = -A_ik(ij,l) * X_ij |
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223 | D_il(ij,l) = (R_il(ij,l)+A_ik(ij,l-1)*D_il(ij,l-1)) * X_ij |
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224 | ENDDO |
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225 | ENDDO |
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226 | ! top interface l=llm+1 |
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227 | !DIR$ SIMD |
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228 | DO ij=ij_begin_ext,ij_end_ext |
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229 | X_ij = 1./(B_il(ij,llm+1) + A_ik(ij,llm)*C_ik(ij,llm)) |
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230 | D_il(ij,llm+1) = (R_il(ij,llm+1)+A_ik(ij,llm)*D_il(ij,llm)) * X_ij |
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231 | ENDDO |
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232 | |
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233 | ! Back substitution : |
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234 | ! x(i) = D(i)-C(i)x(i+1), x(N+1)=0 |
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235 | ! + Newton-Raphson update |
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236 | x_il=0. ! FIXME |
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237 | ! top interface l=llm+1 |
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238 | !DIR$ SIMD |
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239 | DO ij=ij_begin_ext,ij_end_ext |
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240 | x_il(ij,llm+1) = D_il(ij,llm+1) |
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241 | Phi_il(ij,llm+1) = Phi_il(ij,llm+1) - x_il(ij,llm+1) |
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242 | ENDDO |
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243 | ! lower interfaces |
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244 | DO l=llm,1,-1 |
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245 | !DIR$ SIMD |
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246 | DO ij=ij_begin_ext,ij_end_ext |
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247 | x_il(ij,l) = D_il(ij,l) - C_ik(ij,l)*x_il(ij,l+1) |
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248 | Phi_il(ij,l) = Phi_il(ij,l) - x_il(ij,l) |
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249 | ENDDO |
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250 | ENDDO |
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251 | |
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252 | IF(debug_hevi_solver) THEN |
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253 | PRINT *, '[hevi_solver] A,B', iter, MAXVAL(ABS(A_ik)),MAXVAL(ABS(B_il)) |
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254 | PRINT *, '[hevi_solver] C,D', iter, MAXVAL(ABS(C_ik)),MAXVAL(ABS(D_il)) |
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255 | DO l=1,llm+1 |
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256 | WRITE(*,'(A,I2.1,I3.2,E9.2)'), '[hevi_solver] x', iter,l, MAXVAL(ABS(x_il(:,l))) |
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257 | END DO |
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258 | END IF |
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259 | |
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260 | END DO ! Newton-Raphson |
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261 | |
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262 | #endif |
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263 | |
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264 | END SUBROUTINE compute_NH_geopot |
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265 | |
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266 | SUBROUTINE compute_caldyn_solver(tau,rhodz,theta,pk, geopot,W, m_il,pres, dPhi,dW,du) |
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267 | REAL(rstd),INTENT(IN) :: tau ! "solve" Phi-tau*dPhi/dt = Phi_rhs |
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268 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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269 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) |
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270 | REAL(rstd),INTENT(OUT) :: pk(iim*jjm,llm) |
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271 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
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272 | REAL(rstd),INTENT(INOUT) :: W(iim*jjm,llm+1) ! OUT if tau>0 |
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273 | REAL(rstd),INTENT(OUT) :: m_il(iim*jjm,llm+1) ! rhodz averaged to interfaces |
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274 | REAL(rstd),INTENT(OUT) :: pres(iim*jjm,llm) ! pressure |
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275 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
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276 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
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277 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
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278 | |
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279 | REAL(rstd) :: berni(iim*jjm,llm) ! (W/m_il)^2 |
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280 | REAL(rstd) :: gamma, rho_ij, T_ij, X_ij, Y_ij, vreff, Rd, Cvd |
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281 | INTEGER :: ij, l |
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282 | |
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283 | CALL trace_start("compute_caldyn_solver") |
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284 | |
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285 | Rd=cpp*kappa |
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286 | |
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287 | #ifdef CPP_DYSL |
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288 | !$OMP BARRIER |
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289 | #include "../kernels/caldyn_solver.k90" |
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290 | !$OMP BARRIER |
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291 | #else |
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292 | #define BERNI(ij) berni(ij,1) |
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293 | ! FIXME : vertical OpenMP parallelism will not work |
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294 | |
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295 | ! average m_ik to interfaces => m_il |
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296 | !DIR$ SIMD |
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297 | DO ij=ij_begin_ext,ij_end_ext |
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298 | m_il(ij,1) = .5*rhodz(ij,1) |
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299 | ENDDO |
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300 | DO l=2,llm |
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301 | !DIR$ SIMD |
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302 | DO ij=ij_begin_ext,ij_end_ext |
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303 | m_il(ij,l) = .5*(rhodz(ij,l-1)+rhodz(ij,l)) |
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304 | ENDDO |
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305 | ENDDO |
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306 | !DIR$ SIMD |
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307 | DO ij=ij_begin_ext,ij_end_ext |
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308 | m_il(ij,llm+1) = .5*rhodz(ij,llm) |
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309 | ENDDO |
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310 | |
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311 | IF(tau>0) THEN ! solve implicit problem for geopotential |
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312 | CALL compute_NH_geopot(tau, rhodz, m_il, theta, W, geopot) |
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313 | END IF |
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314 | |
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315 | ! Compute pressure, stored temporarily in pk |
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316 | ! kappa = R/Cp |
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317 | ! 1-kappa = Cv/Cp |
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318 | ! Cp/Cv = 1/(1-kappa) |
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319 | gamma = 1./(1.-kappa) |
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320 | DO l=1,llm |
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321 | !DIR$ SIMD |
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322 | DO ij=ij_begin_ext,ij_end_ext |
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323 | rho_ij = (g*rhodz(ij,l))/(geopot(ij,l+1)-geopot(ij,l)) |
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324 | X_ij = (cpp/preff)*kappa*theta(ij,l,1)*rho_ij |
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325 | ! kappa.theta.rho = p/exner |
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326 | ! => X = (p/p0)/(exner/Cp) |
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327 | ! = (p/p0)^(1-kappa) |
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328 | pk(ij,l) = preff*(X_ij**gamma) |
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329 | ENDDO |
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330 | ENDDO |
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331 | |
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332 | ! Update W, compute tendencies |
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333 | DO l=2,llm |
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334 | !DIR$ SIMD |
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335 | DO ij=ij_begin_ext,ij_end_ext |
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336 | dW(ij,l) = (1./g)*(pk(ij,l-1)-pk(ij,l)) - m_il(ij,l) |
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337 | W(ij,l) = W(ij,l)+tau*dW(ij,l) ! update W |
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338 | dPhi(ij,l) = g*g*W(ij,l)/m_il(ij,l) |
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339 | ENDDO |
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340 | ! PRINT *,'Max dPhi', l,ij_begin,ij_end, MAXVAL(abs(dPhi(ij_begin:ij_end,l))) |
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341 | ! PRINT *,'Max dW', l,ij_begin,ij_end, MAXVAL(abs(dW(ij_begin:ij_end,l))) |
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342 | ENDDO |
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343 | ! Lower BC (FIXME : no orography yet !) |
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344 | DO ij=ij_begin,ij_end |
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345 | dPhi(ij,1)=0 |
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346 | W(ij,1)=0 |
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347 | dW(ij,1)=0 |
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348 | dPhi(ij,llm+1)=0 ! rigid lid |
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349 | W(ij,llm+1)=0 |
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350 | dW(ij,llm+1)=0 |
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351 | ENDDO |
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352 | ! Upper BC p=ptop |
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353 | ! DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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354 | ! dPhi(ij,llm+1) = W(ij,llm+1)/rhodz(ij,llm) |
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355 | ! dW(ij,llm+1) = (1./g)*(pk(ij,llm)-ptop) - .5*rhodz(ij,llm) |
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356 | ! ENDDO |
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357 | |
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358 | ! Compute Exner function (needed by compute_caldyn_fast) and du=-g^2.grad(w^2) |
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359 | DO l=1,llm |
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360 | !DIR$ SIMD |
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361 | DO ij=ij_begin_ext,ij_end_ext |
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362 | pk(ij,l) = cpp*((pk(ij,l)/preff)**kappa) ! other formulae possible if exponentiation is slow |
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363 | BERNI(ij) = (-.25*g*g)*( & |
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364 | (W(ij,l)/m_il(ij,l))**2 & |
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365 | + (W(ij,l+1)/m_il(ij,l+1))**2 ) |
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366 | ENDDO |
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367 | DO ij=ij_begin,ij_end |
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368 | du(ij+u_right,l) = ne_right*(BERNI(ij)-BERNI(ij+t_right)) |
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369 | du(ij+u_lup,l) = ne_lup *(BERNI(ij)-BERNI(ij+t_lup)) |
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370 | du(ij+u_ldown,l) = ne_ldown*(BERNI(ij)-BERNI(ij+t_ldown)) |
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371 | ENDDO |
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372 | ENDDO |
---|
373 | #undef BERNI |
---|
374 | #endif |
---|
375 | |
---|
376 | CALL trace_end("compute_caldyn_solver") |
---|
377 | |
---|
378 | END SUBROUTINE compute_caldyn_solver |
---|
379 | |
---|
380 | SUBROUTINE compute_caldyn_fast(tau,u,rhodz,theta,pk,geopot,du) |
---|
381 | REAL(rstd),INTENT(IN) :: tau ! "solve" u-tau*du/dt = rhs |
---|
382 | REAL(rstd),INTENT(INOUT) :: u(iim*3*jjm,llm) ! OUT if tau>0 |
---|
383 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
384 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) |
---|
385 | REAL(rstd),INTENT(INOUT) :: pk(iim*jjm,llm) |
---|
386 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
---|
387 | REAL(rstd),INTENT(INOUT) :: du(iim*3*jjm,llm) |
---|
388 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
---|
389 | REAL(rstd) :: berniv(iim*jjm,llm) ! moist Bernoulli function |
---|
390 | |
---|
391 | INTEGER :: i,j,ij,l |
---|
392 | REAL(rstd) :: Rd, qv, temp, chi, nu, due, due_right, due_lup, due_ldown |
---|
393 | |
---|
394 | CALL trace_start("compute_caldyn_fast") |
---|
395 | |
---|
396 | Rd=cpp*kappa |
---|
397 | |
---|
398 | #ifdef CPP_DYSL |
---|
399 | #include "../kernels/caldyn_fast.k90" |
---|
400 | #else |
---|
401 | ! Compute Bernoulli term |
---|
402 | IF(boussinesq) THEN |
---|
403 | DO l=ll_begin,ll_end |
---|
404 | !DIR$ SIMD |
---|
405 | DO ij=ij_begin,ij_end |
---|
406 | berni(ij,l) = pk(ij,l) |
---|
407 | ! from now on pk contains the vertically-averaged geopotential |
---|
408 | pk(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
---|
409 | END DO |
---|
410 | END DO |
---|
411 | ELSE ! compressible |
---|
412 | |
---|
413 | DO l=ll_begin,ll_end |
---|
414 | SELECT CASE(caldyn_thermo) |
---|
415 | CASE(thermo_theta) ! vdp = theta.dpi => B = Phi |
---|
416 | !DIR$ SIMD |
---|
417 | DO ij=ij_begin,ij_end |
---|
418 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
---|
419 | END DO |
---|
420 | CASE(thermo_entropy) ! vdp = dG + sdT => B = Phi + G, G=h-Ts=T*(cpp-s) |
---|
421 | !DIR$ SIMD |
---|
422 | DO ij=ij_begin,ij_end |
---|
423 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
---|
424 | + pk(ij,l)*(cpp-theta(ij,l,1)) ! pk=temperature, theta=entropy |
---|
425 | END DO |
---|
426 | CASE(thermo_moist) |
---|
427 | !DIR$ SIMD |
---|
428 | DO ij=ij_begin,ij_end |
---|
429 | ! du/dt = grad(Bd)+rv.grad(Bv)+s.grad(T) |
---|
430 | ! Bd = Phi + gibbs_d |
---|
431 | ! Bv = Phi + gibbs_v |
---|
432 | ! pk=temperature, theta=entropy |
---|
433 | qv = theta(ij,l,2) |
---|
434 | temp = pk(ij,l) |
---|
435 | chi = log(temp/Treff) |
---|
436 | nu = (chi*(cpp+qv*cppv)-theta(ij,l,1))/(Rd+qv*Rv) ! log(p/preff) |
---|
437 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
---|
438 | + temp*(cpp*(1.-chi)+Rd*nu) |
---|
439 | berniv(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
---|
440 | + temp*(cppv*(1.-chi)+Rv*nu) |
---|
441 | END DO |
---|
442 | END SELECT |
---|
443 | END DO |
---|
444 | |
---|
445 | END IF ! Boussinesq/compressible |
---|
446 | |
---|
447 | !!! u:=u+tau*du, du = -grad(B)-theta.grad(pi) |
---|
448 | DO l=ll_begin,ll_end |
---|
449 | IF(caldyn_thermo == thermo_moist) THEN |
---|
450 | !DIR$ SIMD |
---|
451 | DO ij=ij_begin,ij_end |
---|
452 | due_right = berni(ij+t_right,l)-berni(ij,l) & |
---|
453 | + 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
---|
454 | *(pk(ij+t_right,l)-pk(ij,l)) & |
---|
455 | + 0.5*(theta(ij,l,2)+theta(ij+t_right,l,2)) & |
---|
456 | *(berniv(ij+t_right,l)-berniv(ij,l)) |
---|
457 | |
---|
458 | due_lup = berni(ij+t_lup,l)-berni(ij,l) & |
---|
459 | + 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
---|
460 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
---|
461 | + 0.5*(theta(ij,l,2)+theta(ij+t_lup,l,2)) & |
---|
462 | *(berniv(ij+t_lup,l)-berniv(ij,l)) |
---|
463 | |
---|
464 | due_ldown = berni(ij+t_ldown,l)-berni(ij,l) & |
---|
465 | + 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
---|
466 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
---|
467 | + 0.5*(theta(ij,l,2)+theta(ij+t_ldown,l,2)) & |
---|
468 | *(berniv(ij+t_ldown,l)-berniv(ij,l)) |
---|
469 | |
---|
470 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
---|
471 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
---|
472 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
---|
473 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
---|
474 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
---|
475 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
---|
476 | END DO |
---|
477 | ELSE |
---|
478 | !DIR$ SIMD |
---|
479 | DO ij=ij_begin,ij_end |
---|
480 | due_right = 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
---|
481 | *(pk(ij+t_right,l)-pk(ij,l)) & |
---|
482 | + berni(ij+t_right,l)-berni(ij,l) |
---|
483 | due_lup = 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
---|
484 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
---|
485 | + berni(ij+t_lup,l)-berni(ij,l) |
---|
486 | due_ldown = 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
---|
487 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
---|
488 | + berni(ij+t_ldown,l)-berni(ij,l) |
---|
489 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
---|
490 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
---|
491 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
---|
492 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
---|
493 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
---|
494 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
---|
495 | END DO |
---|
496 | END IF |
---|
497 | END DO |
---|
498 | #endif |
---|
499 | CALL trace_end("compute_caldyn_fast") |
---|
500 | |
---|
501 | END SUBROUTINE compute_caldyn_fast |
---|
502 | |
---|
503 | SUBROUTINE compute_caldyn_Coriolis(hflux,theta,qu, convm,dtheta_rhodz,du) |
---|
504 | REAL(rstd),INTENT(IN) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
505 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) ! active scalars |
---|
506 | REAL(rstd),INTENT(IN) :: qu(3*iim*jjm,llm) |
---|
507 | REAL(rstd),INTENT(OUT) :: convm(iim*jjm,llm) ! mass flux convergence |
---|
508 | REAL(rstd),INTENT(OUT) :: dtheta_rhodz(iim*jjm,llm,nqdyn) |
---|
509 | REAL(rstd),INTENT(INOUT) :: du(3*iim*jjm,llm) |
---|
510 | |
---|
511 | REAL(rstd) :: Ftheta(3*iim*jjm,llm) ! potential temperature flux |
---|
512 | REAL(rstd) :: uu_right, uu_lup, uu_ldown, du_trisk, divF |
---|
513 | INTEGER :: ij,iq,l,kdown |
---|
514 | |
---|
515 | CALL trace_start("compute_caldyn_Coriolis") |
---|
516 | |
---|
517 | #ifdef CPP_DYSL |
---|
518 | #include "../kernels/coriolis.k90" |
---|
519 | #else |
---|
520 | #define FTHETA(ij) Ftheta(ij,1) |
---|
521 | |
---|
522 | DO l=ll_begin, ll_end |
---|
523 | ! compute theta flux |
---|
524 | DO iq=1,nqdyn |
---|
525 | !DIR$ SIMD |
---|
526 | DO ij=ij_begin_ext,ij_end_ext |
---|
527 | FTHETA(ij+u_right) = 0.5*(theta(ij,l,iq)+theta(ij+t_right,l,iq)) & |
---|
528 | * hflux(ij+u_right,l) |
---|
529 | FTHETA(ij+u_lup) = 0.5*(theta(ij,l,iq)+theta(ij+t_lup,l,iq)) & |
---|
530 | * hflux(ij+u_lup,l) |
---|
531 | FTHETA(ij+u_ldown) = 0.5*(theta(ij,l,iq)+theta(ij+t_ldown,l,iq)) & |
---|
532 | * hflux(ij+u_ldown,l) |
---|
533 | END DO |
---|
534 | ! horizontal divergence of fluxes |
---|
535 | !DIR$ SIMD |
---|
536 | DO ij=ij_begin,ij_end |
---|
537 | ! dtheta_rhodz = -div(flux.theta) |
---|
538 | dtheta_rhodz(ij,l,iq)= & |
---|
539 | -1./Ai(ij)*(ne_right*FTHETA(ij+u_right) + & |
---|
540 | ne_rup*FTHETA(ij+u_rup) + & |
---|
541 | ne_lup*FTHETA(ij+u_lup) + & |
---|
542 | ne_left*FTHETA(ij+u_left) + & |
---|
543 | ne_ldown*FTHETA(ij+u_ldown) + & |
---|
544 | ne_rdown*FTHETA(ij+u_rdown) ) |
---|
545 | END DO |
---|
546 | END DO |
---|
547 | |
---|
548 | !DIR$ SIMD |
---|
549 | DO ij=ij_begin,ij_end |
---|
550 | ! convm = -div(mass flux), sign convention as in Ringler et al. 2012, eq. 21 |
---|
551 | convm(ij,l)= -1./Ai(ij)*(ne_right*hflux(ij+u_right,l) + & |
---|
552 | ne_rup*hflux(ij+u_rup,l) + & |
---|
553 | ne_lup*hflux(ij+u_lup,l) + & |
---|
554 | ne_left*hflux(ij+u_left,l) + & |
---|
555 | ne_ldown*hflux(ij+u_ldown,l) + & |
---|
556 | ne_rdown*hflux(ij+u_rdown,l)) |
---|
557 | END DO ! ij |
---|
558 | END DO ! llm |
---|
559 | |
---|
560 | !!! Compute potential vorticity (Coriolis) contribution to du |
---|
561 | SELECT CASE(caldyn_conserv) |
---|
562 | |
---|
563 | CASE(energy) ! energy-conserving TRiSK |
---|
564 | |
---|
565 | DO l=ll_begin,ll_end |
---|
566 | !DIR$ SIMD |
---|
567 | DO ij=ij_begin,ij_end |
---|
568 | uu_right = & |
---|
569 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)*(qu(ij+u_right,l)+qu(ij+u_rup,l))+ & |
---|
570 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)*(qu(ij+u_right,l)+qu(ij+u_lup,l))+ & |
---|
571 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)*(qu(ij+u_right,l)+qu(ij+u_left,l))+ & |
---|
572 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)*(qu(ij+u_right,l)+qu(ij+u_ldown,l))+ & |
---|
573 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)*(qu(ij+u_right,l)+qu(ij+u_rdown,l))+ & |
---|
574 | wee(ij+u_right,1,2)*hflux(ij+t_right+u_ldown,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_ldown,l))+ & |
---|
575 | wee(ij+u_right,2,2)*hflux(ij+t_right+u_rdown,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_rdown,l))+ & |
---|
576 | wee(ij+u_right,3,2)*hflux(ij+t_right+u_right,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_right,l))+ & |
---|
577 | wee(ij+u_right,4,2)*hflux(ij+t_right+u_rup,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_rup,l))+ & |
---|
578 | wee(ij+u_right,5,2)*hflux(ij+t_right+u_lup,l)*(qu(ij+u_right,l)+qu(ij+t_right+u_lup,l)) |
---|
579 | uu_lup = & |
---|
580 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)*(qu(ij+u_lup,l)+qu(ij+u_left,l)) + & |
---|
581 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)*(qu(ij+u_lup,l)+qu(ij+u_ldown,l)) + & |
---|
582 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)*(qu(ij+u_lup,l)+qu(ij+u_rdown,l)) + & |
---|
583 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)*(qu(ij+u_lup,l)+qu(ij+u_right,l)) + & |
---|
584 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)*(qu(ij+u_lup,l)+qu(ij+u_rup,l)) + & |
---|
585 | wee(ij+u_lup,1,2)*hflux(ij+t_lup+u_right,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_right,l)) + & |
---|
586 | wee(ij+u_lup,2,2)*hflux(ij+t_lup+u_rup,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_rup,l)) + & |
---|
587 | wee(ij+u_lup,3,2)*hflux(ij+t_lup+u_lup,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_lup,l)) + & |
---|
588 | wee(ij+u_lup,4,2)*hflux(ij+t_lup+u_left,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_left,l)) + & |
---|
589 | wee(ij+u_lup,5,2)*hflux(ij+t_lup+u_ldown,l)*(qu(ij+u_lup,l)+qu(ij+t_lup+u_ldown,l)) |
---|
590 | uu_ldown = & |
---|
591 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)*(qu(ij+u_ldown,l)+qu(ij+u_rdown,l)) + & |
---|
592 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)*(qu(ij+u_ldown,l)+qu(ij+u_right,l)) + & |
---|
593 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)*(qu(ij+u_ldown,l)+qu(ij+u_rup,l)) + & |
---|
594 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)*(qu(ij+u_ldown,l)+qu(ij+u_lup,l)) + & |
---|
595 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)*(qu(ij+u_ldown,l)+qu(ij+u_left,l)) + & |
---|
596 | wee(ij+u_ldown,1,2)*hflux(ij+t_ldown+u_lup,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_lup,l)) + & |
---|
597 | wee(ij+u_ldown,2,2)*hflux(ij+t_ldown+u_left,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_left,l)) + & |
---|
598 | wee(ij+u_ldown,3,2)*hflux(ij+t_ldown+u_ldown,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_ldown,l)) + & |
---|
599 | wee(ij+u_ldown,4,2)*hflux(ij+t_ldown+u_rdown,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_rdown,l)) + & |
---|
600 | wee(ij+u_ldown,5,2)*hflux(ij+t_ldown+u_right,l)*(qu(ij+u_ldown,l)+qu(ij+t_ldown+u_right,l)) |
---|
601 | du(ij+u_right,l) = du(ij+u_right,l) + .5*uu_right |
---|
602 | du(ij+u_lup,l) = du(ij+u_lup,l) + .5*uu_lup |
---|
603 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + .5*uu_ldown |
---|
604 | ENDDO |
---|
605 | ENDDO |
---|
606 | |
---|
607 | CASE(enstrophy) ! enstrophy-conserving TRiSK |
---|
608 | |
---|
609 | DO l=ll_begin,ll_end |
---|
610 | !DIR$ SIMD |
---|
611 | DO ij=ij_begin,ij_end |
---|
612 | uu_right = & |
---|
613 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)+ & |
---|
614 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)+ & |
---|
615 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)+ & |
---|
616 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)+ & |
---|
617 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)+ & |
---|
618 | wee(ij+u_right,1,2)*hflux(ij+t_right+u_ldown,l)+ & |
---|
619 | wee(ij+u_right,2,2)*hflux(ij+t_right+u_rdown,l)+ & |
---|
620 | wee(ij+u_right,3,2)*hflux(ij+t_right+u_right,l)+ & |
---|
621 | wee(ij+u_right,4,2)*hflux(ij+t_right+u_rup,l)+ & |
---|
622 | wee(ij+u_right,5,2)*hflux(ij+t_right+u_lup,l) |
---|
623 | uu_lup = & |
---|
624 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)+ & |
---|
625 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)+ & |
---|
626 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)+ & |
---|
627 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)+ & |
---|
628 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)+ & |
---|
629 | wee(ij+u_lup,1,2)*hflux(ij+t_lup+u_right,l)+ & |
---|
630 | wee(ij+u_lup,2,2)*hflux(ij+t_lup+u_rup,l)+ & |
---|
631 | wee(ij+u_lup,3,2)*hflux(ij+t_lup+u_lup,l)+ & |
---|
632 | wee(ij+u_lup,4,2)*hflux(ij+t_lup+u_left,l)+ & |
---|
633 | wee(ij+u_lup,5,2)*hflux(ij+t_lup+u_ldown,l) |
---|
634 | uu_ldown = & |
---|
635 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)+ & |
---|
636 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)+ & |
---|
637 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)+ & |
---|
638 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)+ & |
---|
639 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)+ & |
---|
640 | wee(ij+u_ldown,1,2)*hflux(ij+t_ldown+u_lup,l)+ & |
---|
641 | wee(ij+u_ldown,2,2)*hflux(ij+t_ldown+u_left,l)+ & |
---|
642 | wee(ij+u_ldown,3,2)*hflux(ij+t_ldown+u_ldown,l)+ & |
---|
643 | wee(ij+u_ldown,4,2)*hflux(ij+t_ldown+u_rdown,l)+ & |
---|
644 | wee(ij+u_ldown,5,2)*hflux(ij+t_ldown+u_right,l) |
---|
645 | |
---|
646 | du(ij+u_right,l) = du(ij+u_right,l) + .5*uu_right |
---|
647 | du(ij+u_lup,l) = du(ij+u_lup,l) + .5*uu_lup |
---|
648 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + .5*uu_ldown |
---|
649 | END DO |
---|
650 | END DO |
---|
651 | CASE DEFAULT |
---|
652 | STOP |
---|
653 | END SELECT |
---|
654 | #undef FTHETA |
---|
655 | #endif |
---|
656 | |
---|
657 | CALL trace_end("compute_caldyn_Coriolis") |
---|
658 | |
---|
659 | END SUBROUTINE compute_caldyn_Coriolis |
---|
660 | |
---|
661 | SUBROUTINE compute_caldyn_slow_hydro(u,rhodz,hflux,du, zero) |
---|
662 | LOGICAL, INTENT(IN) :: zero |
---|
663 | REAL(rstd),INTENT(IN) :: u(3*iim*jjm,llm) ! prognostic "velocity" |
---|
664 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
665 | REAL(rstd),INTENT(OUT) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
---|
666 | REAL(rstd),INTENT(INOUT) :: du(3*iim*jjm,llm) |
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667 | |
---|
668 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
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669 | REAL(rstd) :: uu_right, uu_lup, uu_ldown, ke, uu |
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670 | INTEGER :: ij,l |
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671 | |
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672 | CALL trace_start("compute_caldyn_slow_hydro") |
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673 | |
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674 | #ifdef CPP_DYSL |
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675 | #define BERNI(ij,l) berni(ij,l) |
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676 | #include "../kernels/caldyn_slow_hydro.k90" |
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677 | #undef BERNI |
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678 | #else |
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679 | #define BERNI(ij) berni(ij,1) |
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680 | |
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681 | DO l = ll_begin, ll_end |
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682 | ! Compute mass fluxes |
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683 | IF (caldyn_conserv==energy) CALL test_message(req_qu) |
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684 | !DIR$ SIMD |
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685 | DO ij=ij_begin_ext,ij_end_ext |
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686 | uu_right=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) |
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687 | uu_lup=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) |
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688 | uu_ldown=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) |
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689 | uu_right= uu_right*le_de(ij+u_right) |
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690 | uu_lup = uu_lup *le_de(ij+u_lup) |
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691 | uu_ldown= uu_ldown*le_de(ij+u_ldown) |
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692 | hflux(ij+u_right,l)=uu_right |
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693 | hflux(ij+u_lup,l) =uu_lup |
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694 | hflux(ij+u_ldown,l)=uu_ldown |
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695 | ENDDO |
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696 | ! Compute Bernoulli=kinetic energy |
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697 | !DIR$ SIMD |
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698 | DO ij=ij_begin,ij_end |
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699 | BERNI(ij) = & |
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700 | 1/(4*Ai(ij))*(le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
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701 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
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702 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
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703 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
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704 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
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705 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) |
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706 | ENDDO |
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707 | ! Compute du=-grad(Bernoulli) |
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708 | IF(zero) THEN |
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709 | !DIR$ SIMD |
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710 | DO ij=ij_begin,ij_end |
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711 | du(ij+u_right,l) = ne_right*(BERNI(ij)-BERNI(ij+t_right)) |
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712 | du(ij+u_lup,l) = ne_lup*(BERNI(ij)-BERNI(ij+t_lup)) |
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713 | du(ij+u_ldown,l) = ne_ldown*(BERNI(ij)-BERNI(ij+t_ldown)) |
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714 | END DO |
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715 | ELSE |
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716 | !DIR$ SIMD |
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717 | DO ij=ij_begin,ij_end |
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718 | du(ij+u_right,l) = du(ij+u_right,l) + & |
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719 | ne_right*(BERNI(ij)-BERNI(ij+t_right)) |
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720 | du(ij+u_lup,l) = du(ij+u_lup,l) + & |
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721 | ne_lup*(BERNI(ij)-BERNI(ij+t_lup)) |
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722 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + & |
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723 | ne_ldown*(BERNI(ij)-BERNI(ij+t_ldown)) |
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724 | END DO |
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725 | END IF |
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726 | END DO |
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727 | #undef BERNI |
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728 | #endif |
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729 | CALL trace_end("compute_caldyn_slow_hydro") |
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730 | END SUBROUTINE compute_caldyn_slow_hydro |
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731 | |
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732 | SUBROUTINE compute_caldyn_slow_NH(u,rhodz,Phi,W, F_el,gradPhi2,w_il, hflux,du,dPhi,dW) |
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733 | REAL(rstd),INTENT(IN) :: u(3*iim*jjm,llm) ! prognostic "velocity" |
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734 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) ! rho*dz |
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735 | REAL(rstd),INTENT(IN) :: Phi(iim*jjm,llm+1) ! prognostic geopotential |
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736 | REAL(rstd),INTENT(IN) :: W(iim*jjm,llm+1) ! prognostic vertical momentum |
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737 | |
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738 | REAL(rstd),INTENT(OUT) :: hflux(3*iim*jjm,llm) ! hflux in kg/s |
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739 | REAL(rstd),INTENT(OUT) :: du(3*iim*jjm,llm) |
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740 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
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741 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
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742 | |
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743 | REAL(rstd) :: w_il(iim*jjm,llm+1) ! Wil/mil |
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744 | REAL(rstd) :: F_el(3*iim*jjm,llm+1) ! NH mass flux |
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745 | REAL(rstd) :: gradPhi2(iim*jjm,llm+1) ! grad_Phi**2 |
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746 | REAL(rstd) :: DePhil(3*iim*jjm,llm+1) ! grad(Phi) |
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747 | |
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748 | INTEGER :: ij,l,kdown,kup |
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749 | REAL(rstd) :: W_el, W2_el, uu_right, uu_lup, uu_ldown, gPhi2, dP, divG, u2, uu |
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750 | |
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751 | #ifdef CPP_DYSL |
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752 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
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753 | REAL(rstd) :: G_el(3*iim*jjm,llm+1) ! horizontal flux of W |
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754 | REAL(rstd) :: v_el(3*iim*jjm,llm+1) |
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755 | #else |
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756 | REAL(rstd) :: berni(iim*jjm) ! Bernoulli function |
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757 | REAL(rstd) :: G_el(3*iim*jjm) ! horizontal flux of W |
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758 | REAL(rstd) :: v_el(3*iim*jjm) |
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759 | #endif |
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760 | |
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761 | CALL trace_start("compute_caldyn_slow_NH") |
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762 | |
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763 | #ifdef CPP_DYSL |
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764 | !$OMP BARRIER |
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765 | #include "../kernels/caldyn_slow_NH.k90" |
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766 | !$OMP BARRIER |
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767 | #else |
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768 | DO l=ll_begin, ll_endp1 ! compute on l levels (interfaces) |
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769 | IF(l==1) THEN |
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770 | kdown=1 |
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771 | ELSE |
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772 | kdown=l-1 |
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773 | END IF |
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774 | IF(l==llm+1) THEN |
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775 | kup=llm |
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776 | ELSE |
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777 | kup=l |
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778 | END IF |
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779 | ! below : "checked" means "formula also valid when kup=kdown (top/bottom)" |
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780 | ! compute mil, wil=Wil/mil |
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781 | DO ij=ij_begin_ext, ij_end_ext |
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782 | w_il(ij,l) = 2.*W(ij,l)/(rhodz(ij,kdown)+rhodz(ij,kup)) ! checked |
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783 | END DO |
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784 | ! compute DePhi, v_el, G_el, F_el |
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785 | ! v_el, W2_el and therefore G_el incorporate metric factor le_de |
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786 | ! while DePhil, W_el and F_el don't |
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787 | DO ij=ij_begin_ext, ij_end_ext |
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788 | ! Compute on edge 'right' |
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789 | W_el = .5*( W(ij,l)+W(ij+t_right,l) ) |
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790 | DePhil(ij+u_right,l) = ne_right*(Phi(ij+t_right,l)-Phi(ij,l)) |
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791 | F_el(ij+u_right,l) = DePhil(ij+u_right,l)*W_el |
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792 | W2_el = .5*le_de(ij+u_right) * & |
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793 | ( W(ij,l)*w_il(ij,l) + W(ij+t_right,l)*w_il(ij+t_right,l) ) |
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794 | v_el(ij+u_right) = .5*le_de(ij+u_right)*(u(ij+u_right,kup)+u(ij+u_right,kdown)) ! checked |
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795 | G_el(ij+u_right) = v_el(ij+u_right)*W_el - DePhil(ij+u_right,l)*W2_el |
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796 | ! Compute on edge 'lup' |
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797 | W_el = .5*( W(ij,l)+W(ij+t_lup,l) ) |
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798 | DePhil(ij+u_lup,l) = ne_lup*(Phi(ij+t_lup,l)-Phi(ij,l)) |
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799 | F_el(ij+u_lup,l) = DePhil(ij+u_lup,l)*W_el |
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800 | W2_el = .5*le_de(ij+u_lup) * & |
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801 | ( W(ij,l)*w_il(ij,l) + W(ij+t_lup,l)*w_il(ij+t_lup,l) ) |
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802 | v_el(ij+u_lup) = .5*le_de(ij+u_lup)*( u(ij+u_lup,kup) + u(ij+u_lup,kdown)) ! checked |
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803 | G_el(ij+u_lup) = v_el(ij+u_lup)*W_el - DePhil(ij+u_lup,l)*W2_el |
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804 | ! Compute on edge 'ldown' |
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805 | W_el = .5*( W(ij,l)+W(ij+t_ldown,l) ) |
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806 | DePhil(ij+u_ldown,l) = ne_ldown*(Phi(ij+t_ldown,l)-Phi(ij,l)) |
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807 | F_el(ij+u_ldown,l) = DePhil(ij+u_ldown,l)*W_el |
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808 | W2_el = .5*le_de(ij+u_ldown) * & |
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809 | ( W(ij,l)*w_il(ij,l) + W(ij+t_ldown,l)*w_il(ij+t_ldown,l) ) |
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810 | v_el(ij+u_ldown) = .5*le_de(ij+u_ldown)*( u(ij+u_ldown,kup) + u(ij+u_ldown,kdown)) ! checked |
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811 | G_el(ij+u_ldown) = v_el(ij+u_ldown)*W_el - DePhil(ij+u_ldown,l)*W2_el |
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812 | END DO |
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813 | ! compute GradPhi2, dPhi, dW |
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814 | DO ij=ij_begin_ext, ij_end_ext |
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815 | gradPhi2(ij,l) = & |
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816 | 1/(2*Ai(ij))*(le_de(ij+u_right)*DePhil(ij+u_right,l)**2 + & |
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817 | le_de(ij+u_rup)*DePhil(ij+u_rup,l)**2 + & |
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818 | le_de(ij+u_lup)*DePhil(ij+u_lup,l)**2 + & |
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819 | le_de(ij+u_left)*DePhil(ij+u_left,l)**2 + & |
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820 | le_de(ij+u_ldown)*DePhil(ij+u_ldown,l)**2 + & |
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821 | le_de(ij+u_rdown)*DePhil(ij+u_rdown,l)**2 ) |
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822 | ! gradPhi2(ij,l) = 0. ! FIXME !! |
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823 | |
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824 | dPhi(ij,l) = gradPhi2(ij,l)*w_il(ij,l) -1/(2*Ai(ij))* & |
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825 | ( DePhil(ij+u_right,l)*v_el(ij+u_right) + & ! -v.gradPhi, |
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826 | DePhil(ij+u_rup,l)*v_el(ij+u_rup) + & ! v_el already has le_de |
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827 | DePhil(ij+u_lup,l)*v_el(ij+u_lup) + & |
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828 | DePhil(ij+u_left,l)*v_el(ij+u_left) + & |
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829 | DePhil(ij+u_ldown,l)*v_el(ij+u_ldown) + & |
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830 | DePhil(ij+u_rdown,l)*v_el(ij+u_rdown) ) |
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831 | |
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832 | dW(ij,l) = -1./Ai(ij)*( & ! -div(G_el), |
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833 | ne_right*G_el(ij+u_right) + & ! G_el already has le_de |
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834 | ne_rup*G_el(ij+u_rup) + & |
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835 | ne_lup*G_el(ij+u_lup) + & |
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836 | ne_left*G_el(ij+u_left) + & |
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837 | ne_ldown*G_el(ij+u_ldown) + & |
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838 | ne_rdown*G_el(ij+u_rdown)) |
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839 | END DO |
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840 | END DO |
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841 | |
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842 | DO l=ll_begin, ll_end ! compute on k levels (layers) |
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843 | ! Compute berni at scalar points |
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844 | DO ij=ij_begin_ext, ij_end_ext |
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845 | berni(ij) = & |
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846 | 1/(4*Ai(ij))*( & |
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847 | le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
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848 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
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849 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
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850 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
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851 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
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852 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) & |
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853 | - .25*( gradPhi2(ij,l) *w_il(ij,l)**2 + & |
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854 | gradPhi2(ij,l+1)*w_il(ij,l+1)**2 ) |
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855 | END DO |
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856 | ! Compute mass flux and grad(berni) at edges |
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857 | DO ij=ij_begin_ext, ij_end_ext |
---|
858 | ! Compute on edge 'right' |
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859 | uu_right = 0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) & |
---|
860 | -0.5*(F_el(ij+u_right,l)+F_el(ij+u_right,l+1)) |
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861 | hflux(ij+u_right,l) = uu_right*le_de(ij+u_right) |
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862 | du(ij+u_right,l) = ne_right*(berni(ij)-berni(ij+t_right)) |
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863 | ! Compute on edge 'lup' |
---|
864 | uu_lup = 0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) & |
---|
865 | -0.5*(F_el(ij+u_lup,l)+F_el(ij+u_lup,l+1)) |
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866 | hflux(ij+u_lup,l) = uu_lup*le_de(ij+u_lup) |
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867 | du(ij+u_lup,l) = ne_lup*(berni(ij)-berni(ij+t_lup)) |
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868 | ! Compute on edge 'ldown' |
---|
869 | uu_ldown = 0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) & |
---|
870 | -0.5*(F_el(ij+u_ldown,l)+F_el(ij+u_ldown,l+1)) |
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871 | hflux(ij+u_ldown,l) = uu_ldown*le_de(ij+u_ldown) |
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872 | du(ij+u_ldown,l) = ne_ldown*(berni(ij)-berni(ij+t_ldown)) |
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873 | END DO |
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874 | END DO |
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875 | #endif |
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876 | |
---|
877 | CALL trace_end("compute_caldyn_slow_NH") |
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878 | |
---|
879 | END SUBROUTINE compute_caldyn_slow_NH |
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880 | |
---|
881 | END MODULE caldyn_kernels_hevi_mod |
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