1 | MODULE caldyn_kernels_hevi_mod |
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2 | USE icosa |
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3 | USE transfert_mod |
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4 | USE caldyn_kernels_base_mod |
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5 | IMPLICIT NONE |
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6 | PRIVATE |
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7 | |
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8 | REAL(rstd), PARAMETER :: pbot=1e5, Phi_bot=0., rho_bot=1e6 ! FIXME |
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9 | |
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10 | LOGICAL, PARAMETER :: debug_hevi_solver = .FALSE. |
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11 | |
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12 | PUBLIC :: compute_theta, compute_pvort_only, compute_caldyn_slow, & |
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13 | compute_caldyn_solver, compute_caldyn_fast |
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14 | |
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15 | CONTAINS |
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16 | |
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17 | SUBROUTINE compute_theta(ps,theta_rhodz, rhodz,theta) |
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18 | USE disvert_mod, ONLY : mass_dak, mass_dbk, caldyn_eta, eta_mass, ptop |
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19 | USE exner_mod |
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20 | USE trace |
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21 | USE omp_para |
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22 | IMPLICIT NONE |
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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) |
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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) |
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27 | INTEGER :: ij,l |
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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 & theta |
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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 | IF(DEC) THEN ! ps is actually Ms |
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36 | m = mass_dak(l)+(ps(ij)*g+ptop)*mass_dbk(l) |
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37 | ELSE |
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38 | m = mass_dak(l)+ps(ij)*mass_dbk(l) |
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39 | END IF |
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40 | rhodz(ij,l) = m/g |
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41 | theta(ij,l) = theta_rhodz(ij,l)/rhodz(ij,l) |
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42 | ENDDO |
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43 | ENDDO |
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44 | ELSE ! Compute only theta |
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45 | DO l = ll_begin,ll_end |
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46 | !DIR$ SIMD |
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47 | DO ij=ij_begin_ext,ij_end_ext |
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48 | theta(ij,l) = theta_rhodz(ij,l)/rhodz(ij,l) |
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49 | ENDDO |
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50 | ENDDO |
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51 | END IF |
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52 | |
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53 | CALL trace_end("compute_theta") |
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54 | END SUBROUTINE compute_theta |
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55 | |
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56 | SUBROUTINE compute_pvort_only(u,rhodz,qu,qv) |
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57 | USE exner_mod |
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58 | USE trace |
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59 | USE omp_para |
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60 | IMPLICIT NONE |
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61 | REAL(rstd),INTENT(IN) :: u(iim*3*jjm,llm) |
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62 | REAL(rstd),INTENT(INOUT) :: rhodz(iim*jjm,llm) |
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63 | REAL(rstd),INTENT(OUT) :: qu(iim*3*jjm,llm) |
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64 | REAL(rstd),INTENT(OUT) :: qv(iim*2*jjm,llm) |
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65 | |
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66 | INTEGER :: ij,l |
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67 | REAL(rstd) :: etav,hv,radius_m2 |
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68 | |
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69 | CALL trace_start("compute_pvort_only") |
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70 | !!! Compute shallow-water potential vorticity |
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71 | radius_m2=radius**(-2) |
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72 | DO l = ll_begin,ll_end |
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73 | !DIR$ SIMD |
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74 | DO ij=ij_begin_ext,ij_end_ext |
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75 | IF(DEC) THEN |
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76 | etav= 1./Av(ij+z_up)*( ne_rup * u(ij+u_rup,l) & |
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77 | + ne_left * u(ij+t_rup+u_left,l) & |
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78 | - ne_lup * u(ij+u_lup,l) ) |
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79 | |
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80 | hv = Riv2(ij,vup) * rhodz(ij,l) & |
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81 | + Riv2(ij+t_rup,vldown) * rhodz(ij+t_rup,l) & |
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82 | + Riv2(ij+t_lup,vrdown) * rhodz(ij+t_lup,l) |
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83 | qv(ij+z_up,l) = ( etav+fv(ij+z_up) )/hv |
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84 | |
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85 | etav = 1./Av(ij+z_down)*( ne_ldown * u(ij+u_ldown,l) & |
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86 | + ne_right * u(ij+t_ldown+u_right,l) & |
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87 | - ne_rdown * u(ij+u_rdown,l) ) |
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88 | hv = Riv2(ij,vdown) * rhodz(ij,l) & |
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89 | + Riv2(ij+t_ldown,vrup) * rhodz(ij+t_ldown,l) & |
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90 | + Riv2(ij+t_rdown,vlup) * rhodz(ij+t_rdown,l) |
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91 | qv(ij+z_down,l) =( etav+fv(ij+z_down) )/hv |
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92 | ELSE |
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93 | etav= 1./Av(ij+z_up)*( ne_rup * u(ij+u_rup,l) * de(ij+u_rup) & |
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94 | + ne_left * u(ij+t_rup+u_left,l) * de(ij+t_rup+u_left) & |
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95 | - ne_lup * u(ij+u_lup,l) * de(ij+u_lup) ) |
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96 | |
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97 | hv = Riv2(ij,vup) * rhodz(ij,l) & |
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98 | + Riv2(ij+t_rup,vldown) * rhodz(ij+t_rup,l) & |
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99 | + Riv2(ij+t_lup,vrdown) * rhodz(ij+t_lup,l) |
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100 | qv(ij+z_up,l) = ( etav+fv(ij+z_up) )/hv |
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101 | |
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102 | etav = 1./Av(ij+z_down)*( ne_ldown * u(ij+u_ldown,l) * de(ij+u_ldown) & |
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103 | + ne_right * u(ij+t_ldown+u_right,l) * de(ij+t_ldown+u_right) & |
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104 | - ne_rdown * u(ij+u_rdown,l) * de(ij+u_rdown) ) |
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105 | hv = Riv2(ij,vdown) * rhodz(ij,l) & |
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106 | + Riv2(ij+t_ldown,vrup) * rhodz(ij+t_ldown,l) & |
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107 | + Riv2(ij+t_rdown,vlup) * rhodz(ij+t_rdown,l) |
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108 | qv(ij+z_down,l) =( etav+fv(ij+z_down) )/hv |
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109 | END IF |
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110 | ENDDO |
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111 | |
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112 | !DIR$ SIMD |
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113 | DO ij=ij_begin,ij_end |
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114 | qu(ij+u_right,l) = 0.5*(qv(ij+z_rdown,l)+qv(ij+z_rup,l)) |
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115 | qu(ij+u_lup,l) = 0.5*(qv(ij+z_up,l)+qv(ij+z_lup,l)) |
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116 | qu(ij+u_ldown,l) = 0.5*(qv(ij+z_ldown,l)+qv(ij+z_down,l)) |
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117 | END DO |
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118 | |
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119 | ENDDO |
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120 | |
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121 | CALL trace_end("compute_pvort_only") |
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122 | |
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123 | END SUBROUTINE compute_pvort_only |
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124 | |
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125 | SUBROUTINE compute_NH_geopot(tau, m_ik, m_il, theta, W_il, Phi_il) |
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126 | USE omp_para |
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127 | USE disvert_mod |
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128 | IMPLICIT NONE |
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129 | REAL(rstd),INTENT(IN) :: tau ! solve Phi-tau*dPhi/dt = Phi_rhs |
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130 | REAL(rstd),INTENT(IN) :: m_ik(iim*jjm,llm) |
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131 | REAL(rstd),INTENT(IN) :: m_il(iim*jjm,llm+1) |
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132 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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133 | REAL(rstd),INTENT(IN) :: W_il(iim*jjm,llm+1) ! vertical momentum |
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134 | REAL(rstd),INTENT(INOUT) :: Phi_il(iim*jjm,llm+1) ! geopotential |
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135 | |
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136 | REAL(rstd) :: Phi_star_il(iim*jjm,llm+1) |
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137 | REAL(rstd) :: p_ik(iim*jjm,llm) ! pressure |
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138 | REAL(rstd) :: R_il(iim*jjm,llm+1) ! rhs of tridiag problem |
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139 | REAL(rstd) :: x_il(iim*jjm,llm+1) ! solution of tridiag problem |
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140 | REAL(rstd) :: A_ik(iim*jjm,llm) ! off-diagonal coefficients of tridiag problem |
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141 | REAL(rstd) :: B_il(iim*jjm,llm+1) ! diagonal coefficients of tridiag problem |
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142 | REAL(rstd) :: C_ik(iim*jjm,llm) ! Thomas algorithm |
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143 | REAL(rstd) :: D_il(iim*jjm,llm+1) ! Thomas algorithm |
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144 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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145 | REAL(rstd) :: wil, tau2_g, g2, gm2, ml_g2, c2_mik |
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146 | |
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147 | INTEGER :: iter, ij, l |
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148 | |
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149 | ! FIXME : vertical OpenMP parallelism will not work |
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150 | |
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151 | tau2_g=tau*tau/g |
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152 | g2=g*g |
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153 | gm2 = g**-2 |
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154 | gamma = 1./(1.-kappa) |
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155 | |
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156 | ! compute Phi_star |
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157 | DO l=1,llm+1 |
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158 | !DIR$ SIMD |
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159 | DO ij=ij_begin_ext,ij_end_ext |
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160 | Phi_star_il(ij,l) = Phi_il(ij,l) + tau*g2*(W_il(ij,l)/m_il(ij,l)-tau) |
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161 | ENDDO |
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162 | ENDDO |
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163 | |
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164 | ! Newton-Raphson iteration : Phi_il contains current guess value |
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165 | DO iter=1,2 ! 2 iterations should be enough |
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166 | |
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167 | ! Compute pressure, A_ik |
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168 | DO l=1,llm |
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169 | !DIR$ SIMD |
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170 | DO ij=ij_begin_ext,ij_end_ext |
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171 | rho_ij = (g*m_ik(ij,l))/(Phi_il(ij,l+1)-Phi_il(ij,l)) |
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172 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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173 | p_ik(ij,l) = preff*(X_ij**gamma) |
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174 | 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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175 | A_ik(ij,l) = c2_mik*(tau/g*rho_ij)**2 |
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176 | ENDDO |
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177 | ENDDO |
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178 | |
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179 | ! Compute residual, B_il |
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180 | ! bottom interface l=1 |
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181 | !DIR$ SIMD |
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182 | DO ij=ij_begin_ext,ij_end_ext |
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183 | ml_g2 = gm2*m_il(ij,1) |
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184 | B_il(ij,1) = A_ik(ij,1) + ml_g2 + tau2_g*rho_bot |
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185 | R_il(ij,1) = ml_g2*( Phi_il(ij,1)-Phi_star_il(ij,1)) & |
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186 | + tau2_g*( p_ik(ij,1)-pbot+rho_bot*(Phi_il(ij,1)-Phi_bot) ) |
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187 | ENDDO |
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188 | ! inner interfaces |
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189 | DO l=2,llm |
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190 | !DIR$ SIMD |
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191 | DO ij=ij_begin_ext,ij_end_ext |
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192 | ml_g2 = gm2*m_il(ij,l) |
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193 | B_il(ij,l) = A_ik(ij,l)+A_ik(ij,l-1) + ml_g2 |
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194 | R_il(ij,l) = ml_g2*( Phi_il(ij,l)-Phi_star_il(ij,l)) & |
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195 | + tau2_g*(p_ik(ij,l)-p_ik(ij,l-1)) |
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196 | ! consistency check : if Wil=0 and initial state is in hydrostatic balance |
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197 | ! then Phi_star_il(ij,l) = Phi_il(ij,l) - tau^2*g^2 |
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198 | ! and residual = tau^2*(ml+(1/g)dl_pi)=0 |
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199 | ENDDO |
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200 | ENDDO |
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201 | ! top interface l=llm+1 |
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202 | !DIR$ SIMD |
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203 | DO ij=ij_begin_ext,ij_end_ext |
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204 | ml_g2 = gm2*m_il(ij,llm+1) |
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205 | B_il(ij,llm+1) = A_ik(ij,llm) + ml_g2 |
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206 | R_il(ij,llm+1) = ml_g2*( Phi_il(ij,llm+1)-Phi_star_il(ij,llm+1)) & |
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207 | + tau2_g*( ptop-p_ik(ij,llm) ) |
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208 | ENDDO |
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209 | |
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210 | ! FIXME later |
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211 | ! the lines below modify the tridiag problem |
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212 | ! for flat, rigid boundary conditions at top and bottom : |
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213 | ! zero out A(1), A(llm), R(1), R(llm+1) |
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214 | ! => x(l)=0 at l=1,llm+1 |
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215 | DO ij=ij_begin_ext,ij_end_ext |
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216 | A_ik(ij,1) = 0. |
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217 | A_ik(ij,llm) = 0. |
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218 | R_il(ij,1) = 0. |
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219 | R_il(ij,llm+1) = 0. |
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220 | ENDDO |
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221 | |
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222 | IF(debug_hevi_solver) THEN ! print Linf(residual) |
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223 | PRINT *, '[hevi_solver] R,p', iter, MAXVAL(ABS(R_il)), MAXVAL(p_ik) |
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224 | END IF |
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225 | |
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226 | ! 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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227 | ! Forward sweep : |
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228 | ! C(0)=0, C(l) = -A(l) / (B(l)+A(l-1)C(l-1)), |
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229 | ! 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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230 | ! bottom interface l=1 |
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231 | !DIR$ SIMD |
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232 | DO ij=ij_begin_ext,ij_end_ext |
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233 | X_ij = 1./B_il(ij,1) |
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234 | C_ik(ij,1) = -A_ik(ij,1) * X_ij |
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235 | D_il(ij,1) = R_il(ij,1) * X_ij |
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236 | ENDDO |
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237 | ! inner interfaces/layers |
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238 | DO l=2,llm |
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239 | !DIR$ SIMD |
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240 | DO ij=ij_begin_ext,ij_end_ext |
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241 | X_ij = 1./(B_il(ij,l) + A_ik(ij,l-1)*C_ik(ij,l-1)) |
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242 | C_ik(ij,l) = -A_ik(ij,l) * X_ij |
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243 | D_il(ij,l) = (R_il(ij,l)+A_ik(ij,l-1)*D_il(ij,l-1)) * X_ij |
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244 | ENDDO |
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245 | ENDDO |
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246 | ! top interface l=llm+1 |
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247 | !DIR$ SIMD |
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248 | DO ij=ij_begin_ext,ij_end_ext |
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249 | X_ij = 1./(B_il(ij,llm+1) + A_ik(ij,llm)*C_ik(ij,llm)) |
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250 | D_il(ij,llm+1) = (R_il(ij,llm+1)+A_ik(ij,llm)*D_il(ij,llm)) * X_ij |
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251 | ENDDO |
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252 | |
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253 | ! Back substitution : |
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254 | ! x(i) = D(i)-C(i)x(i+1), x(N+1)=0 |
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255 | ! + Newton-Raphson update |
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256 | x_il=0. ! FIXME |
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257 | ! top interface l=llm+1 |
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258 | !DIR$ SIMD |
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259 | DO ij=ij_begin_ext,ij_end_ext |
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260 | x_il(ij,llm+1) = D_il(ij,llm+1) |
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261 | Phi_il(ij,llm+1) = Phi_il(ij,llm+1) - x_il(ij,llm+1) |
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262 | ENDDO |
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263 | ! lower interfaces |
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264 | DO l=llm,1,-1 |
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265 | !DIR$ SIMD |
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266 | DO ij=ij_begin_ext,ij_end_ext |
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267 | x_il(ij,l) = D_il(ij,l) - C_ik(ij,l)*x_il(ij,l+1) |
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268 | Phi_il(ij,l) = Phi_il(ij,l) - x_il(ij,l) |
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269 | ENDDO |
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270 | ENDDO |
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271 | |
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272 | IF(debug_hevi_solver) THEN |
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273 | PRINT *, '[hevi_solver] A,B', iter, MAXVAL(ABS(A_ik)),MAXVAL(ABS(B_il)) |
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274 | PRINT *, '[hevi_solver] C,D', iter, MAXVAL(ABS(C_ik)),MAXVAL(ABS(D_il)) |
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275 | DO l=1,llm+1 |
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276 | WRITE(*,'(A,I2.1,I3.2,E9.2)'), '[hevi_solver] x', iter,l, MAXVAL(ABS(x_il(:,l))) |
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277 | END DO |
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278 | END IF |
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279 | |
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280 | END DO ! Newton-Raphson |
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281 | |
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282 | END SUBROUTINE compute_NH_geopot |
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283 | |
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284 | SUBROUTINE compute_caldyn_solver(tau,rhodz,theta,pk, geopot,W, dPhi,dW) |
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285 | USE disvert_mod |
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286 | USE exner_mod |
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287 | USE trace |
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288 | USE omp_para |
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289 | IMPLICIT NONE |
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290 | REAL(rstd),INTENT(IN) :: tau ! "solve" Phi-tau*dPhi/dt = Phi_rhs |
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291 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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292 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
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293 | REAL(rstd),INTENT(OUT) :: pk(iim*jjm,llm) |
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294 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
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295 | REAL(rstd),INTENT(INOUT) :: W(iim*jjm,llm+1) ! OUT if tau>0 |
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296 | REAL(rstd),INTENT(OUT) :: dW(iim*jjm,llm+1) |
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297 | REAL(rstd),INTENT(OUT) :: dPhi(iim*jjm,llm+1) |
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298 | |
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299 | REAL(rstd) :: m_il(iim*jjm,llm+1) ! rhodz averaged to interfaces |
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300 | REAL(rstd) :: gamma, rho_ij, X_ij, Y_ij |
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301 | INTEGER :: ij, l |
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302 | |
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303 | CALL trace_start("compute_caldyn_solver") |
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304 | |
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305 | ! FIXME : vertical OpenMP parallelism will not work |
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306 | |
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307 | ! average m_ik to interfaces => m_il |
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308 | !DIR$ SIMD |
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309 | DO ij=ij_begin_ext,ij_end_ext |
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310 | m_il(ij,1) = .5*rhodz(ij,1) |
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311 | ENDDO |
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312 | DO l=2,llm |
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313 | !DIR$ SIMD |
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314 | DO ij=ij_begin_ext,ij_end_ext |
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315 | m_il(ij,l) = .5*(rhodz(ij,l-1)+rhodz(ij,l)) |
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316 | ENDDO |
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317 | ENDDO |
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318 | !DIR$ SIMD |
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319 | DO ij=ij_begin_ext,ij_end_ext |
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320 | m_il(ij,llm+1) = .5*rhodz(ij,llm) |
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321 | ENDDO |
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322 | |
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323 | IF(tau>0) THEN ! solve implicit problem for geopotential |
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324 | CALL compute_NH_geopot(tau, rhodz, m_il, theta, W, geopot) |
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325 | END IF |
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326 | |
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327 | ! Compute pressure, stored temporarily in pk |
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328 | ! kappa = R/Cp |
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329 | ! 1-kappa = Cv/Cp |
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330 | ! Cp/Cv = 1/(1-kappa) |
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331 | gamma = 1./(1.-kappa) |
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332 | DO l=1,llm |
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333 | !DIR$ SIMD |
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334 | DO ij=ij_begin_ext,ij_end_ext |
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335 | rho_ij = (g*rhodz(ij,l))/(geopot(ij,l+1)-geopot(ij,l)) |
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336 | X_ij = (cpp/preff)*kappa*theta(ij,l)*rho_ij |
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337 | ! kappa.theta.rho = p/exner |
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338 | ! => X = (p/p0)/(exner/Cp) |
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339 | ! = (p/p0)^(1-kappa) |
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340 | pk(ij,l) = preff*(X_ij**gamma) |
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341 | ENDDO |
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342 | ENDDO |
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343 | |
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344 | ! Update W, compute tendencies for geopotential and vertical momentum |
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345 | DO l=2,llm |
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346 | !DIR$ SIMD |
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347 | DO ij=ij_begin_ext,ij_end_ext |
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348 | dW(ij,l) = (1./g)*(pk(ij,l-1)-pk(ij,l)) - m_il(ij,l) |
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349 | W(ij,l) = W(ij,l)+tau*dW(ij,l) ! update W |
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350 | dPhi(ij,l) = g*g*W(ij,l)/m_il(ij,l) |
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351 | ENDDO |
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352 | ! PRINT *,'Max dPhi', l,ij_begin,ij_end, MAXVAL(abs(dPhi(ij_begin:ij_end,l))) |
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353 | ! PRINT *,'Max dW', l,ij_begin,ij_end, MAXVAL(abs(dW(ij_begin:ij_end,l))) |
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354 | ENDDO |
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355 | ! Lower BC (FIXME : no orography yet !) |
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356 | DO ij=ij_begin,ij_end |
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357 | dPhi(ij,1)=0 |
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358 | W(ij,1)=0 |
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359 | dW(ij,1)=0 |
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360 | dPhi(ij,llm+1)=0 ! rigid lid |
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361 | W(ij,llm+1)=0 |
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362 | dW(ij,llm+1)=0 |
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363 | ENDDO |
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364 | ! Upper BC p=ptop |
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365 | ! DO ij=ij_omp_begin_ext,ij_omp_end_ext |
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366 | ! dPhi(ij,llm+1) = W(ij,llm+1)/rhodz(ij,llm) |
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367 | ! dW(ij,llm+1) = (1./g)*(pk(ij,llm)-ptop) - .5*rhodz(ij,llm) |
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368 | ! ENDDO |
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369 | |
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370 | ! Compute Exner function (needed by compute_caldyn_fast) |
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371 | DO l=1,llm |
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372 | !DIR$ SIMD |
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373 | DO ij=ij_begin_ext,ij_end_ext |
---|
374 | pk(ij,l) = cpp*((pk(ij,l)/preff)**kappa) ! other formulae possible if exponentiation is slow |
---|
375 | ENDDO |
---|
376 | ENDDO |
---|
377 | |
---|
378 | CALL trace_end("compute_caldyn_solver") |
---|
379 | |
---|
380 | END SUBROUTINE compute_caldyn_solver |
---|
381 | |
---|
382 | SUBROUTINE compute_caldyn_fast(tau,u,rhodz,theta,pk,geopot,du) |
---|
383 | USE icosa |
---|
384 | USE disvert_mod |
---|
385 | USE exner_mod |
---|
386 | USE trace |
---|
387 | USE omp_para |
---|
388 | IMPLICIT NONE |
---|
389 | REAL(rstd),INTENT(IN) :: tau ! "solve" u-tau*du/dt = rhs |
---|
390 | REAL(rstd),INTENT(INOUT) :: u(iim*3*jjm,llm) ! OUT if tau>0 |
---|
391 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
392 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) |
---|
393 | REAL(rstd),INTENT(INOUT) :: pk(iim*jjm,llm) |
---|
394 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
---|
395 | REAL(rstd),INTENT(OUT) :: du(iim*3*jjm,llm) |
---|
396 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
---|
397 | |
---|
398 | INTEGER :: i,j,ij,l |
---|
399 | REAL(rstd) :: due_right, due_lup, due_ldown |
---|
400 | |
---|
401 | CALL trace_start("compute_caldyn_fast") |
---|
402 | |
---|
403 | ! Compute Bernoulli term |
---|
404 | IF(boussinesq) THEN |
---|
405 | |
---|
406 | DO l=ll_begin,ll_end |
---|
407 | !DIR$ SIMD |
---|
408 | DO ij=ij_begin,ij_end |
---|
409 | berni(ij,l) = pk(ij,l) |
---|
410 | ! from now on pk contains the vertically-averaged geopotential |
---|
411 | pk(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
---|
412 | ENDDO |
---|
413 | ENDDO |
---|
414 | |
---|
415 | ELSE ! compressible |
---|
416 | |
---|
417 | DO l=ll_begin,ll_end |
---|
418 | !DIR$ SIMD |
---|
419 | DO ij=ij_begin,ij_end |
---|
420 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
---|
421 | ENDDO |
---|
422 | ENDDO |
---|
423 | |
---|
424 | END IF ! Boussinesq/compressible |
---|
425 | |
---|
426 | !!! u:=u+tau*du, du = gradients of Bernoulli and Exner functions |
---|
427 | DO l=ll_begin,ll_end |
---|
428 | !DIR$ SIMD |
---|
429 | DO ij=ij_begin,ij_end |
---|
430 | due_right = 0.5*(theta(ij,l)+theta(ij+t_right,l)) & |
---|
431 | *(ne_right*pk(ij,l) +ne_left*pk(ij+t_right,l)) & |
---|
432 | + ne_right*berni(ij,l)+ne_left*berni(ij+t_right,l) |
---|
433 | due_lup = 0.5*(theta(ij,l)+theta(ij+t_lup,l)) & |
---|
434 | *(ne_lup*pk(ij,l) +ne_rdown*pk(ij+t_lup,l)) & |
---|
435 | + ne_lup*berni(ij,l)+ne_rdown*berni(ij+t_lup,l) |
---|
436 | due_ldown = 0.5*(theta(ij,l)+theta(ij+t_ldown,l)) & |
---|
437 | *(ne_ldown*pk(ij,l) +ne_rup*pk(ij+t_ldown,l)) & |
---|
438 | + ne_ldown*berni(ij,l)+ne_rup*berni(ij+t_ldown,l) |
---|
439 | IF(.NOT.DEC) THEN |
---|
440 | due_right = due_right/de(ij+u_right) |
---|
441 | due_lup = due_lup/de(ij+u_lup) |
---|
442 | due_ldown = due_ldown/de(ij+u_ldown) |
---|
443 | END IF |
---|
444 | du(ij+u_right,l) = due_right |
---|
445 | du(ij+u_lup,l) = due_lup |
---|
446 | du(ij+u_ldown,l) = due_ldown |
---|
447 | u(ij+u_right,l) = u(ij+u_right,l) + tau*due_right |
---|
448 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*due_lup |
---|
449 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*due_ldown |
---|
450 | ENDDO |
---|
451 | ENDDO |
---|
452 | |
---|
453 | CALL trace_end("compute_caldyn_fast") |
---|
454 | |
---|
455 | END SUBROUTINE compute_caldyn_fast |
---|
456 | |
---|
457 | SUBROUTINE compute_caldyn_slow(u,rhodz,qu,theta, hflux,convm, dtheta_rhodz, du) |
---|
458 | USE icosa |
---|
459 | USE disvert_mod |
---|
460 | USE exner_mod |
---|
461 | USE trace |
---|
462 | USE omp_para |
---|
463 | IMPLICIT NONE |
---|
464 | REAL(rstd),INTENT(IN) :: u(iim*3*jjm,llm) ! prognostic "velocity" |
---|
465 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
---|
466 | REAL(rstd),INTENT(IN) :: qu(iim*3*jjm,llm) |
---|
467 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm) ! potential temperature |
---|
468 | |
---|
469 | REAL(rstd),INTENT(OUT) :: hflux(iim*3*jjm,llm) ! hflux in kg/s |
---|
470 | REAL(rstd),INTENT(OUT) :: convm(iim*jjm,llm) ! mass flux convergence |
---|
471 | REAL(rstd),INTENT(OUT) :: dtheta_rhodz(iim*jjm,llm) |
---|
472 | REAL(rstd),INTENT(OUT) :: du(iim*3*jjm,llm) |
---|
473 | |
---|
474 | REAL(rstd) :: cor_NT(iim*jjm,llm) ! NT coriolis force u.(du/dPhi) |
---|
475 | REAL(rstd) :: urel(3*iim*jjm,llm) ! relative velocity |
---|
476 | REAL(rstd) :: Ftheta(3*iim*jjm,llm) ! theta flux |
---|
477 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
---|
478 | |
---|
479 | INTEGER :: ij,l |
---|
480 | REAL(rstd) :: uu_right, uu_lup, uu_ldown |
---|
481 | |
---|
482 | CALL trace_start("compute_caldyn_slow") |
---|
483 | |
---|
484 | DO l = ll_begin, ll_end |
---|
485 | !!! Compute mass and theta fluxes |
---|
486 | IF (caldyn_conserv==energy) CALL test_message(req_qu) |
---|
487 | !DIR$ SIMD |
---|
488 | DO ij=ij_begin_ext,ij_end_ext |
---|
489 | uu_right=0.5*(rhodz(ij,l)+rhodz(ij+t_right,l))*u(ij+u_right,l) |
---|
490 | uu_lup=0.5*(rhodz(ij,l)+rhodz(ij+t_lup,l))*u(ij+u_lup,l) |
---|
491 | uu_ldown=0.5*(rhodz(ij,l)+rhodz(ij+t_ldown,l))*u(ij+u_ldown,l) |
---|
492 | IF(DEC) THEN |
---|
493 | uu_right= uu_right*le(ij+u_right)/de(ij+u_right) |
---|
494 | uu_lup = uu_lup *le(ij+u_lup)/de(ij+u_lup) |
---|
495 | uu_ldown= uu_ldown*le(ij+u_ldown)/de(ij+u_ldown) |
---|
496 | ELSE |
---|
497 | uu_right= uu_right*le(ij+u_right) |
---|
498 | uu_lup = uu_lup *le(ij+u_lup) |
---|
499 | uu_ldown= uu_ldown*le(ij+u_ldown) |
---|
500 | END IF |
---|
501 | hflux(ij+u_right,l)=uu_right |
---|
502 | hflux(ij+u_lup,l) =uu_lup |
---|
503 | hflux(ij+u_ldown,l)=uu_ldown |
---|
504 | Ftheta(ij+u_right,l)=0.5*(theta(ij,l)+theta(ij+t_right,l))*uu_right |
---|
505 | Ftheta(ij+u_lup,l)=0.5*(theta(ij,l)+theta(ij+t_lup,l))*uu_lup |
---|
506 | Ftheta(ij+u_ldown,l)=0.5*(theta(ij,l)+theta(ij+t_ldown,l))*uu_ldown |
---|
507 | ENDDO |
---|
508 | |
---|
509 | !!! compute horizontal divergence of fluxes |
---|
510 | !DIR$ SIMD |
---|
511 | DO ij=ij_begin,ij_end |
---|
512 | ! convm = -div(mass flux), sign convention as in Ringler et al. 2012, eq. 21 |
---|
513 | convm(ij,l)= -1./Ai(ij)*(ne_right*hflux(ij+u_right,l) + & |
---|
514 | ne_rup*hflux(ij+u_rup,l) + & |
---|
515 | ne_lup*hflux(ij+u_lup,l) + & |
---|
516 | ne_left*hflux(ij+u_left,l) + & |
---|
517 | ne_ldown*hflux(ij+u_ldown,l) + & |
---|
518 | ne_rdown*hflux(ij+u_rdown,l)) |
---|
519 | |
---|
520 | ! signe ? attention d (rho theta dz) |
---|
521 | ! dtheta_rhodz = -div(flux.theta) |
---|
522 | dtheta_rhodz(ij,l)=-1./Ai(ij)*(ne_right*Ftheta(ij+u_right,l) + & |
---|
523 | ne_rup*Ftheta(ij+u_rup,l) + & |
---|
524 | ne_lup*Ftheta(ij+u_lup,l) + & |
---|
525 | ne_left*Ftheta(ij+u_left,l) + & |
---|
526 | ne_ldown*Ftheta(ij+u_ldown,l) + & |
---|
527 | ne_rdown*Ftheta(ij+u_rdown,l)) |
---|
528 | ENDDO |
---|
529 | |
---|
530 | END DO |
---|
531 | |
---|
532 | !!! Compute potential vorticity (Coriolis) contribution to du |
---|
533 | |
---|
534 | SELECT CASE(caldyn_conserv) |
---|
535 | CASE(energy) ! energy-conserving TRiSK |
---|
536 | |
---|
537 | CALL wait_message(req_qu) |
---|
538 | |
---|
539 | DO l=ll_begin,ll_end |
---|
540 | !DIR$ SIMD |
---|
541 | DO ij=ij_begin,ij_end |
---|
542 | uu_right = & |
---|
543 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)*(qu(ij+u_right,l)+qu(ij+u_rup,l))+ & |
---|
544 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)*(qu(ij+u_right,l)+qu(ij+u_lup,l))+ & |
---|
545 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)*(qu(ij+u_right,l)+qu(ij+u_left,l))+ & |
---|
546 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)*(qu(ij+u_right,l)+qu(ij+u_ldown,l))+ & |
---|
547 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)*(qu(ij+u_right,l)+qu(ij+u_rdown,l))+ & |
---|
548 | 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))+ & |
---|
549 | 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))+ & |
---|
550 | 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))+ & |
---|
551 | 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))+ & |
---|
552 | 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)) |
---|
553 | uu_lup = & |
---|
554 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)*(qu(ij+u_lup,l)+qu(ij+u_left,l)) + & |
---|
555 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)*(qu(ij+u_lup,l)+qu(ij+u_ldown,l)) + & |
---|
556 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)*(qu(ij+u_lup,l)+qu(ij+u_rdown,l)) + & |
---|
557 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)*(qu(ij+u_lup,l)+qu(ij+u_right,l)) + & |
---|
558 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)*(qu(ij+u_lup,l)+qu(ij+u_rup,l)) + & |
---|
559 | 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)) + & |
---|
560 | 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)) + & |
---|
561 | 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)) + & |
---|
562 | 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)) + & |
---|
563 | 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)) |
---|
564 | uu_ldown = & |
---|
565 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)*(qu(ij+u_ldown,l)+qu(ij+u_rdown,l)) + & |
---|
566 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)*(qu(ij+u_ldown,l)+qu(ij+u_right,l)) + & |
---|
567 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)*(qu(ij+u_ldown,l)+qu(ij+u_rup,l)) + & |
---|
568 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)*(qu(ij+u_ldown,l)+qu(ij+u_lup,l)) + & |
---|
569 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)*(qu(ij+u_ldown,l)+qu(ij+u_left,l)) + & |
---|
570 | 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)) + & |
---|
571 | 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)) + & |
---|
572 | 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)) + & |
---|
573 | 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)) + & |
---|
574 | 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)) |
---|
575 | IF(DEC) THEN |
---|
576 | du(ij+u_right,l) = .5*uu_right |
---|
577 | du(ij+u_lup,l) = .5*uu_lup |
---|
578 | du(ij+u_ldown,l) = .5*uu_ldown |
---|
579 | ELSE |
---|
580 | du(ij+u_right,l) = .5*uu_right/de(ij+u_right) |
---|
581 | du(ij+u_lup,l) = .5*uu_lup /de(ij+u_lup) |
---|
582 | du(ij+u_ldown,l) = .5*uu_ldown/de(ij+u_ldown) |
---|
583 | END IF |
---|
584 | ENDDO |
---|
585 | ENDDO |
---|
586 | |
---|
587 | CASE(enstrophy) ! enstrophy-conserving TRiSK |
---|
588 | |
---|
589 | DO l=ll_begin,ll_end |
---|
590 | !DIR$ SIMD |
---|
591 | DO ij=ij_begin,ij_end |
---|
592 | uu_right = & |
---|
593 | wee(ij+u_right,1,1)*hflux(ij+u_rup,l)+ & |
---|
594 | wee(ij+u_right,2,1)*hflux(ij+u_lup,l)+ & |
---|
595 | wee(ij+u_right,3,1)*hflux(ij+u_left,l)+ & |
---|
596 | wee(ij+u_right,4,1)*hflux(ij+u_ldown,l)+ & |
---|
597 | wee(ij+u_right,5,1)*hflux(ij+u_rdown,l)+ & |
---|
598 | wee(ij+u_right,1,2)*hflux(ij+t_right+u_ldown,l)+ & |
---|
599 | wee(ij+u_right,2,2)*hflux(ij+t_right+u_rdown,l)+ & |
---|
600 | wee(ij+u_right,3,2)*hflux(ij+t_right+u_right,l)+ & |
---|
601 | wee(ij+u_right,4,2)*hflux(ij+t_right+u_rup,l)+ & |
---|
602 | wee(ij+u_right,5,2)*hflux(ij+t_right+u_lup,l) |
---|
603 | uu_lup = & |
---|
604 | wee(ij+u_lup,1,1)*hflux(ij+u_left,l)+ & |
---|
605 | wee(ij+u_lup,2,1)*hflux(ij+u_ldown,l)+ & |
---|
606 | wee(ij+u_lup,3,1)*hflux(ij+u_rdown,l)+ & |
---|
607 | wee(ij+u_lup,4,1)*hflux(ij+u_right,l)+ & |
---|
608 | wee(ij+u_lup,5,1)*hflux(ij+u_rup,l)+ & |
---|
609 | wee(ij+u_lup,1,2)*hflux(ij+t_lup+u_right,l)+ & |
---|
610 | wee(ij+u_lup,2,2)*hflux(ij+t_lup+u_rup,l)+ & |
---|
611 | wee(ij+u_lup,3,2)*hflux(ij+t_lup+u_lup,l)+ & |
---|
612 | wee(ij+u_lup,4,2)*hflux(ij+t_lup+u_left,l)+ & |
---|
613 | wee(ij+u_lup,5,2)*hflux(ij+t_lup+u_ldown,l) |
---|
614 | uu_ldown = & |
---|
615 | wee(ij+u_ldown,1,1)*hflux(ij+u_rdown,l)+ & |
---|
616 | wee(ij+u_ldown,2,1)*hflux(ij+u_right,l)+ & |
---|
617 | wee(ij+u_ldown,3,1)*hflux(ij+u_rup,l)+ & |
---|
618 | wee(ij+u_ldown,4,1)*hflux(ij+u_lup,l)+ & |
---|
619 | wee(ij+u_ldown,5,1)*hflux(ij+u_left,l)+ & |
---|
620 | wee(ij+u_ldown,1,2)*hflux(ij+t_ldown+u_lup,l)+ & |
---|
621 | wee(ij+u_ldown,2,2)*hflux(ij+t_ldown+u_left,l)+ & |
---|
622 | wee(ij+u_ldown,3,2)*hflux(ij+t_ldown+u_ldown,l)+ & |
---|
623 | wee(ij+u_ldown,4,2)*hflux(ij+t_ldown+u_rdown,l)+ & |
---|
624 | wee(ij+u_ldown,5,2)*hflux(ij+t_ldown+u_right,l) |
---|
625 | IF(DEC) THEN |
---|
626 | du(ij+u_right,l) = qu(ij+u_right,l)*uu_right |
---|
627 | du(ij+u_lup,l) = qu(ij+u_lup,l) *uu_lup |
---|
628 | du(ij+u_ldown,l) = qu(ij+u_ldown,l)*uu_ldown |
---|
629 | ELSE |
---|
630 | du(ij+u_right,l) = qu(ij+u_right,l)*uu_right/de(ij+u_right) |
---|
631 | du(ij+u_lup,l) = qu(ij+u_lup,l) *uu_lup /de(ij+u_lup) |
---|
632 | du(ij+u_ldown,l) = qu(ij+u_ldown,l)*uu_ldown/de(ij+u_ldown) |
---|
633 | END IF |
---|
634 | ENDDO |
---|
635 | ENDDO |
---|
636 | |
---|
637 | CASE DEFAULT |
---|
638 | STOP |
---|
639 | END SELECT |
---|
640 | |
---|
641 | ! Compute bernouilli term = Kinetic Energy |
---|
642 | le_de(:) = le(:)/de(:) ! FIXME - make sure le_de is what we expect |
---|
643 | DO l=ll_begin,ll_end |
---|
644 | !DIR$ SIMD |
---|
645 | DO ij=ij_begin,ij_end |
---|
646 | IF(DEC) THEN |
---|
647 | berni(ij,l) = & |
---|
648 | 1/(4*Ai(ij))*(le_de(ij+u_right)*u(ij+u_right,l)**2 + & |
---|
649 | le_de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
---|
650 | le_de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
---|
651 | le_de(ij+u_left)*u(ij+u_left,l)**2 + & |
---|
652 | le_de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
---|
653 | le_de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) |
---|
654 | ELSE |
---|
655 | berni(ij,l) = & |
---|
656 | 1/(4*Ai(ij))*(le(ij+u_right)*de(ij+u_right)*u(ij+u_right,l)**2 + & |
---|
657 | le(ij+u_rup)*de(ij+u_rup)*u(ij+u_rup,l)**2 + & |
---|
658 | le(ij+u_lup)*de(ij+u_lup)*u(ij+u_lup,l)**2 + & |
---|
659 | le(ij+u_left)*de(ij+u_left)*u(ij+u_left,l)**2 + & |
---|
660 | le(ij+u_ldown)*de(ij+u_ldown)*u(ij+u_ldown,l)**2 + & |
---|
661 | le(ij+u_rdown)*de(ij+u_rdown)*u(ij+u_rdown,l)**2 ) |
---|
662 | END IF |
---|
663 | ENDDO |
---|
664 | ENDDO |
---|
665 | |
---|
666 | !!! Add gradients of Bernoulli and Exner functions to du |
---|
667 | DO l=ll_begin,ll_end |
---|
668 | !DIR$ SIMD |
---|
669 | DO ij=ij_begin,ij_end |
---|
670 | IF(DEC) THEN |
---|
671 | du(ij+u_right,l) = du(ij+u_right,l) & |
---|
672 | + ne_right*berni(ij,l)+ne_left*berni(ij+t_right,l) |
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673 | du(ij+u_lup,l) = du(ij+u_lup,l) & |
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674 | + ne_lup*berni(ij,l)+ne_rdown*berni(ij+t_lup,l) |
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675 | du(ij+u_ldown,l) = du(ij+u_ldown,l) & |
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676 | + ne_ldown*berni(ij,l)+ne_rup*berni(ij+t_ldown,l) |
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677 | ELSE |
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678 | du(ij+u_right,l) = du(ij+u_right,l) + 1/de(ij+u_right) & |
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679 | * ( ne_right*berni(ij,l)+ne_left*berni(ij+t_right,l) ) |
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680 | du(ij+u_lup,l) = du(ij+u_lup,l) + 1/de(ij+u_lup) & |
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681 | * ( ne_lup*berni(ij,l)+ne_rdown*berni(ij+t_lup,l) ) |
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682 | du(ij+u_ldown,l) = du(ij+u_ldown,l) + 1/de(ij+u_ldown) & |
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683 | * ( ne_ldown*berni(ij,l)+ne_rup*berni(ij+t_ldown,l) ) |
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684 | END IF |
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685 | END DO |
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686 | ENDDO |
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687 | |
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688 | CALL trace_end("compute_caldyn_slow") |
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689 | |
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690 | END SUBROUTINE compute_caldyn_slow |
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691 | |
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692 | END MODULE caldyn_kernels_hevi_mod |
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