1 | MODULE compute_caldyn_fast_mod |
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2 | USE grid_param, ONLY : llm |
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3 | IMPLICIT NONE |
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4 | PRIVATE |
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5 | |
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6 | #include "../unstructured/unstructured.h90" |
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7 | |
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8 | PUBLIC :: compute_caldyn_fast |
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9 | |
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10 | CONTAINS |
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11 | |
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12 | #ifdef BEGIN_DYSL |
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13 | |
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14 | KERNEL(caldyn_fast) |
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15 | ! |
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16 | SELECT CASE(caldyn_thermo) |
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17 | CASE(thermo_boussinesq) |
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18 | FORALL_CELLS() |
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19 | ON_PRIMAL |
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20 | berni(CELL) = pk(CELL) |
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21 | ! from now on pk contains the vertically-averaged geopotential |
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22 | pk(CELL) = .5*(geopot(CELL)+geopot(UP(CELL))) |
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23 | END_BLOCK |
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24 | END_BLOCK |
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25 | CASE(thermo_theta) |
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26 | FORALL_CELLS() |
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27 | ON_PRIMAL |
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28 | berni(CELL) = .5*(geopot(CELL)+geopot(UP(CELL))) |
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29 | END_BLOCK |
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30 | END_BLOCK |
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31 | CASE(thermo_entropy) |
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32 | FORALL_CELLS() |
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33 | ON_PRIMAL |
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34 | berni(CELL) = .5*(geopot(CELL)+geopot(UP(CELL))) |
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35 | berni(CELL) = berni(CELL) + pk(CELL)*(cpp-theta(CELL,1)) ! Gibbs = Cp.T-Ts = T(Cp-s) |
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36 | END_BLOCK |
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37 | END_BLOCK |
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38 | CASE(thermo_variable_Cp) |
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39 | ! thermodynamics with variable Cp |
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40 | ! Cp(T) = Cp0 * (T/T0)^nu |
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41 | ! => h = Cp(T).T/(nu+1) |
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42 | |
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43 | FORALL_CELLS() |
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44 | ON_PRIMAL |
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45 | berni(CELL) = .5*(geopot(CELL)+geopot(UP(CELL))) |
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46 | cp_ik = cpp*(pk(CELL)/Treff)**nu |
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47 | berni(CELL) = berni(CELL) + pk(CELL)*(cp_ik/(nu+1.)-theta(CELL,1)) ! Gibbs = h-Ts = T(Cp/(nu+1)-s) |
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48 | END_BLOCK |
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49 | END_BLOCK |
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50 | CASE DEFAULT |
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51 | PRINT *, 'Unsupported value of caldyn_thermo : ',caldyn_thermo ! FIXME |
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52 | STOP |
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53 | END SELECT |
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54 | ! |
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55 | FORALL_CELLS() |
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56 | ON_EDGES |
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57 | due = .5*(theta(CELL1,1)+theta(CELL2,1))*(pk(CELL2)-pk(CELL1)) + berni(CELL2)-berni(CELL1) |
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58 | du(EDGE) = du(EDGE) - SIGN*due |
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59 | u(EDGE) = u(EDGE) + tau*du(EDGE) |
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60 | END_BLOCK |
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61 | END_BLOCK |
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62 | ! |
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63 | END_BLOCK |
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64 | |
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65 | #endif END_DYSL |
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66 | |
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67 | SUBROUTINE compute_caldyn_fast_unst(tau, pk,berni,theta,geopot, du,u) |
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68 | USE ISO_C_BINDING, only : C_DOUBLE, C_FLOAT |
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69 | USE earth_const |
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70 | USE grid_param, ONLY : nqdyn |
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71 | USE data_unstructured_mod, ONLY : enter_trace, exit_trace, & |
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72 | id_fast, primal_num, dual_num, edge_num, & |
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73 | dual_deg, dual_edge, dual_ne, dual_vertex, & |
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74 | up, down, left, right, Av, fv, Riv2 |
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75 | NUM, INTENT(IN) :: tau |
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76 | FIELD_MASS :: pk,berni ! INOUT, OUT |
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77 | FIELD_THETA :: theta ! IN |
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78 | FIELD_GEOPOT :: geopot ! IN |
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79 | FIELD_U :: u,du ! INOUT,INOUT |
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80 | DECLARE_INDICES |
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81 | DECLARE_EDGES |
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82 | NUM :: due, cp_ik |
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83 | START_TRACE(id_fast, 4,0,2) ! primal, dual, edge |
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84 | #include "../kernels_unst/caldyn_fast.k90" |
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85 | STOP_TRACE |
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86 | END SUBROUTINE compute_caldyn_fast_unst |
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87 | |
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88 | SUBROUTINE compute_caldyn_fast(tau,u,rhodz,theta,pk,geopot,du) |
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89 | USE icosa |
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90 | USE trace |
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91 | USE caldyn_vars_mod |
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92 | USE omp_para, ONLY : ll_begin, ll_end |
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93 | REAL(rstd),INTENT(IN) :: tau ! "solve" u-tau*du/dt = rhs |
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94 | REAL(rstd),INTENT(INOUT) :: u(iim*3*jjm,llm) ! OUT if tau>0 |
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95 | REAL(rstd),INTENT(IN) :: rhodz(iim*jjm,llm) |
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96 | REAL(rstd),INTENT(IN) :: theta(iim*jjm,llm,nqdyn) |
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97 | REAL(rstd),INTENT(INOUT) :: pk(iim*jjm,llm) |
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98 | REAL(rstd),INTENT(INOUT) :: geopot(iim*jjm,llm+1) |
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99 | REAL(rstd),INTENT(INOUT) :: du(iim*3*jjm,llm) |
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100 | REAL(rstd) :: berni(iim*jjm,llm) ! Bernoulli function |
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101 | REAL(rstd) :: berniv(iim*jjm,llm) ! moist Bernoulli function |
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102 | |
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103 | INTEGER :: i,j,ij,l |
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104 | REAL(rstd) :: cp_ik, qv, temp, chi, log_p_preff, due, due_right, due_lup, due_ldown |
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105 | |
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106 | CALL trace_start("compute_caldyn_fast") |
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107 | |
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108 | IF(dysl_caldyn_fast) THEN |
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109 | #include "../kernels_hex/caldyn_fast.k90" |
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110 | ELSE |
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111 | |
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112 | ! Compute Bernoulli term |
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113 | IF(boussinesq) THEN |
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114 | DO l=ll_begin,ll_end |
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115 | !DIR$ SIMD |
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116 | DO ij=ij_begin,ij_end |
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117 | berni(ij,l) = pk(ij,l) |
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118 | ! from now on pk contains the vertically-averaged geopotential |
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119 | pk(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
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120 | END DO |
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121 | END DO |
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122 | ELSE ! compressible |
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123 | |
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124 | DO l=ll_begin,ll_end |
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125 | SELECT CASE(caldyn_thermo) |
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126 | CASE(thermo_theta) ! vdp = theta.dpi => B = Phi |
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127 | !DIR$ SIMD |
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128 | DO ij=ij_begin,ij_end |
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129 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) |
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130 | END DO |
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131 | CASE(thermo_entropy) ! vdp = dG + sdT => B = Phi + G, G=h-Ts=T*(cpp-s) |
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132 | !DIR$ SIMD |
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133 | DO ij=ij_begin,ij_end |
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134 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
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135 | + pk(ij,l)*(cpp-theta(ij,l,1)) ! pk=temperature, theta=entropy |
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136 | END DO |
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137 | CASE(thermo_moist) |
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138 | !DIR$ SIMD |
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139 | DO ij=ij_begin,ij_end |
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140 | ! du/dt = grad(Bd)+rv.grad(Bv)+s.grad(T) |
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141 | ! Bd = Phi + gibbs_d |
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142 | ! Bv = Phi + gibbs_v |
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143 | ! pk=temperature, theta=entropy |
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144 | qv = theta(ij,l,2) |
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145 | temp = pk(ij,l) |
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146 | chi = log(temp/Treff) |
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147 | log_p_preff = (chi*(cpp+qv*cppv)-theta(ij,l,1))/(Rd+qv*Rv) ! log(p/preff) |
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148 | berni(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
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149 | + temp*(cpp*(1.-chi)+Rd*log_p_preff) |
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150 | berniv(ij,l) = .5*(geopot(ij,l)+geopot(ij,l+1)) & |
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151 | + temp*(cppv*(1.-chi)+Rv*log_p_preff) |
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152 | END DO |
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153 | END SELECT |
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154 | END DO |
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155 | |
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156 | END IF ! Boussinesq/compressible |
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157 | |
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158 | !!! u:=u+tau*du, du = -grad(B)-theta.grad(pi) |
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159 | DO l=ll_begin,ll_end |
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160 | IF(caldyn_thermo == thermo_moist) THEN |
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161 | !DIR$ SIMD |
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162 | DO ij=ij_begin,ij_end |
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163 | due_right = berni(ij+t_right,l)-berni(ij,l) & |
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164 | + 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
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165 | *(pk(ij+t_right,l)-pk(ij,l)) & |
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166 | + 0.5*(theta(ij,l,2)+theta(ij+t_right,l,2)) & |
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167 | *(berniv(ij+t_right,l)-berniv(ij,l)) |
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168 | |
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169 | due_lup = berni(ij+t_lup,l)-berni(ij,l) & |
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170 | + 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
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171 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
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172 | + 0.5*(theta(ij,l,2)+theta(ij+t_lup,l,2)) & |
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173 | *(berniv(ij+t_lup,l)-berniv(ij,l)) |
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174 | |
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175 | due_ldown = berni(ij+t_ldown,l)-berni(ij,l) & |
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176 | + 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
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177 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
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178 | + 0.5*(theta(ij,l,2)+theta(ij+t_ldown,l,2)) & |
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179 | *(berniv(ij+t_ldown,l)-berniv(ij,l)) |
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180 | |
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181 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
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182 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
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183 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
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184 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
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185 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
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186 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
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187 | END DO |
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188 | ELSE |
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189 | !DIR$ SIMD |
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190 | DO ij=ij_begin,ij_end |
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191 | due_right = 0.5*(theta(ij,l,1)+theta(ij+t_right,l,1)) & |
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192 | *(pk(ij+t_right,l)-pk(ij,l)) & |
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193 | + berni(ij+t_right,l)-berni(ij,l) |
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194 | due_lup = 0.5*(theta(ij,l,1)+theta(ij+t_lup,l,1)) & |
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195 | *(pk(ij+t_lup,l)-pk(ij,l)) & |
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196 | + berni(ij+t_lup,l)-berni(ij,l) |
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197 | due_ldown = 0.5*(theta(ij,l,1)+theta(ij+t_ldown,l,1)) & |
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198 | *(pk(ij+t_ldown,l)-pk(ij,l)) & |
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199 | + berni(ij+t_ldown,l)-berni(ij,l) |
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200 | du(ij+u_right,l) = du(ij+u_right,l) - ne_right*due_right |
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201 | du(ij+u_lup,l) = du(ij+u_lup,l) - ne_lup*due_lup |
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202 | du(ij+u_ldown,l) = du(ij+u_ldown,l) - ne_ldown*due_ldown |
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203 | u(ij+u_right,l) = u(ij+u_right,l) + tau*du(ij+u_right,l) |
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204 | u(ij+u_lup,l) = u(ij+u_lup,l) + tau*du(ij+u_lup,l) |
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205 | u(ij+u_ldown,l) = u(ij+u_ldown,l) + tau*du(ij+u_ldown,l) |
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206 | END DO |
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207 | END IF |
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208 | END DO |
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209 | |
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210 | END IF ! dysl |
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211 | CALL trace_end("compute_caldyn_fast") |
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212 | |
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213 | END SUBROUTINE compute_caldyn_fast |
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214 | |
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215 | END MODULE compute_caldyn_fast_mod |
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