1 | MODULE timeloop_gcm_mod |
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2 | USE transfert_mod |
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3 | USE icosa |
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4 | PRIVATE |
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5 | |
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6 | PUBLIC :: init_timeloop, timeloop |
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7 | |
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8 | INTEGER, PARAMETER :: euler=1, rk4=2, mlf=3, rk25=4 |
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9 | INTEGER, PARAMETER :: itau_sync=10 |
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10 | REAL(rstd), DIMENSION(4), PARAMETER :: coef_rk4 = (/ .25, 1./3., .5, 1. /) |
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11 | REAL(rstd), DIMENSION(5), PARAMETER :: coef_rk25 = (/ .25, 1./6., 3./8., .5, 1. /) |
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12 | |
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13 | TYPE(t_message),SAVE :: req_ps0, req_mass0, req_theta_rhodz0, req_u0, req_q0 |
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14 | |
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15 | TYPE(t_field),POINTER,SAVE :: f_q(:) |
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16 | TYPE(t_field),POINTER,SAVE :: f_rhodz(:), f_mass(:), f_massm1(:), f_massm2(:), f_dmass(:) |
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17 | TYPE(t_field),POINTER,SAVE :: f_phis(:), f_ps(:),f_psm1(:), f_psm2(:), f_dps(:) |
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18 | TYPE(t_field),POINTER,SAVE :: f_u(:),f_um1(:),f_um2(:), f_du(:) |
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19 | TYPE(t_field),POINTER,SAVE :: f_theta_rhodz(:),f_theta_rhodzm1(:),f_theta_rhodzm2(:), f_dtheta_rhodz(:) |
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20 | TYPE(t_field),POINTER,SAVE :: f_hflux(:), f_wflux(:), f_hfluxt(:), f_wfluxt(:) |
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21 | |
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22 | INTEGER,SAVE :: nb_stage, matsuno_period, scheme |
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23 | !$OMP THREADPRIVATE(nb_stage, matsuno_period, scheme) |
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24 | |
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25 | CONTAINS |
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26 | |
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27 | SUBROUTINE init_timeloop |
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28 | USE icosa |
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29 | USE dissip_gcm_mod |
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30 | USE caldyn_mod |
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31 | USE etat0_mod |
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32 | USE disvert_mod |
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33 | USE guided_mod |
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34 | USE advect_tracer_mod |
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35 | USE physics_mod |
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36 | USE mpipara |
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37 | USE omp_para |
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38 | USE trace |
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39 | USE transfert_mod |
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40 | USE check_conserve_mod |
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41 | USE output_field_mod |
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42 | USE write_field_mod |
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43 | USE theta2theta_rhodz_mod |
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44 | USE sponge_mod |
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45 | IMPLICIT NONE |
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46 | |
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47 | CHARACTER(len=255) :: def |
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48 | |
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49 | |
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50 | IF (xios_output) itau_out=1 |
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51 | IF (.NOT. enable_io) itau_out=HUGE(itau_out) |
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52 | |
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53 | ! Time-independant orography |
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54 | CALL allocate_field(f_phis,field_t,type_real,name='phis') |
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55 | ! Trends |
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56 | CALL allocate_field(f_du,field_u,type_real,llm,name='du') |
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57 | CALL allocate_field(f_dtheta_rhodz,field_t,type_real,llm,name='dtheta_rhodz') |
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58 | ! Model state at current time step (RK/MLF/Euler) |
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59 | CALL allocate_field(f_ps,field_t,type_real, name='ps') |
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60 | CALL allocate_field(f_mass,field_t,type_real,llm,name='mass') |
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61 | CALL allocate_field(f_u,field_u,type_real,llm,name='u') |
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62 | CALL allocate_field(f_theta_rhodz,field_t,type_real,llm,name='theta_rhodz') |
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63 | ! Model state at previous time step (RK/MLF) |
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64 | CALL allocate_field(f_um1,field_u,type_real,llm,name='um1') |
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65 | CALL allocate_field(f_theta_rhodzm1,field_t,type_real,llm,name='theta_rhodzm1') |
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66 | ! Tracers |
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67 | CALL allocate_field(f_q,field_t,type_real,llm,nqtot,'q') |
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68 | CALL allocate_field(f_rhodz,field_t,type_real,llm,name='rhodz') |
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69 | ! Mass fluxes |
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70 | CALL allocate_field(f_hflux,field_u,type_real,llm) ! instantaneous mass fluxes |
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71 | CALL allocate_field(f_hfluxt,field_u,type_real,llm) ! mass "fluxes" accumulated in time |
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72 | CALL allocate_field(f_wflux,field_t,type_real,llm+1) ! vertical mass fluxes |
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73 | CALL allocate_field(f_dmass,field_t,type_real,llm, name='dmass') |
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74 | |
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75 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
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76 | CALL allocate_field(f_dps,field_t,type_real,name='dps') |
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77 | CALL allocate_field(f_psm1,field_t,type_real,name='psm1') |
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78 | CALL allocate_field(f_wfluxt,field_t,type_real,llm+1,name='wfluxt') |
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79 | ! the following are unused but must point to something |
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80 | ! f_massm1 => f_mass |
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81 | ELSE ! eta = Lagrangian vertical coordinate |
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82 | CALL allocate_field(f_massm1,field_t,type_real,llm, name='massm1') |
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83 | ! the following are unused but must point to something |
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84 | f_wfluxt => f_wflux |
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85 | f_dps => f_phis |
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86 | f_psm1 => f_phis |
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87 | END IF |
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88 | |
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89 | def='runge_kutta' |
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90 | CALL getin('scheme',def) |
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91 | |
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92 | SELECT CASE (TRIM(def)) |
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93 | CASE('euler') |
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94 | scheme=euler |
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95 | nb_stage=1 |
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96 | CASE ('runge_kutta') |
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97 | scheme=rk4 |
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98 | nb_stage=4 |
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99 | CASE ('RK2.5') |
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100 | scheme=rk25 |
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101 | nb_stage=5 |
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102 | CASE ('leapfrog_matsuno') |
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103 | scheme=mlf |
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104 | matsuno_period=5 |
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105 | CALL getin('matsuno_period',matsuno_period) |
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106 | nb_stage=matsuno_period+1 |
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107 | ! Model state 2 time steps ago (MLF) |
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108 | CALL allocate_field(f_theta_rhodzm2,field_t,type_real,llm) |
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109 | CALL allocate_field(f_um2,field_u,type_real,llm) |
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110 | IF(caldyn_eta == eta_mass) THEN ! eta = mass coordinate (default) |
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111 | CALL allocate_field(f_psm2,field_t,type_real) |
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112 | ! the following are unused but must point to something |
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113 | f_massm2 => f_mass |
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114 | ELSE ! eta = Lagrangian vertical coordinate |
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115 | CALL allocate_field(f_massm2,field_t,type_real,llm) |
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116 | ! the following are unused but must point to something |
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117 | f_psm2 => f_phis |
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118 | END IF |
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119 | CASE ('none') |
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120 | nb_stage=0 |
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121 | |
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122 | CASE default |
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123 | PRINT*,'Bad selector for variable scheme : <', TRIM(def), & |
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124 | ' > options are <euler>, <runge_kutta>, <leapfrog_matsuno>' |
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125 | STOP |
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126 | END SELECT |
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127 | |
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128 | CALL init_theta2theta_rhodz |
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129 | CALL init_dissip |
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130 | CALL init_sponge |
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131 | CALL init_caldyn |
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132 | CALL init_guided |
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133 | CALL init_advect_tracer |
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134 | CALL init_check_conserve |
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135 | |
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136 | CALL etat0(f_ps,f_mass,f_phis,f_theta_rhodz,f_u, f_q) |
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137 | |
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138 | CALL transfert_request(f_phis,req_i0) |
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139 | CALL transfert_request(f_phis,req_i1) |
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140 | CALL writefield("phis",f_phis,once=.TRUE.) |
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141 | |
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142 | CALL init_message(f_ps,req_i0,req_ps0) |
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143 | CALL init_message(f_mass,req_i0,req_mass0) |
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144 | CALL init_message(f_theta_rhodz,req_i0,req_theta_rhodz0) |
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145 | CALL init_message(f_u,req_e0_vect,req_u0) |
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146 | CALL init_message(f_q,req_i0,req_q0) |
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147 | |
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148 | END SUBROUTINE init_timeloop |
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149 | |
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150 | SUBROUTINE timeloop |
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151 | USE icosa |
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152 | USE dissip_gcm_mod |
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153 | USE sponge_mod |
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154 | USE disvert_mod |
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155 | USE caldyn_mod |
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156 | USE caldyn_gcm_mod, ONLY : req_ps, req_mass |
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157 | USE etat0_mod |
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158 | USE guided_mod |
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159 | USE advect_tracer_mod |
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160 | USE physics_mod |
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161 | USE mpipara |
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162 | USE omp_para |
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163 | USE trace |
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164 | USE transfert_mod |
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165 | USE check_conserve_mod |
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166 | USE xios_mod |
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167 | USE output_field_mod |
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168 | USE write_etat0_mod |
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169 | USE checksum_mod |
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170 | IMPLICIT NONE |
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171 | REAL(rstd),POINTER :: q(:,:,:) |
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172 | REAL(rstd),POINTER :: phis(:), ps(:) ,psm1(:), psm2(:), dps(:) |
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173 | REAL(rstd),POINTER :: u(:,:) , um1(:,:), um2(:,:), du(:,:) |
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174 | REAL(rstd),POINTER :: rhodz(:,:), mass(:,:), massm1(:,:), massm2(:,:), dmass(:,:) |
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175 | REAL(rstd),POINTER :: theta_rhodz(:,:) , theta_rhodzm1(:,:), theta_rhodzm2(:,:), dtheta_rhodz(:,:) |
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176 | REAL(rstd),POINTER :: hflux(:,:),wflux(:,:),hfluxt(:,:),wfluxt(:,:) |
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177 | |
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178 | INTEGER :: ind |
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179 | INTEGER :: it,i,j,n, stage |
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180 | LOGICAL :: fluxt_zero(ndomain) ! set to .TRUE. to start accumulating fluxes in time |
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181 | LOGICAL, PARAMETER :: check=.FALSE. |
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182 | INTEGER :: start_clock |
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183 | INTEGER :: stop_clock |
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184 | INTEGER :: rate_clock |
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185 | INTEGER :: l |
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186 | LOGICAL,SAVE :: first_physic=.TRUE. |
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187 | !$OMP THREADPRIVATE(first_physic) |
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188 | |
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189 | |
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190 | CALL switch_omp_distrib_level |
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191 | CALL caldyn_BC(f_phis, f_wflux) ! set constant values in first/last interfaces |
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192 | |
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193 | !$OMP BARRIER |
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194 | DO ind=1,ndomain |
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195 | IF (.NOT. assigned_domain(ind)) CYCLE |
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196 | CALL swap_dimensions(ind) |
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197 | CALL swap_geometry(ind) |
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198 | rhodz=f_rhodz(ind); mass=f_mass(ind); ps=f_ps(ind) |
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199 | IF(caldyn_eta==eta_mass) THEN |
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200 | CALL compute_rhodz(.TRUE., ps, rhodz) ! save rhodz for transport scheme before dynamics update ps |
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201 | ELSE |
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202 | DO l=ll_begin,ll_end |
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203 | rhodz(:,l)=mass(:,l) |
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204 | ENDDO |
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205 | END IF |
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206 | END DO |
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207 | !$OMP BARRIER |
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208 | fluxt_zero=.TRUE. |
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209 | |
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210 | !$OMP MASTER |
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211 | CALL SYSTEM_CLOCK(start_clock) |
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212 | !$OMP END MASTER |
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213 | |
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214 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,itau0) |
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215 | |
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216 | CALL trace_on |
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217 | |
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218 | DO it=itau0+1,itau0+itaumax |
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219 | |
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220 | CALL check_conserve_detailed('detailed_budget 0', & |
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221 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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222 | |
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223 | IF (xios_output) CALL xios_update_calendar(it) |
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224 | IF (it==itau0+1 .OR. MOD(it,itau_sync)==0) THEN |
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225 | CALL send_message(f_ps,req_ps0) |
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226 | CALL wait_message(req_ps0) |
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227 | CALL send_message(f_mass,req_mass0) |
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228 | CALL wait_message(req_mass0) |
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229 | CALL send_message(f_theta_rhodz,req_theta_rhodz0) |
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230 | CALL wait_message(req_theta_rhodz0) |
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231 | CALL send_message(f_u,req_u0) |
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232 | CALL wait_message(req_u0) |
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233 | CALL send_message(f_q,req_q0) |
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234 | CALL wait_message(req_q0) |
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235 | |
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236 | ENDIF |
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237 | |
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238 | IF (is_master) PRINT *,"It No :",It," t :",dt*It |
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239 | |
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240 | IF (mod(it,itau_out)==0 ) THEN |
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241 | CALL update_time_counter(dt*it) |
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242 | CALL output_field("q",f_q) |
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243 | ENDIF |
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244 | |
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245 | CALL guided(it*dt,f_ps,f_theta_rhodz,f_u,f_q) |
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246 | |
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247 | DO stage=1,nb_stage |
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248 | ! CALL checksum(f_ps) |
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249 | ! CALL checksum(f_theta_rhodz) |
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250 | ! CALL checksum(f_mass) |
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251 | CALL caldyn((stage==1) .AND. (MOD(it,itau_out)==0), & |
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252 | f_phis,f_ps,f_mass,f_theta_rhodz,f_u, f_q, & |
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253 | f_hflux, f_wflux, f_dps, f_dmass, f_dtheta_rhodz, f_du) |
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254 | ! CALL checksum(f_dps) |
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255 | ! CALL checksum(f_dtheta_rhodz) |
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256 | ! CALL checksum(f_dmass) |
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257 | SELECT CASE (scheme) |
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258 | CASE(euler) |
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259 | CALL euler_scheme(.TRUE.) |
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260 | CASE (rk4) |
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261 | CALL rk_scheme(stage, coef_rk4) |
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262 | CASE (rk25) |
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263 | CALL rk_scheme(stage, coef_rk25) |
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264 | CASE (mlf) |
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265 | CALL leapfrog_matsuno_scheme(stage) |
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266 | CASE DEFAULT |
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267 | STOP |
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268 | END SELECT |
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269 | END DO |
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270 | |
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271 | CALL check_conserve_detailed('detailed_budget 1', & |
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272 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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273 | |
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274 | IF (MOD(it,itau_dissip)==0) THEN |
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275 | |
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276 | IF(caldyn_eta==eta_mass) THEN |
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277 | !ym flush ps |
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278 | !$OMP BARRIER |
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279 | DO ind=1,ndomain |
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280 | IF (.NOT. assigned_domain(ind)) CYCLE |
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281 | CALL swap_dimensions(ind) |
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282 | CALL swap_geometry(ind) |
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283 | mass=f_mass(ind); ps=f_ps(ind); |
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284 | CALL compute_rhodz(.TRUE., ps, mass) |
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285 | END DO |
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286 | ENDIF |
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287 | |
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288 | CALL dissip(f_u,f_du,f_mass,f_phis, f_theta_rhodz,f_dtheta_rhodz) |
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289 | |
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290 | CALL euler_scheme(.FALSE.) ! update only u, theta |
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291 | IF (iflag_sponge > 0) THEN |
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292 | CALL sponge(f_u,f_du,f_theta_rhodz,f_dtheta_rhodz) |
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293 | CALL euler_scheme(.FALSE.) ! update only u, theta |
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294 | ENDIF |
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295 | END IF |
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296 | |
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297 | CALL check_conserve_detailed('detailed_budget 2', & |
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298 | f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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299 | |
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300 | IF(MOD(it,itau_adv)==0) THEN |
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301 | |
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302 | CALL advect_tracer(f_hfluxt,f_wfluxt,f_u, f_q,f_rhodz) ! update q and rhodz after RK step |
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303 | fluxt_zero=.TRUE. |
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304 | |
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305 | ! FIXME : check that rhodz is consistent with ps |
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306 | IF (check) THEN |
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307 | DO ind=1,ndomain |
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308 | IF (.NOT. assigned_domain(ind)) CYCLE |
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309 | CALL swap_dimensions(ind) |
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310 | CALL swap_geometry(ind) |
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311 | rhodz=f_rhodz(ind); ps=f_ps(ind); |
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312 | CALL compute_rhodz(.FALSE., ps, rhodz) |
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313 | END DO |
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314 | ENDIF |
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315 | |
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316 | END IF |
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317 | |
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318 | |
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319 | IF (MOD(it,itau_check_conserv)==0) THEN |
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320 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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321 | ENDIF |
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322 | |
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323 | IF (MOD(it,itau_physics)==0) THEN |
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324 | CALL physics(it,f_phis, f_ps, f_theta_rhodz, f_u, f_wflux, f_q) |
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325 | |
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326 | !$OMP MASTER |
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327 | IF (first_physic) CALL SYSTEM_CLOCK(start_clock) |
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328 | !$OMP END MASTER |
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329 | first_physic=.FALSE. |
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330 | ENDIF |
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331 | |
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332 | ENDDO |
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333 | |
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334 | CALL write_etat0(itau0+itaumax,f_ps, f_phis,f_theta_rhodz,f_u,f_q) |
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335 | |
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336 | CALL check_conserve(f_ps,f_dps,f_u,f_theta_rhodz,f_phis,it) |
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337 | |
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338 | !$OMP MASTER |
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339 | CALL SYSTEM_CLOCK(stop_clock) |
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340 | CALL SYSTEM_CLOCK(count_rate=rate_clock) |
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341 | |
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342 | IF (mpi_rank==0) THEN |
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343 | PRINT *,"Time elapsed : ",(stop_clock-start_clock)*1./rate_clock |
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344 | ENDIF |
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345 | !$OMP END MASTER |
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346 | |
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347 | CONTAINS |
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348 | |
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349 | SUBROUTINE Euler_scheme(with_dps) |
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350 | IMPLICIT NONE |
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351 | LOGICAL :: with_dps |
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352 | INTEGER :: ind |
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353 | INTEGER :: i,j,ij,l |
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354 | CALL trace_start("Euler_scheme") |
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355 | |
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356 | DO ind=1,ndomain |
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357 | IF (.NOT. assigned_domain(ind)) CYCLE |
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358 | CALL swap_dimensions(ind) |
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359 | CALL swap_geometry(ind) |
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360 | |
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361 | IF(with_dps) THEN ! update ps/mass |
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362 | IF(caldyn_eta==eta_mass) THEN ! update ps |
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363 | ps=f_ps(ind) ; dps=f_dps(ind) ; |
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364 | IF (is_omp_first_level) THEN |
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365 | !$SIMD |
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366 | DO ij=ij_begin,ij_end |
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367 | ps(ij)=ps(ij)+dt*dps(ij) |
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368 | ENDDO |
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369 | ENDIF |
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370 | ELSE ! update mass |
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371 | mass=f_mass(ind) ; dmass=f_dmass(ind) ; |
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372 | DO l=ll_begin,ll_end |
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373 | !$SIMD |
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374 | DO ij=ij_begin,ij_end |
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375 | mass(ij,l)=mass(ij,l)+dt*dmass(ij,l) |
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376 | ENDDO |
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377 | END DO |
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378 | END IF |
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379 | |
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380 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
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381 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
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382 | CALL accumulate_fluxes(hflux,wflux,hfluxt,wfluxt,dt,fluxt_zero(ind)) |
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383 | END IF ! update ps/mass |
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384 | |
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385 | u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
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386 | du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
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387 | |
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388 | DO l=ll_begin,ll_end |
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389 | !$SIMD |
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390 | DO ij=ij_begin,ij_end |
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391 | u(ij+u_right,l)=u(ij+u_right,l)+dt*du(ij+u_right,l) |
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392 | u(ij+u_lup,l)=u(ij+u_lup,l)+dt*du(ij+u_lup,l) |
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393 | u(ij+u_ldown,l)=u(ij+u_ldown,l)+dt*du(ij+u_ldown,l) |
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394 | theta_rhodz(ij,l)=theta_rhodz(ij,l)+dt*dtheta_rhodz(ij,l) |
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395 | ENDDO |
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396 | ENDDO |
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397 | ENDDO |
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398 | |
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399 | CALL trace_end("Euler_scheme") |
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400 | |
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401 | END SUBROUTINE Euler_scheme |
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402 | |
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403 | SUBROUTINE RK_scheme(stage,coef) |
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404 | IMPLICIT NONE |
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405 | INTEGER :: ind, stage |
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406 | REAL(rstd), INTENT(IN) :: coef(:) |
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407 | REAL(rstd) :: tau |
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408 | INTEGER :: i,j,ij,l |
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409 | |
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410 | CALL trace_start("RK_scheme") |
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411 | |
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412 | tau = dt*coef(stage) |
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413 | |
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414 | ! if mass coordinate, deal with ps first on one core |
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415 | IF(caldyn_eta==eta_mass) THEN |
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416 | IF (is_omp_first_level) THEN |
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417 | |
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418 | DO ind=1,ndomain |
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419 | IF (.NOT. assigned_domain(ind)) CYCLE |
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420 | CALL swap_dimensions(ind) |
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421 | CALL swap_geometry(ind) |
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422 | ps=f_ps(ind) ; psm1=f_psm1(ind) ; dps=f_dps(ind) |
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423 | |
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424 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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425 | !$SIMD |
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426 | DO ij=ij_begin,ij_end |
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427 | psm1(ij)=ps(ij) |
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428 | ENDDO |
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429 | ENDIF |
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430 | |
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431 | ! updates are of the form x1 := x0 + tau*f(x1) |
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432 | !$SIMD |
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433 | DO ij=ij_begin,ij_end |
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434 | ps(ij)=psm1(ij)+tau*dps(ij) |
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435 | ENDDO |
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436 | ENDDO |
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437 | ENDIF |
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438 | ! CALL send_message(f_ps,req_ps) |
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439 | !ym no overlap for now |
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440 | ! CALL wait_message(req_ps) |
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441 | |
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442 | ELSE ! Lagrangian coordinate, deal with mass |
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443 | DO ind=1,ndomain |
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444 | IF (.NOT. assigned_domain(ind)) CYCLE |
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445 | CALL swap_dimensions(ind) |
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446 | CALL swap_geometry(ind) |
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447 | mass=f_mass(ind); dmass=f_dmass(ind); massm1=f_massm1(ind) |
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448 | |
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449 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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450 | DO l=ll_begin,ll_end |
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451 | !$SIMD |
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452 | DO ij=ij_begin,ij_end |
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453 | massm1(ij,l)=mass(ij,l) |
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454 | ENDDO |
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455 | ENDDO |
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456 | END IF |
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457 | |
---|
458 | ! updates are of the form x1 := x0 + tau*f(x1) |
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459 | DO l=ll_begin,ll_end |
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460 | !$SIMD |
---|
461 | DO ij=ij_begin,ij_end |
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462 | mass(ij,l)=massm1(ij,l)+tau*dmass(ij,l) |
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463 | ENDDO |
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464 | ENDDO |
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465 | END DO |
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466 | ! CALL send_message(f_mass,req_mass) |
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467 | !ym no overlap for now |
---|
468 | ! CALL wait_message(req_mass) |
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469 | |
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470 | END IF |
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471 | |
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472 | ! now deal with other prognostic variables |
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473 | DO ind=1,ndomain |
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474 | IF (.NOT. assigned_domain(ind)) CYCLE |
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475 | CALL swap_dimensions(ind) |
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476 | CALL swap_geometry(ind) |
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477 | u=f_u(ind) ; du=f_du(ind) ; um1=f_um1(ind) |
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478 | theta_rhodz=f_theta_rhodz(ind) |
---|
479 | theta_rhodzm1=f_theta_rhodzm1(ind) |
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480 | dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
481 | |
---|
482 | IF (stage==1) THEN ! first stage : save model state in XXm1 |
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483 | DO l=ll_begin,ll_end |
---|
484 | !$SIMD |
---|
485 | DO ij=ij_begin,ij_end |
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486 | um1(ij+u_right,l)=u(ij+u_right,l) |
---|
487 | um1(ij+u_lup,l)=u(ij+u_lup,l) |
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488 | um1(ij+u_ldown,l)=u(ij+u_ldown,l) |
---|
489 | theta_rhodzm1(ij,l)=theta_rhodz(ij,l) |
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490 | ENDDO |
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491 | ENDDO |
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492 | END IF |
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493 | |
---|
494 | DO l=ll_begin,ll_end |
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495 | !$SIMD |
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496 | DO ij=ij_begin,ij_end |
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497 | u(ij+u_right,l)=um1(ij+u_right,l)+tau*du(ij+u_right,l) |
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498 | u(ij+u_lup,l)=um1(ij+u_lup,l)+tau*du(ij+u_lup,l) |
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499 | u(ij+u_ldown,l)=um1(ij+u_ldown,l)+tau*du(ij+u_ldown,l) |
---|
500 | theta_rhodz(ij,l)=theta_rhodzm1(ij,l)+tau*dtheta_rhodz(ij,l) |
---|
501 | ENDDO |
---|
502 | ENDDO |
---|
503 | |
---|
504 | IF(stage==nb_stage) THEN ! accumulate mass fluxes at last stage |
---|
505 | hflux=f_hflux(ind); hfluxt=f_hfluxt(ind) |
---|
506 | wflux=f_wflux(ind); wfluxt=f_wfluxt(ind) |
---|
507 | CALL accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, dt,fluxt_zero(ind)) |
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508 | END IF |
---|
509 | END DO |
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510 | |
---|
511 | CALL trace_end("RK_scheme") |
---|
512 | |
---|
513 | END SUBROUTINE RK_scheme |
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514 | |
---|
515 | SUBROUTINE leapfrog_matsuno_scheme(stage) |
---|
516 | IMPLICIT NONE |
---|
517 | INTEGER :: ind, stage |
---|
518 | REAL :: tau |
---|
519 | |
---|
520 | CALL trace_start("leapfrog_matsuno_scheme") |
---|
521 | |
---|
522 | tau = dt/nb_stage |
---|
523 | DO ind=1,ndomain |
---|
524 | IF (.NOT. assigned_domain(ind)) CYCLE |
---|
525 | CALL swap_dimensions(ind) |
---|
526 | CALL swap_geometry(ind) |
---|
527 | |
---|
528 | ps=f_ps(ind) ; u=f_u(ind) ; theta_rhodz=f_theta_rhodz(ind) |
---|
529 | psm1=f_psm1(ind) ; um1=f_um1(ind) ; theta_rhodzm1=f_theta_rhodzm1(ind) |
---|
530 | psm2=f_psm2(ind) ; um2=f_um2(ind) ; theta_rhodzm2=f_theta_rhodzm2(ind) |
---|
531 | dps=f_dps(ind) ; du=f_du(ind) ; dtheta_rhodz=f_dtheta_rhodz(ind) |
---|
532 | |
---|
533 | |
---|
534 | IF (stage==1) THEN |
---|
535 | psm1(:)=ps(:) ; um1(:,:)=u(:,:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) |
---|
536 | ps(:)=psm1(:)+tau*dps(:) |
---|
537 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
538 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
539 | |
---|
540 | ELSE IF (stage==2) THEN |
---|
541 | |
---|
542 | ps(:)=psm1(:)+tau*dps(:) |
---|
543 | u(:,:)=um1(:,:)+tau*du(:,:) |
---|
544 | theta_rhodz(:,:)=theta_rhodzm1(:,:)+tau*dtheta_rhodz(:,:) |
---|
545 | |
---|
546 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
547 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
548 | |
---|
549 | ELSE |
---|
550 | |
---|
551 | ps(:)=psm2(:)+2*tau*dps(:) |
---|
552 | u(:,:)=um2(:,:)+2*tau*du(:,:) |
---|
553 | theta_rhodz(:,:)=theta_rhodzm2(:,:)+2*tau*dtheta_rhodz(:,:) |
---|
554 | |
---|
555 | psm2(:)=psm1(:) ; theta_rhodzm2(:,:)=theta_rhodzm1(:,:) ; um2(:,:)=um1(:,:) |
---|
556 | psm1(:)=ps(:) ; theta_rhodzm1(:,:)=theta_rhodz(:,:) ; um1(:,:)=u(:,:) |
---|
557 | |
---|
558 | ENDIF |
---|
559 | |
---|
560 | ENDDO |
---|
561 | CALL trace_end("leapfrog_matsuno_scheme") |
---|
562 | |
---|
563 | END SUBROUTINE leapfrog_matsuno_scheme |
---|
564 | |
---|
565 | END SUBROUTINE timeloop |
---|
566 | |
---|
567 | SUBROUTINE accumulate_fluxes(hflux,wflux, hfluxt,wfluxt, tau,fluxt_zero) |
---|
568 | USE icosa |
---|
569 | USE omp_para |
---|
570 | USE disvert_mod |
---|
571 | IMPLICIT NONE |
---|
572 | REAL(rstd), INTENT(IN) :: hflux(3*iim*jjm,llm), wflux(iim*jjm,llm+1) |
---|
573 | REAL(rstd), INTENT(INOUT) :: hfluxt(3*iim*jjm,llm), wfluxt(iim*jjm,llm+1) |
---|
574 | REAL(rstd), INTENT(IN) :: tau |
---|
575 | LOGICAL, INTENT(INOUT) :: fluxt_zero |
---|
576 | INTEGER :: l,i,j,ij |
---|
577 | |
---|
578 | IF(fluxt_zero) THEN |
---|
579 | |
---|
580 | fluxt_zero=.FALSE. |
---|
581 | |
---|
582 | DO l=ll_begin,ll_end |
---|
583 | !$SIMD |
---|
584 | DO ij=ij_begin_ext,ij_end_ext |
---|
585 | hfluxt(ij+u_right,l) = tau*hflux(ij+u_right,l) |
---|
586 | hfluxt(ij+u_lup,l) = tau*hflux(ij+u_lup,l) |
---|
587 | hfluxt(ij+u_ldown,l) = tau*hflux(ij+u_ldown,l) |
---|
588 | ENDDO |
---|
589 | ENDDO |
---|
590 | |
---|
591 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
592 | DO l=ll_begin,ll_endp1 |
---|
593 | !$SIMD |
---|
594 | DO ij=ij_begin,ij_end |
---|
595 | wfluxt(ij,l) = tau*wflux(ij,l) |
---|
596 | ENDDO |
---|
597 | ENDDO |
---|
598 | END IF |
---|
599 | |
---|
600 | ELSE |
---|
601 | |
---|
602 | DO l=ll_begin,ll_end |
---|
603 | !$SIMD |
---|
604 | DO ij=ij_begin_ext,ij_end_ext |
---|
605 | hfluxt(ij+u_right,l) = hfluxt(ij+u_right,l)+tau*hflux(ij+u_right,l) |
---|
606 | hfluxt(ij+u_lup,l) = hfluxt(ij+u_lup,l)+tau*hflux(ij+u_lup,l) |
---|
607 | hfluxt(ij+u_ldown,l) = hfluxt(ij+u_ldown,l)+tau*hflux(ij+u_ldown,l) |
---|
608 | ENDDO |
---|
609 | ENDDO |
---|
610 | |
---|
611 | IF(caldyn_eta==eta_mass) THEN ! no need for vertical fluxes if eta_lag |
---|
612 | DO l=ll_begin,ll_endp1 |
---|
613 | !$SIMD |
---|
614 | DO ij=ij_begin,ij_end |
---|
615 | wfluxt(ij,l) = wfluxt(ij,l)+tau*wflux(ij,l) |
---|
616 | ENDDO |
---|
617 | ENDDO |
---|
618 | END IF |
---|
619 | |
---|
620 | END IF |
---|
621 | |
---|
622 | END SUBROUTINE accumulate_fluxes |
---|
623 | |
---|
624 | END MODULE timeloop_gcm_mod |
---|