1 | #if defined( __ibmy_special ) |
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2 | @PROCESS NOOPTimize |
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3 | #endif |
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4 | SUBROUTINE init_3d_model |
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5 | |
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6 | !------------------------------------------------------------------------------! |
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7 | ! Actual revisions: |
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8 | ! ----------------- |
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9 | ! New initializing action "by_user" calls user_init_3d_model |
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10 | ! |
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11 | ! Former revisions: |
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12 | ! ----------------- |
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13 | ! $Id: init_3d_model.f90 46 2007-03-05 06:00:47Z raasch $ |
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14 | ! |
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15 | ! 19 2007-02-23 04:53:48Z raasch |
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16 | ! +handling of top fluxes |
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17 | ! |
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18 | ! RCS Log replace by Id keyword, revision history cleaned up |
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19 | ! |
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20 | ! Revision 1.49 2006/08/22 15:59:07 raasch |
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21 | ! No optimization of this file on the ibmy (Yonsei Univ.) |
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22 | ! |
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23 | ! Revision 1.1 1998/03/09 16:22:22 raasch |
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24 | ! Initial revision |
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25 | ! |
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26 | ! |
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27 | ! Description: |
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28 | ! ------------ |
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29 | ! Allocation of arrays and initialization of the 3D model via |
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30 | ! a) pre-run the 1D model |
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31 | ! or |
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32 | ! b) pre-set constant linear profiles |
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33 | ! or |
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34 | ! c) read values of a previous run |
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35 | !------------------------------------------------------------------------------! |
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36 | |
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37 | USE arrays_3d |
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38 | USE averaging |
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39 | USE constants |
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40 | USE control_parameters |
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41 | USE cpulog |
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42 | USE indices |
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43 | USE interfaces |
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44 | USE model_1d |
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45 | USE particle_attributes |
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46 | USE pegrid |
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47 | USE profil_parameter |
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48 | USE random_function_mod |
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49 | USE statistics |
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50 | |
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51 | IMPLICIT NONE |
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52 | |
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53 | INTEGER :: i, j, k, sr |
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54 | |
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55 | INTEGER, DIMENSION(:), ALLOCATABLE :: ngp_2dh_l, ngp_3d_inner_l |
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56 | |
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57 | INTEGER, DIMENSION(:,:), ALLOCATABLE :: ngp_2dh_outer_l |
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58 | |
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59 | REAL, DIMENSION(1:2) :: volume_flow_area_l, volume_flow_initial_l |
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60 | |
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61 | |
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62 | ! |
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63 | !-- Allocate arrays |
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64 | ALLOCATE( ngp_2dh(0:statistic_regions), ngp_2dh_l(0:statistic_regions), & |
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65 | ngp_3d(0:statistic_regions), & |
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66 | ngp_3d_inner(0:statistic_regions), & |
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67 | ngp_3d_inner_l(0:statistic_regions), & |
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68 | sums_divnew_l(0:statistic_regions), & |
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69 | sums_divold_l(0:statistic_regions) ) |
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70 | ALLOCATE( rdf(nzb+1:nzt), uvmean_outflow(nzb:nzt+1), & |
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71 | uvmean_outflow_l(nzb:nzt+1) ) |
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72 | ALLOCATE( hom_sum(nzb:nzt+1,var_hom,0:statistic_regions), & |
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73 | ngp_2dh_outer(nzb:nzt+1,0:statistic_regions), & |
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74 | ngp_2dh_outer_l(nzb:nzt+1,0:statistic_regions), & |
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75 | rmask(nys-1:nyn+1,nxl-1:nxr+1,0:statistic_regions), & |
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76 | sums(nzb:nzt+1,var_sum), & |
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77 | sums_l(nzb:nzt+1,var_sum,0:threads_per_task-1), & |
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78 | sums_l_l(nzb:nzt+1,0:statistic_regions,0:threads_per_task-1), & |
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79 | sums_up_fraction_l(10,3,0:statistic_regions), & |
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80 | sums_wsts_bc_l(nzb:nzt+1,0:statistic_regions) ) |
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81 | ALLOCATE( km_damp_x(nxl-1:nxr+1), km_damp_y(nys-1:nyn+1) ) |
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82 | |
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83 | ALLOCATE( rif_1(nys-1:nyn+1,nxl-1:nxr+1), shf_1(nys-1:nyn+1,nxl-1:nxr+1), & |
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84 | ts(nys-1:nyn+1,nxl-1:nxr+1), tswst_1(nys-1:nyn+1,nxl-1:nxr+1), & |
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85 | us(nys-1:nyn+1,nxl-1:nxr+1), usws_1(nys-1:nyn+1,nxl-1:nxr+1), & |
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86 | vsws_1(nys-1:nyn+1,nxl-1:nxr+1), z0(nys-1:nyn+1,nxl-1:nxr+1) ) |
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87 | |
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88 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
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89 | ! |
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90 | !-- Leapfrog scheme needs two timelevels of diffusion quantities |
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91 | ALLOCATE( rif_2(nys-1:nyn+1,nxl-1:nxr+1), & |
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92 | shf_2(nys-1:nyn+1,nxl-1:nxr+1), & |
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93 | tswst_2(nys-1:nyn+1,nxl-1:nxr+1), & |
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94 | usws_2(nys-1:nyn+1,nxl-1:nxr+1), & |
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95 | vsws_2(nys-1:nyn+1,nxl-1:nxr+1) ) |
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96 | ENDIF |
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97 | |
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98 | ALLOCATE( d(nzb+1:nzta,nys:nyna,nxl:nxra), & |
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99 | e_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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100 | e_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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101 | e_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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102 | kh_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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103 | km_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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104 | p(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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105 | pt_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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106 | pt_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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107 | pt_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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108 | tend(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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109 | u_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1+uxrp), & |
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110 | u_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1+uxrp), & |
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111 | u_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1+uxrp), & |
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112 | v_1(nzb:nzt+1,nys-1:nyn+1+vynp,nxl-1:nxr+1), & |
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113 | v_2(nzb:nzt+1,nys-1:nyn+1+vynp,nxl-1:nxr+1), & |
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114 | v_3(nzb:nzt+1,nys-1:nyn+1+vynp,nxl-1:nxr+1), & |
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115 | w_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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116 | w_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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117 | w_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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118 | |
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119 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
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120 | ALLOCATE( kh_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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121 | km_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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122 | ENDIF |
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123 | |
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124 | IF ( moisture .OR. passive_scalar ) THEN |
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125 | ! |
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126 | !-- 2D-moisture/scalar arrays |
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127 | ALLOCATE ( qs(nys-1:nyn+1,nxl-1:nxr+1), & |
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128 | qsws_1(nys-1:nyn+1,nxl-1:nxr+1), & |
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129 | qswst_1(nys-1:nyn+1,nxl-1:nxr+1) ) |
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130 | |
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131 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
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132 | ALLOCATE( qsws_2(nys-1:nyn+1,nxl-1:nxr+1), & |
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133 | qswst_2(nys-1:nyn+1,nxl-1:nxr+1) ) |
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134 | ENDIF |
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135 | ! |
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136 | !-- 3D-moisture/scalar arrays |
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137 | ALLOCATE( q_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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138 | q_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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139 | q_3(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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140 | |
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141 | ! |
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142 | !-- 3D-arrays needed for moisture only |
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143 | IF ( moisture ) THEN |
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144 | ALLOCATE( vpt_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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145 | |
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146 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
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147 | ALLOCATE( vpt_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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148 | ENDIF |
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149 | |
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150 | IF ( cloud_physics ) THEN |
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151 | ! |
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152 | !-- Liquid water content |
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153 | ALLOCATE ( ql_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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154 | ENDIF |
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155 | |
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156 | IF ( cloud_droplets ) THEN |
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157 | ! |
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158 | !-- Liquid water content, change in liquid water content, |
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159 | !-- real volume of particles (with weighting), volume of particles |
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160 | ALLOCATE ( ql_1(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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161 | ql_2(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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162 | ql_v(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1), & |
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163 | ql_vp(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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164 | ENDIF |
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165 | |
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166 | ENDIF |
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167 | |
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168 | ENDIF |
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169 | |
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170 | ! |
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171 | !-- 3D-array for storing the dissipation, needed for calculating the sgs |
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172 | !-- particle velocities |
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173 | IF ( use_sgs_for_particles ) THEN |
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174 | ALLOCATE ( diss(nzb:nzt+1,nys-1:nyn+1,nxl-1:nxr+1) ) |
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175 | ENDIF |
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176 | |
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177 | IF ( dt_dosp /= 9999999.9 ) THEN |
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178 | ALLOCATE( spectrum_x( 1:nx/2, 1:10, 1:10 ), & |
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179 | spectrum_y( 1:ny/2, 1:10, 1:10 ) ) |
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180 | ENDIF |
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181 | |
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182 | ! |
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183 | !-- Initial assignment of the pointers |
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184 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
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185 | |
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186 | rif_m => rif_1; rif => rif_2 |
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187 | shf_m => shf_1; shf => shf_2 |
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188 | tswst_m => tswst_1; tswst => tswst_2 |
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189 | usws_m => usws_1; usws => usws_2 |
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190 | vsws_m => vsws_1; vsws => vsws_2 |
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191 | e_m => e_1; e => e_2; e_p => e_3; te_m => e_3 |
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192 | kh_m => kh_1; kh => kh_2 |
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193 | km_m => km_1; km => km_2 |
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194 | pt_m => pt_1; pt => pt_2; pt_p => pt_3; tpt_m => pt_3 |
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195 | u_m => u_1; u => u_2; u_p => u_3; tu_m => u_3 |
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196 | v_m => v_1; v => v_2; v_p => v_3; tv_m => v_3 |
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197 | w_m => w_1; w => w_2; w_p => w_3; tw_m => w_3 |
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198 | |
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199 | IF ( moisture .OR. passive_scalar ) THEN |
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200 | qsws_m => qsws_1; qsws => qsws_2 |
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201 | qswst_m => qswst_1; qswst => qswst_2 |
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202 | q_m => q_1; q => q_2; q_p => q_3; tq_m => q_3 |
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203 | IF ( moisture ) vpt_m => vpt_1; vpt => vpt_2 |
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204 | IF ( cloud_physics ) ql => ql_1 |
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205 | IF ( cloud_droplets ) THEN |
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206 | ql => ql_1 |
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207 | ql_c => ql_2 |
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208 | ENDIF |
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209 | ENDIF |
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210 | |
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211 | ELSE |
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212 | |
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213 | rif => rif_1 |
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214 | shf => shf_1 |
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215 | tswst => tswst_1 |
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216 | usws => usws_1 |
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217 | vsws => vsws_1 |
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218 | e => e_1; e_p => e_2; te_m => e_3; e_m => e_3 |
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219 | kh => kh_1 |
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220 | km => km_1 |
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221 | pt => pt_1; pt_p => pt_2; tpt_m => pt_3; pt_m => pt_3 |
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222 | u => u_1; u_p => u_2; tu_m => u_3; u_m => u_3 |
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223 | v => v_1; v_p => v_2; tv_m => v_3; v_m => v_3 |
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224 | w => w_1; w_p => w_2; tw_m => w_3; w_m => w_3 |
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225 | |
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226 | IF ( moisture .OR. passive_scalar ) THEN |
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227 | qsws => qsws_1 |
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228 | qswst => qswst_1 |
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229 | q => q_1; q_p => q_2; tq_m => q_3; q_m => q_3 |
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230 | IF ( moisture ) vpt => vpt_1 |
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231 | IF ( cloud_physics ) ql => ql_1 |
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232 | IF ( cloud_droplets ) THEN |
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233 | ql => ql_1 |
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234 | ql_c => ql_2 |
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235 | ENDIF |
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236 | ENDIF |
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237 | |
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238 | ENDIF |
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239 | |
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240 | ! |
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241 | !-- Initialize model variables |
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242 | IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN |
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243 | ! |
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244 | !-- First model run of a possible job queue. |
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245 | !-- Initial profiles of the variables must be computes. |
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246 | IF ( INDEX( initializing_actions, 'set_1d-model_profiles' ) /= 0 ) THEN |
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247 | ! |
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248 | !-- Use solutions of the 1D model as initial profiles, |
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249 | !-- start 1D model |
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250 | CALL init_1d_model |
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251 | ! |
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252 | !-- Transfer initial profiles to the arrays of the 3D model |
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253 | DO i = nxl-1, nxr+1 |
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254 | DO j = nys-1, nyn+1 |
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255 | e(:,j,i) = e1d |
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256 | kh(:,j,i) = kh1d |
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257 | km(:,j,i) = km1d |
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258 | pt(:,j,i) = pt_init |
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259 | ENDDO |
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260 | ENDDO |
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261 | DO i = nxl-1, nxr+uxrp+1 |
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262 | DO j = nys-1, nyn+1 |
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263 | u(:,j,i) = u1d |
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264 | ENDDO |
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265 | ENDDO |
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266 | DO i = nxl-1, nxr+1 |
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267 | DO j = nys-1, nyn+vynp+1 |
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268 | v(:,j,i) = v1d |
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269 | ENDDO |
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270 | ENDDO |
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271 | |
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272 | IF ( moisture .OR. passive_scalar ) THEN |
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273 | DO i = nxl-1, nxr+1 |
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274 | DO j = nys-1, nyn+1 |
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275 | q(:,j,i) = q_init |
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276 | ENDDO |
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277 | ENDDO |
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278 | ENDIF |
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279 | |
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280 | IF ( .NOT. constant_diffusion ) THEN |
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281 | DO i = nxl-1, nxr+1 |
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282 | DO j = nys-1, nyn+1 |
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283 | e(:,j,i) = e1d |
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284 | ENDDO |
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285 | ENDDO |
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286 | ! |
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287 | !-- Store initial profiles for output purposes etc. |
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288 | hom(:,1,25,:) = SPREAD( l1d, 2, statistic_regions+1 ) |
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289 | |
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290 | IF ( prandtl_layer ) THEN |
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291 | rif = rif1d(nzb+1) |
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292 | ts = 0.0 ! could actually be computed more accurately in the |
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293 | ! 1D model. Update when opportunity arises. |
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294 | us = us1d |
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295 | usws = usws1d |
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296 | vsws = vsws1d |
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297 | ELSE |
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298 | ts = 0.0 ! must be set, because used in |
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299 | rif = 0.0 ! flowste |
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300 | us = 0.0 |
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301 | usws = 0.0 |
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302 | vsws = 0.0 |
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303 | ENDIF |
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304 | |
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305 | ELSE |
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306 | e = 0.0 ! must be set, because used in |
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307 | rif = 0.0 ! flowste |
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308 | ts = 0.0 |
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309 | us = 0.0 |
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310 | usws = 0.0 |
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311 | vsws = 0.0 |
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312 | ENDIF |
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313 | |
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314 | ! |
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315 | !-- In every case qs = 0.0 (see also pt) |
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316 | !-- This could actually be computed more accurately in the 1D model. |
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317 | !-- Update when opportunity arises! |
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318 | IF ( moisture .OR. passive_scalar ) qs = 0.0 |
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319 | |
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320 | ! |
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321 | !-- inside buildings set velocities back to zero |
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322 | IF ( topography /= 'flat' ) THEN |
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323 | DO i = nxl-1, nxr+1 |
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324 | DO j = nys-1, nyn+1 |
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325 | u(nzb:nzb_u_inner(j,i),j,i) = 0.0 |
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326 | v(nzb:nzb_v_inner(j,i),j,i) = 0.0 |
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327 | ENDDO |
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328 | ENDDO |
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329 | ! |
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330 | !-- WARNING: The extra boundary conditions set after running the |
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331 | !-- ------- 1D model impose an error on the divergence one layer |
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332 | !-- below the topography; need to correct later |
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333 | !-- ATTENTION: Provisional correction for Piacsek & Williams |
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334 | !-- --------- advection scheme: keep u and v zero one layer below |
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335 | !-- the topography. |
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336 | IF ( ibc_uv_b == 0 ) THEN |
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337 | ! |
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338 | !-- Satisfying the Dirichlet condition with an extra layer below |
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339 | !-- the surface where the u and v component change their sign. |
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340 | DO i = nxl-1, nxr+1 |
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341 | DO j = nys-1, nyn+1 |
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342 | IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = -u(1,j,i) |
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343 | IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = -v(1,j,i) |
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344 | ENDDO |
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345 | ENDDO |
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346 | |
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347 | ELSE |
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348 | ! |
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349 | !-- Neumann condition |
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350 | DO i = nxl-1, nxr+1 |
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351 | DO j = nys-1, nyn+1 |
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352 | IF ( nzb_u_inner(j,i) == 0 ) u(0,j,i) = u(1,j,i) |
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353 | IF ( nzb_v_inner(j,i) == 0 ) v(0,j,i) = v(1,j,i) |
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354 | ENDDO |
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355 | ENDDO |
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356 | |
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357 | ENDIF |
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358 | |
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359 | ENDIF |
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360 | |
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361 | ELSEIF ( INDEX(initializing_actions, 'set_constant_profiles') /= 0 ) & |
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362 | THEN |
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363 | ! |
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364 | !-- Use constructed initial profiles (velocity constant with height, |
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365 | !-- temperature profile with constant gradient) |
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366 | DO i = nxl-1, nxr+1 |
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367 | DO j = nys-1, nyn+1 |
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368 | pt(:,j,i) = pt_init |
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369 | ENDDO |
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370 | ENDDO |
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371 | DO i = nxl-1, nxr+uxrp+1 |
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372 | DO j = nys-1, nyn+1 |
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373 | u(:,j,i) = u_init |
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374 | ENDDO |
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375 | ENDDO |
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376 | DO i = nxl-1, nxr+1 |
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377 | DO j = nys-1, nyn+vynp+1 |
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378 | v(:,j,i) = v_init |
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379 | ENDDO |
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380 | ENDDO |
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381 | ! |
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382 | !-- Set initial horizontal velocities at the lowest grid levels to zero |
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383 | !-- in order to avoid too small time steps caused by the diffusion |
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384 | !-- limit in the initial phase of a run (at k=1, dz/2 occurs in the |
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385 | !-- limiting formula!) |
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386 | DO i = nxl-1, nxr+1 |
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387 | DO j = nys-1, nyn+1 |
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388 | u(nzb:nzb_u_inner(j,i)+1,j,i) = 0.0 |
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389 | v(nzb:nzb_v_inner(j,i)+1,j,i) = 0.0 |
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390 | ENDDO |
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391 | ENDDO |
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392 | |
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393 | IF ( moisture .OR. passive_scalar ) THEN |
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394 | DO i = nxl-1, nxr+1 |
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395 | DO j = nys-1, nyn+1 |
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396 | q(:,j,i) = q_init |
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397 | ENDDO |
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398 | ENDDO |
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399 | ENDIF |
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400 | |
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401 | |
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402 | IF ( constant_diffusion ) THEN |
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403 | km = km_constant |
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404 | kh = km / prandtl_number |
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405 | ELSE |
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406 | kh = 0.01 ! there must exist an initial diffusion, because |
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407 | km = 0.01 ! otherwise no TKE would be produced by the |
---|
408 | ! production terms, as long as not yet |
---|
409 | ! e = (u*/cm)**2 at k=nzb+1 |
---|
410 | ENDIF |
---|
411 | e = 0.0 |
---|
412 | rif = 0.0 |
---|
413 | ts = 0.0 |
---|
414 | us = 0.0 |
---|
415 | usws = 0.0 |
---|
416 | vsws = 0.0 |
---|
417 | IF ( moisture .OR. passive_scalar ) qs = 0.0 |
---|
418 | |
---|
419 | ! |
---|
420 | !-- Compute initial temperature field and other constants used in case |
---|
421 | !-- of a sloping surface |
---|
422 | IF ( sloping_surface ) CALL init_slope |
---|
423 | |
---|
424 | ELSEIF ( INDEX(initializing_actions, 'by_user') /= 0 ) & |
---|
425 | THEN |
---|
426 | ! |
---|
427 | !-- Initialization will completely be done by the user |
---|
428 | CALL user_init_3d_model |
---|
429 | |
---|
430 | ENDIF |
---|
431 | |
---|
432 | ! |
---|
433 | !-- Calculate virtual potential temperature |
---|
434 | IF ( moisture ) vpt = pt * ( 1.0 + 0.61 * q ) |
---|
435 | |
---|
436 | ! |
---|
437 | !-- Store initial profiles for output purposes etc. |
---|
438 | hom(:,1,5,:) = SPREAD( u(:,nys,nxl), 2, statistic_regions+1 ) |
---|
439 | hom(:,1,6,:) = SPREAD( v(:,nys,nxl), 2, statistic_regions+1 ) |
---|
440 | IF ( ibc_uv_b == 0 ) THEN |
---|
441 | hom(nzb,1,5,:) = -hom(nzb+1,1,5,:) ! due to satisfying the Dirichlet |
---|
442 | hom(nzb,1,6,:) = -hom(nzb+1,1,6,:) ! condition with an extra layer |
---|
443 | ! below the surface where the u and v component change their sign |
---|
444 | ENDIF |
---|
445 | hom(:,1,7,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 ) |
---|
446 | hom(:,1,23,:) = SPREAD( km(:,nys,nxl), 2, statistic_regions+1 ) |
---|
447 | hom(:,1,24,:) = SPREAD( kh(:,nys,nxl), 2, statistic_regions+1 ) |
---|
448 | |
---|
449 | |
---|
450 | IF ( moisture ) THEN |
---|
451 | ! |
---|
452 | !-- Store initial profile of total water content, virtual potential |
---|
453 | !-- temperature |
---|
454 | hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 ) |
---|
455 | hom(:,1,29,:) = SPREAD( vpt(:,nys,nxl), 2, statistic_regions+1 ) |
---|
456 | IF ( cloud_physics .OR. cloud_droplets ) THEN |
---|
457 | ! |
---|
458 | !-- Store initial profile of specific humidity and potential |
---|
459 | !-- temperature |
---|
460 | hom(:,1,27,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 ) |
---|
461 | hom(:,1,28,:) = SPREAD( pt(:,nys,nxl), 2, statistic_regions+1 ) |
---|
462 | ENDIF |
---|
463 | ENDIF |
---|
464 | |
---|
465 | IF ( passive_scalar ) THEN |
---|
466 | ! |
---|
467 | !-- Store initial scalar profile |
---|
468 | hom(:,1,26,:) = SPREAD( q(:,nys,nxl), 2, statistic_regions+1 ) |
---|
469 | ENDIF |
---|
470 | |
---|
471 | ! |
---|
472 | !-- Initialize fluxes at bottom surface |
---|
473 | IF ( use_surface_fluxes ) THEN |
---|
474 | |
---|
475 | IF ( constant_heatflux ) THEN |
---|
476 | ! |
---|
477 | !-- Heat flux is prescribed |
---|
478 | IF ( random_heatflux ) THEN |
---|
479 | CALL disturb_heatflux |
---|
480 | ELSE |
---|
481 | shf = surface_heatflux |
---|
482 | ! |
---|
483 | !-- Over topography surface_heatflux is replaced by wall_heatflux(0) |
---|
484 | IF ( TRIM( topography ) /= 'flat' ) THEN |
---|
485 | DO i = nxl-1, nxr+1 |
---|
486 | DO j = nys-1, nyn+1 |
---|
487 | IF ( nzb_s_inner(j,i) /= 0 ) THEN |
---|
488 | shf(j,i) = wall_heatflux(0) |
---|
489 | ENDIF |
---|
490 | ENDDO |
---|
491 | ENDDO |
---|
492 | ENDIF |
---|
493 | ENDIF |
---|
494 | IF ( ASSOCIATED( shf_m ) ) shf_m = shf |
---|
495 | ENDIF |
---|
496 | |
---|
497 | ! |
---|
498 | !-- Determine the near-surface water flux |
---|
499 | IF ( moisture .OR. passive_scalar ) THEN |
---|
500 | IF ( constant_waterflux ) THEN |
---|
501 | qsws = surface_waterflux |
---|
502 | IF ( ASSOCIATED( qsws_m ) ) qsws_m = qsws |
---|
503 | ENDIF |
---|
504 | ENDIF |
---|
505 | |
---|
506 | ENDIF |
---|
507 | |
---|
508 | ! |
---|
509 | !-- Initialize fluxes at top surface |
---|
510 | !-- Currently, only the heatflux can be prescribed. The latent flux is |
---|
511 | !-- zero in this case! |
---|
512 | IF ( use_top_fluxes ) THEN |
---|
513 | |
---|
514 | IF ( constant_top_heatflux ) THEN |
---|
515 | ! |
---|
516 | !-- Heat flux is prescribed |
---|
517 | tswst = top_heatflux |
---|
518 | IF ( ASSOCIATED( tswst_m ) ) tswst_m = tswst |
---|
519 | |
---|
520 | IF ( moisture .OR. passive_scalar ) THEN |
---|
521 | qswst = 0.0 |
---|
522 | IF ( ASSOCIATED( qswst_m ) ) qswst_m = qswst |
---|
523 | ENDIF |
---|
524 | ENDIF |
---|
525 | |
---|
526 | ENDIF |
---|
527 | |
---|
528 | ! |
---|
529 | !-- Initialize Prandtl layer quantities |
---|
530 | IF ( prandtl_layer ) THEN |
---|
531 | |
---|
532 | z0 = roughness_length |
---|
533 | |
---|
534 | IF ( .NOT. constant_heatflux ) THEN |
---|
535 | ! |
---|
536 | !-- Surface temperature is prescribed. Here the heat flux cannot be |
---|
537 | !-- simply estimated, because therefore rif, u* and theta* would have |
---|
538 | !-- to be computed by iteration. This is why the heat flux is assumed |
---|
539 | !-- to be zero before the first time step. It approaches its correct |
---|
540 | !-- value in the course of the first few time steps. |
---|
541 | shf = 0.0 |
---|
542 | IF ( ASSOCIATED( shf_m ) ) shf_m = 0.0 |
---|
543 | ENDIF |
---|
544 | |
---|
545 | IF ( moisture .OR. passive_scalar ) THEN |
---|
546 | IF ( .NOT. constant_waterflux ) THEN |
---|
547 | qsws = 0.0 |
---|
548 | IF ( ASSOCIATED( qsws_m ) ) qsws_m = 0.0 |
---|
549 | ENDIF |
---|
550 | ENDIF |
---|
551 | |
---|
552 | ENDIF |
---|
553 | |
---|
554 | ! |
---|
555 | !-- Calculate the initial volume flow at the right and north boundary |
---|
556 | IF ( conserve_volume_flow ) THEN |
---|
557 | |
---|
558 | volume_flow_initial_l = 0.0 |
---|
559 | volume_flow_area_l = 0.0 |
---|
560 | |
---|
561 | IF ( nxr == nx ) THEN |
---|
562 | DO j = nys, nyn |
---|
563 | DO k = nzb_2d(j,nx) + 1, nzt |
---|
564 | volume_flow_initial_l(1) = volume_flow_initial_l(1) + & |
---|
565 | u(k,j,nx) * dzu(k) |
---|
566 | volume_flow_area_l(1) = volume_flow_area_l(1) + dzu(k) |
---|
567 | ENDDO |
---|
568 | ENDDO |
---|
569 | ENDIF |
---|
570 | |
---|
571 | IF ( nyn == ny ) THEN |
---|
572 | DO i = nxl, nxr |
---|
573 | DO k = nzb_2d(ny,i) + 1, nzt |
---|
574 | volume_flow_initial_l(2) = volume_flow_initial_l(2) + & |
---|
575 | v(k,ny,i) * dzu(k) |
---|
576 | volume_flow_area_l(2) = volume_flow_area_l(2) + dzu(k) |
---|
577 | ENDDO |
---|
578 | ENDDO |
---|
579 | ENDIF |
---|
580 | |
---|
581 | #if defined( __parallel ) |
---|
582 | CALL MPI_ALLREDUCE( volume_flow_initial_l(1), volume_flow_initial(1),& |
---|
583 | 2, MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
584 | CALL MPI_ALLREDUCE( volume_flow_area_l(1), volume_flow_area(1), & |
---|
585 | 2, MPI_REAL, MPI_SUM, comm2d, ierr ) |
---|
586 | #else |
---|
587 | volume_flow_initial = volume_flow_initial_l |
---|
588 | volume_flow_area = volume_flow_area_l |
---|
589 | #endif |
---|
590 | ENDIF |
---|
591 | |
---|
592 | ! |
---|
593 | !-- For the moment, perturbation pressure and vertical velocity are zero |
---|
594 | p = 0.0; w = 0.0 |
---|
595 | |
---|
596 | ! |
---|
597 | !-- Initialize array sums (must be defined in first call of pres) |
---|
598 | sums = 0.0 |
---|
599 | |
---|
600 | ! |
---|
601 | !-- Treating cloud physics, liquid water content is zero at beginning of |
---|
602 | !-- the simulation |
---|
603 | IF ( cloud_physics ) ql = 0.0 |
---|
604 | |
---|
605 | ! |
---|
606 | !-- Initialize spectra |
---|
607 | IF ( dt_dosp /= 9999999.9 ) THEN |
---|
608 | spectrum_x = 0.0 |
---|
609 | spectrum_y = 0.0 |
---|
610 | ENDIF |
---|
611 | |
---|
612 | ! |
---|
613 | !-- Impose vortex with vertical axis on the initial velocity profile |
---|
614 | IF ( INDEX( initializing_actions, 'initialize_vortex' ) /= 0 ) THEN |
---|
615 | CALL init_rankine |
---|
616 | ENDIF |
---|
617 | |
---|
618 | ! |
---|
619 | !-- Impose temperature anomaly (advection test only) |
---|
620 | IF ( INDEX( initializing_actions, 'initialize_ptanom' ) /= 0 ) THEN |
---|
621 | CALL init_pt_anomaly |
---|
622 | ENDIF |
---|
623 | |
---|
624 | ! |
---|
625 | !-- If required, change the surface temperature at the start of the 3D run |
---|
626 | IF ( pt_surface_initial_change /= 0.0 ) THEN |
---|
627 | pt(nzb,:,:) = pt(nzb,:,:) + pt_surface_initial_change |
---|
628 | ENDIF |
---|
629 | |
---|
630 | ! |
---|
631 | !-- If required, change the surface humidity/scalar at the start of the 3D |
---|
632 | !-- run |
---|
633 | IF ( ( moisture .OR. passive_scalar ) .AND. & |
---|
634 | q_surface_initial_change /= 0.0 ) THEN |
---|
635 | q(nzb,:,:) = q(nzb,:,:) + q_surface_initial_change |
---|
636 | ENDIF |
---|
637 | |
---|
638 | ! |
---|
639 | !-- Initialize the random number generator (from numerical recipes) |
---|
640 | CALL random_function_ini |
---|
641 | |
---|
642 | ! |
---|
643 | !-- Impose random perturbation on the horizontal velocity field and then |
---|
644 | !-- remove the divergences from the velocity field |
---|
645 | IF ( create_disturbances ) THEN |
---|
646 | CALL disturb_field( nzb_u_inner, tend, u, uxrp, 0 ) |
---|
647 | CALL disturb_field( nzb_v_inner, tend, v, 0, vynp ) |
---|
648 | n_sor = nsor_ini |
---|
649 | CALL pres |
---|
650 | n_sor = nsor |
---|
651 | ENDIF |
---|
652 | |
---|
653 | ! |
---|
654 | !-- Once again set the perturbation pressure explicitly to zero in order to |
---|
655 | !-- assure that it does not generate any divergences in the first time step. |
---|
656 | !-- At t=0 the velocity field is free of divergence (as constructed above). |
---|
657 | !-- Divergences being created during a time step are not yet known and thus |
---|
658 | !-- cannot be corrected during the time step yet. |
---|
659 | p = 0.0 |
---|
660 | |
---|
661 | ! |
---|
662 | !-- Initialize old and new time levels. |
---|
663 | IF ( timestep_scheme(1:5) /= 'runge' ) THEN |
---|
664 | e_m = e; pt_m = pt; u_m = u; v_m = v; w_m = w; kh_m = kh; km_m = km |
---|
665 | ELSE |
---|
666 | te_m = 0.0; tpt_m = 0.0; tu_m = 0.0; tv_m = 0.0; tw_m = 0.0 |
---|
667 | ENDIF |
---|
668 | e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w |
---|
669 | |
---|
670 | IF ( moisture .OR. passive_scalar ) THEN |
---|
671 | IF ( ASSOCIATED( q_m ) ) q_m = q |
---|
672 | IF ( timestep_scheme(1:5) == 'runge' ) tq_m = 0.0 |
---|
673 | q_p = q |
---|
674 | IF ( moisture .AND. ASSOCIATED( vpt_m ) ) vpt_m = vpt |
---|
675 | ENDIF |
---|
676 | |
---|
677 | ELSEIF ( TRIM( initializing_actions ) == 'read_restart_data' ) & |
---|
678 | THEN |
---|
679 | ! |
---|
680 | !-- Read binary data from restart file |
---|
681 | CALL read_3d_binary |
---|
682 | |
---|
683 | ! |
---|
684 | !-- Calculate initial temperature field and other constants used in case |
---|
685 | !-- of a sloping surface |
---|
686 | IF ( sloping_surface ) CALL init_slope |
---|
687 | |
---|
688 | ! |
---|
689 | !-- Initialize new time levels (only done in order to set boundary values |
---|
690 | !-- including ghost points) |
---|
691 | e_p = e; pt_p = pt; u_p = u; v_p = v; w_p = w |
---|
692 | IF ( moisture .OR. passive_scalar ) q_p = q |
---|
693 | |
---|
694 | ELSE |
---|
695 | ! |
---|
696 | !-- Actually this part of the programm should not be reached |
---|
697 | IF ( myid == 0 ) PRINT*,'+++ init_3d_model: unknown initializing ', & |
---|
698 | 'problem' |
---|
699 | CALL local_stop |
---|
700 | ENDIF |
---|
701 | |
---|
702 | ! |
---|
703 | !-- If required, initialize dvrp-software |
---|
704 | ! WRITE ( 9, * ) '*** myid=', myid, ' vor init_dvrp' |
---|
705 | ! CALL FLUSH_( 9 ) |
---|
706 | IF ( dt_dvrp /= 9999999.9 ) CALL init_dvrp |
---|
707 | ! WRITE ( 9, * ) '*** myid=', myid, ' nach init_dvrp' |
---|
708 | ! CALL FLUSH_( 9 ) |
---|
709 | |
---|
710 | ! |
---|
711 | !-- If required, initialize quantities for handling cloud physics |
---|
712 | !-- This routine must be called before init_particles, because |
---|
713 | !-- otherwise, array pt_d_t, needed in data_output_dvrp (called by |
---|
714 | !-- init_particles) is not defined. |
---|
715 | CALL init_cloud_physics |
---|
716 | |
---|
717 | ! |
---|
718 | !-- If required, initialize particles |
---|
719 | ! WRITE ( 9, * ) '*** myid=', myid, ' vor init_particles' |
---|
720 | ! CALL FLUSH_( 9 ) |
---|
721 | CALL init_particles |
---|
722 | ! WRITE ( 9, * ) '*** myid=', myid, ' nach init_particles' |
---|
723 | ! CALL FLUSH_( 9 ) |
---|
724 | |
---|
725 | ! |
---|
726 | !-- Initialize quantities for special advections schemes |
---|
727 | CALL init_advec |
---|
728 | |
---|
729 | ! |
---|
730 | !-- Initialize Rayleigh damping factors |
---|
731 | rdf = 0.0 |
---|
732 | IF ( rayleigh_damping_factor /= 0.0 ) THEN |
---|
733 | DO k = nzb+1, nzt |
---|
734 | IF ( zu(k) >= rayleigh_damping_height ) THEN |
---|
735 | rdf(k) = rayleigh_damping_factor * & |
---|
736 | ( SIN( pi * 0.5 * ( zu(k) - rayleigh_damping_height ) & |
---|
737 | / ( zu(nzt) - rayleigh_damping_height ) )& |
---|
738 | )**2 |
---|
739 | ENDIF |
---|
740 | ENDDO |
---|
741 | ENDIF |
---|
742 | |
---|
743 | ! |
---|
744 | !-- Initialize diffusivities used within the outflow damping layer in case of |
---|
745 | !-- non-cyclic lateral boundaries. A linear increase is assumed over the first |
---|
746 | !-- half of the width of the damping layer |
---|
747 | IF ( bc_lr /= 'cyclic' ) THEN |
---|
748 | |
---|
749 | DO i = nxl-1, nxr+1 |
---|
750 | |
---|
751 | IF ( outflow_r ) THEN |
---|
752 | |
---|
753 | IF ( i >= nx - outflow_damping_width ) THEN |
---|
754 | km_damp_x(i) = km_damp_max * MIN( 1.0, & |
---|
755 | ( i - ( nx - outflow_damping_width ) ) / & |
---|
756 | REAL( outflow_damping_width/2 ) & |
---|
757 | ) |
---|
758 | ELSE |
---|
759 | km_damp_x(i) = 0.0 |
---|
760 | ENDIF |
---|
761 | |
---|
762 | ELSEIF ( outflow_l ) THEN |
---|
763 | |
---|
764 | IF ( i <= outflow_damping_width ) THEN |
---|
765 | km_damp_x(i) = km_damp_max * MIN( 1.0, & |
---|
766 | ( outflow_damping_width - i ) / & |
---|
767 | REAL( outflow_damping_width/2 ) & |
---|
768 | ) |
---|
769 | ELSE |
---|
770 | km_damp_x(i) = 0.0 |
---|
771 | ENDIF |
---|
772 | |
---|
773 | ENDIF |
---|
774 | |
---|
775 | ENDDO |
---|
776 | ENDIF |
---|
777 | |
---|
778 | IF ( bc_ns /= 'cyclic' ) THEN |
---|
779 | |
---|
780 | DO j = nys-1, nyn+1 |
---|
781 | |
---|
782 | IF ( outflow_n ) THEN |
---|
783 | |
---|
784 | IF ( j >= ny - outflow_damping_width ) THEN |
---|
785 | km_damp_y(j) = km_damp_max * MIN( 1.0, & |
---|
786 | ( j - ( ny - outflow_damping_width ) ) / & |
---|
787 | REAL( outflow_damping_width/2 ) & |
---|
788 | ) |
---|
789 | ELSE |
---|
790 | km_damp_y(j) = 0.0 |
---|
791 | ENDIF |
---|
792 | |
---|
793 | ELSEIF ( outflow_s ) THEN |
---|
794 | |
---|
795 | IF ( j <= outflow_damping_width ) THEN |
---|
796 | km_damp_y(j) = km_damp_max * MIN( 1.0, & |
---|
797 | ( outflow_damping_width - j ) / & |
---|
798 | REAL( outflow_damping_width/2 ) & |
---|
799 | ) |
---|
800 | ELSE |
---|
801 | km_damp_y(j) = 0.0 |
---|
802 | ENDIF |
---|
803 | |
---|
804 | ENDIF |
---|
805 | |
---|
806 | ENDDO |
---|
807 | ENDIF |
---|
808 | |
---|
809 | ! |
---|
810 | !-- Initialize local summation arrays for UP flow_statistics. This is necessary |
---|
811 | !-- because they may not yet have been initialized when they are called from |
---|
812 | !-- flow_statistics (or - depending on the chosen model run - are never |
---|
813 | !-- initialized) |
---|
814 | sums_divnew_l = 0.0 |
---|
815 | sums_divold_l = 0.0 |
---|
816 | sums_l_l = 0.0 |
---|
817 | sums_up_fraction_l = 0.0 |
---|
818 | sums_wsts_bc_l = 0.0 |
---|
819 | |
---|
820 | ! |
---|
821 | !-- Pre-set masks for regional statistics. Default is the total model domain. |
---|
822 | rmask = 1.0 |
---|
823 | |
---|
824 | ! |
---|
825 | !-- User-defined initializing actions |
---|
826 | CALL user_init |
---|
827 | |
---|
828 | ! |
---|
829 | !-- Input binary data file is not needed anymore. This line must be placed |
---|
830 | !-- after call of user_init! |
---|
831 | CALL close_file( 13 ) |
---|
832 | |
---|
833 | ! |
---|
834 | !-- Compute total sum of active mask grid points |
---|
835 | !-- ngp_2dh: number of grid points of a horizontal cross section through the |
---|
836 | !-- total domain |
---|
837 | !-- ngp_3d: number of grid points of the total domain |
---|
838 | !-- Note: The lower vertical index nzb_s_outer imposes a small error on the 2D |
---|
839 | !-- ---- averages of staggered variables such as u and v due to the topography |
---|
840 | !-- arrangement on the staggered grid. Maybe revise later. |
---|
841 | ngp_2dh_outer_l = 0 |
---|
842 | ngp_2dh_outer = 0 |
---|
843 | ngp_2dh_l = 0 |
---|
844 | ngp_2dh = 0 |
---|
845 | ngp_3d_inner_l = 0 |
---|
846 | ngp_3d_inner = 0 |
---|
847 | ngp_3d = 0 |
---|
848 | ngp_sums = ( nz + 2 ) * var_sum |
---|
849 | |
---|
850 | DO sr = 0, statistic_regions |
---|
851 | DO i = nxl, nxr |
---|
852 | DO j = nys, nyn |
---|
853 | IF ( rmask(j,i,sr) == 1.0 ) THEN |
---|
854 | ! |
---|
855 | !-- All xy-grid points |
---|
856 | ngp_2dh_l(sr) = ngp_2dh_l(sr) + 1 |
---|
857 | ! |
---|
858 | !-- xy-grid points above topography |
---|
859 | DO k = nzb_s_outer(j,i), nz + 1 |
---|
860 | ngp_2dh_outer_l(k,sr) = ngp_2dh_outer_l(k,sr) + 1 |
---|
861 | ENDDO |
---|
862 | ! |
---|
863 | !-- All grid points of the total domain above topography |
---|
864 | ngp_3d_inner_l(sr) = ngp_3d_inner_l(sr) + & |
---|
865 | ( nz - nzb_s_inner(j,i) + 2 ) |
---|
866 | ENDIF |
---|
867 | ENDDO |
---|
868 | ENDDO |
---|
869 | ENDDO |
---|
870 | |
---|
871 | sr = statistic_regions + 1 |
---|
872 | #if defined( __parallel ) |
---|
873 | CALL MPI_ALLREDUCE( ngp_2dh_l(0), ngp_2dh(0), sr, MPI_INTEGER, MPI_SUM, & |
---|
874 | comm2d, ierr ) |
---|
875 | CALL MPI_ALLREDUCE( ngp_2dh_outer_l(0,0), ngp_2dh_outer(0,0), (nz+2)*sr, & |
---|
876 | MPI_INTEGER, MPI_SUM, comm2d, ierr ) |
---|
877 | CALL MPI_ALLREDUCE( ngp_3d_inner_l(0), ngp_3d_inner(0), sr, MPI_INTEGER, & |
---|
878 | MPI_SUM, comm2d, ierr ) |
---|
879 | #else |
---|
880 | ngp_2dh = ngp_2dh_l |
---|
881 | ngp_2dh_outer = ngp_2dh_outer_l |
---|
882 | ngp_3d_inner = ngp_3d_inner_l |
---|
883 | #endif |
---|
884 | |
---|
885 | ngp_3d = ngp_2dh * ( nz + 2 ) |
---|
886 | |
---|
887 | ! |
---|
888 | !-- Set a lower limit of 1 in order to avoid zero divisions in flow_statistics, |
---|
889 | !-- buoyancy, etc. A zero value will occur for cases where all grid points of |
---|
890 | !-- the respective subdomain lie below the surface topography |
---|
891 | ngp_2dh_outer = MAX( 1, ngp_2dh_outer(:,:) ) |
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892 | ngp_3d_inner = MAX( 1, ngp_3d_inner(:) ) |
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893 | |
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894 | DEALLOCATE( ngp_2dh_l, ngp_2dh_outer_l, ngp_3d_inner_l ) |
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895 | |
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896 | |
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897 | END SUBROUTINE init_3d_model |
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