1 | SUBROUTINE inflow_turbulence |
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2 | |
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3 | !------------------------------------------------------------------------------! |
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4 | ! Current revisions: |
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5 | ! ----------------- |
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6 | ! |
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7 | ! |
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8 | ! Former revisions: |
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9 | ! ----------------- |
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10 | ! $Id: inflow_turbulence.f90 623 2010-12-10 08:52:17Z raasch $ |
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11 | ! |
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12 | ! 622 2010-12-10 08:08:13Z raasch |
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13 | ! optional barriers included in order to speed up collective operations |
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14 | ! |
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15 | ! 222 2009-01-12 16:04:16Z letzel |
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16 | ! Bugfix for nonparallel execution |
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17 | ! |
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18 | ! Initial version (2008/03/07) |
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19 | ! |
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20 | ! Description: |
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21 | ! ------------ |
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22 | ! Imposing turbulence at the respective inflow using the turbulence |
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23 | ! recycling method of Kataoka and Mizuno (2002). |
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24 | !------------------------------------------------------------------------------! |
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25 | |
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26 | USE arrays_3d |
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27 | USE control_parameters |
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28 | USE cpulog |
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29 | USE grid_variables |
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30 | USE indices |
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31 | USE interfaces |
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32 | USE pegrid |
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33 | |
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34 | |
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35 | IMPLICIT NONE |
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36 | |
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37 | INTEGER :: i, imax, j, k, ngp_ifd, ngp_pr |
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38 | |
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39 | REAL, DIMENSION(1:2) :: volume_flow_l, volume_flow_offset |
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40 | REAL, DIMENSION(nzb:nzt+1,5) :: avpr, avpr_l |
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41 | REAL, DIMENSION(nzb:nzt+1,nys-1:nyn+1,5) :: inflow_dist |
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42 | |
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43 | CALL cpu_log( log_point(40), 'inflow_turbulence', 'start' ) |
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44 | |
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45 | ! |
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46 | !-- Carry out horizontal averaging in the recycling plane |
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47 | avpr_l = 0.0 |
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48 | ngp_pr = ( nzt - nzb + 2 ) * 5 |
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49 | ngp_ifd = ngp_pr * ( nyn - nys + 3 ) |
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50 | |
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51 | ! |
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52 | !-- First, local averaging within the recycling domain |
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53 | IF ( recycling_plane >= nxl ) THEN |
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54 | |
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55 | imax = MIN( nxr, recycling_plane ) |
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56 | |
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57 | DO i = nxl, imax |
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58 | DO j = nys, nyn |
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59 | DO k = nzb, nzt+1 |
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60 | |
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61 | avpr_l(k,1) = avpr_l(k,1) + u(k,j,i) |
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62 | avpr_l(k,2) = avpr_l(k,2) + v(k,j,i) |
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63 | avpr_l(k,3) = avpr_l(k,3) + w(k,j,i) |
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64 | avpr_l(k,4) = avpr_l(k,4) + pt(k,j,i) |
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65 | avpr_l(k,5) = avpr_l(k,5) + e(k,j,i) |
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66 | |
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67 | ENDDO |
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68 | ENDDO |
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69 | ENDDO |
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70 | |
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71 | ENDIF |
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72 | |
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73 | ! WRITE (9,*) '*** averaged profiles avpr_l' |
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74 | ! DO k = nzb, nzt+1 |
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75 | ! WRITE (9,'(F5.1,1X,F5.1,1X,F5.1,1X,F6.1,1X,F7.2)') avpr_l(k,1),avpr_l(k,2),avpr_l(k,3),avpr_l(k,4),avpr_l(k,5) |
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76 | ! ENDDO |
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77 | ! WRITE (9,*) ' ' |
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78 | |
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79 | #if defined( __parallel ) |
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80 | ! |
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81 | !-- Now, averaging over all PEs |
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82 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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83 | CALL MPI_ALLREDUCE( avpr_l(nzb,1), avpr(nzb,1), ngp_pr, MPI_REAL, MPI_SUM, & |
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84 | comm2d, ierr ) |
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85 | #else |
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86 | avpr = avpr_l |
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87 | #endif |
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88 | |
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89 | avpr = avpr / ( ( ny + 1 ) * ( recycling_plane + 1 ) ) |
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90 | |
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91 | ! WRITE (9,*) '*** averaged profiles' |
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92 | ! DO k = nzb, nzt+1 |
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93 | ! WRITE (9,'(F5.1,1X,F5.1,1X,F5.1,1X,F6.1,1X,F7.2)') avpr(k,1),avpr(k,2),avpr(k,3),avpr(k,4),avpr(k,5) |
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94 | ! ENDDO |
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95 | ! WRITE (9,*) ' ' |
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96 | |
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97 | ! |
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98 | !-- Calculate the disturbances at the recycling plane |
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99 | i = recycling_plane |
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100 | |
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101 | #if defined( __parallel ) |
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102 | IF ( myidx == id_recycling ) THEN |
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103 | |
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104 | DO j = nys-1, nyn+1 |
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105 | DO k = nzb, nzt+1 |
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106 | |
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107 | inflow_dist(k,j,1) = u(k,j,i+1) - avpr(k,1) |
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108 | inflow_dist(k,j,2) = v(k,j,i) - avpr(k,2) |
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109 | inflow_dist(k,j,3) = w(k,j,i) - avpr(k,3) |
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110 | inflow_dist(k,j,4) = pt(k,j,i) - avpr(k,4) |
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111 | inflow_dist(k,j,5) = e(k,j,i) - avpr(k,5) |
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112 | |
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113 | ENDDO |
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114 | ENDDO |
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115 | |
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116 | ENDIF |
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117 | #else |
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118 | DO j = nys-1, nyn+1 |
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119 | DO k = nzb, nzt+1 |
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120 | |
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121 | inflow_dist(k,j,1) = u(k,j,i+1) - avpr(k,1) |
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122 | inflow_dist(k,j,2) = v(k,j,i) - avpr(k,2) |
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123 | inflow_dist(k,j,3) = w(k,j,i) - avpr(k,3) |
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124 | inflow_dist(k,j,4) = pt(k,j,i) - avpr(k,4) |
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125 | inflow_dist(k,j,5) = e(k,j,i) - avpr(k,5) |
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126 | |
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127 | ENDDO |
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128 | ENDDO |
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129 | #endif |
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130 | |
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131 | ! |
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132 | !-- For parallel runs, send the disturbances to the respective inflow PE |
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133 | #if defined( __parallel ) |
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134 | IF ( myidx == id_recycling .AND. myidx /= id_inflow ) THEN |
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135 | |
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136 | CALL MPI_SEND( inflow_dist(nzb,nys-1,1), ngp_ifd, MPI_REAL, & |
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137 | id_inflow, 1, comm1dx, ierr ) |
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138 | |
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139 | ELSEIF ( myidx /= id_recycling .AND. myidx == id_inflow ) THEN |
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140 | |
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141 | inflow_dist = 0.0 |
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142 | CALL MPI_RECV( inflow_dist(nzb,nys-1,1), ngp_ifd, MPI_REAL, & |
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143 | id_recycling, 1, comm1dx, status, ierr ) |
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144 | |
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145 | ENDIF |
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146 | #endif |
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147 | |
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148 | ! |
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149 | !-- Add the disturbance at the inflow |
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150 | IF ( nxl == 0 ) THEN |
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151 | |
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152 | DO j = nys-1, nyn+1 |
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153 | DO k = nzb, nzt+1 |
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154 | |
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155 | ! WRITE (9,*) 'j=',j,' k=',k |
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156 | ! WRITE (9,*) 'mean_u = ', mean_inflow_profiles(k,1), ' dist_u = ',& |
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157 | ! inflow_dist(k,j,1) |
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158 | ! WRITE (9,*) 'mean_v = ', mean_inflow_profiles(k,2), ' dist_v = ',& |
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159 | ! inflow_dist(k,j,2) |
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160 | ! WRITE (9,*) 'mean_w = 0.0', ' dist_w = ',& |
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161 | ! inflow_dist(k,j,3) |
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162 | ! WRITE (9,*) 'mean_pt = ', mean_inflow_profiles(k,4), ' dist_pt = ',& |
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163 | ! inflow_dist(k,j,4) |
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164 | ! WRITE (9,*) 'mean_e = ', mean_inflow_profiles(k,5), ' dist_e = ',& |
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165 | ! inflow_dist(k,j,5) |
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166 | u(k,j,0) = mean_inflow_profiles(k,1) + & |
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167 | inflow_dist(k,j,1) * inflow_damping_factor(k) |
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168 | v(k,j,-1) = mean_inflow_profiles(k,2) + & |
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169 | inflow_dist(k,j,2) * inflow_damping_factor(k) |
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170 | w(k,j,-1) = inflow_dist(k,j,3) * inflow_damping_factor(k) |
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171 | pt(k,j,-1) = mean_inflow_profiles(k,4) + & |
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172 | inflow_dist(k,j,4) * inflow_damping_factor(k) |
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173 | e(k,j,-1) = mean_inflow_profiles(k,5) + & |
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174 | inflow_dist(k,j,5) * inflow_damping_factor(k) |
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175 | e(k,j,-1) = MAX( e(k,j,-1), 0.0 ) |
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176 | |
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177 | ENDDO |
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178 | ENDDO |
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179 | |
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180 | ENDIF |
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181 | |
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182 | ! |
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183 | !-- Conserve the volume flow at the inflow in order to avoid generation of |
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184 | !-- waves in the stable layer |
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185 | ! IF ( conserve_volume_flow .AND. inflow_l ) THEN |
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186 | |
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187 | ! volume_flow(1) = 0.0 |
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188 | ! volume_flow_l(1) = 0.0 |
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189 | |
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190 | ! i = 0 |
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191 | |
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192 | ! DO j = nys, nyn |
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193 | ! |
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194 | !-- Sum up the volume flow through the south/north boundary |
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195 | ! DO k = nzb_2d(j,i) + 1, nzt |
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196 | ! volume_flow_l(1) = volume_flow_l(1) + u(k,j,i) * dzu(k) |
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197 | ! ENDDO |
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198 | ! ENDDO |
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199 | |
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200 | #if defined( __parallel ) |
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201 | ! IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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202 | ! CALL MPI_ALLREDUCE( volume_flow_l(1), volume_flow(1), 1, MPI_REAL, & |
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203 | ! MPI_SUM, comm1dy, ierr ) |
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204 | #else |
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205 | ! volume_flow = volume_flow_l |
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206 | #endif |
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207 | ! volume_flow_offset(1) = ( volume_flow_initial(1) - volume_flow(1) ) & |
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208 | ! / volume_flow_area(1) |
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209 | |
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210 | ! DO j = nys-1, nyn+1 |
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211 | ! DO k = nzb_v_inner(j,i) + 1, nzt |
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212 | ! u(k,j,i) = u(k,j,i) + volume_flow_offset(1) |
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213 | ! ENDDO |
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214 | ! ENDDO |
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215 | |
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216 | ! ENDIF |
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217 | |
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218 | CALL cpu_log( log_point(40), 'inflow_turbulence', 'stop' ) |
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219 | |
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220 | |
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221 | END SUBROUTINE inflow_turbulence |
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