1 | !> @file advec_v_up.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of PALM. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2017 Leibniz Universitaet Hannover |
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18 | !------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: advec_v_up.f90 2233 2017-05-30 18:08:54Z Giersch $ |
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27 | ! |
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28 | ! 2232 2017-05-30 17:47:52Z suehring |
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29 | ! topography representation via flags |
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30 | ! |
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31 | ! 2000 2016-08-20 18:09:15Z knoop |
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32 | ! Forced header and separation lines into 80 columns |
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33 | ! |
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34 | ! 1873 2016-04-18 14:50:06Z maronga |
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35 | ! Module renamed (removed _mod) |
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36 | ! |
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37 | ! |
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38 | ! 1850 2016-04-08 13:29:27Z maronga |
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39 | ! Module renamed |
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40 | ! |
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41 | ! |
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42 | ! 1682 2015-10-07 23:56:08Z knoop |
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43 | ! Code annotations made doxygen readable |
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44 | ! |
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45 | ! 1353 2014-04-08 15:21:23Z heinze |
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46 | ! REAL constants provided with KIND-attribute |
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47 | ! |
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48 | ! 1320 2014-03-20 08:40:49Z raasch |
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49 | ! ONLY-attribute added to USE-statements, |
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50 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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51 | ! kinds are defined in new module kinds, |
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52 | ! revision history before 2012 removed, |
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53 | ! comment fields (!:) to be used for variable explanations added to |
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54 | ! all variable declaration statements |
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55 | ! |
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56 | ! 1036 2012-10-22 13:43:42Z raasch |
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57 | ! code put under GPL (PALM 3.9) |
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58 | ! |
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59 | ! Revision 1.1 1997/08/29 08:56:05 raasch |
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60 | ! Initial revision |
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61 | ! |
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62 | ! |
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63 | ! Description: |
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64 | ! ------------ |
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65 | !> Advection term for the v velocity-component using upstream scheme. |
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66 | !> NOTE: vertical advection at k=1 still has wrong grid spacing for w>0! |
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67 | !> The same problem occurs for all topography boundaries! |
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68 | !------------------------------------------------------------------------------! |
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69 | MODULE advec_v_up_mod |
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70 | |
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71 | |
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72 | PRIVATE |
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73 | PUBLIC advec_v_up |
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74 | |
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75 | INTERFACE advec_v_up |
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76 | MODULE PROCEDURE advec_v_up |
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77 | MODULE PROCEDURE advec_v_up_ij |
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78 | END INTERFACE advec_v_up |
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79 | |
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80 | CONTAINS |
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81 | |
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82 | |
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83 | !------------------------------------------------------------------------------! |
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84 | ! Description: |
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85 | ! ------------ |
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86 | !> Call for all grid points |
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87 | !------------------------------------------------------------------------------! |
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88 | SUBROUTINE advec_v_up |
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89 | |
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90 | USE arrays_3d, & |
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91 | ONLY: ddzu, tend, u, v, w |
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92 | |
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93 | USE control_parameters, & |
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94 | ONLY: u_gtrans, v_gtrans |
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95 | |
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96 | USE grid_variables, & |
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97 | ONLY: ddx, ddy |
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98 | |
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99 | USE indices, & |
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100 | ONLY: nxl, nxr, nyn, nysv, nzb, nzt, wall_flags_0 |
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101 | |
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102 | USE kinds |
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103 | |
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104 | |
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105 | IMPLICIT NONE |
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106 | |
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107 | INTEGER(iwp) :: i !< |
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108 | INTEGER(iwp) :: j !< |
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109 | INTEGER(iwp) :: k !< |
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110 | |
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111 | REAL(wp) :: ukomp !< |
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112 | REAL(wp) :: vkomp !< |
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113 | REAL(wp) :: wkomp !< |
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114 | |
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115 | |
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116 | DO i = nxl, nxr |
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117 | DO j = nysv, nyn |
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118 | DO k = nzb+1, nzt |
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119 | ! |
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120 | !-- x-direction |
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121 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j-1,i) + & |
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122 | u(k,j,i+1) + u(k,j-1,i+1) ) - u_gtrans |
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123 | IF ( ukomp > 0.0_wp ) THEN |
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124 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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125 | ( v(k,j,i) - v(k,j,i-1) ) * ddx & |
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126 | * MERGE( 1.0_wp, 0.0_wp, & |
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127 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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128 | ELSE |
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129 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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130 | ( v(k,j,i+1) - v(k,j,i) ) * ddx & |
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131 | * MERGE( 1.0_wp, 0.0_wp, & |
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132 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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133 | ENDIF |
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134 | ! |
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135 | !-- y-direction |
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136 | vkomp = v(k,j,i) - v_gtrans |
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137 | IF ( vkomp > 0.0_wp ) THEN |
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138 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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139 | ( v(k,j,i) - v(k,j-1,i) ) * ddy & |
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140 | * MERGE( 1.0_wp, 0.0_wp, & |
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141 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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142 | ELSE |
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143 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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144 | ( v(k,j+1,i) - v(k,j,i) ) * ddy & |
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145 | * MERGE( 1.0_wp, 0.0_wp, & |
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146 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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147 | ENDIF |
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148 | ! |
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149 | !-- z-direction |
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150 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + & |
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151 | w(k,j-1,i) + w(k-1,j-1,i) ) |
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152 | IF ( wkomp > 0.0_wp ) THEN |
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153 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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154 | ( v(k,j,i) - v(k-1,j,i) ) * ddzu(k) & |
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155 | * MERGE( 1.0_wp, 0.0_wp, & |
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156 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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157 | ELSE |
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158 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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159 | ( v(k+1,j,i) - v(k,j,i) ) * ddzu(k+1) & |
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160 | * MERGE( 1.0_wp, 0.0_wp, & |
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161 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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162 | ENDIF |
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163 | |
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164 | ENDDO |
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165 | ENDDO |
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166 | ENDDO |
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167 | |
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168 | END SUBROUTINE advec_v_up |
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169 | |
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170 | |
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171 | !------------------------------------------------------------------------------! |
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172 | ! Description: |
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173 | ! ------------ |
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174 | !> Call for grid point i,j |
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175 | !------------------------------------------------------------------------------! |
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176 | SUBROUTINE advec_v_up_ij( i, j ) |
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177 | |
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178 | USE arrays_3d, & |
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179 | ONLY: ddzu, tend, u, v, w |
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180 | |
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181 | USE control_parameters, & |
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182 | ONLY: u_gtrans, v_gtrans |
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183 | |
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184 | USE grid_variables, & |
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185 | ONLY: ddx, ddy |
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186 | |
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187 | USE indices, & |
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188 | ONLY: nzb, nzt, wall_flags_0 |
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189 | |
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190 | USE kinds |
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191 | |
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192 | |
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193 | IMPLICIT NONE |
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194 | |
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195 | INTEGER(iwp) :: i !< |
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196 | INTEGER(iwp) :: j !< |
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197 | INTEGER(iwp) :: k !< |
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198 | |
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199 | REAL(wp) :: ukomp !< |
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200 | REAL(wp) :: vkomp !< |
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201 | REAL(wp) :: wkomp !< |
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202 | |
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203 | |
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204 | DO k = nzb+1, nzt |
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205 | ! |
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206 | !-- x-direction |
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207 | ukomp = 0.25_wp * ( u(k,j,i) + u(k,j-1,i) + u(k,j,i+1) + u(k,j-1,i+1) & |
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208 | ) - u_gtrans |
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209 | IF ( ukomp > 0.0_wp ) THEN |
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210 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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211 | ( v(k,j,i) - v(k,j,i-1) ) * ddx & |
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212 | * MERGE( 1.0_wp, 0.0_wp, & |
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213 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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214 | ELSE |
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215 | tend(k,j,i) = tend(k,j,i) - ukomp * & |
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216 | ( v(k,j,i+1) - v(k,j,i) ) * ddx & |
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217 | * MERGE( 1.0_wp, 0.0_wp, & |
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218 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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219 | ENDIF |
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220 | ! |
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221 | !-- y-direction |
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222 | vkomp = v(k,j,i) - v_gtrans |
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223 | IF ( vkomp > 0.0_wp ) THEN |
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224 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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225 | ( v(k,j,i) - v(k,j-1,i) ) * ddy & |
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226 | * MERGE( 1.0_wp, 0.0_wp, & |
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227 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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228 | ELSE |
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229 | tend(k,j,i) = tend(k,j,i) - vkomp * & |
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230 | ( v(k,j+1,i) - v(k,j,i) ) * ddy & |
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231 | * MERGE( 1.0_wp, 0.0_wp, & |
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232 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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233 | ENDIF |
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234 | ! |
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235 | !-- z-direction |
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236 | wkomp = 0.25_wp * ( w(k,j,i) + w(k-1,j,i) + w(k,j-1,i) + w(k-1,j-1,i) ) |
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237 | IF ( wkomp > 0.0_wp ) THEN |
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238 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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239 | ( v(k,j,i) - v(k-1,j,i) ) * ddzu(k) & |
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240 | * MERGE( 1.0_wp, 0.0_wp, & |
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241 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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242 | ELSE |
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243 | tend(k,j,i) = tend(k,j,i) - wkomp * & |
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244 | ( v(k+1,j,i) - v(k,j,i) ) * ddzu(k+1) & |
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245 | * MERGE( 1.0_wp, 0.0_wp, & |
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246 | BTEST( wall_flags_0(k,j,i), 2 ) ) |
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247 | ENDIF |
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248 | |
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249 | ENDDO |
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250 | |
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251 | END SUBROUTINE advec_v_up_ij |
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252 | |
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253 | END MODULE advec_v_up_mod |
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