1 | MODULE coriolis_mod |
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2 | |
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3 | !--------------------------------------------------------------------------------! |
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4 | ! This file is part of PALM. |
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5 | ! |
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6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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8 | ! either version 3 of the License, or (at your option) any later 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 1997-2012 Leibniz University 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: coriolis.f90 1258 2013-11-08 16:09:09Z heinze $ |
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27 | ! |
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28 | ! 1257 2013-11-08 15:18:40Z raasch |
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29 | ! openacc loop and loop vector clauses removed |
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30 | ! |
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31 | ! 1128 2013-04-12 06:19:32Z raasch |
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32 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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33 | ! j_north |
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34 | ! |
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35 | ! 1036 2012-10-22 13:43:42Z raasch |
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36 | ! code put under GPL (PALM 3.9) |
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37 | ! |
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38 | ! 1015 2012-09-27 09:23:24Z raasch |
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39 | ! accelerator version (*_acc) added |
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40 | ! |
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41 | ! 254 2009-03-05 15:33:42Z heinze |
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42 | ! Output of messages replaced by message handling routine. |
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43 | ! |
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44 | ! 106 2007-08-16 14:30:26Z raasch |
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45 | ! loops for u and v are starting from index nxlu, nysv, respectively (needed |
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46 | ! for non-cyclic boundary conditions) |
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47 | ! |
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48 | ! 75 2007-03-22 09:54:05Z raasch |
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49 | ! uxrp, vynp eliminated |
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50 | ! |
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51 | ! RCS Log replace by Id keyword, revision history cleaned up |
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52 | ! |
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53 | ! Revision 1.12 2006/02/23 10:08:57 raasch |
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54 | ! nzb_2d replaced by nzb_u/v/w_inner |
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55 | ! |
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56 | ! Revision 1.1 1997/08/29 08:57:38 raasch |
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57 | ! Initial revision |
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58 | ! |
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59 | ! |
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60 | ! Description: |
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61 | ! ------------ |
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62 | ! Computation of all Coriolis terms in the equations of motion. |
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63 | !------------------------------------------------------------------------------! |
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64 | |
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65 | PRIVATE |
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66 | PUBLIC coriolis, coriolis_acc |
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67 | |
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68 | INTERFACE coriolis |
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69 | MODULE PROCEDURE coriolis |
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70 | MODULE PROCEDURE coriolis_ij |
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71 | END INTERFACE coriolis |
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72 | |
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73 | INTERFACE coriolis_acc |
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74 | MODULE PROCEDURE coriolis_acc |
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75 | END INTERFACE coriolis_acc |
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76 | |
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77 | CONTAINS |
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78 | |
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79 | |
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80 | !------------------------------------------------------------------------------! |
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81 | ! Call for all grid points |
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82 | !------------------------------------------------------------------------------! |
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83 | SUBROUTINE coriolis( component ) |
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84 | |
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85 | USE arrays_3d |
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86 | USE control_parameters |
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87 | USE indices |
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88 | USE pegrid |
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89 | |
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90 | IMPLICIT NONE |
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91 | |
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92 | INTEGER :: component, i, j, k |
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93 | |
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94 | |
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95 | ! |
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96 | !-- Compute Coriolis terms for the three velocity components |
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97 | SELECT CASE ( component ) |
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98 | |
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99 | ! |
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100 | !-- u-component |
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101 | CASE ( 1 ) |
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102 | DO i = nxlu, nxr |
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103 | DO j = nys, nyn |
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104 | DO k = nzb_u_inner(j,i)+1, nzt |
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105 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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106 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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107 | v(k,j+1,i) ) - vg(k) ) & |
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108 | - fs * ( 0.25 * & |
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109 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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110 | w(k,j,i) ) & |
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111 | ) |
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112 | ENDDO |
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113 | ENDDO |
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114 | ENDDO |
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115 | |
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116 | ! |
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117 | !-- v-component |
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118 | CASE ( 2 ) |
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119 | DO i = nxl, nxr |
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120 | DO j = nysv, nyn |
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121 | DO k = nzb_v_inner(j,i)+1, nzt |
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122 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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123 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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124 | u(k,j,i+1) ) - ug(k) ) |
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125 | ENDDO |
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126 | ENDDO |
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127 | ENDDO |
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128 | |
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129 | ! |
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130 | !-- w-component |
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131 | CASE ( 3 ) |
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132 | DO i = nxl, nxr |
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133 | DO j = nys, nyn |
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134 | DO k = nzb_w_inner(j,i)+1, nzt |
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135 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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136 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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137 | u(k+1,j,i+1) ) |
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138 | ENDDO |
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139 | ENDDO |
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140 | ENDDO |
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141 | |
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142 | CASE DEFAULT |
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143 | |
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144 | WRITE( message_string, * ) ' wrong component: ', component |
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145 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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146 | |
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147 | END SELECT |
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148 | |
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149 | END SUBROUTINE coriolis |
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150 | |
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151 | |
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152 | !------------------------------------------------------------------------------! |
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153 | ! Call for all grid points - accelerator version |
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154 | !------------------------------------------------------------------------------! |
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155 | SUBROUTINE coriolis_acc( component ) |
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156 | |
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157 | USE arrays_3d |
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158 | USE control_parameters |
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159 | USE indices |
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160 | USE pegrid |
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161 | |
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162 | IMPLICIT NONE |
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163 | |
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164 | INTEGER :: component, i, j, k |
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165 | |
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166 | |
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167 | ! |
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168 | !-- Compute Coriolis terms for the three velocity components |
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169 | SELECT CASE ( component ) |
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170 | |
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171 | ! |
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172 | !-- u-component |
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173 | CASE ( 1 ) |
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174 | !$acc kernels present( nzb_u_inner, tend, v, vg, w ) |
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175 | DO i = i_left, i_right |
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176 | DO j = j_south, j_north |
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177 | DO k = 1, nzt |
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178 | IF ( k > nzb_u_inner(j,i) ) THEN |
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179 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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180 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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181 | v(k,j+1,i) ) - vg(k) ) & |
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182 | - fs * ( 0.25 * & |
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183 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) & |
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184 | + w(k,j,i) ) & |
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185 | ) |
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186 | ENDIF |
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187 | ENDDO |
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188 | ENDDO |
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189 | ENDDO |
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190 | !$acc end kernels |
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191 | |
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192 | ! |
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193 | !-- v-component |
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194 | CASE ( 2 ) |
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195 | !$acc kernels present( nzb_v_inner, tend, u, ug ) |
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196 | DO i = i_left, i_right |
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197 | DO j = j_south, j_north |
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198 | DO k = 1, nzt |
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199 | IF ( k > nzb_v_inner(j,i) ) THEN |
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200 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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201 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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202 | u(k,j,i+1) ) - ug(k) ) |
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203 | ENDIF |
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204 | ENDDO |
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205 | ENDDO |
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206 | ENDDO |
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207 | !$acc end kernels |
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208 | |
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209 | ! |
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210 | !-- w-component |
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211 | CASE ( 3 ) |
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212 | !$acc kernels present( nzb_w_inner, tend, u ) |
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213 | DO i = i_left, i_right |
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214 | DO j = j_south, j_north |
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215 | DO k = 1, nzt |
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216 | IF ( k > nzb_w_inner(j,i) ) THEN |
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217 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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218 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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219 | u(k+1,j,i+1) ) |
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220 | ENDIF |
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221 | ENDDO |
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222 | ENDDO |
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223 | ENDDO |
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224 | !$acc end kernels |
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225 | |
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226 | CASE DEFAULT |
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227 | |
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228 | WRITE( message_string, * ) ' wrong component: ', component |
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229 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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230 | |
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231 | END SELECT |
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232 | |
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233 | END SUBROUTINE coriolis_acc |
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234 | |
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235 | |
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236 | !------------------------------------------------------------------------------! |
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237 | ! Call for grid point i,j |
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238 | !------------------------------------------------------------------------------! |
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239 | SUBROUTINE coriolis_ij( i, j, component ) |
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240 | |
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241 | USE arrays_3d |
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242 | USE control_parameters |
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243 | USE indices |
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244 | USE pegrid |
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245 | |
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246 | IMPLICIT NONE |
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247 | |
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248 | INTEGER :: component, i, j, k |
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249 | |
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250 | ! |
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251 | !-- Compute Coriolis terms for the three velocity components |
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252 | SELECT CASE ( component ) |
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253 | |
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254 | ! |
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255 | !-- u-component |
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256 | CASE ( 1 ) |
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257 | DO k = nzb_u_inner(j,i)+1, nzt |
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258 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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259 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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260 | v(k,j+1,i) ) - vg(k) ) & |
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261 | - fs * ( 0.25 * & |
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262 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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263 | w(k,j,i) ) & |
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264 | ) |
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265 | ENDDO |
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266 | |
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267 | ! |
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268 | !-- v-component |
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269 | CASE ( 2 ) |
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270 | DO k = nzb_v_inner(j,i)+1, nzt |
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271 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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272 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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273 | u(k,j,i+1) ) - ug(k) ) |
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274 | ENDDO |
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275 | |
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276 | ! |
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277 | !-- w-component |
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278 | CASE ( 3 ) |
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279 | DO k = nzb_w_inner(j,i)+1, nzt |
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280 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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281 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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282 | u(k+1,j,i+1) ) |
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283 | ENDDO |
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284 | |
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285 | CASE DEFAULT |
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286 | |
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287 | WRITE( message_string, * ) ' wrong component: ', component |
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288 | CALL message( 'coriolis', 'PA0173', 1, 2, 0, 6, 0 ) |
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289 | |
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290 | END SELECT |
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291 | |
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292 | END SUBROUTINE coriolis_ij |
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293 | |
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294 | END MODULE coriolis_mod |
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