1 | MODULE coriolis_mod |
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2 | |
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3 | !------------------------------------------------------------------------------! |
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4 | ! Actual revisions: |
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5 | ! ----------------- |
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6 | ! uxrp, vynp eliminated |
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7 | ! |
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8 | ! Former revisions: |
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9 | ! ----------------- |
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10 | ! $Id: coriolis.f90 75 2007-03-22 09:54:05Z raasch $ |
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11 | ! RCS Log replace by Id keyword, revision history cleaned up |
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12 | ! |
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13 | ! Revision 1.12 2006/02/23 10:08:57 raasch |
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14 | ! nzb_2d replaced by nzb_u/v/w_inner |
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15 | ! |
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16 | ! Revision 1.1 1997/08/29 08:57:38 raasch |
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17 | ! Initial revision |
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18 | ! |
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19 | ! |
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20 | ! Description: |
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21 | ! ------------ |
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22 | ! Computation of all Coriolis terms in the equations of motion. |
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23 | !------------------------------------------------------------------------------! |
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24 | |
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25 | PRIVATE |
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26 | PUBLIC coriolis |
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27 | |
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28 | INTERFACE coriolis |
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29 | MODULE PROCEDURE coriolis |
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30 | MODULE PROCEDURE coriolis_ij |
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31 | END INTERFACE coriolis |
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32 | |
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33 | CONTAINS |
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34 | |
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35 | |
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36 | !------------------------------------------------------------------------------! |
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37 | ! Call for all grid points |
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38 | !------------------------------------------------------------------------------! |
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39 | SUBROUTINE coriolis( component ) |
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40 | |
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41 | USE arrays_3d |
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42 | USE control_parameters |
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43 | USE indices |
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44 | USE pegrid |
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45 | |
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46 | IMPLICIT NONE |
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47 | |
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48 | INTEGER :: component, i, j, k |
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49 | |
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50 | |
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51 | ! |
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52 | !-- Compute Coriolis terms for the three velocity components |
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53 | SELECT CASE ( component ) |
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54 | |
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55 | ! |
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56 | !-- u-component |
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57 | CASE ( 1 ) |
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58 | DO i = nxl, nxr |
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59 | DO j = nys, nyn |
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60 | DO k = nzb_u_inner(j,i)+1, nzt |
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61 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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62 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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63 | v(k,j+1,i) ) - vg(k) ) & |
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64 | - fs * ( 0.25 * & |
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65 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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66 | w(k,j,i) ) & |
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67 | ) |
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68 | ENDDO |
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69 | ENDDO |
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70 | ENDDO |
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71 | |
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72 | ! |
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73 | !-- v-component |
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74 | CASE ( 2 ) |
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75 | DO i = nxl, nxr |
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76 | DO j = nys, nyn |
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77 | DO k = nzb_v_inner(j,i)+1, nzt |
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78 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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79 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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80 | u(k,j,i+1) ) - ug(k) ) |
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81 | ENDDO |
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82 | ENDDO |
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83 | ENDDO |
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84 | |
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85 | ! |
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86 | !-- w-component |
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87 | CASE ( 3 ) |
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88 | DO i = nxl, nxr |
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89 | DO j = nys, nyn |
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90 | DO k = nzb_w_inner(j,i)+1, nzt |
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91 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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92 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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93 | u(k+1,j,i+1) ) |
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94 | ENDDO |
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95 | ENDDO |
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96 | ENDDO |
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97 | |
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98 | CASE DEFAULT |
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99 | |
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100 | IF ( myid == 0 ) PRINT*,'+++ coriolis: wrong component: ', & |
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101 | component |
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102 | CALL local_stop |
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103 | |
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104 | END SELECT |
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105 | |
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106 | END SUBROUTINE coriolis |
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107 | |
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108 | |
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109 | !------------------------------------------------------------------------------! |
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110 | ! Call for grid point i,j |
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111 | !------------------------------------------------------------------------------! |
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112 | SUBROUTINE coriolis_ij( i, j, component ) |
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113 | |
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114 | USE arrays_3d |
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115 | USE control_parameters |
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116 | USE indices |
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117 | USE pegrid |
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118 | |
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119 | IMPLICIT NONE |
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120 | |
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121 | INTEGER :: component, i, j, k |
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122 | |
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123 | ! |
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124 | !-- Compute Coriolis terms for the three velocity components |
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125 | SELECT CASE ( component ) |
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126 | |
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127 | ! |
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128 | !-- u-component |
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129 | CASE ( 1 ) |
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130 | DO k = nzb_u_inner(j,i)+1, nzt |
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131 | tend(k,j,i) = tend(k,j,i) + f * ( 0.25 * & |
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132 | ( v(k,j,i-1) + v(k,j,i) + v(k,j+1,i-1) + & |
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133 | v(k,j+1,i) ) - vg(k) ) & |
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134 | - fs * ( 0.25 * & |
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135 | ( w(k-1,j,i-1) + w(k-1,j,i) + w(k,j,i-1) + & |
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136 | w(k,j,i) ) & |
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137 | ) |
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138 | ENDDO |
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139 | |
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140 | ! |
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141 | !-- v-component |
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142 | CASE ( 2 ) |
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143 | DO k = nzb_v_inner(j,i)+1, nzt |
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144 | tend(k,j,i) = tend(k,j,i) - f * ( 0.25 * & |
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145 | ( u(k,j-1,i) + u(k,j,i) + u(k,j-1,i+1) + & |
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146 | u(k,j,i+1) ) - ug(k) ) |
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147 | ENDDO |
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148 | |
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149 | ! |
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150 | !-- w-component |
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151 | CASE ( 3 ) |
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152 | DO k = nzb_w_inner(j,i)+1, nzt |
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153 | tend(k,j,i) = tend(k,j,i) + fs * 0.25 * & |
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154 | ( u(k,j,i) + u(k+1,j,i) + u(k,j,i+1) + & |
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155 | u(k+1,j,i+1) ) |
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156 | ENDDO |
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157 | |
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158 | CASE DEFAULT |
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159 | |
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160 | IF ( myid == 0 ) PRINT*,'+++ coriolis: wrong component: ', & |
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161 | component |
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162 | CALL local_stop |
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163 | |
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164 | END SELECT |
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165 | |
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166 | END SUBROUTINE coriolis_ij |
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167 | |
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168 | END MODULE coriolis_mod |
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