1 | MODULE advec_w_pw_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 | ! |
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7 | ! |
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8 | ! Former revisions: |
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9 | ! ----------------- |
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10 | ! $Log: advec_w_pw.f90,v $ |
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11 | ! Revision 1.15 2006/02/23 09:47:01 raasch |
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12 | ! nzb_2d replaced by nzb_w_inner |
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13 | ! |
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14 | ! Revision 1.14 2004/01/30 10:13:07 raasch |
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15 | ! Scalar lower k index nzb replaced by 2d-array nzb_2d |
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16 | ! |
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17 | ! Revision 1.13 2003/03/12 16:19:29 raasch |
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18 | ! Full code replaced in the call for all gridpoints instead of calling the |
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19 | ! _ij version (required by NEC, because otherwise no vectorization) |
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20 | ! |
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21 | ! Revision 1.12 2002/06/11 12:27:33 raasch |
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22 | ! Former subroutine changed to a module which allows to be called for all grid |
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23 | ! points of a single vertical column with index i,j or for all grid points by |
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24 | ! using function overloading. |
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25 | ! |
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26 | ! Revision 1.11 2001/03/29 17:37:10 raasch |
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27 | ! Translation of remaining German identifiers (variables, subroutines, etc.) |
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28 | ! |
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29 | ! Revision 1.10 2001/01/22 05:19:42 raasch |
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30 | ! Module test_variables removed |
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31 | ! |
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32 | ! Revision 1.9 2000/01/20 10:18:31 letzel |
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33 | ! All comments translated into English |
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34 | ! |
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35 | ! Revision 1.8 1998/08/05 06:51:10 raasch |
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36 | ! Alle Gitterpunkte werden gleich behandelt (keine zentralen Differenzenquotien- |
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37 | ! ten mehr bei Vertikaladvektion bei k=1) |
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38 | ! |
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39 | ! Revision 1.1 1997/08/11 06:10:29 raasch |
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40 | ! Initial revision |
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41 | ! |
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42 | ! |
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43 | ! Description: |
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44 | ! ------------ |
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45 | ! Advection term for w velocity-component using Piacsek and Williams. |
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46 | ! Vertical advection at the first grid point above the surface is done with |
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47 | ! normal centred differences, because otherwise no information from the surface |
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48 | ! would be communicated upwards due to w=0 at k=nzb. |
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49 | !------------------------------------------------------------------------------! |
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50 | |
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51 | PRIVATE |
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52 | PUBLIC advec_w_pw |
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53 | |
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54 | INTERFACE advec_w_pw |
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55 | MODULE PROCEDURE advec_w_pw |
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56 | MODULE PROCEDURE advec_w_pw_ij |
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57 | END INTERFACE advec_w_pw |
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58 | |
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59 | CONTAINS |
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60 | |
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61 | |
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62 | !------------------------------------------------------------------------------! |
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63 | ! Call for all grid points |
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64 | !------------------------------------------------------------------------------! |
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65 | SUBROUTINE advec_w_pw |
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66 | |
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67 | USE arrays_3d |
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68 | USE control_parameters |
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69 | USE grid_variables |
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70 | USE indices |
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71 | |
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72 | IMPLICIT NONE |
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73 | |
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74 | INTEGER :: i, j, k |
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75 | REAL :: gu, gv |
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76 | |
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77 | |
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78 | gu = 2.0 * u_gtrans |
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79 | gv = 2.0 * v_gtrans |
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80 | DO i = nxl, nxr |
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81 | DO j = nys, nyn |
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82 | DO k = nzb_w_inner(j,i)+1, nzt |
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83 | tend(k,j,i) = tend(k,j,i) - 0.25 * ( & |
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84 | ( w(k,j,i+1) * ( u(k+1,j,i+1) + u(k,j,i+1) - gu ) & |
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85 | - w(k,j,i-1) * ( u(k+1,j,i) + u(k,j,i) - gu ) ) * ddx & |
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86 | + ( w(k,j+1,i) * ( v(k+1,j+1,i) + v(k,j+1,i) - gv ) & |
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87 | - w(k,j-1,i) * ( v(k+1,j,i) + v(k,j,i) - gv ) ) * ddy & |
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88 | + ( w(k+1,j,i) * ( w(k+1,j,i) + w(k,j,i) ) & |
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89 | - w(k-1,j,i) * ( w(k,j,i) + w(k-1,j,i) ) ) & |
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90 | * ddzu(k+1) & |
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91 | ) |
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92 | ENDDO |
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93 | ENDDO |
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94 | ENDDO |
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95 | |
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96 | END SUBROUTINE advec_w_pw |
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97 | |
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98 | |
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99 | !------------------------------------------------------------------------------! |
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100 | ! Call for grid point i,j |
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101 | !------------------------------------------------------------------------------! |
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102 | SUBROUTINE advec_w_pw_ij( i, j ) |
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103 | |
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104 | USE arrays_3d |
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105 | USE control_parameters |
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106 | USE grid_variables |
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107 | USE indices |
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108 | |
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109 | IMPLICIT NONE |
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110 | |
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111 | INTEGER :: i, j, k |
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112 | REAL :: gu, gv |
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113 | |
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114 | |
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115 | gu = 2.0 * u_gtrans |
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116 | gv = 2.0 * v_gtrans |
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117 | DO k = nzb_w_inner(j,i)+1, nzt |
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118 | tend(k,j,i) = tend(k,j,i) - 0.25 * ( & |
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119 | ( w(k,j,i+1) * ( u(k+1,j,i+1) + u(k,j,i+1) - gu ) & |
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120 | - w(k,j,i-1) * ( u(k+1,j,i) + u(k,j,i) - gu ) ) * ddx & |
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121 | + ( w(k,j+1,i) * ( v(k+1,j+1,i) + v(k,j+1,i) - gv ) & |
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122 | - w(k,j-1,i) * ( v(k+1,j,i) + v(k,j,i) - gv ) ) * ddy & |
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123 | + ( w(k+1,j,i) * ( w(k+1,j,i) + w(k,j,i) ) & |
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124 | - w(k-1,j,i) * ( w(k,j,i) + w(k-1,j,i) ) ) & |
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125 | * ddzu(k+1) & |
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126 | ) |
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127 | ENDDO |
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128 | |
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129 | END SUBROUTINE advec_w_pw_ij |
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130 | |
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131 | END MODULE advec_w_pw_mod |
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