1 | MODULE geometry |
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2 | USE field_mod |
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3 | |
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4 | TYPE t_geometry |
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5 | TYPE(t_field),POINTER :: xyz_i(:) |
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6 | TYPE(t_field),POINTER :: xyz_e(:) |
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7 | TYPE(t_field),POINTER :: xyz_v(:) |
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8 | TYPE(t_field),POINTER :: Ai(:) |
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9 | TYPE(t_field),POINTER :: Av(:) |
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10 | TYPE(t_field),POINTER :: de(:) |
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11 | TYPE(t_field),POINTER :: le(:) |
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12 | TYPE(t_field),POINTER :: Riv(:) |
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13 | TYPE(t_field),POINTER :: Riv2(:) |
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14 | TYPE(t_field),POINTER :: ne(:) |
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15 | TYPE(t_field),POINTER :: Wee(:) |
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16 | TYPE(t_field),POINTER :: bi(:) |
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17 | TYPE(t_field),POINTER :: fv(:) |
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18 | END TYPE t_geometry |
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19 | |
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20 | TYPE(t_geometry),TARGET :: geom |
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21 | |
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22 | REAL(rstd),POINTER :: Ai(:) |
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23 | REAL(rstd),POINTER :: xyz_i(:,:) |
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24 | REAL(rstd),POINTER :: xyz_e(:,:) |
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25 | REAL(rstd),POINTER :: xyz_v(:,:) |
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26 | REAL(rstd),POINTER :: Av(:) |
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27 | REAL(rstd),POINTER :: de(:) |
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28 | REAL(rstd),POINTER :: le(:) |
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29 | REAL(rstd),POINTER :: Riv(:,:) |
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30 | REAL(rstd),POINTER :: Riv2(:,:) |
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31 | INTEGER,POINTER :: ne(:,:) |
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32 | REAL(rstd),POINTER :: Wee(:,:,:) |
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33 | REAL(rstd),POINTER :: bi(:) |
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34 | REAL(rstd),POINTER :: fv(:) |
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35 | |
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36 | |
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37 | |
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38 | CONTAINS |
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39 | |
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40 | SUBROUTINE allocate_geometry |
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41 | USE field_mod |
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42 | IMPLICIT NONE |
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43 | |
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44 | CALL allocate_field(geom%Ai,field_t,type_real) |
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45 | CALL allocate_field(geom%xyz_i,field_t,type_real,3) |
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46 | CALL allocate_field(geom%xyz_e,field_u,type_real,3) |
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47 | CALL allocate_field(geom%xyz_v,field_z,type_real,3) |
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48 | CALL allocate_field(geom%de,field_u,type_real) |
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49 | CALL allocate_field(geom%le,field_u,type_real) |
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50 | CALL allocate_field(geom%bi,field_t,type_real) |
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51 | CALL allocate_field(geom%Av,field_z,type_real) |
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52 | CALL allocate_field(geom%Riv,field_t,type_real,6) |
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53 | CALL allocate_field(geom%Riv2,field_t,type_real,6) |
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54 | CALL allocate_field(geom%ne,field_t,type_integer,6) |
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55 | CALL allocate_field(geom%Wee,field_u,type_real,5,2) |
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56 | CALL allocate_field(geom%bi,field_t,type_real) |
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57 | CALL allocate_field(geom%fv,field_z,type_real) |
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58 | |
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59 | END SUBROUTINE allocate_geometry |
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60 | |
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61 | |
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62 | SUBROUTINE swap_geometry(ind) |
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63 | USE field_mod |
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64 | IMPLICIT NONE |
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65 | INTEGER,INTENT(IN) :: ind |
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66 | Ai=geom%Ai(ind) |
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67 | xyz_i=geom%xyz_i(ind) |
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68 | xyz_e=geom%xyz_e(ind) |
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69 | xyz_v=geom%xyz_v(ind) |
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70 | de=geom%de(ind) |
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71 | le=geom%le(ind) |
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72 | Av=geom%Av(ind) |
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73 | Riv=geom%Riv(ind) |
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74 | Riv2=geom%Riv2(ind) |
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75 | ne=geom%ne(ind) |
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76 | Wee=geom%Wee(ind) |
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77 | bi=geom%bi(ind) |
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78 | fv=geom%fv(ind) |
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79 | |
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80 | END SUBROUTINE swap_geometry |
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81 | |
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82 | SUBROUTINE set_geometry |
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83 | USE metric |
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84 | USE spherical_geom_mod |
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85 | USE domain_mod |
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86 | USE dimensions |
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87 | IMPLICIT NONE |
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88 | |
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89 | REAL(rstd) :: surf(6) |
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90 | REAL(rstd) :: surf_v(6) |
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91 | INTEGER :: ind,i,j,k,n |
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92 | TYPE(t_domain),POINTER :: d |
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93 | REAL(rstd) :: S |
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94 | REAL(rstd) :: w(6) |
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95 | REAl(rstd) :: lon,lat |
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96 | INTEGER :: ii_glo,jj_glo |
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97 | REAL(rstd) :: S1,S2 |
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98 | |
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99 | DO ind=1,ndomain |
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100 | d=>domain(ind) |
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101 | CALL swap_dimensions(ind) |
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102 | CALL swap_geometry(ind) |
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103 | DO j=jj_begin-1,jj_end+1 |
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104 | DO i=ii_begin-1,ii_end+1 |
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105 | n=(j-1)*iim+i |
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106 | |
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107 | xyz_i(n,:)=d%xyz(:,i,j) |
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108 | xyz_v(n+z_up,:)=d%vertex(:,vup-1,i,j) |
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109 | xyz_v(n+z_down,:)=d%vertex(:,vdown-1,i,j) |
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110 | |
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111 | CALL xyz2lonlat(xyz_v(n+z_up,:),lon,lat) |
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112 | fv(n+z_up)=2*sin(lat)*omega |
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113 | CALL xyz2lonlat(xyz_v(n+z_down,:),lon,lat) |
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114 | fv(n+z_down)=2*sin(lat)*omega |
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115 | |
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116 | bi(n)=0. |
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117 | |
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118 | CALL dist_cart(d%xyz(:,i,j),d%neighbour(:,right-1,i,j),de(n+u_right)) |
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119 | CALL dist_cart(d%xyz(:,i,j),d%neighbour(:,lup-1,i,j),de(n+u_lup)) |
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120 | CALL dist_cart(d%xyz(:,i,j),d%neighbour(:,ldown-1,i,j),de(n+u_ldown)) |
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121 | |
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122 | CALL div_arc_bis(d%xyz(:,i,j),d%neighbour(:,right-1,i,j),0.5,xyz_e(n+u_right,:)) |
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123 | CALL div_arc_bis(d%xyz(:,i,j),d%neighbour(:,lup-1,i,j),0.5,xyz_e(n+u_lup,:)) |
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124 | CALL div_arc_bis(d%xyz(:,i,j),d%neighbour(:,ldown-1,i,j),0.5,xyz_e(n+u_ldown,:)) |
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125 | |
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126 | CALL dist_cart(d%vertex(:,vrdown-1,i,j),d%vertex(:,vrup-1,i,j),le(n+u_right)) |
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127 | CALL dist_cart(d%vertex(:,vup-1,i,j),d%vertex(:,vlup-1,i,j),le(n+u_lup)) |
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128 | CALL dist_cart(d%vertex(:,vldown-1,i,j),d%vertex(:,vdown-1,i,j),le(n+u_ldown)) |
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129 | |
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130 | |
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131 | Ai(n)=0 |
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132 | DO k=0,5 |
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133 | CALL surf_triangle(d%xyz(:,i,j),d%neighbour(:,k,i,j),d%neighbour(:,MOD((k+1+6),6),i,j),surf_v(k+1)) |
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134 | CALL surf_triangle(d%xyz(:,i,j),d%vertex(:,MOD((k-1+6),6),i,j),d%vertex(:,k,i,j),surf(k+1)) |
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135 | ne(n,k+1)=d%ne(k,i,j) |
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136 | Ai(n)=Ai(n)+surf(k+1) |
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137 | ENDDO |
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138 | |
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139 | |
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140 | DO k=0,5 |
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141 | CALL surf_triangle(d%xyz(:,i,j),d%vertex(:,k,i,j),d%neighbour(:,k,i,j),S1) |
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142 | CALL surf_triangle(d%xyz(:,i,j),d%vertex(:,k,i,j),d%neighbour(:,MOD(k+1+6,6),i,j),S2) |
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143 | Riv(n,k+1)=0.5*(S1+S2)/Ai(n) |
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144 | Riv2(n,k+1)=0.5*(S1+S2)/surf_v(k+1) |
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145 | ENDDO |
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146 | |
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147 | DO k=1,6 |
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148 | IF (ABS(surf_v(k))<1e-30) THEN |
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149 | Riv(n,k)=0. |
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150 | ENDIF |
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151 | ENDDO |
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152 | |
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153 | Av(n+z_up)=surf_v(vup)+1e-100 |
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154 | Av(n+z_down)=surf_v(vdown)+1e-100 |
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155 | |
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156 | ENDDO |
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157 | ENDDO |
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158 | |
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159 | DO j=jj_begin,jj_end |
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160 | DO i=ii_begin,ii_end |
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161 | n=(j-1)*iim+i |
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162 | |
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163 | CALL compute_wee(n,right,w) |
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164 | Wee(n+u_right,:,1)=w(1:5) |
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165 | |
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166 | CALL compute_wee(n+t_right,left,w) |
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167 | Wee(n+u_right,:,2)=w(1:5) |
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168 | |
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169 | |
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170 | CALL compute_wee(n,lup,w) |
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171 | Wee(n+u_lup,:,1)=w(1:5) |
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172 | |
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173 | CALL compute_wee(n+t_lup,rdown,w) |
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174 | Wee(n+u_lup,:,2)=w(1:5) |
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175 | |
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176 | |
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177 | CALL compute_wee(n,ldown,w) |
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178 | Wee(n+u_ldown,:,1)=w(1:5) |
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179 | |
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180 | CALL compute_wee(n+t_ldown,rup,w) |
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181 | Wee(n+u_ldown,:,2)=w(1:5) |
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182 | |
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183 | ENDDO |
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184 | ENDDO |
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185 | |
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186 | DO j=jj_begin,jj_end |
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187 | DO i=ii_begin,ii_end |
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188 | n=(j-1)*iim+i |
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189 | ii_glo=d%ii_begin_glo-d%ii_begin+i |
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190 | jj_glo=d%jj_begin_glo-d%jj_begin+j |
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191 | |
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192 | IF (ii_glo==1 .AND. jj_glo==1) THEN |
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193 | le(n+u_ldown)=0 |
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194 | xyz_v(n+z_ldown,:)=xyz_v(n+z_down,:) |
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195 | |
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196 | ENDIF |
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197 | |
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198 | IF (ii_glo==iim_glo .AND. jj_glo==1) THEN |
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199 | le(n+u_right)=0 |
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200 | xyz_v(n+z_rdown,:)=xyz_v(n+z_rup,:) |
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201 | ENDIF |
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202 | |
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203 | IF (ii_glo==iim_glo .AND. jj_glo==jjm_glo) THEN |
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204 | le(n+u_rup)=0 |
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205 | xyz_v(n+z_rup,:)=xyz_v(n+z_up,:) |
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206 | ENDIF |
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207 | |
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208 | IF (ii_glo==1 .AND. jj_glo==jjm_glo) THEN |
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209 | le(n+u_lup)=0 |
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210 | xyz_v(n+z_up,:)=xyz_v(n+z_lup,:) |
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211 | ENDIF |
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212 | |
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213 | ENDDO |
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214 | ENDDO |
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215 | |
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216 | DO j=jj_begin-1,jj_end+1 |
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217 | DO i=ii_begin-1,ii_end+1 |
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218 | n=(j-1)*iim+i |
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219 | xyz_i(n,:)=xyz_i(n,:) * radius |
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220 | xyz_v(n+z_up,:)=xyz_v(n+z_up,:) * radius |
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221 | xyz_v(n+z_down,:)=xyz_v(n+z_down,:) *radius |
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222 | de(n+u_right)=de(n+u_right) * radius |
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223 | de(n+u_lup)=de(n+u_lup)*radius |
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224 | de(n+u_ldown)=de(n+u_ldown)*radius |
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225 | xyz_e(n+u_right,:)=xyz_e(n+u_right,:)*radius |
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226 | xyz_e(n+u_lup,:)=xyz_e(n+u_lup,:)*radius |
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227 | xyz_e(n+u_ldown,:)=xyz_e(n+u_ldown,:)*radius |
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228 | le(n+u_right)=le(n+u_right)*radius |
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229 | le(n+u_lup)=le(n+u_lup)*radius |
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230 | le(n+u_ldown)=le(n+u_ldown)*radius |
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231 | Ai(n)=Ai(n)*radius**2 |
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232 | Av(n+z_up)=Av(n+z_up)*radius**2 |
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233 | Av(n+z_down)=Av(n+z_down)*radius**2 |
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234 | ENDDO |
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235 | ENDDO |
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236 | |
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237 | ENDDO |
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238 | CALL surf_triangle(d%xyz(:,ii_begin,jj_begin),d%xyz(:,ii_begin,jj_end),d%xyz(:,ii_end,jj_begin),S) |
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239 | ! PRINT *,"Surf triangle : ",S*20/(4*Pi) |
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240 | |
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241 | END SUBROUTINE set_geometry |
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242 | |
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243 | SUBROUTINE compute_wee(n,pos,w) |
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244 | IMPLICIT NONE |
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245 | INTEGER,INTENT(IN) :: n |
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246 | INTEGER,INTENT(IN) :: pos |
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247 | REAL(rstd),INTENT(OUT) ::w(6) |
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248 | |
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249 | REAL(rstd) :: ne_(0:5) |
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250 | REAL(rstd) :: Riv_(6) |
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251 | INTEGER :: k |
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252 | |
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253 | |
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254 | DO k=0,5 |
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255 | ne_(k)=ne(n,MOD(pos-1+k+6,6)+1) |
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256 | Riv_(k+1)=Riv(n,MOD(pos-1+k+6,6)+1) |
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257 | ENDDO |
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258 | |
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259 | w(1)=-ne_(0)*ne_(1)*(Riv_(1)-0.5) |
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260 | w(2)=-ne_(2)*(ne_(0)*Riv_(2)-w(1)*ne_(1)) |
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261 | w(3)=-ne_(3)*(ne_(0)*Riv_(3)-w(2)*ne_(2)) |
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262 | w(4)=-ne_(4)*(ne_(0)*Riv_(4)-w(3)*ne_(3)) |
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263 | w(5)=-ne_(5)*(ne_(0)*Riv_(5)-w(4)*ne_(4)) |
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264 | w(6)=ne_(0)*ne_(5)*(Riv_(6)-0.5) |
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265 | |
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266 | ! IF ( ABS(w(5)-w(6))>1e-20) PRINT *, "pb pour wee : w(5)!=w(6)",sum(Riv_(:)) |
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267 | |
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268 | END SUBROUTINE compute_wee |
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269 | |
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270 | |
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271 | |
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272 | SUBROUTINE compute_geometry |
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273 | IMPLICIT NONE |
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274 | CALL allocate_geometry |
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275 | CALL set_geometry |
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276 | |
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277 | END SUBROUTINE compute_geometry |
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278 | |
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279 | END MODULE geometry |
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