1 | MODULE dissip_mod |
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2 | USE genmod |
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3 | USE field_mod |
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4 | USE transfert_mod |
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5 | |
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6 | TYPE(t_field),POINTER,SAVE :: f_gradrot(:) |
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7 | TYPE(t_request),POINTER :: req_dissip(:) |
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8 | |
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9 | INTEGER,PARAMETER :: nitergdiv=1 |
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10 | INTEGER,PARAMETER :: nitergrot=1 |
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11 | |
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12 | REAL :: tetagdiv |
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13 | REAL :: tetagrot |
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14 | |
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15 | REAL :: cdivu |
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16 | REAL :: crot |
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17 | INTEGER :: idissip |
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18 | REAL :: dtdissip |
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19 | |
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20 | CONTAINS |
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21 | |
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22 | SUBROUTINE allocate_dissip |
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23 | IMPLICIT NONE |
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24 | CALL allocate_field(f_gradrot,field_u,type_real) |
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25 | END SUBROUTINE allocate_dissip |
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26 | |
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27 | SUBROUTINE init_dissip(dt) |
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28 | USE domain_mod |
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29 | USE dimensions |
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30 | USE geometry |
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31 | USE metric |
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32 | USE ioipsl |
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33 | |
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34 | IMPLICIT NONE |
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35 | REAL,INTENT(IN) :: dt |
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36 | |
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37 | TYPE(t_field),POINTER :: f_u(:) |
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38 | TYPE(t_field),POINTER :: f_du(:) |
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39 | REAL(rstd),POINTER :: u(:) |
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40 | REAL(rstd),POINTER :: du(:) |
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41 | REAL(rstd) :: dumax,dumaxmax,dumaxm1 |
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42 | REAL(rstd) :: r |
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43 | INTEGER :: i,j,n,ind,it |
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44 | |
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45 | tetagdiv=5000 |
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46 | CALL getin("tetagdiv",tetagdiv) |
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47 | tetagrot=5000 |
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48 | CALL getin("tetagrot",tetagrot) |
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49 | |
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50 | CALL allocate_dissip |
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51 | |
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52 | CALL allocate_field(f_u,field_u,type_real) |
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53 | CALL allocate_field(f_du,field_u,type_real) |
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54 | CALL create_request(field_u,req_dissip) |
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55 | |
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56 | DO ind=1,ndomain |
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57 | DO i=ii_begin,ii_end |
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58 | CALL request_add_point(ind,i,jj_begin-1,req_dissip,rup) |
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59 | CALL request_add_point(ind,i+1,jj_begin-1,req_dissip,lup) |
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60 | ENDDO |
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61 | |
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62 | DO j=jj_begin,jj_end |
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63 | CALL request_add_point(ind,ii_end+1,j,req_dissip,left) |
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64 | CALL request_add_point(ind,ii_end+1,j-1,req_dissip,lup) |
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65 | ENDDO |
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66 | |
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67 | DO i=ii_begin,ii_end |
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68 | CALL request_add_point(ind,i,jj_end+1,req_dissip,ldown) |
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69 | CALL request_add_point(ind,i-1,jj_end+1,req_dissip,rdown) |
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70 | ENDDO |
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71 | |
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72 | DO j=jj_begin,jj_end |
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73 | CALL request_add_point(ind,ii_begin-1,j,req_dissip,right) |
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74 | CALL request_add_point(ind,ii_begin-1,j+1,req_dissip,rdown) |
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75 | ENDDO |
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76 | |
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77 | DO i=ii_begin+1,ii_end-1 |
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78 | CALL request_add_point(ind,i,jj_begin,req_dissip,right) |
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79 | CALL request_add_point(ind,i,jj_end,req_dissip,right) |
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80 | ENDDO |
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81 | |
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82 | DO j=jj_begin+1,jj_end-1 |
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83 | CALL request_add_point(ind,ii_begin,j,req_dissip,rup) |
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84 | CALL request_add_point(ind,ii_end,j,req_dissip,rup) |
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85 | ENDDO |
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86 | |
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87 | CALL request_add_point(ind,ii_begin+1,jj_begin,req_dissip,left) |
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88 | CALL request_add_point(ind,ii_begin,jj_begin+1,req_dissip,ldown) |
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89 | CALL request_add_point(ind,ii_begin+1,jj_end,req_dissip,left) |
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90 | CALL request_add_point(ind,ii_end,jj_begin+1,req_dissip,ldown) |
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91 | |
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92 | ENDDO |
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93 | |
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94 | |
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95 | cdivu=-1 |
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96 | crot=-1 |
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97 | |
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98 | CALL RANDOM_SEED() |
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99 | |
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100 | DO ind=1,ndomain |
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101 | CALL swap_dimensions(ind) |
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102 | CALL swap_geometry(ind) |
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103 | u=f_u(ind) |
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104 | |
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105 | DO j=jj_begin,jj_end |
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106 | DO i=ii_begin,ii_end |
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107 | n=(j-1)*iim+i |
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108 | CALL RANDOM_NUMBER(r) |
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109 | u(n+u_right)=r-0.5 |
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110 | CALL RANDOM_NUMBER(r) |
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111 | u(n+u_lup)=r-0.5 |
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112 | CALL RANDOM_NUMBER(r) |
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113 | u(n+u_ldown)=r-0.5 |
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114 | ENDDO |
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115 | ENDDO |
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116 | |
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117 | ENDDO |
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118 | |
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119 | |
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120 | CALL transfert_request(f_u,req_dissip) |
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121 | CALL transfert_request(f_u,req_dissip) |
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122 | |
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123 | DO it=1,500 |
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124 | |
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125 | dumaxm1=dumax |
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126 | dumax=0 |
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127 | DO ind=1,ndomain |
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128 | CALL swap_dimensions(ind) |
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129 | CALL swap_geometry(ind) |
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130 | u=f_u(ind) |
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131 | du=f_du(ind) |
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132 | CALL gradiv(u,du) |
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133 | ENDDO |
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134 | CALL transfert_request(f_du,req_dissip) |
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135 | CALL transfert_request(f_du,req_dissip) |
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136 | |
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137 | DO ind=1,ndomain |
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138 | CALL swap_dimensions(ind) |
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139 | CALL swap_geometry(ind) |
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140 | du=f_du(ind) |
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141 | |
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142 | DO j=jj_begin,jj_end |
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143 | DO i=ii_begin,ii_end |
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144 | n=(j-1)*iim+i |
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145 | if (le(n+u_right)>1e-100) dumax=MAX(dumax,ABS(du(n+u_right))) |
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146 | if (le(n+u_lup)>1e-100) dumax=MAX(dumax,ABS(du(n+u_lup))) |
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147 | if (le(n+u_ldown)>1e-100) dumax=MAX(dumax,ABS(du(n+u_ldown))) |
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148 | ENDDO |
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149 | ENDDO |
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150 | ENDDO |
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151 | u=du/dumax |
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152 | PRINT *,"gradiv : it :",it ,": dumax",(dumax+dumaxm1)/2 |
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153 | |
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154 | ENDDO |
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155 | PRINT *,"gradiv : dumax",(dumax+dumaxm1)/2 |
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156 | |
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157 | cdivu=dumax**(-1./nitergdiv) |
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158 | PRINT *,"cdivu : ",cdivu |
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159 | |
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160 | DO ind=1,ndomain |
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161 | CALL swap_dimensions(ind) |
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162 | CALL swap_geometry(ind) |
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163 | u=f_u(ind) |
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164 | |
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165 | DO j=jj_begin,jj_end |
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166 | DO i=ii_begin,ii_end |
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167 | n=(j-1)*iim+i |
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168 | CALL RANDOM_NUMBER(r) |
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169 | u(n+u_right)=r-0.5 |
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170 | CALL RANDOM_NUMBER(r) |
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171 | u(n+u_lup)=r-0.5 |
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172 | CALL RANDOM_NUMBER(r) |
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173 | u(n+u_ldown)=r-0.5 |
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174 | ENDDO |
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175 | ENDDO |
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176 | |
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177 | ENDDO |
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178 | |
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179 | CALL transfert_request(f_u,req_dissip) |
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180 | CALL transfert_request(f_u,req_dissip) |
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181 | |
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182 | DO it=1,500 |
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183 | |
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184 | dumaxm1=dumax |
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185 | dumax=0 |
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186 | |
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187 | DO ind=1,ndomain |
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188 | u=f_u(ind) |
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189 | du=f_du(ind) |
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190 | CALL gradrot(u,du) |
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191 | ENDDO |
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192 | |
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193 | CALL transfert_request(f_du,req_dissip) |
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194 | CALL transfert_request(f_du,req_dissip) |
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195 | |
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196 | DO ind=1,ndomain |
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197 | CALL swap_dimensions(ind) |
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198 | CALL swap_geometry(ind) |
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199 | du=f_du(ind) |
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200 | |
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201 | DO j=jj_begin,jj_end |
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202 | DO i=ii_begin,ii_end |
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203 | n=(j-1)*iim+i |
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204 | if (le(n+u_right)>1e-100) dumax=MAX(dumax,ABS(du(n+u_right))) |
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205 | if (le(n+u_lup)>1e-100) dumax=MAX(dumax,ABS(du(n+u_lup))) |
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206 | if (le(n+u_ldown)>1e-100) dumax=MAX(dumax,ABS(du(n+u_ldown))) |
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207 | ENDDO |
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208 | ENDDO |
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209 | ENDDO |
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210 | u=du/dumax |
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211 | PRINT *,"gradrot : it :",it ,": dumax",(dumax+dumaxm1)/2 |
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212 | |
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213 | ENDDO |
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214 | PRINT *,"gradrot : dumax",(dumax+dumaxm1)/2 |
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215 | |
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216 | crot=dumax**(-1/nitergrot) |
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217 | PRINT *,"crot : ",crot |
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218 | |
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219 | idissip=INT(MIN(tetagdiv,tetagrot)/(2.*dt)) |
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220 | idissip=MAX(1,idissip) |
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221 | dtdissip=idissip*dt |
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222 | PRINT *,"idissip",idissip," dtdissip ",dtdissip |
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223 | |
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224 | END SUBROUTINE init_dissip |
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225 | |
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226 | |
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227 | SUBROUTINE dissip(f_ue,f_due) |
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228 | USE domain_mod |
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229 | USE dimensions |
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230 | USE geometry |
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231 | USE metric |
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232 | IMPLICIT NONE |
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233 | TYPE(t_field),POINTER :: f_ue(:) |
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234 | TYPE(t_field),POINTER :: f_due(:) |
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235 | REAL(rstd),POINTER :: ue(:) |
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236 | REAL(rstd),POINTER :: due(:) |
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237 | REAL(rstd),POINTER :: gradrot_e(:) |
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238 | INTEGER :: ind |
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239 | REAL :: v |
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240 | |
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241 | CALL transfert_request(f_ue,req_dissip) |
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242 | CALL transfert_request(f_ue,req_dissip) |
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243 | |
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244 | DO ind=1,ndomain |
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245 | CALL swap_dimensions(ind) |
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246 | CALL swap_geometry(ind) |
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247 | ue=f_ue(ind) |
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248 | due=f_due(ind) |
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249 | gradrot_e=f_gradrot(ind) |
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250 | CALL gradiv(ue,due) |
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251 | due=due*dtdissip/tetagdiv |
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252 | CALL gradrot(ue,gradrot_e) |
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253 | due=due+gradrot_e*dtdissip/tetagrot |
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254 | ENDDO |
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255 | |
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256 | END SUBROUTINE dissip |
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257 | |
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258 | SUBROUTINE gradiv(ue,gradivu_e) |
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259 | USE domain_mod |
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260 | USE dimensions |
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261 | USE geometry |
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262 | USE metric |
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263 | IMPLICIT NONE |
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264 | REAL(rstd),INTENT(IN) :: ue(iim*3*jjm) |
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265 | REAL(rstd),INTENT(OUT) :: gradivu_e(iim*3*jjm) |
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266 | REAL(rstd) :: divu_i(iim*jjm) |
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267 | |
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268 | INTEGER :: i,j,n |
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269 | |
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270 | DO j=jj_begin,jj_end |
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271 | DO i=ii_begin,ii_end |
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272 | n=(j-1)*iim+i |
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273 | divu_i(n)=-1./Ai(n)*(ne(n,right)*ue(n+u_right)*le(n+u_right) + & |
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274 | ne(n,rup)*ue(n+u_rup)*le(n+u_rup) + & |
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275 | ne(n,lup)*ue(n+u_lup)*le(n+u_lup) + & |
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276 | ne(n,left)*ue(n+u_left)*le(n+u_left) + & |
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277 | ne(n,ldown)*ue(n+u_ldown)*le(n+u_ldown) + & |
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278 | ne(n,rdown)*ue(n+u_rdown)*le(n+u_rdown)) |
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279 | ENDDO |
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280 | ENDDO |
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281 | |
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282 | DO j=jj_begin,jj_end |
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283 | DO i=ii_begin,ii_end |
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284 | |
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285 | n=(j-1)*iim+i |
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286 | |
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287 | gradivu_e(n+u_right)=1/de(n+u_right)*(ne(n,right)*divu_i(n)+ ne(n+t_right,left)*divu_i(n+t_right) ) |
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288 | |
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289 | gradivu_e(n+u_lup)=1/de(n+u_lup)*(ne(n,lup)*divu_i(n)+ ne(n+t_lup,rdown)*divu_i(n+t_lup )) |
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290 | |
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291 | gradivu_e(n+u_ldown)=1/de(n+u_ldown)*(ne(n,ldown)*divu_i(n)+ne(n+t_ldown,rup)*divu_i(n+t_ldown) ) |
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292 | |
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293 | ENDDO |
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294 | ENDDO |
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295 | |
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296 | DO j=jj_begin,jj_end |
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297 | DO i=ii_begin,ii_end |
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298 | n=(j-1)*iim+i |
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299 | gradivu_e(n+u_right)=-gradivu_e(n+u_right)*cdivu |
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300 | gradivu_e(n+u_lup)=-gradivu_e(n+u_lup)*cdivu |
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301 | gradivu_e(n+u_ldown)=-gradivu_e(n+u_ldown)*cdivu |
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302 | ENDDO |
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303 | ENDDO |
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304 | |
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305 | |
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306 | |
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307 | END SUBROUTINE gradiv |
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308 | |
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309 | |
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310 | SUBROUTINE gradrot(ue,gradrot_e) |
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311 | USE domain_mod |
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312 | USE dimensions |
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313 | USE geometry |
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314 | USE metric |
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315 | IMPLICIT NONE |
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316 | REAL(rstd),INTENT(IN) :: ue(iim*3*jjm) |
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317 | REAL(rstd),INTENT(OUT) :: gradrot_e(iim*3*jjm) |
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318 | REAL(rstd) :: rot_v(2*iim*jjm) |
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319 | |
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320 | INTEGER :: i,j,n |
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321 | |
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322 | DO j=jj_begin-1,jj_end+1 |
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323 | DO i=ii_begin-1,ii_end+1 |
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324 | n=(j-1)*iim+i |
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325 | |
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326 | rot_v(n+z_up)= 1./Av(n+z_up)*( ne(n,rup)*ue(n+u_rup)*de(n+u_rup) & |
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327 | + ne(n+t_rup,left)*ue(n+t_rup+u_left)*de(n+t_rup+u_left) & |
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328 | - ne(n,lup)*ue(n+u_lup)*de(n+u_lup) ) |
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329 | |
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330 | rot_v(n+z_down) = 1./Av(n+z_down)*( ne(n,ldown)*ue(n+u_ldown)*de(n+u_ldown) & |
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331 | + ne(n+t_ldown,right)*ue(n+t_ldown+u_right)*de(n+t_ldown+u_right) & |
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332 | - ne(n,rdown)*ue(n+u_rdown)*de(n+u_rdown) ) |
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333 | |
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334 | ENDDO |
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335 | ENDDO |
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336 | |
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337 | |
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338 | DO j=jj_begin,jj_end |
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339 | DO i=ii_begin,ii_end |
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340 | n=(j-1)*iim+i |
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341 | |
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342 | gradrot_e(n+u_right)=1/le(n+u_right)*ne(n,right)*(rot_v(n+z_rdown)-rot_v(n+z_rup)) |
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343 | |
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344 | gradrot_e(n+u_lup)=1/le(n+u_lup)*ne(n,lup)*(rot_v(n+z_up)-rot_v(n+z_lup)) |
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345 | |
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346 | gradrot_e(n+u_ldown)=1/le(n+u_ldown)*ne(n,ldown)*(rot_v(n+z_ldown)-rot_v(n+z_down)) |
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347 | |
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348 | ENDDO |
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349 | ENDDO |
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350 | |
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351 | DO j=jj_begin,jj_end |
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352 | DO i=ii_begin,ii_end |
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353 | n=(j-1)*iim+i |
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354 | |
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355 | gradrot_e(n+u_right)=-gradrot_e(n+u_right)*crot |
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356 | gradrot_e(n+u_lup)=-gradrot_e(n+u_lup)*crot |
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357 | gradrot_e(n+u_ldown)=-gradrot_e(n+u_ldown)*crot |
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358 | |
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359 | ENDDO |
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360 | ENDDO |
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361 | END SUBROUTINE |
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362 | |
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363 | |
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364 | END MODULE dissip_mod |
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365 | |
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