1 | ! |
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2 | ! $Id: inigeom.F 1795 2013-07-18 08:20:28Z asima $ |
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3 | ! |
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4 | c |
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5 | c |
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6 | SUBROUTINE inigeom |
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7 | c |
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8 | c Auteur : P. Le Van |
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9 | c |
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10 | c ............ Version du 01/04/2001 ........................ |
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11 | c |
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12 | c Calcul des elongations cuij1,.cuij4 , cvij1,..cvij4 aux memes en- |
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13 | c endroits que les aires aireij1,..aireij4 . |
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14 | |
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15 | c Choix entre f(y) a derivee sinusoid. ou a derivee tangente hyperbol. |
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16 | c |
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17 | c |
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18 | IMPLICIT NONE |
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19 | c |
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20 | #include "dimensions.h" |
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21 | #include "paramet.h" |
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22 | #include "comconst.h" |
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23 | #include "comgeom2.h" |
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24 | #include "serre.h" |
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25 | #include "logic.h" |
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26 | #include "comdissnew.h" |
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27 | |
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28 | c----------------------------------------------------------------------- |
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29 | c .... Variables locales .... |
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30 | c |
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31 | INTEGER i,j,itmax,itmay,iter |
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32 | REAL cvu(iip1,jjp1),cuv(iip1,jjm) |
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33 | REAL ai14,ai23,airez,rlatp,rlatm,xprm,xprp,un4rad2,yprp,yprm |
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34 | REAL eps,x1,xo1,f,df,xdm,y1,yo1,ydm |
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35 | REAL coslatm,coslatp,radclatm,radclatp |
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36 | REAL cuij1(iip1,jjp1),cuij2(iip1,jjp1),cuij3(iip1,jjp1), |
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37 | * cuij4(iip1,jjp1) |
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38 | REAL cvij1(iip1,jjp1),cvij2(iip1,jjp1),cvij3(iip1,jjp1), |
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39 | * cvij4(iip1,jjp1) |
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40 | REAL rlonvv(iip1),rlatuu(jjp1) |
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41 | REAL rlatu1(jjm),yprimu1(jjm),rlatu2(jjm),yprimu2(jjm) , |
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42 | * yprimv(jjm),yprimu(jjp1) |
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43 | REAL gamdi_gdiv, gamdi_grot, gamdi_h |
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44 | |
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45 | REAL rlonm025(iip1),xprimm025(iip1), rlonp025(iip1), |
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46 | , xprimp025(iip1) |
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47 | SAVE rlatu1,yprimu1,rlatu2,yprimu2,yprimv,yprimu |
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48 | SAVE rlonm025,xprimm025,rlonp025,xprimp025 |
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49 | |
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50 | REAL SSUM |
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51 | c |
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52 | c |
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53 | c ------------------------------------------------------------------ |
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54 | c - - |
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55 | c - calcul des coeff. ( cu, cv , 1./cu**2, 1./cv**2 ) - |
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56 | c - - |
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57 | c ------------------------------------------------------------------ |
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58 | c |
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59 | c les coef. ( cu, cv ) permettent de passer des vitesses naturelles |
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60 | c aux vitesses covariantes et contravariantes , ou vice-versa ... |
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61 | c |
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62 | c |
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63 | c on a : u (covariant) = cu * u (naturel) , u(contrav)= u(nat)/cu |
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64 | c v (covariant) = cv * v (naturel) , v(contrav)= v(nat)/cv |
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65 | c |
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66 | c on en tire : u(covariant) = cu * cu * u(contravariant) |
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67 | c v(covariant) = cv * cv * v(contravariant) |
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68 | c |
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69 | c |
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70 | c on a l'application ( x(X) , y(Y) ) avec - im/2 +1 < X < im/2 |
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71 | c = = |
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72 | c et - jm/2 < Y < jm/2 |
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73 | c = = |
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74 | c |
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75 | c ................................................... |
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76 | c ................................................... |
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77 | c . x est la longitude du point en radians . |
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78 | c . y est la latitude du point en radians . |
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79 | c . . |
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80 | c . on a : cu(i,j) = rad * COS(y) * dx/dX . |
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81 | c . cv( j ) = rad * dy/dY . |
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82 | c . aire(i,j) = cu(i,j) * cv(j) . |
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83 | c . . |
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84 | c . y, dx/dX, dy/dY calcules aux points concernes . |
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85 | c . . |
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86 | c ................................................... |
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87 | c ................................................... |
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88 | c |
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89 | c |
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90 | c |
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91 | c , |
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92 | c cv , bien que dependant de j uniquement,sera ici indice aussi en i |
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93 | c pour un adressage plus facile en ij . |
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94 | c |
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95 | c |
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96 | c |
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97 | c ************** aux points u et v , ***************** |
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98 | c xprimu et xprimv sont respectivement les valeurs de dx/dX |
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99 | c yprimu et yprimv . . . . . . . . . . . dy/dY |
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100 | c rlatu et rlatv . . . . . . . . . . .la latitude |
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101 | c cvu et cv . . . . . . . . . . . cv |
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102 | c |
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103 | c ************** aux points u, v, scalaires, et z **************** |
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104 | c cu, cuv, cuscal, cuz sont respectiv. les valeurs de cu |
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105 | c |
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106 | c |
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107 | c |
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108 | c Exemple de distribution de variables sur la grille dans le |
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109 | c domaine de travail ( X,Y ) . |
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110 | c ................................................................ |
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111 | c DX=DY= 1 |
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112 | c |
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113 | c |
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114 | c + represente un point scalaire ( p.exp la pression ) |
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115 | c > represente la composante zonale du vent |
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116 | c V represente la composante meridienne du vent |
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117 | c o represente la vorticite |
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118 | c |
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119 | c ---- , car aux poles , les comp.zonales covariantes sont nulles |
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120 | c |
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121 | c |
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122 | c |
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123 | c i -> |
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124 | c |
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125 | c 1 2 3 4 5 6 7 8 |
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126 | c j |
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127 | c v 1 + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- |
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128 | c |
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129 | c V o V o V o V o V o V o V o V o |
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130 | c |
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131 | c 2 + > + > + > + > + > + > + > + > |
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132 | c |
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133 | c V o V o V o V o V o V o V o V o |
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134 | c |
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135 | c 3 + > + > + > + > + > + > + > + > |
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136 | c |
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137 | c V o V o V o V o V o V o V o V o |
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138 | c |
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139 | c 4 + > + > + > + > + > + > + > + > |
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140 | c |
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141 | c V o V o V o V o V o V o V o V o |
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142 | c |
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143 | c 5 + ---- + ---- + ---- + ---- + ---- + ---- + ---- + -- |
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144 | c |
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145 | c |
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146 | c Ci-dessus, on voit que le nombre de pts.en longitude est egal |
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147 | c a IM = 8 |
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148 | c De meme , le nombre d'intervalles entre les 2 poles est egal |
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149 | c a JM = 4 |
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150 | c |
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151 | c Les points scalaires ( + ) correspondent donc a des valeurs |
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152 | c entieres de i ( 1 a IM ) et de j ( 1 a JM +1 ) . |
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153 | c |
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154 | c Les vents U ( > ) correspondent a des valeurs semi- |
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155 | c entieres de i ( 1+ 0.5 a IM+ 0.5) et entieres de j ( 1 a JM+1) |
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156 | c |
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157 | c Les vents V ( V ) correspondent a des valeurs entieres |
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158 | c de i ( 1 a IM ) et semi-entieres de j ( 1 +0.5 a JM +0.5) |
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159 | c |
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160 | c |
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161 | c |
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162 | WRITE(6,3) |
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163 | 3 FORMAT( // 10x,' .... INIGEOM date du 01/06/98 ..... ', |
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164 | * //5x,' Calcul des elongations cu et cv comme sommes des 4 ' / |
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165 | * 5x,' elong. cuij1, .. 4 , cvij1,.. 4 qui les entourent , aux |
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166 | * '/ 5x,' memes endroits que les aires aireij1,...j4 . ' / ) |
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167 | c |
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168 | c |
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169 | IF( nitergdiv.NE.2 ) THEN |
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170 | gamdi_gdiv = coefdis/ ( REAL(nitergdiv) -2. ) |
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171 | ELSE |
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172 | gamdi_gdiv = 0. |
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173 | ENDIF |
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174 | IF( nitergrot.NE.2 ) THEN |
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175 | gamdi_grot = coefdis/ ( REAL(nitergrot) -2. ) |
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176 | ELSE |
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177 | gamdi_grot = 0. |
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178 | ENDIF |
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179 | IF( niterh.NE.2 ) THEN |
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180 | gamdi_h = coefdis/ ( REAL(niterh) -2. ) |
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181 | ELSE |
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182 | gamdi_h = 0. |
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183 | ENDIF |
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184 | |
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185 | WRITE(6,*) ' gamdi_gd ',gamdi_gdiv,gamdi_grot,gamdi_h,coefdis, |
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186 | * nitergdiv,nitergrot,niterh |
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187 | c |
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188 | pi = 2.* ASIN(1.) |
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189 | c |
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190 | WRITE(6,990) |
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191 | |
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192 | c ---------------------------------------------------------------- |
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193 | c |
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194 | IF( .NOT.fxyhypb ) THEN |
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195 | c |
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196 | c |
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197 | IF( ysinus ) THEN |
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198 | c |
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199 | WRITE(6,*) ' *** Inigeom , Y = Sinus ( Latitude ) *** ' |
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200 | c |
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201 | c .... utilisation de f(x,y ) avec y = sinus de la latitude ..... |
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202 | |
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203 | CALL fxysinus (rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1, |
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204 | , rlatu2,yprimu2, |
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205 | , rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025) |
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206 | |
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207 | ELSE |
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208 | c |
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209 | WRITE(6,*) '*** Inigeom , Y = Latitude , der. sinusoid . ***' |
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210 | |
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211 | c .... utilisation de f(x,y) a tangente sinusoidale , y etant la latit. ... |
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212 | c |
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213 | |
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214 | pxo = clon *pi /180. |
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215 | pyo = 2.* clat* pi /180. |
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216 | c |
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217 | c .... determination de transx ( pour le zoom ) par Newton-Raphson ... |
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218 | c |
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219 | itmax = 10 |
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220 | eps = .1e-7 |
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221 | c |
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222 | xo1 = 0. |
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223 | DO 10 iter = 1, itmax |
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224 | x1 = xo1 |
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225 | f = x1+ alphax *SIN(x1-pxo) |
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226 | df = 1.+ alphax *COS(x1-pxo) |
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227 | x1 = x1 - f/df |
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228 | xdm = ABS( x1- xo1 ) |
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229 | IF( xdm.LE.eps )GO TO 11 |
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230 | xo1 = x1 |
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231 | 10 CONTINUE |
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232 | 11 CONTINUE |
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233 | c |
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234 | transx = xo1 |
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235 | |
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236 | itmay = 10 |
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237 | eps = .1e-7 |
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238 | C |
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239 | yo1 = 0. |
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240 | DO 15 iter = 1,itmay |
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241 | y1 = yo1 |
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242 | f = y1 + alphay* SIN(y1-pyo) |
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243 | df = 1. + alphay* COS(y1-pyo) |
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244 | y1 = y1 -f/df |
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245 | ydm = ABS(y1-yo1) |
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246 | IF(ydm.LE.eps) GO TO 17 |
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247 | yo1 = y1 |
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248 | 15 CONTINUE |
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249 | c |
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250 | 17 CONTINUE |
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251 | transy = yo1 |
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252 | |
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253 | CALL fxy ( rlatu,yprimu,rlatv,yprimv,rlatu1,yprimu1, |
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254 | , rlatu2,yprimu2, |
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255 | , rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025) |
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256 | |
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257 | ENDIF |
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258 | c |
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259 | ELSE |
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260 | c |
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261 | c .... Utilisation de fxyhyper , f(x,y) a derivee tangente hyperbol. |
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262 | c ..................................................................... |
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263 | |
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264 | WRITE(6,*)'*** Inigeom , Y = Latitude , der.tg. hyperbolique ***' |
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265 | |
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266 | CALL fxyhyper( clat, grossismy, dzoomy, tauy , |
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267 | , clon, grossismx, dzoomx, taux , |
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268 | , rlatu,yprimu,rlatv, yprimv,rlatu1, yprimu1,rlatu2,yprimu2 , |
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269 | , rlonu,xprimu,rlonv,xprimv,rlonm025,xprimm025,rlonp025,xprimp025 ) |
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270 | |
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271 | |
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272 | ENDIF |
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273 | c |
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274 | c ------------------------------------------------------------------- |
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275 | |
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276 | c |
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277 | rlatu(1) = ASIN(1.) |
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278 | rlatu(jjp1) = - rlatu(1) |
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279 | c |
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280 | c |
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281 | c .... calcul aux poles .... |
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282 | c |
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283 | yprimu(1) = 0. |
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284 | yprimu(jjp1) = 0. |
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285 | c |
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286 | c |
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287 | un4rad2 = 0.25 * rad * rad |
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288 | c |
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289 | c -------------------------------------------------------------------- |
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290 | c -------------------------------------------------------------------- |
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291 | c - - |
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292 | c - calcul des aires ( aire,aireu,airev, 1./aire, 1./airez ) - |
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293 | c - et de fext , force de coriolis extensive . - |
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294 | c - - |
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295 | c -------------------------------------------------------------------- |
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296 | c -------------------------------------------------------------------- |
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297 | c |
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298 | c |
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299 | c |
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300 | c A 1 point scalaire P (i,j) de la grille, reguliere en (X,Y) , sont |
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301 | c affectees 4 aires entourant P , calculees respectivement aux points |
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302 | c ( i + 1/4, j - 1/4 ) : aireij1 (i,j) |
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303 | c ( i + 1/4, j + 1/4 ) : aireij2 (i,j) |
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304 | c ( i - 1/4, j + 1/4 ) : aireij3 (i,j) |
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305 | c ( i - 1/4, j - 1/4 ) : aireij4 (i,j) |
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306 | c |
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307 | c , |
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308 | c Les cotes de chacun de ces 4 carres etant egaux a 1/2 suivant (X,Y). |
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309 | c Chaque aire centree en 1 point scalaire P(i,j) est egale a la somme |
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310 | c des 4 aires aireij1,aireij2,aireij3,aireij4 qui sont affectees au |
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311 | c point (i,j) . |
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312 | c On definit en outre les coefficients alpha comme etant egaux a |
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313 | c (aireij / aire), c.a.d par exp. alpha1(i,j)=aireij1(i,j)/aire(i,j) |
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314 | c |
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315 | c De meme, toute aire centree en 1 point U est egale a la somme des |
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316 | c 4 aires aireij1,aireij2,aireij3,aireij4 entourant le point U . |
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317 | c Idem pour airev, airez . |
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318 | c |
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319 | c On a ,pour chaque maille : dX = dY = 1 |
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320 | c |
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321 | c |
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322 | c . V |
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323 | c |
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324 | c aireij4 . . aireij1 |
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325 | c |
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326 | c U . . P . U |
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327 | c |
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328 | c aireij3 . . aireij2 |
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329 | c |
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330 | c . V |
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331 | c |
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332 | c |
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333 | c |
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334 | c |
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335 | c |
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336 | c .................................................................... |
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337 | c |
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338 | c Calcul des 4 aires elementaires aireij1,aireij2,aireij3,aireij4 |
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339 | c qui entourent chaque aire(i,j) , ainsi que les 4 elongations elemen |
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340 | c taires cuij et les 4 elongat. cvij qui sont calculees aux memes |
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341 | c endroits que les aireij . |
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342 | c |
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343 | c .................................................................... |
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344 | c |
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345 | c ....... do 35 : boucle sur les jjm + 1 latitudes ..... |
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346 | c |
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347 | c |
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348 | DO 35 j = 1, jjp1 |
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349 | c |
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350 | IF ( j. eq. 1 ) THEN |
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351 | c |
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352 | yprm = yprimu1(j) |
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353 | rlatm = rlatu1(j) |
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354 | c |
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355 | coslatm = COS( rlatm ) |
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356 | radclatm = 0.5* rad * coslatm |
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357 | c |
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358 | DO 30 i = 1, iim |
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359 | xprp = xprimp025( i ) |
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360 | xprm = xprimm025( i ) |
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361 | aireij2( i,1 ) = un4rad2 * coslatm * xprp * yprm |
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362 | aireij3( i,1 ) = un4rad2 * coslatm * xprm * yprm |
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363 | cuij2 ( i,1 ) = radclatm * xprp |
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364 | cuij3 ( i,1 ) = radclatm * xprm |
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365 | cvij2 ( i,1 ) = 0.5* rad * yprm |
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366 | cvij3 ( i,1 ) = cvij2(i,1) |
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367 | 30 CONTINUE |
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368 | c |
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369 | DO i = 1, iim |
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370 | aireij1( i,1 ) = 0. |
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371 | aireij4( i,1 ) = 0. |
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372 | cuij1 ( i,1 ) = 0. |
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373 | cuij4 ( i,1 ) = 0. |
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374 | cvij1 ( i,1 ) = 0. |
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375 | cvij4 ( i,1 ) = 0. |
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376 | ENDDO |
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377 | c |
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378 | END IF |
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379 | c |
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380 | IF ( j. eq. jjp1 ) THEN |
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381 | yprp = yprimu2(j-1) |
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382 | rlatp = rlatu2 (j-1) |
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383 | ccc yprp = fyprim( REAL(j) - 0.25 ) |
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384 | ccc rlatp = fy ( REAL(j) - 0.25 ) |
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385 | c |
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386 | coslatp = COS( rlatp ) |
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387 | radclatp = 0.5* rad * coslatp |
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388 | c |
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389 | DO 31 i = 1,iim |
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390 | xprp = xprimp025( i ) |
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391 | xprm = xprimm025( i ) |
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392 | aireij1( i,jjp1 ) = un4rad2 * coslatp * xprp * yprp |
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393 | aireij4( i,jjp1 ) = un4rad2 * coslatp * xprm * yprp |
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394 | cuij1(i,jjp1) = radclatp * xprp |
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395 | cuij4(i,jjp1) = radclatp * xprm |
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396 | cvij1(i,jjp1) = 0.5 * rad* yprp |
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397 | cvij4(i,jjp1) = cvij1(i,jjp1) |
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398 | 31 CONTINUE |
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399 | c |
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400 | DO i = 1, iim |
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401 | aireij2( i,jjp1 ) = 0. |
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402 | aireij3( i,jjp1 ) = 0. |
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403 | cvij2 ( i,jjp1 ) = 0. |
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404 | cvij3 ( i,jjp1 ) = 0. |
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405 | cuij2 ( i,jjp1 ) = 0. |
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406 | cuij3 ( i,jjp1 ) = 0. |
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407 | ENDDO |
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408 | c |
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409 | END IF |
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410 | c |
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411 | |
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412 | IF ( j .gt. 1 .AND. j .lt. jjp1 ) THEN |
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413 | c |
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414 | rlatp = rlatu2 ( j-1 ) |
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415 | yprp = yprimu2( j-1 ) |
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416 | rlatm = rlatu1 ( j ) |
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417 | yprm = yprimu1( j ) |
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418 | cc rlatp = fy ( REAL(j) - 0.25 ) |
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419 | cc yprp = fyprim( REAL(j) - 0.25 ) |
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420 | cc rlatm = fy ( REAL(j) + 0.25 ) |
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421 | cc yprm = fyprim( REAL(j) + 0.25 ) |
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422 | |
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423 | coslatm = COS( rlatm ) |
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424 | coslatp = COS( rlatp ) |
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425 | radclatp = 0.5* rad * coslatp |
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426 | radclatm = 0.5* rad * coslatm |
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427 | c |
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428 | ai14 = un4rad2 * coslatp * yprp |
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429 | ai23 = un4rad2 * coslatm * yprm |
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430 | DO 32 i = 1,iim |
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431 | xprp = xprimp025( i ) |
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432 | xprm = xprimm025( i ) |
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433 | |
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434 | aireij1 ( i,j ) = ai14 * xprp |
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435 | aireij2 ( i,j ) = ai23 * xprp |
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436 | aireij3 ( i,j ) = ai23 * xprm |
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437 | aireij4 ( i,j ) = ai14 * xprm |
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438 | cuij1 ( i,j ) = radclatp * xprp |
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439 | cuij2 ( i,j ) = radclatm * xprp |
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440 | cuij3 ( i,j ) = radclatm * xprm |
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441 | cuij4 ( i,j ) = radclatp * xprm |
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442 | cvij1 ( i,j ) = 0.5* rad * yprp |
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443 | cvij2 ( i,j ) = 0.5* rad * yprm |
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444 | cvij3 ( i,j ) = cvij2(i,j) |
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445 | cvij4 ( i,j ) = cvij1(i,j) |
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446 | 32 CONTINUE |
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447 | c |
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448 | END IF |
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449 | c |
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450 | c ........ periodicite ............ |
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451 | c |
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452 | cvij1 (iip1,j) = cvij1 (1,j) |
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453 | cvij2 (iip1,j) = cvij2 (1,j) |
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454 | cvij3 (iip1,j) = cvij3 (1,j) |
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455 | cvij4 (iip1,j) = cvij4 (1,j) |
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456 | cuij1 (iip1,j) = cuij1 (1,j) |
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457 | cuij2 (iip1,j) = cuij2 (1,j) |
---|
458 | cuij3 (iip1,j) = cuij3 (1,j) |
---|
459 | cuij4 (iip1,j) = cuij4 (1,j) |
---|
460 | aireij1 (iip1,j) = aireij1 (1,j ) |
---|
461 | aireij2 (iip1,j) = aireij2 (1,j ) |
---|
462 | aireij3 (iip1,j) = aireij3 (1,j ) |
---|
463 | aireij4 (iip1,j) = aireij4 (1,j ) |
---|
464 | |
---|
465 | 35 CONTINUE |
---|
466 | c |
---|
467 | c .............................................................. |
---|
468 | c |
---|
469 | DO 37 j = 1, jjp1 |
---|
470 | DO 36 i = 1, iim |
---|
471 | aire ( i,j ) = aireij1(i,j) + aireij2(i,j) + aireij3(i,j) + |
---|
472 | * aireij4(i,j) |
---|
473 | alpha1 ( i,j ) = aireij1(i,j) / aire(i,j) |
---|
474 | alpha2 ( i,j ) = aireij2(i,j) / aire(i,j) |
---|
475 | alpha3 ( i,j ) = aireij3(i,j) / aire(i,j) |
---|
476 | alpha4 ( i,j ) = aireij4(i,j) / aire(i,j) |
---|
477 | alpha1p2( i,j ) = alpha1 (i,j) + alpha2 (i,j) |
---|
478 | alpha1p4( i,j ) = alpha1 (i,j) + alpha4 (i,j) |
---|
479 | alpha2p3( i,j ) = alpha2 (i,j) + alpha3 (i,j) |
---|
480 | alpha3p4( i,j ) = alpha3 (i,j) + alpha4 (i,j) |
---|
481 | 36 CONTINUE |
---|
482 | c |
---|
483 | c |
---|
484 | aire (iip1,j) = aire (1,j) |
---|
485 | alpha1 (iip1,j) = alpha1 (1,j) |
---|
486 | alpha2 (iip1,j) = alpha2 (1,j) |
---|
487 | alpha3 (iip1,j) = alpha3 (1,j) |
---|
488 | alpha4 (iip1,j) = alpha4 (1,j) |
---|
489 | alpha1p2(iip1,j) = alpha1p2(1,j) |
---|
490 | alpha1p4(iip1,j) = alpha1p4(1,j) |
---|
491 | alpha2p3(iip1,j) = alpha2p3(1,j) |
---|
492 | alpha3p4(iip1,j) = alpha3p4(1,j) |
---|
493 | 37 CONTINUE |
---|
494 | c |
---|
495 | |
---|
496 | DO 42 j = 1,jjp1 |
---|
497 | DO 41 i = 1,iim |
---|
498 | aireu (i,j)= aireij1(i,j) + aireij2(i,j) + aireij4(i+1,j) + |
---|
499 | * aireij3(i+1,j) |
---|
500 | unsaire ( i,j)= 1./ aire(i,j) |
---|
501 | unsair_gam1( i,j)= unsaire(i,j)** ( - gamdi_gdiv ) |
---|
502 | unsair_gam2( i,j)= unsaire(i,j)** ( - gamdi_h ) |
---|
503 | airesurg ( i,j)= aire(i,j)/ g |
---|
504 | 41 CONTINUE |
---|
505 | aireu (iip1,j) = aireu (1,j) |
---|
506 | unsaire (iip1,j) = unsaire(1,j) |
---|
507 | unsair_gam1(iip1,j) = unsair_gam1(1,j) |
---|
508 | unsair_gam2(iip1,j) = unsair_gam2(1,j) |
---|
509 | airesurg (iip1,j) = airesurg(1,j) |
---|
510 | 42 CONTINUE |
---|
511 | c |
---|
512 | c |
---|
513 | DO 48 j = 1,jjm |
---|
514 | c |
---|
515 | DO i=1,iim |
---|
516 | airev (i,j) = aireij2(i,j)+ aireij3(i,j)+ aireij1(i,j+1) + |
---|
517 | * aireij4(i,j+1) |
---|
518 | ENDDO |
---|
519 | DO i=1,iim |
---|
520 | airez = aireij2(i,j)+aireij1(i,j+1)+aireij3(i+1,j) + |
---|
521 | * aireij4(i+1,j+1) |
---|
522 | unsairez(i,j) = 1./ airez |
---|
523 | unsairz_gam(i,j)= unsairez(i,j)** ( - gamdi_grot ) |
---|
524 | fext (i,j) = airez * SIN(rlatv(j))* 2.* omeg |
---|
525 | ENDDO |
---|
526 | airev (iip1,j) = airev(1,j) |
---|
527 | unsairez (iip1,j) = unsairez(1,j) |
---|
528 | fext (iip1,j) = fext(1,j) |
---|
529 | unsairz_gam(iip1,j) = unsairz_gam(1,j) |
---|
530 | c |
---|
531 | 48 CONTINUE |
---|
532 | c |
---|
533 | c |
---|
534 | c ..... Calcul des elongations cu,cv, cvu ......... |
---|
535 | c |
---|
536 | DO j = 1, jjm |
---|
537 | DO i = 1, iim |
---|
538 | cv(i,j) = 0.5 *( cvij2(i,j)+cvij3(i,j)+cvij1(i,j+1)+cvij4(i,j+1)) |
---|
539 | cvu(i,j)= 0.5 *( cvij1(i,j)+cvij4(i,j)+cvij2(i,j) +cvij3(i,j) ) |
---|
540 | cuv(i,j)= 0.5 *( cuij2(i,j)+cuij3(i,j)+cuij1(i,j+1)+cuij4(i,j+1)) |
---|
541 | unscv2(i,j) = 1./ ( cv(i,j)*cv(i,j) ) |
---|
542 | ENDDO |
---|
543 | DO i = 1, iim |
---|
544 | cuvsurcv (i,j) = airev(i,j) * unscv2(i,j) |
---|
545 | cvsurcuv (i,j) = 1./cuvsurcv(i,j) |
---|
546 | cuvscvgam1(i,j) = cuvsurcv (i,j) ** ( - gamdi_gdiv ) |
---|
547 | cuvscvgam2(i,j) = cuvsurcv (i,j) ** ( - gamdi_h ) |
---|
548 | cvscuvgam(i,j) = cvsurcuv (i,j) ** ( - gamdi_grot ) |
---|
549 | ENDDO |
---|
550 | cv (iip1,j) = cv (1,j) |
---|
551 | cvu (iip1,j) = cvu (1,j) |
---|
552 | unscv2 (iip1,j) = unscv2 (1,j) |
---|
553 | cuv (iip1,j) = cuv (1,j) |
---|
554 | cuvsurcv (iip1,j) = cuvsurcv (1,j) |
---|
555 | cvsurcuv (iip1,j) = cvsurcuv (1,j) |
---|
556 | cuvscvgam1(iip1,j) = cuvscvgam1(1,j) |
---|
557 | cuvscvgam2(iip1,j) = cuvscvgam2(1,j) |
---|
558 | cvscuvgam(iip1,j) = cvscuvgam(1,j) |
---|
559 | ENDDO |
---|
560 | |
---|
561 | DO j = 2, jjm |
---|
562 | DO i = 1, iim |
---|
563 | cu(i,j) = 0.5*(cuij1(i,j)+cuij4(i+1,j)+cuij2(i,j)+cuij3(i+1,j)) |
---|
564 | unscu2 (i,j) = 1./ ( cu(i,j) * cu(i,j) ) |
---|
565 | cvusurcu (i,j) = aireu(i,j) * unscu2(i,j) |
---|
566 | cusurcvu (i,j) = 1./ cvusurcu(i,j) |
---|
567 | cvuscugam1 (i,j) = cvusurcu(i,j) ** ( - gamdi_gdiv ) |
---|
568 | cvuscugam2 (i,j) = cvusurcu(i,j) ** ( - gamdi_h ) |
---|
569 | cuscvugam (i,j) = cusurcvu(i,j) ** ( - gamdi_grot ) |
---|
570 | ENDDO |
---|
571 | cu (iip1,j) = cu(1,j) |
---|
572 | unscu2 (iip1,j) = unscu2(1,j) |
---|
573 | cvusurcu (iip1,j) = cvusurcu(1,j) |
---|
574 | cusurcvu (iip1,j) = cusurcvu(1,j) |
---|
575 | cvuscugam1(iip1,j) = cvuscugam1(1,j) |
---|
576 | cvuscugam2(iip1,j) = cvuscugam2(1,j) |
---|
577 | cuscvugam (iip1,j) = cuscvugam(1,j) |
---|
578 | ENDDO |
---|
579 | |
---|
580 | c |
---|
581 | c .... calcul aux poles .... |
---|
582 | c |
---|
583 | DO i = 1, iip1 |
---|
584 | cu ( i, 1 ) = 0. |
---|
585 | unscu2( i, 1 ) = 0. |
---|
586 | cvu ( i, 1 ) = 0. |
---|
587 | c |
---|
588 | cu (i, jjp1) = 0. |
---|
589 | unscu2(i, jjp1) = 0. |
---|
590 | cvu (i, jjp1) = 0. |
---|
591 | ENDDO |
---|
592 | c |
---|
593 | c .............................................................. |
---|
594 | c |
---|
595 | DO j = 1, jjm |
---|
596 | DO i= 1, iim |
---|
597 | airvscu2 (i,j) = airev(i,j)/ ( cuv(i,j) * cuv(i,j) ) |
---|
598 | aivscu2gam(i,j) = airvscu2(i,j)** ( - gamdi_grot ) |
---|
599 | ENDDO |
---|
600 | airvscu2 (iip1,j) = airvscu2(1,j) |
---|
601 | aivscu2gam(iip1,j) = aivscu2gam(1,j) |
---|
602 | ENDDO |
---|
603 | |
---|
604 | DO j=2,jjm |
---|
605 | DO i=1,iim |
---|
606 | airuscv2 (i,j) = aireu(i,j)/ ( cvu(i,j) * cvu(i,j) ) |
---|
607 | aiuscv2gam (i,j) = airuscv2(i,j)** ( - gamdi_grot ) |
---|
608 | ENDDO |
---|
609 | airuscv2 (iip1,j) = airuscv2 (1,j) |
---|
610 | aiuscv2gam(iip1,j) = aiuscv2gam(1,j) |
---|
611 | ENDDO |
---|
612 | |
---|
613 | c |
---|
614 | c calcul des aires aux poles : |
---|
615 | c ----------------------------- |
---|
616 | c |
---|
617 | apoln = SSUM(iim,aire(1,1),1) |
---|
618 | apols = SSUM(iim,aire(1,jjp1),1) |
---|
619 | unsapolnga1 = 1./ ( apoln ** ( - gamdi_gdiv ) ) |
---|
620 | unsapolsga1 = 1./ ( apols ** ( - gamdi_gdiv ) ) |
---|
621 | unsapolnga2 = 1./ ( apoln ** ( - gamdi_h ) ) |
---|
622 | unsapolsga2 = 1./ ( apols ** ( - gamdi_h ) ) |
---|
623 | c |
---|
624 | c----------------------------------------------------------------------- |
---|
625 | c gtitre='Coriolis version ancienne' |
---|
626 | c gfichier='fext1' |
---|
627 | c CALL writestd(fext,iip1*jjm) |
---|
628 | c |
---|
629 | c changement F. Hourdin calcul conservatif pour fext |
---|
630 | c constang contient le produit a * cos ( latitude ) * omega |
---|
631 | c |
---|
632 | DO i=1,iim |
---|
633 | constang(i,1) = 0. |
---|
634 | ENDDO |
---|
635 | DO j=1,jjm-1 |
---|
636 | DO i=1,iim |
---|
637 | constang(i,j+1) = rad*omeg*cu(i,j+1)*COS(rlatu(j+1)) |
---|
638 | ENDDO |
---|
639 | ENDDO |
---|
640 | DO i=1,iim |
---|
641 | constang(i,jjp1) = 0. |
---|
642 | ENDDO |
---|
643 | c |
---|
644 | c periodicite en longitude |
---|
645 | c |
---|
646 | DO j=1,jjm |
---|
647 | fext(iip1,j) = fext(1,j) |
---|
648 | ENDDO |
---|
649 | DO j=1,jjp1 |
---|
650 | constang(iip1,j) = constang(1,j) |
---|
651 | ENDDO |
---|
652 | |
---|
653 | c fin du changement |
---|
654 | |
---|
655 | c |
---|
656 | c----------------------------------------------------------------------- |
---|
657 | c |
---|
658 | WRITE(6,*) ' *** Coordonnees de la grille *** ' |
---|
659 | WRITE(6,995) |
---|
660 | c |
---|
661 | WRITE(6,*) ' LONGITUDES aux pts. V ( degres ) ' |
---|
662 | WRITE(6,995) |
---|
663 | DO i=1,iip1 |
---|
664 | rlonvv(i) = rlonv(i)*180./pi |
---|
665 | ENDDO |
---|
666 | WRITE(6,400) rlonvv |
---|
667 | c |
---|
668 | WRITE(6,995) |
---|
669 | WRITE(6,*) ' LATITUDES aux pts. V ( degres ) ' |
---|
670 | WRITE(6,995) |
---|
671 | DO i=1,jjm |
---|
672 | rlatuu(i)=rlatv(i)*180./pi |
---|
673 | ENDDO |
---|
674 | WRITE(6,400) (rlatuu(i),i=1,jjm) |
---|
675 | c |
---|
676 | DO i=1,iip1 |
---|
677 | rlonvv(i)=rlonu(i)*180./pi |
---|
678 | ENDDO |
---|
679 | WRITE(6,995) |
---|
680 | WRITE(6,*) ' LONGITUDES aux pts. U ( degres ) ' |
---|
681 | WRITE(6,995) |
---|
682 | WRITE(6,400) rlonvv |
---|
683 | WRITE(6,995) |
---|
684 | |
---|
685 | WRITE(6,*) ' LATITUDES aux pts. U ( degres ) ' |
---|
686 | WRITE(6,995) |
---|
687 | DO i=1,jjp1 |
---|
688 | rlatuu(i)=rlatu(i)*180./pi |
---|
689 | ENDDO |
---|
690 | WRITE(6,400) (rlatuu(i),i=1,jjp1) |
---|
691 | WRITE(6,995) |
---|
692 | c |
---|
693 | 444 format(f10.3,f6.0) |
---|
694 | 400 FORMAT(1x,8f8.2) |
---|
695 | 990 FORMAT(//) |
---|
696 | 995 FORMAT(/) |
---|
697 | c |
---|
698 | RETURN |
---|
699 | END |
---|