1 | ! |
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2 | ! $Id: caldyn.F 1999 2014-03-20 09:57:19Z idelkadi $ |
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3 | ! |
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4 | SUBROUTINE caldyn |
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5 | $ (itau,ucov,vcov,teta,ps,masse,pk,pkf,phis , |
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6 | $ phi,conser,du,dv,dteta,dp,w,pbaru,pbarv,time ) |
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7 | |
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8 | IMPLICIT NONE |
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9 | |
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10 | !======================================================================= |
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11 | ! |
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12 | ! Auteur : P. Le Van |
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13 | ! |
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14 | ! Objet: |
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15 | ! ------ |
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16 | ! |
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17 | ! Calcul des tendances dynamiques. |
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18 | ! |
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19 | ! Modif 04/93 F.Forget |
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20 | !======================================================================= |
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21 | |
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22 | !----------------------------------------------------------------------- |
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23 | ! 0. Declarations: |
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24 | ! ---------------- |
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25 | |
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26 | #include "dimensions.h" |
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27 | #include "paramet.h" |
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28 | #include "comconst.h" |
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29 | #include "comvert.h" |
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30 | #include "comgeom.h" |
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31 | |
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32 | ! Arguments: |
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33 | ! ---------- |
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34 | |
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35 | LOGICAL,INTENT(IN) :: conser ! triggers printing some diagnostics |
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36 | INTEGER,INTENT(IN) :: itau ! time step index |
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37 | REAL,INTENT(IN) :: vcov(ip1jm,llm) ! covariant meridional wind |
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38 | REAL,INTENT(IN) :: ucov(ip1jmp1,llm) ! covariant zonal wind |
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39 | REAL,INTENT(IN) :: teta(ip1jmp1,llm) ! potential temperature |
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40 | REAL,INTENT(IN) :: ps(ip1jmp1) ! surface pressure |
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41 | REAL,INTENT(IN) :: phis(ip1jmp1) ! geopotential at the surface |
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42 | REAL,INTENT(IN) :: pk(ip1jmp1,llm) ! Exner at mid-layer |
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43 | REAL,INTENT(IN) :: pkf(ip1jmp1,llm) ! filtered Exner |
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44 | REAL,INTENT(IN) :: phi(ip1jmp1,llm) ! geopotential |
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45 | REAL,INTENT(OUT) :: masse(ip1jmp1,llm) ! air mass |
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46 | REAL,INTENT(OUT) :: dv(ip1jm,llm) ! tendency on vcov |
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47 | REAL,INTENT(OUT) :: du(ip1jmp1,llm) ! tendency on ucov |
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48 | REAL,INTENT(OUT) :: dteta(ip1jmp1,llm) ! tenddency on teta |
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49 | REAL,INTENT(OUT) :: dp(ip1jmp1) ! tendency on ps |
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50 | REAL,INTENT(OUT) :: w(ip1jmp1,llm) ! vertical velocity |
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51 | REAL,INTENT(OUT) :: pbaru(ip1jmp1,llm) ! mass flux in the zonal direction |
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52 | REAL,INTENT(OUT) :: pbarv(ip1jm,llm) ! mass flux in the meridional direction |
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53 | REAL,INTENT(IN) :: time ! current time |
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54 | |
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55 | ! Local: |
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56 | ! ------ |
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57 | |
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58 | REAL vcont(ip1jm,llm),ucont(ip1jmp1,llm) |
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59 | REAL ang(ip1jmp1,llm),p(ip1jmp1,llmp1) |
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60 | REAL massebx(ip1jmp1,llm),masseby(ip1jm,llm),psexbarxy(ip1jm) |
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61 | REAL vorpot(ip1jm,llm) |
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62 | REAL ecin(ip1jmp1,llm),convm(ip1jmp1,llm) |
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63 | REAL bern(ip1jmp1,llm) |
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64 | REAL massebxy(ip1jm,llm) |
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65 | |
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66 | |
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67 | INTEGER ij,l |
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68 | |
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69 | !----------------------------------------------------------------------- |
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70 | ! Compute dynamical tendencies: |
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71 | !-------------------------------- |
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72 | |
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73 | ! compute contravariant winds ucont() and vcont |
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74 | CALL covcont ( llm , ucov , vcov , ucont, vcont ) |
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75 | ! compute pressure p() |
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76 | CALL pression ( ip1jmp1, ap , bp , ps , p ) |
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77 | ! compute psexbarxy() XY-area weighted-averaged surface pressure (what for?) |
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78 | CALL psextbar ( ps , psexbarxy ) |
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79 | ! compute mass in each atmospheric mesh: masse() |
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80 | CALL massdair ( p , masse ) |
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81 | ! compute X and Y-averages of mass, massebx() and masseby() |
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82 | CALL massbar ( masse, massebx , masseby ) |
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83 | ! compute XY-average of mass, massebxy() |
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84 | call massbarxy( masse, massebxy ) |
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85 | ! compute mass fluxes pbaru() and pbarv() |
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86 | CALL flumass ( massebx, masseby , vcont, ucont ,pbaru, pbarv ) |
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87 | ! compute dteta() , horizontal converging flux of theta |
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88 | CALL dteta1 ( teta , pbaru , pbarv, dteta ) |
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89 | ! compute convm(), horizontal converging flux of mass |
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90 | CALL convmas ( pbaru, pbarv , convm ) |
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91 | |
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92 | ! compute pressure variation due to mass convergence |
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93 | DO ij =1, ip1jmp1 |
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94 | dp( ij ) = convm( ij,1 ) / airesurg( ij ) |
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95 | ENDDO |
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96 | |
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97 | ! compute vertical velocity w() |
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98 | CALL vitvert ( convm , w ) |
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99 | ! compute potential vorticity vorpot() |
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100 | CALL tourpot ( vcov , ucov , massebxy , vorpot ) |
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101 | ! compute rotation induced du() and dv() |
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102 | CALL dudv1 ( vorpot , pbaru , pbarv , du , dv ) |
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103 | ! compute kinetic energy ecin() |
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104 | CALL enercin ( vcov , ucov , vcont , ucont , ecin ) |
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105 | ! compute Bernouilli function bern() |
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106 | CALL bernoui ( ip1jmp1, llm , phi , ecin , bern ) |
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107 | ! compute and add du() and dv() contributions from Bernouilli and pressure |
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108 | CALL dudv2 ( teta , pkf , bern , du , dv ) |
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109 | |
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110 | |
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111 | DO l=1,llm |
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112 | DO ij=1,ip1jmp1 |
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113 | ang(ij,l) = ucov(ij,l) + constang(ij) |
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114 | ENDDO |
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115 | ENDDO |
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116 | |
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117 | ! compute vertical advection contributions to du(), dv() and dteta() |
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118 | CALL advect( ang, vcov, teta, w, massebx, masseby, du, dv,dteta ) |
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119 | |
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120 | ! WARNING probleme de peridocite de dv sur les PC/linux. Pb d'arrondi |
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121 | ! probablement. Observe sur le code compile avec pgf90 3.0-1 |
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122 | |
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123 | DO l = 1, llm |
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124 | DO ij = 1, ip1jm, iip1 |
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125 | IF( dv(ij,l).NE.dv(ij+iim,l) ) THEN |
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126 | ! PRINT *,'!!!ATTENTION!!! probleme de periodicite sur vcov', |
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127 | ! , ' dans caldyn' |
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128 | ! PRINT *,' l, ij = ', l, ij, ij+iim,dv(ij+iim,l),dv(ij,l) |
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129 | dv(ij+iim,l) = dv(ij,l) |
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130 | ENDIF |
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131 | ENDDO |
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132 | ENDDO |
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133 | |
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134 | !----------------------------------------------------------------------- |
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135 | ! Output some control variables: |
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136 | !--------------------------------- |
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137 | |
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138 | IF( conser ) THEN |
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139 | CALL sortvarc |
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140 | & ( itau,ucov,teta,ps,masse,pk,phis,vorpot,phi,bern,dp,time,vcov ) |
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141 | ENDIF |
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142 | |
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143 | END |
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