1 | ! |
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2 | ! $Id: iniphysiq.F90 2225 2015-03-11 14:55:23Z emillour $ |
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3 | ! |
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4 | MODULE iniphysiq_mod |
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5 | |
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6 | CONTAINS |
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7 | |
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8 | SUBROUTINE iniphysiq(iim,jjm,nlayer,punjours, pdayref,ptimestep, & |
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9 | rlatu,rlatv,rlonu,rlonv,aire,cu,cv, & |
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10 | prad,pg,pr,pcpp,iflag_phys) |
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11 | USE dimphy, ONLY: klev ! number of atmospheric levels |
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12 | USE mod_grid_phy_lmdz, ONLY: klon_glo ! number of atmospheric columns |
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13 | ! (on full grid) |
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14 | USE mod_phys_lmdz_para, ONLY: klon_omp, & ! number of columns (on local omp grid) |
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15 | klon_omp_begin, & ! start index of local omp subgrid |
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16 | klon_omp_end, & ! end index of local omp subgrid |
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17 | klon_mpi_begin ! start indes of columns (on local mpi grid) |
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18 | USE comgeomphy, ONLY: initcomgeomphy, & |
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19 | airephy, & ! physics grid area (m2) |
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20 | cuphy, & ! cu coeff. (u_covariant = cu * u) |
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21 | cvphy, & ! cv coeff. (v_covariant = cv * v) |
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22 | rlond, & ! longitudes |
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23 | rlatd ! latitudes |
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24 | USE regular_lonlat_mod, ONLY : init_regular_lonlat, & |
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25 | east, west, north, south, & |
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26 | north_east, north_west, & |
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27 | south_west, south_east |
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28 | USE nrtype, ONLY: pi |
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29 | IMPLICIT NONE |
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30 | |
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31 | ! ======================================================================= |
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32 | ! Initialisation of the physical constants and some positional and |
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33 | ! geometrical arrays for the physics |
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34 | ! ======================================================================= |
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35 | |
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36 | include "YOMCST.h" |
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37 | include "iniprint.h" |
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38 | |
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39 | REAL, INTENT (IN) :: prad ! radius of the planet (m) |
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40 | REAL, INTENT (IN) :: pg ! gravitational acceleration (m/s2) |
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41 | REAL, INTENT (IN) :: pr ! ! reduced gas constant R/mu |
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42 | REAL, INTENT (IN) :: pcpp ! specific heat Cp |
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43 | REAL, INTENT (IN) :: punjours ! length (in s) of a standard day |
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44 | INTEGER, INTENT (IN) :: nlayer ! number of atmospheric layers |
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45 | INTEGER, INTENT (IN) :: iim ! number of atmospheric columns along longitudes |
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46 | INTEGER, INTENT (IN) :: jjm ! number of atompsheric columns along latitudes |
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47 | REAL, INTENT (IN) :: rlatu(jjm+1) ! latitudes of the physics grid |
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48 | REAL, INTENT (IN) :: rlatv(jjm) ! latitude boundaries of the physics grid |
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49 | REAL, INTENT (IN) :: rlonv(iim+1) ! longitudes of the physics grid |
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50 | REAL, INTENT (IN) :: rlonu(iim+1) ! longitude boundaries of the physics grid |
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51 | REAL, INTENT (IN) :: aire(iim+1,jjm+1) ! area of the dynamics grid (m2) |
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52 | REAL, INTENT (IN) :: cu((iim+1)*(jjm+1)) ! cu coeff. (u_covariant = cu * u) |
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53 | REAL, INTENT (IN) :: cv((iim+1)*jjm) ! cv coeff. (v_covariant = cv * v) |
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54 | INTEGER, INTENT (IN) :: pdayref ! reference day of for the simulation |
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55 | REAL, INTENT (IN) :: ptimestep !physics time step (s) |
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56 | INTEGER, INTENT (IN) :: iflag_phys ! type of physics to be called |
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57 | |
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58 | INTEGER :: ibegin, iend, offset |
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59 | INTEGER :: i,j |
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60 | CHARACTER (LEN=20) :: modname = 'iniphysiq' |
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61 | CHARACTER (LEN=80) :: abort_message |
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62 | REAL :: total_area_phy, total_area_dyn |
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63 | |
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64 | ! boundaries, on global grid |
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65 | REAL,ALLOCATABLE :: boundslon_reg(:,:) |
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66 | REAL,ALLOCATABLE :: boundslat_reg(:,:) |
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67 | |
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68 | ! global array, on full physics grid: |
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69 | REAL,ALLOCATABLE :: latfi(:) |
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70 | REAL,ALLOCATABLE :: lonfi(:) |
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71 | REAL,ALLOCATABLE :: cufi(:) |
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72 | REAL,ALLOCATABLE :: cvfi(:) |
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73 | REAL,ALLOCATABLE :: airefi(:) |
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74 | |
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75 | IF (nlayer/=klev) THEN |
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76 | WRITE (lunout, *) 'STOP in ', trim(modname) |
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77 | WRITE (lunout, *) 'Problem with dimensions :' |
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78 | WRITE (lunout, *) 'nlayer = ', nlayer |
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79 | WRITE (lunout, *) 'klev = ', klev |
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80 | abort_message = '' |
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81 | CALL abort_gcm(modname, 'Problem with dimensions', 1) |
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82 | END IF |
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83 | |
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84 | !call init_phys_lmdz(iim,jjm+1,llm,1,(/(jjm-1)*iim+2/)) |
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85 | |
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86 | ! init regular global longitude-latitude grid points and boundaries |
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87 | ALLOCATE(boundslon_reg(iim,2)) |
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88 | ALLOCATE(boundslat_reg(jjm+1,2)) |
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89 | |
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90 | DO i=1,iim |
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91 | boundslon_reg(i,east)=rlonu(i) |
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92 | boundslon_reg(i,west)=rlonu(i+1) |
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93 | ENDDO |
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94 | |
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95 | boundslat_reg(1,north)= PI/2 |
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96 | boundslat_reg(1,south)= rlatv(1) |
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97 | DO j=2,jjm |
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98 | boundslat_reg(j,north)=rlatv(j-1) |
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99 | boundslat_reg(j,south)=rlatv(j) |
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100 | ENDDO |
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101 | boundslat_reg(jjm+1,north)= rlatv(jjm) |
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102 | boundslat_reg(jjm+1,south)= -PI/2 |
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103 | |
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104 | ! Write values in module regular_lonlat_mod |
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105 | CALL init_regular_lonlat(iim,jjm+1, rlonv(1:iim), rlatu, & |
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106 | boundslon_reg, boundslat_reg) |
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107 | |
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108 | ! Generate global arrays on full physics grid |
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109 | ALLOCATE(latfi(klon_glo),lonfi(klon_glo),cufi(klon_glo),cvfi(klon_glo)) |
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110 | ALLOCATE(airefi(klon_glo)) |
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111 | |
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112 | IF (klon_glo>1) THEN ! general case |
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113 | ! North pole |
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114 | latfi(1)=rlatu(1) |
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115 | lonfi(1)=0. |
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116 | cufi(1) = cu(1) |
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117 | cvfi(1) = cv(1) |
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118 | DO j=2,jjm |
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119 | DO i=1,iim |
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120 | latfi((j-2)*iim+1+i)= rlatu(j) |
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121 | lonfi((j-2)*iim+1+i)= rlonv(i) |
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122 | cufi((j-2)*iim+1+i) = cu((j-1)*(iim+1)+i) |
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123 | cvfi((j-2)*iim+1+i) = cv((j-1)*(iim+1)+i) |
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124 | ENDDO |
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125 | ENDDO |
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126 | ! South pole |
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127 | latfi(klon_glo)= rlatu(jjm+1) |
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128 | lonfi(klon_glo)= 0. |
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129 | cufi(klon_glo) = cu((iim+1)*jjm+1) |
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130 | cvfi(klon_glo) = cv((iim+1)*jjm-iim) |
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131 | |
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132 | ! build airefi(), mesh area on physics grid |
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133 | CALL gr_dyn_fi(1,iim+1,jjm+1,klon_glo,aire,airefi) |
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134 | ! Poles are single points on physics grid |
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135 | airefi(1)=sum(aire(1:iim,1)) |
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136 | airefi(klon_glo)=sum(aire(1:iim,jjm+1)) |
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137 | |
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138 | ! Sanity check: do total planet area match between physics and dynamics? |
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139 | total_area_dyn=sum(aire(1:iim,1:jjm+1)) |
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140 | total_area_phy=sum(airefi(1:klon_glo)) |
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141 | IF (total_area_dyn/=total_area_phy) THEN |
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142 | WRITE (lunout, *) 'iniphysiq: planet total surface discrepancy !!!' |
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143 | WRITE (lunout, *) ' in the dynamics total_area_dyn=', total_area_dyn |
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144 | WRITE (lunout, *) ' but in the physics total_area_phy=', total_area_phy |
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145 | IF (abs(total_area_dyn-total_area_phy)>0.00001*total_area_dyn) THEN |
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146 | ! stop here if the relative difference is more than 0.001% |
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147 | abort_message = 'planet total surface discrepancy' |
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148 | CALL abort_gcm(modname, abort_message, 1) |
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149 | ENDIF |
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150 | ENDIF |
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151 | ELSE ! klon_glo==1, running the 1D model |
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152 | ! just copy over input values |
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153 | latfi(1)=rlatu(1) |
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154 | lonfi(1)=rlonv(1) |
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155 | cufi(1)=cu(1) |
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156 | cvfi(1)=cv(1) |
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157 | airefi(1)=aire(1,1) |
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158 | ENDIF ! of IF (klon_glo>1) |
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159 | |
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160 | !$OMP PARALLEL |
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161 | ! Now generate local lon/lat/cu/cv/area arrays |
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162 | CALL initcomgeomphy |
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163 | |
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164 | offset = klon_mpi_begin - 1 |
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165 | airephy(1:klon_omp) = airefi(offset+klon_omp_begin:offset+klon_omp_end) |
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166 | cuphy(1:klon_omp) = cufi(offset+klon_omp_begin:offset+klon_omp_end) |
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167 | cvphy(1:klon_omp) = cvfi(offset+klon_omp_begin:offset+klon_omp_end) |
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168 | rlond(1:klon_omp) = lonfi(offset+klon_omp_begin:offset+klon_omp_end) |
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169 | rlatd(1:klon_omp) = latfi(offset+klon_omp_begin:offset+klon_omp_end) |
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170 | |
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171 | ! Initialize some physical constants |
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172 | call suphec |
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173 | |
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174 | !$OMP END PARALLEL |
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175 | |
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176 | ! check that physical constants set in 'suphec' are coherent |
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177 | ! with values set in the dynamics: |
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178 | IF (rday/=punjours) THEN |
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179 | WRITE (lunout, *) 'iniphysiq: length of day discrepancy!!!' |
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180 | WRITE (lunout, *) ' in the dynamics punjours=', punjours |
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181 | WRITE (lunout, *) ' but in the physics RDAY=', rday |
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182 | IF (abs(rday-punjours)>0.01*punjours) THEN |
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183 | ! stop here if the relative difference is more than 1% |
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184 | abort_message = 'length of day discrepancy' |
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185 | CALL abort_gcm(modname, abort_message, 1) |
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186 | END IF |
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187 | END IF |
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188 | |
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189 | IF (rg/=pg) THEN |
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190 | WRITE (lunout, *) 'iniphysiq: gravity discrepancy !!!' |
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191 | WRITE (lunout, *) ' in the dynamics pg=', pg |
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192 | WRITE (lunout, *) ' but in the physics RG=', rg |
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193 | IF (abs(rg-pg)>0.01*pg) THEN |
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194 | ! stop here if the relative difference is more than 1% |
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195 | abort_message = 'gravity discrepancy' |
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196 | CALL abort_gcm(modname, abort_message, 1) |
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197 | END IF |
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198 | END IF |
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199 | IF (ra/=prad) THEN |
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200 | WRITE (lunout, *) 'iniphysiq: planet radius discrepancy !!!' |
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201 | WRITE (lunout, *) ' in the dynamics prad=', prad |
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202 | WRITE (lunout, *) ' but in the physics RA=', ra |
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203 | IF (abs(ra-prad)>0.01*prad) THEN |
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204 | ! stop here if the relative difference is more than 1% |
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205 | abort_message = 'planet radius discrepancy' |
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206 | CALL abort_gcm(modname, abort_message, 1) |
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207 | END IF |
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208 | END IF |
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209 | IF (rd/=pr) THEN |
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210 | WRITE (lunout, *) 'iniphysiq: reduced gas constant discrepancy !!!' |
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211 | WRITE (lunout, *) ' in the dynamics pr=', pr |
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212 | WRITE (lunout, *) ' but in the physics RD=', rd |
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213 | IF (abs(rd-pr)>0.01*pr) THEN |
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214 | ! stop here if the relative difference is more than 1% |
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215 | abort_message = 'reduced gas constant discrepancy' |
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216 | CALL abort_gcm(modname, abort_message, 1) |
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217 | END IF |
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218 | END IF |
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219 | IF (rcpd/=pcpp) THEN |
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220 | WRITE (lunout, *) 'iniphysiq: specific heat discrepancy !!!' |
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221 | WRITE (lunout, *) ' in the dynamics pcpp=', pcpp |
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222 | WRITE (lunout, *) ' but in the physics RCPD=', rcpd |
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223 | IF (abs(rcpd-pcpp)>0.01*pcpp) THEN |
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224 | ! stop here if the relative difference is more than 1% |
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225 | abort_message = 'specific heat discrepancy' |
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226 | CALL abort_gcm(modname, abort_message, 1) |
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227 | END IF |
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228 | END IF |
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229 | |
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230 | END SUBROUTINE iniphysiq |
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231 | |
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232 | END MODULE iniphysiq_mod |
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