| 1 | ! |
|---|
| 2 | ! $Id: friction_p.F 1437 2010-09-30 08:29:10Z emillour $ |
|---|
| 3 | ! |
|---|
| 4 | c======================================================================= |
|---|
| 5 | SUBROUTINE friction_p(ucov,vcov,pdt) |
|---|
| 6 | USE parallel_lmdz |
|---|
| 7 | USE control_mod |
|---|
| 8 | |
|---|
| 9 | |
|---|
| 10 | |
|---|
| 11 | ! if not using IOIPSL, we still need to use (a local version of) getin |
|---|
| 12 | USE ioipsl_getincom |
|---|
| 13 | |
|---|
| 14 | IMPLICIT NONE |
|---|
| 15 | |
|---|
| 16 | !======================================================================= |
|---|
| 17 | ! |
|---|
| 18 | ! Friction for the Newtonian case: |
|---|
| 19 | ! -------------------------------- |
|---|
| 20 | ! 2 possibilities (depending on flag 'friction_type' |
|---|
| 21 | ! friction_type=0 : A friction that is only applied to the lowermost |
|---|
| 22 | ! atmospheric layer |
|---|
| 23 | ! friction_type=1 : Friction applied on all atmospheric layer (but |
|---|
| 24 | ! (default) with stronger magnitude near the surface; see |
|---|
| 25 | ! iniacademic.F) |
|---|
| 26 | !======================================================================= |
|---|
| 27 | |
|---|
| 28 | !----------------------------------------------------------------------- |
|---|
| 29 | ! INCLUDE 'dimensions.h' |
|---|
| 30 | ! |
|---|
| 31 | ! dimensions.h contient les dimensions du modele |
|---|
| 32 | ! ndm est tel que iim=2**ndm |
|---|
| 33 | !----------------------------------------------------------------------- |
|---|
| 34 | |
|---|
| 35 | INTEGER iim,jjm,llm,ndm |
|---|
| 36 | |
|---|
| 37 | PARAMETER (iim= 128,jjm=96,llm=64,ndm=1) |
|---|
| 38 | |
|---|
| 39 | !----------------------------------------------------------------------- |
|---|
| 40 | ! |
|---|
| 41 | ! $Header$ |
|---|
| 42 | ! |
|---|
| 43 | ! |
|---|
| 44 | ! ATTENTION!!!!: ce fichier include est compatible format fixe/format libre |
|---|
| 45 | ! veillez n'utiliser que des ! pour les commentaires |
|---|
| 46 | ! et bien positionner les & des lignes de continuation |
|---|
| 47 | ! (les placer en colonne 6 et en colonne 73) |
|---|
| 48 | ! |
|---|
| 49 | ! |
|---|
| 50 | !----------------------------------------------------------------------- |
|---|
| 51 | ! INCLUDE 'paramet.h' |
|---|
| 52 | |
|---|
| 53 | INTEGER iip1,iip2,iip3,jjp1,llmp1,llmp2,llmm1 |
|---|
| 54 | INTEGER kftd,ip1jm,ip1jmp1,ip1jmi1,ijp1llm |
|---|
| 55 | INTEGER ijmllm,mvar |
|---|
| 56 | INTEGER jcfil,jcfllm |
|---|
| 57 | |
|---|
| 58 | PARAMETER( iip1= iim+1,iip2=iim+2,iip3=iim+3 & |
|---|
| 59 | & ,jjp1=jjm+1-1/jjm) |
|---|
| 60 | PARAMETER( llmp1 = llm+1, llmp2 = llm+2, llmm1 = llm-1 ) |
|---|
| 61 | PARAMETER( kftd = iim/2 -ndm ) |
|---|
| 62 | PARAMETER( ip1jm = iip1*jjm, ip1jmp1= iip1*jjp1 ) |
|---|
| 63 | PARAMETER( ip1jmi1= ip1jm - iip1 ) |
|---|
| 64 | PARAMETER( ijp1llm= ip1jmp1 * llm, ijmllm= ip1jm * llm ) |
|---|
| 65 | PARAMETER( mvar= ip1jmp1*( 2*llm+1) + ijmllm ) |
|---|
| 66 | PARAMETER( jcfil=jjm/2+5, jcfllm=jcfil*llm ) |
|---|
| 67 | |
|---|
| 68 | !----------------------------------------------------------------------- |
|---|
| 69 | ! |
|---|
| 70 | ! $Header$ |
|---|
| 71 | ! |
|---|
| 72 | !CDK comgeom2 |
|---|
| 73 | COMMON/comgeom/ & |
|---|
| 74 | & cu(iip1,jjp1),cv(iip1,jjm),unscu2(iip1,jjp1),unscv2(iip1,jjm) , & |
|---|
| 75 | & aire(iip1,jjp1),airesurg(iip1,jjp1),aireu(iip1,jjp1) , & |
|---|
| 76 | & airev(iip1,jjm),unsaire(iip1,jjp1),apoln,apols , & |
|---|
| 77 | & unsairez(iip1,jjm),airuscv2(iip1,jjm),airvscu2(iip1,jjm) , & |
|---|
| 78 | & aireij1(iip1,jjp1),aireij2(iip1,jjp1),aireij3(iip1,jjp1) , & |
|---|
| 79 | & aireij4(iip1,jjp1),alpha1(iip1,jjp1),alpha2(iip1,jjp1) , & |
|---|
| 80 | & alpha3(iip1,jjp1),alpha4(iip1,jjp1),alpha1p2(iip1,jjp1) , & |
|---|
| 81 | & alpha1p4(iip1,jjp1),alpha2p3(iip1,jjp1),alpha3p4(iip1,jjp1) , & |
|---|
| 82 | & fext(iip1,jjm),constang(iip1,jjp1), rlatu(jjp1),rlatv(jjm), & |
|---|
| 83 | & rlonu(iip1),rlonv(iip1),cuvsurcv(iip1,jjm),cvsurcuv(iip1,jjm) , & |
|---|
| 84 | & cvusurcu(iip1,jjp1),cusurcvu(iip1,jjp1) , & |
|---|
| 85 | & cuvscvgam1(iip1,jjm),cuvscvgam2(iip1,jjm),cvuscugam1(iip1,jjp1), & |
|---|
| 86 | & cvuscugam2(iip1,jjp1),cvscuvgam(iip1,jjm),cuscvugam(iip1,jjp1) , & |
|---|
| 87 | & unsapolnga1,unsapolnga2,unsapolsga1,unsapolsga2 , & |
|---|
| 88 | & unsair_gam1(iip1,jjp1),unsair_gam2(iip1,jjp1) , & |
|---|
| 89 | & unsairz_gam(iip1,jjm),aivscu2gam(iip1,jjm),aiuscv2gam(iip1,jjm) & |
|---|
| 90 | & , xprimu(iip1),xprimv(iip1) |
|---|
| 91 | |
|---|
| 92 | |
|---|
| 93 | REAL & |
|---|
| 94 | & cu,cv,unscu2,unscv2,aire,airesurg,aireu,airev,apoln,apols,unsaire & |
|---|
| 95 | & ,unsairez,airuscv2,airvscu2,aireij1,aireij2,aireij3,aireij4 , & |
|---|
| 96 | & alpha1,alpha2,alpha3,alpha4,alpha1p2,alpha1p4,alpha2p3,alpha3p4 , & |
|---|
| 97 | & fext,constang,rlatu,rlatv,rlonu,rlonv,cuvscvgam1,cuvscvgam2 , & |
|---|
| 98 | & cvuscugam1,cvuscugam2,cvscuvgam,cuscvugam,unsapolnga1 , & |
|---|
| 99 | & unsapolnga2,unsapolsga1,unsapolsga2,unsair_gam1,unsair_gam2 , & |
|---|
| 100 | & unsairz_gam,aivscu2gam,aiuscv2gam,cuvsurcv,cvsurcuv,cvusurcu , & |
|---|
| 101 | & cusurcvu,xprimu,xprimv |
|---|
| 102 | ! |
|---|
| 103 | ! $Id: comconst.h 1437 2010-09-30 08:29:10Z emillour $ |
|---|
| 104 | ! |
|---|
| 105 | !----------------------------------------------------------------------- |
|---|
| 106 | ! INCLUDE comconst.h |
|---|
| 107 | |
|---|
| 108 | COMMON/comconsti/im,jm,lllm,imp1,jmp1,lllmm1,lllmp1,lcl, & |
|---|
| 109 | & iflag_top_bound,mode_top_bound |
|---|
| 110 | COMMON/comconstr/dtvr,daysec, & |
|---|
| 111 | & pi,dtphys,dtdiss,rad,r,kappa,cotot,unsim,g,omeg & |
|---|
| 112 | & ,dissip_fac_mid,dissip_fac_up,dissip_deltaz,dissip_hdelta & |
|---|
| 113 | & ,dissip_pupstart ,tau_top_bound, & |
|---|
| 114 | & daylen,molmass, ihf |
|---|
| 115 | COMMON/cpdetvenus/cpp,nu_venus,t0_venus |
|---|
| 116 | |
|---|
| 117 | INTEGER im,jm,lllm,imp1,jmp1,lllmm1,lllmp1,lcl |
|---|
| 118 | REAL dtvr ! dynamical time step (in s) |
|---|
| 119 | REAL daysec !length (in s) of a standard day |
|---|
| 120 | REAL pi ! something like 3.14159.... |
|---|
| 121 | REAL dtphys ! (s) time step for the physics |
|---|
| 122 | REAL dtdiss ! (s) time step for the dissipation |
|---|
| 123 | REAL rad ! (m) radius of the planet |
|---|
| 124 | REAL r ! Reduced Gas constant r=R/mu |
|---|
| 125 | ! with R=8.31.. J.K-1.mol-1, mu: mol mass of atmosphere (kg/mol) |
|---|
| 126 | REAL cpp ! Cp |
|---|
| 127 | REAL kappa ! kappa=R/Cp |
|---|
| 128 | REAL cotot |
|---|
| 129 | REAL unsim ! = 1./iim |
|---|
| 130 | REAL g ! (m/s2) gravity |
|---|
| 131 | REAL omeg ! (rad/s) rotation rate of the planet |
|---|
| 132 | ! Dissipation factors, for Earth model: |
|---|
| 133 | REAL dissip_factz,dissip_zref !dissip_deltaz |
|---|
| 134 | ! Dissipation factors, for other planets: |
|---|
| 135 | REAL dissip_fac_mid,dissip_fac_up,dissip_deltaz,dissip_hdelta |
|---|
| 136 | REAL dissip_pupstart |
|---|
| 137 | INTEGER iflag_top_bound,mode_top_bound |
|---|
| 138 | REAL tau_top_bound |
|---|
| 139 | REAL daylen ! length of solar day, in 'standard' day length |
|---|
| 140 | REAL molmass ! (g/mol) molar mass of the atmosphere |
|---|
| 141 | |
|---|
| 142 | REAL nu_venus,t0_venus ! coeffs needed for Cp(T), Venus atmosphere |
|---|
| 143 | REAL ihf ! (W/m2) intrinsic heat flux for giant planets |
|---|
| 144 | |
|---|
| 145 | |
|---|
| 146 | !----------------------------------------------------------------------- |
|---|
| 147 | ! |
|---|
| 148 | ! $Header$ |
|---|
| 149 | ! |
|---|
| 150 | ! |
|---|
| 151 | ! gestion des impressions de sorties et de débogage |
|---|
| 152 | ! lunout: unité du fichier dans lequel se font les sorties |
|---|
| 153 | ! (par defaut 6, la sortie standard) |
|---|
| 154 | ! prt_level: niveau d'impression souhaité (0 = minimum) |
|---|
| 155 | ! |
|---|
| 156 | INTEGER lunout, prt_level |
|---|
| 157 | COMMON /comprint/ lunout, prt_level |
|---|
| 158 | ! |
|---|
| 159 | ! $Id: academic.h 1437 2010-09-30 08:29:10Z emillour $ |
|---|
| 160 | ! |
|---|
| 161 | common/academic/tetarappel,knewt_t,kfrict,knewt_g,clat4 |
|---|
| 162 | real :: tetarappel(ip1jmp1,llm) |
|---|
| 163 | real :: knewt_t(llm) |
|---|
| 164 | real :: kfrict(llm) |
|---|
| 165 | real :: knewt_g |
|---|
| 166 | real :: clat4(ip1jmp1) |
|---|
| 167 | |
|---|
| 168 | ! arguments: |
|---|
| 169 | REAL,INTENT(inout) :: ucov( iip1,jjp1,llm ) |
|---|
| 170 | REAL,INTENT(inout) :: vcov( iip1,jjm,llm ) |
|---|
| 171 | REAL,INTENT(in) :: pdt ! time step |
|---|
| 172 | |
|---|
| 173 | ! local variables: |
|---|
| 174 | REAL modv(iip1,jjp1),zco,zsi |
|---|
| 175 | REAL vpn,vps,upoln,upols,vpols,vpoln |
|---|
| 176 | REAL u2(iip1,jjp1),v2(iip1,jjm) |
|---|
| 177 | INTEGER i,j,l |
|---|
| 178 | REAL,PARAMETER :: cfric=1.e-5 |
|---|
| 179 | LOGICAL,SAVE :: firstcall=.true. |
|---|
| 180 | INTEGER,SAVE :: friction_type=1 |
|---|
| 181 | CHARACTER(len=20) :: modname="friction_p" |
|---|
| 182 | CHARACTER(len=80) :: abort_message |
|---|
| 183 | !$OMP THREADPRIVATE(firstcall,friction_type) |
|---|
| 184 | integer :: jjb,jje |
|---|
| 185 | |
|---|
| 186 | !$OMP SINGLE |
|---|
| 187 | IF (firstcall) THEN |
|---|
| 188 | ! set friction type |
|---|
| 189 | call getin("friction_type",friction_type) |
|---|
| 190 | if ((friction_type.lt.0).or.(friction_type.gt.1)) then |
|---|
| 191 | abort_message="wrong friction type" |
|---|
| 192 | write(lunout,*)'Friction: wrong friction type',friction_type |
|---|
| 193 | call abort_gcm(modname,abort_message,42) |
|---|
| 194 | endif |
|---|
| 195 | firstcall=.false. |
|---|
| 196 | ENDIF |
|---|
| 197 | !$OMP END SINGLE COPYPRIVATE(friction_type,firstcall) |
|---|
| 198 | |
|---|
| 199 | if (friction_type.eq.0) then ! friction on first layer only |
|---|
| 200 | !$OMP SINGLE |
|---|
| 201 | c calcul des composantes au carre du vent naturel |
|---|
| 202 | jjb=jj_begin |
|---|
| 203 | jje=jj_end+1 |
|---|
| 204 | if (pole_sud) jje=jj_end |
|---|
| 205 | |
|---|
| 206 | do j=jjb,jje |
|---|
| 207 | do i=1,iip1 |
|---|
| 208 | u2(i,j)=ucov(i,j,1)*ucov(i,j,1)*unscu2(i,j) |
|---|
| 209 | enddo |
|---|
| 210 | enddo |
|---|
| 211 | |
|---|
| 212 | jjb=jj_begin-1 |
|---|
| 213 | jje=jj_end+1 |
|---|
| 214 | if (pole_nord) jjb=jj_begin |
|---|
| 215 | if (pole_sud) jje=jj_end-1 |
|---|
| 216 | |
|---|
| 217 | do j=jjb,jje |
|---|
| 218 | do i=1,iip1 |
|---|
| 219 | v2(i,j)=vcov(i,j,1)*vcov(i,j,1)*unscv2(i,j) |
|---|
| 220 | enddo |
|---|
| 221 | enddo |
|---|
| 222 | |
|---|
| 223 | c calcul du module de V en dehors des poles |
|---|
| 224 | jjb=jj_begin |
|---|
| 225 | jje=jj_end+1 |
|---|
| 226 | if (pole_nord) jjb=jj_begin+1 |
|---|
| 227 | if (pole_sud) jje=jj_end-1 |
|---|
| 228 | |
|---|
| 229 | do j=jjb,jje |
|---|
| 230 | do i=2,iip1 |
|---|
| 231 | modv(i,j)=sqrt(0.5*(u2(i-1,j)+u2(i,j)+v2(i,j-1)+v2(i,j))) |
|---|
| 232 | enddo |
|---|
| 233 | modv(1,j)=modv(iip1,j) |
|---|
| 234 | enddo |
|---|
| 235 | |
|---|
| 236 | c les deux composantes du vent au pole sont obtenues comme |
|---|
| 237 | c premiers modes de fourier de v pres du pole |
|---|
| 238 | if (pole_nord) then |
|---|
| 239 | |
|---|
| 240 | upoln=0. |
|---|
| 241 | vpoln=0. |
|---|
| 242 | |
|---|
| 243 | do i=2,iip1 |
|---|
| 244 | zco=cos(rlonv(i))*(rlonu(i)-rlonu(i-1)) |
|---|
| 245 | zsi=sin(rlonv(i))*(rlonu(i)-rlonu(i-1)) |
|---|
| 246 | vpn=vcov(i,1,1)/cv(i,1) |
|---|
| 247 | upoln=upoln+zco*vpn |
|---|
| 248 | vpoln=vpoln+zsi*vpn |
|---|
| 249 | enddo |
|---|
| 250 | vpn=sqrt(upoln*upoln+vpoln*vpoln)/pi |
|---|
| 251 | do i=1,iip1 |
|---|
| 252 | c modv(i,1)=vpn |
|---|
| 253 | modv(i,1)=modv(i,2) |
|---|
| 254 | enddo |
|---|
| 255 | |
|---|
| 256 | endif |
|---|
| 257 | |
|---|
| 258 | if (pole_sud) then |
|---|
| 259 | |
|---|
| 260 | upols=0. |
|---|
| 261 | vpols=0. |
|---|
| 262 | do i=2,iip1 |
|---|
| 263 | zco=cos(rlonv(i))*(rlonu(i)-rlonu(i-1)) |
|---|
| 264 | zsi=sin(rlonv(i))*(rlonu(i)-rlonu(i-1)) |
|---|
| 265 | vps=vcov(i,jjm,1)/cv(i,jjm) |
|---|
| 266 | upols=upols+zco*vps |
|---|
| 267 | vpols=vpols+zsi*vps |
|---|
| 268 | enddo |
|---|
| 269 | vps=sqrt(upols*upols+vpols*vpols)/pi |
|---|
| 270 | do i=1,iip1 |
|---|
| 271 | c modv(i,jjp1)=vps |
|---|
| 272 | modv(i,jjp1)=modv(i,jjm) |
|---|
| 273 | enddo |
|---|
| 274 | |
|---|
| 275 | endif |
|---|
| 276 | |
|---|
| 277 | c calcul du frottement au sol. |
|---|
| 278 | |
|---|
| 279 | jjb=jj_begin |
|---|
| 280 | jje=jj_end |
|---|
| 281 | if (pole_nord) jjb=jj_begin+1 |
|---|
| 282 | if (pole_sud) jje=jj_end-1 |
|---|
| 283 | |
|---|
| 284 | do j=jjb,jje |
|---|
| 285 | do i=1,iim |
|---|
| 286 | ucov(i,j,1)=ucov(i,j,1) |
|---|
| 287 | s -cfric*pdt*0.5*(modv(i+1,j)+modv(i,j))*ucov(i,j,1) |
|---|
| 288 | enddo |
|---|
| 289 | ucov(iip1,j,1)=ucov(1,j,1) |
|---|
| 290 | enddo |
|---|
| 291 | |
|---|
| 292 | jjb=jj_begin |
|---|
| 293 | jje=jj_end |
|---|
| 294 | if (pole_sud) jje=jj_end-1 |
|---|
| 295 | |
|---|
| 296 | do j=jjb,jje |
|---|
| 297 | do i=1,iip1 |
|---|
| 298 | vcov(i,j,1)=vcov(i,j,1) |
|---|
| 299 | s -cfric*pdt*0.5*(modv(i,j+1)+modv(i,j))*vcov(i,j,1) |
|---|
| 300 | enddo |
|---|
| 301 | vcov(iip1,j,1)=vcov(1,j,1) |
|---|
| 302 | enddo |
|---|
| 303 | !$OMP END SINGLE |
|---|
| 304 | endif ! of if (friction_type.eq.0) |
|---|
| 305 | |
|---|
| 306 | if (friction_type.eq.1) then |
|---|
| 307 | ! for ucov() |
|---|
| 308 | jjb=jj_begin |
|---|
| 309 | jje=jj_end |
|---|
| 310 | if (pole_nord) jjb=jj_begin+1 |
|---|
| 311 | if (pole_sud) jje=jj_end-1 |
|---|
| 312 | |
|---|
| 313 | !$OMP DO SCHEDULE(STATIC,OMP_CHUNK) |
|---|
| 314 | do l=1,llm |
|---|
| 315 | ucov(1:iip1,jjb:jje,l)=ucov(1:iip1,jjb:jje,l)* |
|---|
| 316 | & (1.-pdt*kfrict(l)) |
|---|
| 317 | enddo |
|---|
| 318 | !$OMP END DO NOWAIT |
|---|
| 319 | |
|---|
| 320 | ! for vcoc() |
|---|
| 321 | jjb=jj_begin |
|---|
| 322 | jje=jj_end |
|---|
| 323 | if (pole_sud) jje=jj_end-1 |
|---|
| 324 | |
|---|
| 325 | !$OMP DO SCHEDULE(STATIC,OMP_CHUNK) |
|---|
| 326 | do l=1,llm |
|---|
| 327 | vcov(1:iip1,jjb:jje,l)=vcov(1:iip1,jjb:jje,l)* |
|---|
| 328 | & (1.-pdt*kfrict(l)) |
|---|
| 329 | enddo |
|---|
| 330 | !$OMP END DO |
|---|
| 331 | endif ! of if (friction_type.eq.1) |
|---|
| 332 | |
|---|
| 333 | RETURN |
|---|
| 334 | END |
|---|
| 335 | |
|---|
![(please configure the [header_logo] section in trac.ini)](/dynamico/chrome/site/your_project_logo.png){kind=logo}
