Changeset 1793 for LMDZ5/trunk/libf/dyn3dpar
- Timestamp:
- Jul 18, 2013, 9:13:18 AM (11 years ago)
- Location:
- LMDZ5/trunk/libf/dyn3dpar
- Files:
-
- 5 edited
Legend:
- Unmodified
- Added
- Removed
-
LMDZ5/trunk/libf/dyn3dpar/comconst.h
r1671 r1793 6 6 7 7 COMMON/comconsti/im,jm,lllm,imp1,jmp1,lllmm1,lllmp1,lcl, & 8 & iflag_top_bound 8 & iflag_top_bound,mode_top_bound 9 9 COMMON/comconstr/dtvr,daysec, & 10 10 & pi,dtphys,dtdiss,rad,r,cpp,kappa,cotot,unsim,g,omeg & … … 30 30 REAL omeg ! (rad/s) rotation rate of the planet 31 31 REAL dissip_factz,dissip_deltaz,dissip_zref 32 INTEGER iflag_top_bound 33 REAL tau_top_bound 32 ! top_bound sponge: 33 INTEGER iflag_top_bound ! sponge type 34 INTEGER mode_top_bound ! sponge mode 35 REAL tau_top_bound ! inverse of sponge characteristic time scale (Hz) 34 36 REAL daylen ! length of solar day, in 'standard' day length 35 37 REAL year_day ! Number of standard days in a year -
LMDZ5/trunk/libf/dyn3dpar/comvert.h
r1654 r1793 23 23 real bps ! hybrid sigma contribution at mid-layers 24 24 real scaleheight ! atmospheric (reference) scale height (km) 25 real pseudoalt ! for planets 25 real pseudoalt ! pseudo-altitude of model levels (km), based on presnivs(), 26 ! preff and scaleheight 26 27 27 28 integer disvert_type ! type of vertical discretization: -
LMDZ5/trunk/libf/dyn3dpar/conf_gcm.F
r1734 r1793 334 334 CALL getin('dissip_zref',dissip_zref ) 335 335 336 ! top_bound sponge: only active if ok_strato=.true. and iflag_top_bound!=0 337 ! iflag_top_bound=0 for no sponge 338 ! iflag_top_bound=1 for sponge over 4 topmost layers 339 ! iflag_top_bound=2 for sponge from top to ~1% of top layer pressure 336 340 iflag_top_bound=1 341 CALL getin('iflag_top_bound',iflag_top_bound) 342 343 ! mode_top_bound : fields towards which sponge relaxation will be done: 344 ! mode_top_bound=0: no relaxation 345 ! mode_top_bound=1: u and v relax towards 0 346 ! mode_top_bound=2: u and v relax towards their zonal mean 347 ! mode_top_bound=3: u,v and pot. temp. relax towards their zonal mean 348 mode_top_bound=3 349 CALL getin('mode_top_bound',mode_top_bound) 350 351 ! top_bound sponge : inverse of charactericstic relaxation time scale for sponge 337 352 tau_top_bound=1.e-5 338 CALL getin('iflag_top_bound',iflag_top_bound)339 353 CALL getin('tau_top_bound',tau_top_bound) 340 354 -
LMDZ5/trunk/libf/dyn3dpar/leapfrog_p.F
r1676 r1793 904 904 c ajout des tendances physiques: 905 905 c ------------------------------ 906 IF (ok_strato) THEN907 CALL top_bound_p( vcov,ucov,teta,masse,dufi,dvfi,dtetafi)908 ENDIF909 910 906 CALL addfi_p( dtphys, leapf, forward , 911 907 $ ucov, vcov, teta , q ,ps , 912 908 $ dufi, dvfi, dtetafi , dqfi ,dpfi ) 913 909 910 IF (ok_strato) THEN 911 CALL top_bound_p(vcov,ucov,teta,masse,dtphys) 912 ENDIF 913 914 914 c$OMP BARRIER 915 915 c$OMP MASTER … … 1024 1024 ! Sponge layer (if any) 1025 1025 IF (ok_strato) THEN 1026 ! set dufi,dvfi,... to zero 1027 ijb=ij_begin 1028 ije=ij_end 1029 !$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 1030 do l=1,llm 1031 dufi(ijb:ije,l)=0 1032 dtetafi(ijb:ije,l)=0 1033 dqfi(ijb:ije,l,1:nqtot)=0 1034 enddo 1035 !$OMP END DO 1036 !$OMP MASTER 1037 dpfi(ijb:ije)=0 1038 !$OMP END MASTER 1039 ijb=ij_begin 1040 ije=ij_end 1041 if (pole_sud) ije=ije-iip1 1042 !$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 1043 do l=1,llm 1044 dvfi(ijb:ije,l)=0 1045 enddo 1046 !$OMP END DO 1047 1048 CALL top_bound_p(vcov,ucov,teta,masse,dufi,dvfi,dtetafi) 1049 CALL addfi_p( dtvr, leapf, forward , 1050 $ ucov, vcov, teta , q ,ps , 1051 $ dufi, dvfi, dtetafi , dqfi ,dpfi ) 1026 CALL top_bound_p(vcov,ucov,teta,masse,dtvr) 1052 1027 !$OMP BARRIER 1053 1028 ENDIF ! of IF (ok_strato) -
LMDZ5/trunk/libf/dyn3dpar/top_bound_p.F
r1279 r1793 1 SUBROUTINE top_bound_p( vcov,ucov,teta,masse, du,dv,dh ) 1 ! 2 ! $Id$ 3 ! 4 SUBROUTINE top_bound_p(vcov,ucov,teta,masse,dt) 2 5 USE parallel 3 6 IMPLICIT NONE … … 25 28 c 26 29 c======================================================================= 27 c----------------------------------------------------------------------- 28 c Declarations: 29 c ------------- 30 31 ! top_bound sponge layer model: 32 ! Quenching is modeled as: A(t)=Am+A0*exp(-lambda*t) 33 ! where Am is the zonal average of the field (or zero), and lambda the inverse 34 ! of the characteristic quenching/relaxation time scale 35 ! Thus, assuming Am to be time-independent, field at time t+dt is given by: 36 ! A(t+dt)=A(t)-(A(t)-Am)*(1-exp(-lambda*t)) 37 ! Moreover lambda can be a function of model level (see below), and relaxation 38 ! can be toward the average zonal field or just zero (see below). 39 40 ! NB: top_bound sponge is only called from leapfrog if ok_strato=.true. 41 42 ! sponge parameters: (loaded/set in conf_gcm.F ; stored in comconst.h) 43 ! iflag_top_bound=0 for no sponge 44 ! iflag_top_bound=1 for sponge over 4 topmost layers 45 ! iflag_top_bound=2 for sponge from top to ~1% of top layer pressure 46 ! mode_top_bound=0: no relaxation 47 ! mode_top_bound=1: u and v relax towards 0 48 ! mode_top_bound=2: u and v relax towards their zonal mean 49 ! mode_top_bound=3: u,v and pot. temp. relax towards their zonal mean 50 ! tau_top_bound : inverse of charactericstic relaxation time scale at 51 ! the topmost layer (Hz) 52 30 53 31 54 #include "comdissipn.h" 55 #include "iniprint.h" 32 56 33 57 c Arguments: 34 58 c ---------- 35 59 36 REAL ucov(iip1,jjp1,llm),vcov(iip1,jjm,llm),teta(iip1,jjp1,llm) 37 REAL masse(iip1,jjp1,llm) 38 REAL dv(iip1,jjm,llm),du(iip1,jjp1,llm),dh(iip1,jjp1,llm) 60 real,intent(inout) :: ucov(iip1,jjp1,llm) ! covariant zonal wind 61 real,intent(inout) :: vcov(iip1,jjm,llm) ! covariant meridional wind 62 real,intent(inout) :: teta(iip1,jjp1,llm) ! potential temperature 63 real,intent(in) :: masse(iip1,jjp1,llm) ! mass of atmosphere 64 real,intent(in) :: dt ! time step (s) of sponge model 39 65 40 66 c Local: … … 43 69 REAL uzon(jjp1,llm),vzon(jjm,llm),tzon(jjp1,llm) 44 70 45 INTEGER NDAMP46 PARAMETER (NDAMP=4)47 71 integer i 48 REAL,SAVE :: rdamp(llm) 49 ! & (/(0., i =1,llm-NDAMP),0.125E-5,.25E-5,.5E-5,1.E-5/) 72 REAL,SAVE :: rdamp(llm) ! quenching coefficient 73 real,save :: lambda(llm) ! inverse or quenching time scale (Hz) 50 74 LOGICAL,SAVE :: first=.true. 51 75 INTEGER j,l,jjb,jje … … 53 77 54 78 if (iflag_top_bound == 0) return 79 55 80 if (first) then 56 81 c$OMP BARRIER 57 82 c$OMP MASTER 58 83 if (iflag_top_bound == 1) then 59 ! couche eponge dans les 4 dernieres couches du modele60 rdamp(:)=0.61 rdamp(llm)=tau_top_bound62 rdamp(llm-1)=tau_top_bound/2.63 rdamp(llm-2)=tau_top_bound/4.64 rdamp(llm-3)=tau_top_bound/8.84 ! sponge quenching over the topmost 4 atmospheric layers 85 lambda(:)=0. 86 lambda(llm)=tau_top_bound 87 lambda(llm-1)=tau_top_bound/2. 88 lambda(llm-2)=tau_top_bound/4. 89 lambda(llm-3)=tau_top_bound/8. 65 90 else if (iflag_top_bound == 2) then 66 ! couce eponge dans toutes les couches de pression plus faible que67 ! 100 fois la pression de la derniere couche68 rdamp(:)=tau_top_bound91 ! sponge quenching over topmost layers down to pressures which are 92 ! higher than 100 times the topmost layer pressure 93 lambda(:)=tau_top_bound 69 94 s *max(presnivs(llm)/presnivs(:)-0.01,0.) 70 95 endif 96 97 ! quenching coefficient rdamp(:) 98 ! rdamp(:)=dt*lambda(:) ! Explicit Euler approx. 99 rdamp(:)=1.-exp(-lambda(:)*dt) 100 101 write(lunout,*)'TOP_BOUND mode',mode_top_bound 102 write(lunout,*)'Sponge layer coefficients' 103 write(lunout,*)'p (Pa) z(km) tau(s) 1./tau (Hz)' 104 do l=1,llm 105 if (rdamp(l).ne.0.) then 106 write(lunout,'(6(1pe12.4,1x))') 107 & presnivs(l),log(preff/presnivs(l))*scaleheight, 108 & 1./lambda(l),lambda(l) 109 endif 110 enddo 71 111 first=.false. 72 print*,'TOP_BOUND rdamp=',rdamp73 112 c$OMP END MASTER 74 113 c$OMP BARRIER 75 endif 114 endif ! of if (first) 76 115 77 116 78 117 CALL massbar_p(masse,massebx,masseby) 79 C CALCUL DES CHAMPS EN MOYENNE ZONALE: 80 81 jjb=jj_begin82 jje=jj_end83 IF (pole_sud) jje=jj_end-184 85 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 86 do l=1,llm118 119 ! compute zonal average of vcov (or set it to zero) 120 if (mode_top_bound.ge.2) then 121 jjb=jj_begin 122 jje=jj_end 123 IF (pole_sud) jje=jj_end-1 124 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 125 do l=1,llm 87 126 do j=jjb,jje 88 127 zm=0. 89 128 vzon(j,l)=0 90 129 do i=1,iim 91 ! Rm: on peut travailler directement avec la moyenne zonale de vcov 92 ! plutot qu'avec celle de v car le coefficient cv qui relie les deux 93 ! ne varie qu'en latitude 130 ! NB: we can work using vcov zonal mean rather than v since the 131 ! cv coefficient (which relates the two) only varies with latitudes 94 132 vzon(j,l)=vzon(j,l)+vcov(i,j,l)*masseby(i,j,l) 95 133 zm=zm+masseby(i,j,l) … … 97 135 vzon(j,l)=vzon(j,l)/zm 98 136 enddo 99 enddo137 enddo 100 138 c$OMP END DO NOWAIT 101 102 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 103 do l=1,llm 104 do j=jjb,jje 105 do i=1,iip1 106 dv(i,j,l)=dv(i,j,l)-rdamp(l)*(vcov(i,j,l)-vzon(j,l)) 107 enddo 108 enddo 109 enddo 110 c$OMP END DO NOWAIT 111 112 jjb=jj_begin 113 jje=jj_end 114 IF (pole_nord) jjb=jj_begin+1 115 IF (pole_sud) jje=jj_end-1 116 117 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 118 do l=1,llm 139 else 140 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 141 do l=1,llm 142 vzon(:,l)=0. 143 enddo 144 c$OMP END DO NOWAIT 145 endif ! of if (mode_top_bound.ge.2) 146 147 ! compute zonal average of u (or set it to zero) 148 if (mode_top_bound.ge.2) then 149 jjb=jj_begin 150 jje=jj_end 151 IF (pole_nord) jjb=jj_begin+1 152 IF (pole_sud) jje=jj_end-1 153 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 154 do l=1,llm 119 155 do j=jjb,jje 120 156 uzon(j,l)=0. … … 126 162 uzon(j,l)=uzon(j,l)/zm 127 163 enddo 128 enddo 129 c$OMP END DO NOWAIT 130 164 enddo 165 c$OMP END DO NOWAIT 166 else 167 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 168 do l=1,llm 169 uzon(:,l)=0. 170 enddo 171 c$OMP END DO NOWAIT 172 endif ! of if (mode_top_bound.ge.2) 173 174 ! compute zonal average of potential temperature, if necessary 175 if (mode_top_bound.ge.3) then 176 jjb=jj_begin 177 jje=jj_end 178 IF (pole_nord) jjb=jj_begin+1 179 IF (pole_sud) jje=jj_end-1 131 180 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 132 do l=1,llm181 do l=1,llm 133 182 do j=jjb,jje 134 183 zm=0. … … 140 189 tzon(j,l)=tzon(j,l)/zm 141 190 enddo 142 enddo 143 c$OMP END DO NOWAIT 144 145 C AMORTISSEMENTS LINEAIRES: 146 147 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 148 do l=1,llm 191 enddo 192 c$OMP END DO NOWAIT 193 endif ! of if (mode_top_bound.ge.3) 194 195 if (mode_top_bound.ge.1) then 196 ! Apply sponge quenching on vcov: 197 jjb=jj_begin 198 jje=jj_end 199 IF (pole_sud) jje=jj_end-1 200 201 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 202 do l=1,llm 149 203 do j=jjb,jje 150 204 do i=1,iip1 151 du(i,j,l)=du(i,j,l) 152 s -rdamp(l)*(ucov(i,j,l)-cu(i,j)*uzon(j,l)) 153 dh(i,j,l)=dh(i,j,l)-rdamp(l)*(teta(i,j,l)-tzon(j,l)) 154 enddo 155 enddo 156 enddo 157 c$OMP END DO NOWAIT 158 159 160 RETURN 205 vcov(i,j,l)=vcov(i,j,l) 206 & -rdamp(l)*(vcov(i,j,l)-vzon(j,l)) 207 enddo 208 enddo 209 enddo 210 c$OMP END DO NOWAIT 211 212 ! Apply sponge quenching on ucov: 213 jjb=jj_begin 214 jje=jj_end 215 IF (pole_nord) jjb=jj_begin+1 216 IF (pole_sud) jje=jj_end-1 217 218 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 219 do l=1,llm 220 do j=jjb,jje 221 do i=1,iip1 222 ucov(i,j,l)=ucov(i,j,l) 223 & -rdamp(l)*(ucov(i,j,l)-cu(i,j)*uzon(j,l)) 224 enddo 225 enddo 226 enddo 227 c$OMP END DO NOWAIT 228 endif ! of if (mode_top_bound.ge.1) 229 230 if (mode_top_bound.ge.3) then 231 ! Apply sponge quenching on teta: 232 jjb=jj_begin 233 jje=jj_end 234 IF (pole_nord) jjb=jj_begin+1 235 IF (pole_sud) jje=jj_end-1 236 237 c$OMP DO SCHEDULE(STATIC,OMP_CHUNK) 238 do l=1,llm 239 do j=jjb,jje 240 do i=1,iip1 241 teta(i,j,l)=teta(i,j,l) 242 & -rdamp(l)*(teta(i,j,l)-tzon(j,l)) 243 enddo 244 enddo 245 enddo 246 c$OMP END DO NOWAIT 247 endif ! of if (mode_top_bond.ge.3) 248 161 249 END
Note: See TracChangeset
for help on using the changeset viewer.