[3] | 1 | MODULE solmat |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE solmat *** |
---|
| 4 | !! solver : construction of the matrix |
---|
| 5 | !!====================================================================== |
---|
[1601] | 6 | !! History : 1.0 ! 1988-04 (G. Madec) Original code |
---|
| 7 | !! ! 1993-03 (M. Guyon) symetrical conditions |
---|
| 8 | !! ! 1993-06 (M. Guyon) suppress pointers |
---|
| 9 | !! ! 1996-05 (G. Madec) merge sor and pcg formulations |
---|
| 10 | !! ! 1996-11 (A. Weaver) correction to preconditioning |
---|
| 11 | !! NEMO 1.0 ! 1902-08 (G. Madec) F90: Free form |
---|
| 12 | !! - ! 1902-11 (C. Talandier, A-M. Treguier) Free surface & Open boundaries |
---|
| 13 | !! 2.0 ! 2005-09 (R. Benshila) add sol_exd for extra outer halo |
---|
| 14 | !! - ! 2005-11 (V. Garnier) Surface pressure gradient organization |
---|
| 15 | !! 3.2 ! 2009-06 (S. Masson) distributed restart using iom |
---|
| 16 | !! - ! 2009-07 (R. Benshila) suppression of rigid-lid option |
---|
[2528] | 17 | !! 3.3 ! 2010-09 (D. Storkey) update for BDY module. |
---|
[508] | 18 | !!---------------------------------------------------------------------- |
---|
[3] | 19 | |
---|
| 20 | !!---------------------------------------------------------------------- |
---|
[1601] | 21 | !! sol_mat : Construction of the matrix of used by the elliptic solvers |
---|
| 22 | !! sol_exd : |
---|
[3] | 23 | !!---------------------------------------------------------------------- |
---|
| 24 | USE oce ! ocean dynamics and active tracers |
---|
| 25 | USE dom_oce ! ocean space and time domain |
---|
| 26 | USE sol_oce ! ocean solver |
---|
| 27 | USE phycst ! physical constants |
---|
| 28 | USE obc_oce ! ocean open boundary conditions |
---|
[2528] | 29 | USE bdy_oce ! unstructured open boundary conditions |
---|
[312] | 30 | USE lbclnk ! lateral boudary conditions |
---|
[3] | 31 | USE lib_mpp ! distributed memory computing |
---|
[413] | 32 | USE in_out_manager ! I/O manager |
---|
[3] | 33 | |
---|
| 34 | IMPLICIT NONE |
---|
| 35 | PRIVATE |
---|
| 36 | |
---|
[1601] | 37 | PUBLIC sol_mat ! routine called by inisol.F90 |
---|
| 38 | |
---|
[3211] | 39 | !! * Control permutation of array indices |
---|
| 40 | # include "oce_ftrans.h90" |
---|
| 41 | # include "dom_oce_ftrans.h90" |
---|
| 42 | # include "obc_oce_ftrans.h90" |
---|
| 43 | |
---|
[3] | 44 | !!---------------------------------------------------------------------- |
---|
[2528] | 45 | !! NEMO/OPA 3.3 , NEMO Consortium (2010) |
---|
[1152] | 46 | !! $Id$ |
---|
[2715] | 47 | !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) |
---|
[3] | 48 | !!---------------------------------------------------------------------- |
---|
| 49 | CONTAINS |
---|
| 50 | |
---|
[413] | 51 | SUBROUTINE sol_mat( kt ) |
---|
[3] | 52 | !!---------------------------------------------------------------------- |
---|
| 53 | !! *** ROUTINE sol_mat *** |
---|
| 54 | !! |
---|
| 55 | !! ** Purpose : Construction of the matrix of used by the elliptic |
---|
[1601] | 56 | !! solvers (either sor or pcg methods). |
---|
[3] | 57 | !! |
---|
[1601] | 58 | !! ** Method : The matrix is built for the divergence of the transport |
---|
| 59 | !! system. a diagonal preconditioning matrix is also defined. |
---|
[3] | 60 | !! |
---|
| 61 | !! ** Action : - gcp : extra-diagonal elements of the matrix |
---|
| 62 | !! - gcdmat : preconditioning matrix (diagonal elements) |
---|
| 63 | !! - gcdprc : inverse of the preconditioning matrix |
---|
| 64 | !!---------------------------------------------------------------------- |
---|
[413] | 65 | INTEGER, INTENT(in) :: kt |
---|
[1601] | 66 | !! |
---|
[3] | 67 | INTEGER :: ji, jj ! dummy loop indices |
---|
| 68 | REAL(wp) :: zcoefs, zcoefw, zcoefe, zcoefn ! temporary scalars |
---|
[16] | 69 | REAL(wp) :: z2dt, zcoef |
---|
[3] | 70 | !!---------------------------------------------------------------------- |
---|
| 71 | |
---|
| 72 | |
---|
| 73 | ! 1. Construction of the matrix |
---|
| 74 | ! ----------------------------- |
---|
[1601] | 75 | zcoef = 0.e0 ! initialize to zero |
---|
[3] | 76 | gcp(:,:,1) = 0.e0 |
---|
| 77 | gcp(:,:,2) = 0.e0 |
---|
| 78 | gcp(:,:,3) = 0.e0 |
---|
| 79 | gcp(:,:,4) = 0.e0 |
---|
[1601] | 80 | ! |
---|
[3] | 81 | gcdprc(:,:) = 0.e0 |
---|
| 82 | gcdmat(:,:) = 0.e0 |
---|
[1601] | 83 | ! |
---|
| 84 | IF( neuler == 0 .AND. kt == nit000 ) THEN ; z2dt = rdt |
---|
| 85 | ELSE ; z2dt = 2. * rdt |
---|
[413] | 86 | ENDIF |
---|
[3] | 87 | |
---|
[2528] | 88 | #if defined key_dynspg_flt && ! defined key_bdy |
---|
[2031] | 89 | # if ! defined key_obc |
---|
[3] | 90 | |
---|
[1601] | 91 | DO jj = 2, jpjm1 ! matrix of free surface elliptic system |
---|
[3] | 92 | DO ji = 2, jpim1 |
---|
[1601] | 93 | zcoef = z2dt * z2dt * grav * bmask(ji,jj) |
---|
[3] | 94 | zcoefs = -zcoef * hv(ji ,jj-1) * e1v(ji ,jj-1) / e2v(ji ,jj-1) ! south coefficient |
---|
| 95 | zcoefw = -zcoef * hu(ji-1,jj ) * e2u(ji-1,jj ) / e1u(ji-1,jj ) ! west coefficient |
---|
| 96 | zcoefe = -zcoef * hu(ji ,jj ) * e2u(ji ,jj ) / e1u(ji ,jj ) ! east coefficient |
---|
| 97 | zcoefn = -zcoef * hv(ji ,jj ) * e1v(ji ,jj ) / e2v(ji ,jj ) ! north coefficient |
---|
| 98 | gcp(ji,jj,1) = zcoefs |
---|
| 99 | gcp(ji,jj,2) = zcoefw |
---|
| 100 | gcp(ji,jj,3) = zcoefe |
---|
| 101 | gcp(ji,jj,4) = zcoefn |
---|
| 102 | gcdmat(ji,jj) = e1t(ji,jj) * e2t(ji,jj) * bmask(ji,jj) & ! diagonal coefficient |
---|
[16] | 103 | & - zcoefs -zcoefw -zcoefe -zcoefn |
---|
[3] | 104 | END DO |
---|
| 105 | END DO |
---|
[2031] | 106 | # else |
---|
| 107 | IF ( Agrif_Root() ) THEN |
---|
| 108 | DO jj = 2, jpjm1 ! matrix of free surface elliptic system with open boundaries |
---|
| 109 | DO ji = 2, jpim1 |
---|
| 110 | zcoef = z2dt * z2dt * grav * bmask(ji,jj) |
---|
| 111 | ! ! south coefficient |
---|
| 112 | IF( lp_obc_south .AND. ( jj == njs0p1 ) ) THEN |
---|
| 113 | zcoefs = -zcoef * hv(ji,jj-1) * e1v(ji,jj-1)/e2v(ji,jj-1)*(1.-vsmsk(ji,1)) |
---|
| 114 | ELSE |
---|
| 115 | zcoefs = -zcoef * hv(ji,jj-1) * e1v(ji,jj-1)/e2v(ji,jj-1) |
---|
| 116 | END IF |
---|
| 117 | gcp(ji,jj,1) = zcoefs |
---|
| 118 | ! |
---|
| 119 | ! ! west coefficient |
---|
| 120 | IF( lp_obc_west .AND. ( ji == niw0p1 ) ) THEN |
---|
| 121 | zcoefw = -zcoef * hu(ji-1,jj) * e2u(ji-1,jj)/e1u(ji-1,jj)*(1.-uwmsk(jj,1)) |
---|
| 122 | ELSE |
---|
| 123 | zcoefw = -zcoef * hu(ji-1,jj) * e2u(ji-1,jj)/e1u(ji-1,jj) |
---|
| 124 | END IF |
---|
| 125 | gcp(ji,jj,2) = zcoefw |
---|
| 126 | ! |
---|
| 127 | ! ! east coefficient |
---|
| 128 | IF( lp_obc_east .AND. ( ji == nie0 ) ) THEN |
---|
| 129 | zcoefe = -zcoef * hu(ji,jj) * e2u(ji,jj)/e1u(ji,jj)*(1.-uemsk(jj,1)) |
---|
| 130 | ELSE |
---|
| 131 | zcoefe = -zcoef * hu(ji,jj) * e2u(ji,jj)/e1u(ji,jj) |
---|
| 132 | END IF |
---|
| 133 | gcp(ji,jj,3) = zcoefe |
---|
| 134 | ! |
---|
| 135 | ! ! north coefficient |
---|
| 136 | IF( lp_obc_north .AND. ( jj == njn0 ) ) THEN |
---|
| 137 | zcoefn = -zcoef * hv(ji,jj) * e1v(ji,jj)/e2v(ji,jj)*(1.-vnmsk(ji,1)) |
---|
| 138 | ELSE |
---|
[3] | 139 | zcoefn = -zcoef * hv(ji,jj) * e1v(ji,jj)/e2v(ji,jj) |
---|
[2031] | 140 | END IF |
---|
| 141 | gcp(ji,jj,4) = zcoefn |
---|
| 142 | ! |
---|
| 143 | ! ! diagonal coefficient |
---|
| 144 | gcdmat(ji,jj) = e1t(ji,jj)*e2t(ji,jj)*bmask(ji,jj) & |
---|
| 145 | & - zcoefs -zcoefw -zcoefe -zcoefn |
---|
[3] | 146 | END DO |
---|
[2031] | 147 | END DO |
---|
| 148 | ELSE |
---|
| 149 | DO jj = 2, jpjm1 ! matrix of free surface elliptic system |
---|
| 150 | DO ji = 2, jpim1 |
---|
| 151 | zcoef = z2dt * z2dt * grav * bmask(ji,jj) |
---|
| 152 | zcoefs = -zcoef * hv(ji ,jj-1) * e1v(ji ,jj-1) / e2v(ji ,jj-1) ! south coefficient |
---|
| 153 | zcoefw = -zcoef * hu(ji-1,jj ) * e2u(ji-1,jj ) / e1u(ji-1,jj ) ! west coefficient |
---|
| 154 | zcoefe = -zcoef * hu(ji ,jj ) * e2u(ji ,jj ) / e1u(ji ,jj ) ! east coefficient |
---|
| 155 | zcoefn = -zcoef * hv(ji ,jj ) * e1v(ji ,jj ) / e2v(ji ,jj ) ! north coefficient |
---|
| 156 | gcp(ji,jj,1) = zcoefs |
---|
| 157 | gcp(ji,jj,2) = zcoefw |
---|
| 158 | gcp(ji,jj,3) = zcoefe |
---|
| 159 | gcp(ji,jj,4) = zcoefn |
---|
| 160 | gcdmat(ji,jj) = e1t(ji,jj) * e2t(ji,jj) * bmask(ji,jj) & ! diagonal coefficient |
---|
| 161 | & - zcoefs -zcoefw -zcoefe -zcoefn |
---|
| 162 | END DO |
---|
| 163 | END DO |
---|
| 164 | ENDIF |
---|
| 165 | # endif |
---|
[2528] | 166 | |
---|
| 167 | # elif defined key_dynspg_flt && defined key_bdy |
---|
| 168 | |
---|
| 169 | ! defined gcdmat in the case of unstructured open boundaries |
---|
| 170 | DO jj = 2, jpjm1 |
---|
| 171 | DO ji = 2, jpim1 |
---|
| 172 | zcoef = z2dt * z2dt * grav * bmask(ji,jj) |
---|
| 173 | |
---|
| 174 | ! south coefficient |
---|
| 175 | zcoefs = -zcoef * hv(ji,jj-1) * e1v(ji,jj-1)/e2v(ji,jj-1) |
---|
| 176 | zcoefs = zcoefs * bdyvmask(ji,jj-1) |
---|
| 177 | gcp(ji,jj,1) = zcoefs |
---|
| 178 | |
---|
| 179 | ! west coefficient |
---|
| 180 | zcoefw = -zcoef * hu(ji-1,jj) * e2u(ji-1,jj)/e1u(ji-1,jj) |
---|
| 181 | zcoefw = zcoefw * bdyumask(ji-1,jj) |
---|
| 182 | gcp(ji,jj,2) = zcoefw |
---|
| 183 | |
---|
| 184 | ! east coefficient |
---|
| 185 | zcoefe = -zcoef * hu(ji,jj) * e2u(ji,jj)/e1u(ji,jj) |
---|
| 186 | zcoefe = zcoefe * bdyumask(ji,jj) |
---|
| 187 | gcp(ji,jj,3) = zcoefe |
---|
| 188 | |
---|
| 189 | ! north coefficient |
---|
| 190 | zcoefn = -zcoef * hv(ji,jj) * e1v(ji,jj)/e2v(ji,jj) |
---|
| 191 | zcoefn = zcoefn * bdyvmask(ji,jj) |
---|
| 192 | gcp(ji,jj,4) = zcoefn |
---|
| 193 | |
---|
| 194 | ! diagonal coefficient |
---|
| 195 | gcdmat(ji,jj) = e1t(ji,jj)*e2t(ji,jj)*bmask(ji,jj) & |
---|
| 196 | - zcoefs -zcoefw -zcoefe -zcoefn |
---|
| 197 | END DO |
---|
| 198 | END DO |
---|
| 199 | |
---|
[1601] | 200 | #endif |
---|
[3] | 201 | |
---|
[2031] | 202 | IF( .NOT. Agrif_Root() ) THEN |
---|
[1601] | 203 | ! |
---|
| 204 | IF( nbondi == -1 .OR. nbondi == 2 ) bmask(2 ,: ) = 0.e0 |
---|
| 205 | IF( nbondi == 1 .OR. nbondi == 2 ) bmask(nlci-1,: ) = 0.e0 |
---|
| 206 | IF( nbondj == -1 .OR. nbondj == 2 ) bmask(: ,2 ) = 0.e0 |
---|
| 207 | IF( nbondj == 1 .OR. nbondj == 2 ) bmask(: ,nlcj-1) = 0.e0 |
---|
| 208 | ! |
---|
| 209 | DO jj = 2, jpjm1 |
---|
| 210 | DO ji = 2, jpim1 |
---|
| 211 | zcoef = z2dt * z2dt * grav * bmask(ji,jj) |
---|
| 212 | ! south coefficient |
---|
| 213 | IF( ( nbondj == -1 .OR. nbondj == 2 ) .AND. ( jj == 3 ) ) THEN |
---|
[3211] | 214 | #if defined key_z_first |
---|
| 215 | zcoefs = -zcoef * hv(ji,jj-1) * e1v(ji,jj-1)/e2v(ji,jj-1)*(1.-vmask_1(ji,jj-1)) |
---|
| 216 | #else |
---|
[1601] | 217 | zcoefs = -zcoef * hv(ji,jj-1) * e1v(ji,jj-1)/e2v(ji,jj-1)*(1.-vmask(ji,jj-1,1)) |
---|
[3211] | 218 | #endif |
---|
[1601] | 219 | ELSE |
---|
| 220 | zcoefs = -zcoef * hv(ji,jj-1) * e1v(ji,jj-1)/e2v(ji,jj-1) |
---|
| 221 | END IF |
---|
| 222 | gcp(ji,jj,1) = zcoefs |
---|
| 223 | ! |
---|
| 224 | ! west coefficient |
---|
| 225 | IF( ( nbondi == -1 .OR. nbondi == 2 ) .AND. ( ji == 3 ) ) THEN |
---|
| 226 | zcoefw = -zcoef * hu(ji-1,jj) * e2u(ji-1,jj)/e1u(ji-1,jj)*(1.-umask(ji-1,jj,1)) |
---|
| 227 | ELSE |
---|
| 228 | zcoefw = -zcoef * hu(ji-1,jj) * e2u(ji-1,jj)/e1u(ji-1,jj) |
---|
| 229 | END IF |
---|
| 230 | gcp(ji,jj,2) = zcoefw |
---|
| 231 | ! |
---|
| 232 | ! east coefficient |
---|
| 233 | IF( ( nbondi == 1 .OR. nbondi == 2 ) .AND. ( ji == nlci-2 ) ) THEN |
---|
[3211] | 234 | #if defined key_z_first |
---|
| 235 | zcoefe = -zcoef * hu(ji,jj) * e2u(ji,jj)/e1u(ji,jj)*(1.-umask_1(ji,jj)) |
---|
| 236 | #else |
---|
[1601] | 237 | zcoefe = -zcoef * hu(ji,jj) * e2u(ji,jj)/e1u(ji,jj)*(1.-umask(ji,jj,1)) |
---|
[3211] | 238 | #endif |
---|
[1601] | 239 | ELSE |
---|
| 240 | zcoefe = -zcoef * hu(ji,jj) * e2u(ji,jj)/e1u(ji,jj) |
---|
| 241 | END IF |
---|
| 242 | gcp(ji,jj,3) = zcoefe |
---|
| 243 | ! |
---|
| 244 | ! north coefficient |
---|
| 245 | IF( ( nbondj == 1 .OR. nbondj == 2 ) .AND. ( jj == nlcj-2 ) ) THEN |
---|
[3211] | 246 | #if defined key_z_first |
---|
| 247 | zcoefn = -zcoef * hv(ji,jj) * e1v(ji,jj)/e2v(ji,jj)*(1.-vmask_1(ji,jj)) |
---|
| 248 | #else |
---|
[1601] | 249 | zcoefn = -zcoef * hv(ji,jj) * e1v(ji,jj)/e2v(ji,jj)*(1.-vmask(ji,jj,1)) |
---|
[3211] | 250 | #endif |
---|
[1601] | 251 | ELSE |
---|
| 252 | zcoefn = -zcoef * hv(ji,jj) * e1v(ji,jj)/e2v(ji,jj) |
---|
| 253 | END IF |
---|
| 254 | gcp(ji,jj,4) = zcoefn |
---|
| 255 | ! |
---|
| 256 | ! diagonal coefficient |
---|
| 257 | gcdmat(ji,jj) = e1t(ji,jj)*e2t(ji,jj)*bmask(ji,jj) & |
---|
| 258 | & - zcoefs -zcoefw -zcoefe -zcoefn |
---|
| 259 | END DO |
---|
[389] | 260 | END DO |
---|
[1601] | 261 | ! |
---|
| 262 | ENDIF |
---|
[389] | 263 | |
---|
[3] | 264 | ! 2. Boundary conditions |
---|
| 265 | ! ---------------------- |
---|
| 266 | |
---|
| 267 | ! Cyclic east-west boundary conditions |
---|
| 268 | ! ji=2 is the column east of ji=jpim1 and reciprocally, |
---|
| 269 | ! ji=jpim1 is the column west of ji=2 |
---|
| 270 | ! all the coef are already set to zero as bmask is initialized to |
---|
| 271 | ! zero for ji=1 and ji=jpj in dommsk. |
---|
| 272 | |
---|
| 273 | ! Symetrical conditions |
---|
| 274 | ! free surface: no specific action |
---|
| 275 | ! bsf system: n-s gradient of bsf = 0 along j=2 (perhaps a bug !!!!!!) |
---|
| 276 | ! the diagonal coefficient of the southern grid points must be modify to |
---|
| 277 | ! account for the existence of the south symmetric bassin. |
---|
| 278 | |
---|
| 279 | ! North fold boundary condition |
---|
| 280 | ! all the coef are already set to zero as bmask is initialized to |
---|
| 281 | ! zero on duplicated lignes and portion of lignes |
---|
| 282 | |
---|
| 283 | ! 3. Preconditioned matrix |
---|
| 284 | ! ------------------------ |
---|
| 285 | |
---|
[1556] | 286 | ! SOR and PCG solvers |
---|
| 287 | DO jj = 1, jpj |
---|
| 288 | DO ji = 1, jpi |
---|
| 289 | IF( bmask(ji,jj) /= 0.e0 ) gcdprc(ji,jj) = 1.e0 / gcdmat(ji,jj) |
---|
[3] | 290 | END DO |
---|
[1556] | 291 | END DO |
---|
[3] | 292 | |
---|
[1556] | 293 | gcp(:,:,1) = gcp(:,:,1) * gcdprc(:,:) |
---|
| 294 | gcp(:,:,2) = gcp(:,:,2) * gcdprc(:,:) |
---|
| 295 | gcp(:,:,3) = gcp(:,:,3) * gcdprc(:,:) |
---|
| 296 | gcp(:,:,4) = gcp(:,:,4) * gcdprc(:,:) |
---|
[1601] | 297 | IF( nn_solv == 2 ) gccd(:,:) = rn_sor * gcp(:,:,2) |
---|
[3] | 298 | |
---|
[1601] | 299 | IF( nn_solv == 2 .AND. MAX( jpr2di, jpr2dj ) > 0) THEN |
---|
[1556] | 300 | CALL lbc_lnk_e( gcp (:,:,1), c_solver_pt, 1. ) ! lateral boundary conditions |
---|
| 301 | CALL lbc_lnk_e( gcp (:,:,2), c_solver_pt, 1. ) ! lateral boundary conditions |
---|
| 302 | CALL lbc_lnk_e( gcp (:,:,3), c_solver_pt, 1. ) ! lateral boundary conditions |
---|
| 303 | CALL lbc_lnk_e( gcp (:,:,4), c_solver_pt, 1. ) ! lateral boundary conditions |
---|
| 304 | CALL lbc_lnk_e( gcdprc(:,:) , c_solver_pt, 1. ) ! lateral boundary conditions |
---|
| 305 | CALL lbc_lnk_e( gcdmat(:,:) , c_solver_pt, 1. ) ! lateral boundary conditions |
---|
| 306 | IF( npolj /= 0 ) CALL sol_exd( gcp , c_solver_pt ) ! switch northernelements |
---|
| 307 | END IF |
---|
| 308 | |
---|
[3] | 309 | ! 4. Initialization the arrays used in pcg |
---|
| 310 | ! ---------------------------------------- |
---|
| 311 | gcb (:,:) = 0.e0 |
---|
| 312 | gcr (:,:) = 0.e0 |
---|
| 313 | gcdes(:,:) = 0.e0 |
---|
| 314 | gccd (:,:) = 0.e0 |
---|
[1556] | 315 | ! |
---|
[3] | 316 | END SUBROUTINE sol_mat |
---|
| 317 | |
---|
[312] | 318 | |
---|
| 319 | SUBROUTINE sol_exd( pt3d, cd_type ) |
---|
| 320 | !!---------------------------------------------------------------------- |
---|
| 321 | !! *** routine sol_exd *** |
---|
| 322 | !! |
---|
| 323 | !! ** Purpose : Reorder gcb coefficient on the extra outer halo |
---|
| 324 | !! at north fold in case of T or F pivot |
---|
| 325 | !! |
---|
| 326 | !! ** Method : Perform a circular permutation of the coefficients on |
---|
| 327 | !! the total area strictly above the pivot point, |
---|
| 328 | !! and on the semi-row of the pivot point |
---|
| 329 | !!---------------------------------------------------------------------- |
---|
[1601] | 330 | CHARACTER(len=1) , INTENT( in ) :: cd_type ! define the nature of pt2d array grid-points |
---|
| 331 | ! ! = T , U , V , F , W |
---|
| 332 | ! ! = S : T-point, north fold treatment |
---|
| 333 | ! ! = G : F-point, north fold treatment |
---|
| 334 | ! ! = I : sea-ice velocity at F-point with index shift |
---|
| 335 | REAL(wp), DIMENSION(1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj,4), INTENT(inout) :: pt3d ! 2D field to be treated |
---|
| 336 | !! |
---|
| 337 | INTEGER :: ji, jk ! dummy loop indices |
---|
[2715] | 338 | INTEGER :: iloc ! local integers |
---|
| 339 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: ztab ! workspace allocated one for all |
---|
[312] | 340 | !!---------------------------------------------------------------------- |
---|
| 341 | |
---|
[2715] | 342 | IF( .NOT. ALLOCATED( ztab ) ) THEN |
---|
| 343 | ALLOCATE( ztab(1-jpr2di:jpi+jpr2di,1-jpr2dj:jpj+jpr2dj,4), STAT=iloc ) |
---|
| 344 | IF( lk_mpp ) CALL mpp_sum ( iloc ) |
---|
| 345 | IF( iloc /= 0 ) CALL ctl_stop('STOP', 'sol_exd: failed to allocate array') |
---|
| 346 | ENDIF |
---|
| 347 | |
---|
[312] | 348 | ztab = pt3d |
---|
| 349 | |
---|
[1601] | 350 | SELECT CASE ( npolj ) ! north fold type |
---|
| 351 | ! |
---|
| 352 | CASE ( 3 , 4 ) !== T pivot ==! |
---|
[312] | 353 | iloc = jpiglo/2 +1 |
---|
[1601] | 354 | ! |
---|
| 355 | SELECT CASE ( cd_type ) |
---|
| 356 | ! |
---|
[2528] | 357 | CASE ( 'T' , 'U', 'W' ) |
---|
[1601] | 358 | DO jk = 1, 4 |
---|
| 359 | DO ji = 1-jpr2di, nlci+jpr2di |
---|
| 360 | pt3d(ji,nlcj:nlcj+jpr2dj,jk) = ztab(ji,nlcj:nlcj+jpr2dj,jk+3-2*MOD(jk+3,4)) |
---|
| 361 | END DO |
---|
| 362 | END DO |
---|
| 363 | DO jk =1, 4 |
---|
| 364 | DO ji = nlci+jpr2di, 1-jpr2di, -1 |
---|
| 365 | IF( ( ji .LT. mi0(iloc) .AND. mi0(iloc) /= 1 ) & |
---|
| 366 | & .OR. ( mi0(iloc) == jpi+1 ) ) EXIT |
---|
[312] | 367 | pt3d(ji,nlcj-1,jk) = ztab(ji,nlcj-1,jk+3-2*MOD(jk+3,4)) |
---|
[1601] | 368 | END DO |
---|
| 369 | END DO |
---|
| 370 | ! |
---|
[2528] | 371 | CASE ( 'F' , 'I', 'V' ) |
---|
[1601] | 372 | DO jk =1, 4 |
---|
| 373 | DO ji = 1-jpr2di, nlci+jpr2di |
---|
| 374 | pt3d(ji,nlcj-1:nlcj+jpr2dj,jk) = ztab(ji,nlcj-1:nlcj+jpr2dj,jk+3-2*MOD(jk+3,4)) |
---|
| 375 | END DO |
---|
| 376 | END DO |
---|
| 377 | ! |
---|
| 378 | END SELECT ! cd_type |
---|
| 379 | ! |
---|
| 380 | CASE ( 5 , 6 ) !== F pivot ==! |
---|
| 381 | iloc=jpiglo/2 |
---|
| 382 | ! |
---|
| 383 | SELECT CASE (cd_type ) |
---|
| 384 | ! |
---|
[2528] | 385 | CASE ( 'T' , 'U', 'W') |
---|
[1601] | 386 | DO jk =1, 4 |
---|
| 387 | DO ji = 1-jpr2di, nlci+jpr2di |
---|
| 388 | pt3d(ji,nlcj:nlcj+jpr2dj,jk) = ztab(ji,nlcj:nlcj+jpr2dj,jk+3-2*MOD(jk+3,4)) |
---|
| 389 | END DO |
---|
| 390 | END DO |
---|
| 391 | ! |
---|
[2528] | 392 | CASE ( 'F' , 'I', 'V' ) |
---|
[1601] | 393 | DO jk =1, 4 |
---|
| 394 | DO ji = 1-jpr2di, nlci+jpr2di |
---|
| 395 | pt3d(ji,nlcj:nlcj+jpr2dj,jk) = ztab(ji,nlcj:nlcj+jpr2dj,jk+3-2*MOD(jk+3,4)) |
---|
| 396 | END DO |
---|
| 397 | END DO |
---|
| 398 | DO jk =1, 4 |
---|
| 399 | DO ji = nlci+jpr2di, 1-jpr2di, -1 |
---|
| 400 | IF( ( ji .LT. mi0(iloc) .AND. mi0(iloc) /= 1 ) .OR. ( mi0(iloc) == jpi+1 ) ) EXIT |
---|
[312] | 401 | pt3d(ji,nlcj-1,jk) = ztab(ji,nlcj-1,jk+3-2*MOD(jk+3,4)) |
---|
[1601] | 402 | END DO |
---|
| 403 | END DO |
---|
| 404 | ! |
---|
| 405 | END SELECT ! cd_type |
---|
| 406 | ! |
---|
| 407 | END SELECT ! npolj |
---|
[1556] | 408 | ! |
---|
[312] | 409 | END SUBROUTINE sol_exd |
---|
| 410 | |
---|
[3] | 411 | !!====================================================================== |
---|
| 412 | END MODULE solmat |
---|