| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_vel_solve.F,v 1.12 2016/07/13 09:32:45 dgoldberg Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "STREAMICE_OPTIONS.h" |
| 5 |
#ifdef ALLOW_AUTODIFF |
| 6 |
# include "AUTODIFF_OPTIONS.h" |
| 7 |
#endif |
| 8 |
|
| 9 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 10 |
|
| 11 |
CBOP |
| 12 |
SUBROUTINE STREAMICE_VEL_SOLVE( myThid, maxNLIter, maxCGiter, |
| 13 |
& myiter ) |
| 14 |
C /============================================================\ |
| 15 |
C | SUBROUTINE | |
| 16 |
C | o | |
| 17 |
C |============================================================| |
| 18 |
C | | |
| 19 |
C \============================================================/ |
| 20 |
IMPLICIT NONE |
| 21 |
|
| 22 |
C === Global variables === |
| 23 |
#include "SIZE.h" |
| 24 |
#include "EEPARAMS.h" |
| 25 |
#include "PARAMS.h" |
| 26 |
#include "STREAMICE.h" |
| 27 |
#include "STREAMICE_CG.h" |
| 28 |
|
| 29 |
|
| 30 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 31 |
# include "tamc.h" |
| 32 |
#endif |
| 33 |
|
| 34 |
C !INPUT/OUTPUT ARGUMENTS |
| 35 |
INTEGER myThid |
| 36 |
INTEGER maxNLIter |
| 37 |
INTEGER maxCGIter |
| 38 |
INTEGER myIter |
| 39 |
|
| 40 |
#ifdef ALLOW_STREAMICE |
| 41 |
|
| 42 |
C LOCAL VARIABLES |
| 43 |
|
| 44 |
! real, dimension(:,:), pointer :: TAUDX, TAUDY, u_prev_iterate, v_prev_iterate, & |
| 45 |
! u_bdry_cont, v_bdry_cont, Au, Av, err_u, err_v, & |
| 46 |
! geolonq, geolatq, u_last, v_last, float_cond, H_node |
| 47 |
! type(ocean_grid_type), pointer :: G |
| 48 |
! integer :: conv_flag, i, j, k,l, iter, isym, & |
| 49 |
! isdq, iedq, jsdq, jedq, isd, ied, jsd, jed, isumstart, jsumstart, nodefloat, nsub |
| 50 |
! real :: err_max, err_tempu, err_tempv, err_init, area, max_vel, tempu, tempv, rhoi, rhow |
| 51 |
|
| 52 |
INTEGER i, j, k, l, iter, cg_iters, bi, bj |
| 53 |
INTEGER iter_numconv |
| 54 |
INTEGER ikey_nl, myThidTemp |
| 55 |
_RL err_max, err_tempu, err_tempv, err_init, area, err_max_fp |
| 56 |
_RL max_vel, tempu, tempv, err_lastchange, cgtol |
| 57 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 58 |
LOGICAL CONVERGED |
| 59 |
|
| 60 |
! _RL taudx (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 61 |
! _RL taudy (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 62 |
|
| 63 |
IF (STREAMICE_alt_driving_stress) THEN |
| 64 |
CALL STREAMICE_DRIVING_STRESS_FD (myThid) |
| 65 |
ELSEIF (STREAMICE_ppm_driving_stress) THEN |
| 66 |
CALL STREAMICE_DRIVING_STRESS_PPM (myThid) |
| 67 |
ELSE |
| 68 |
CALL STREAMICE_DRIVING_STRESS (myThid) |
| 69 |
ENDIF |
| 70 |
|
| 71 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 72 |
#ifdef STREAMICE_STRESS_BOUNDARY_CONTROL |
| 73 |
!$TAF STORE taudx_SI = comlev1, key=ikey_dynamics |
| 74 |
!$TAF STORE taudy_SI = comlev1, key=ikey_dynamics |
| 75 |
#endif |
| 76 |
#endif |
| 77 |
|
| 78 |
#ifdef STREAMICE_STRESS_BOUNDARY_CONTROL |
| 79 |
_EXCH_XY_RL( taudx_SI , myThid ) |
| 80 |
_EXCH_XY_RL( taudy_SI , myThid ) |
| 81 |
CALL STREAMICE_FORCED_BUTTRESS (myThid) |
| 82 |
#endif |
| 83 |
|
| 84 |
CALL TIMER_START ('STREAMICE_VEL_SOLVE',myThid) |
| 85 |
|
| 86 |
cgtol = streamice_cg_tol |
| 87 |
CONVERGED = .false. |
| 88 |
err_max = 0. |
| 89 |
err_max_fp = 0. |
| 90 |
|
| 91 |
_EXCH_XY_RL( taudx_SI , myThid ) |
| 92 |
_EXCH_XY_RL( taudy_SI , myThid ) |
| 93 |
|
| 94 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 95 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 96 |
DO j=1-OLy,sNy+OLy |
| 97 |
DO i=1-OLx,sNx+OLx |
| 98 |
u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) |
| 99 |
v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) |
| 100 |
ENDDO |
| 101 |
ENDDO |
| 102 |
ENDDO |
| 103 |
ENDDO |
| 104 |
|
| 105 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 106 |
!$TAF STORE U_streamice = comlev1, key=ikey_dynamics |
| 107 |
!$TAF STORE V_streamice = comlev1, key=ikey_dynamics |
| 108 |
#ifdef STREAMICE_HYBRID_STRESS |
| 109 |
!$TAF STORE streamice_taubx = comlev1, key=ikey_dynamics |
| 110 |
!$TAF STORE streamice_tauby = comlev1, key=ikey_dynamics |
| 111 |
!$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics |
| 112 |
#endif |
| 113 |
#endif |
| 114 |
|
| 115 |
#ifdef STREAMICE_HYBRID_STRESS |
| 116 |
CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
| 117 |
#else |
| 118 |
CALL STREAMICE_VISC_BETA ( myThid ) |
| 119 |
#endif |
| 120 |
|
| 121 |
#ifdef STREAMICE_HYBRID_STRESS |
| 122 |
!$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics |
| 123 |
#endif |
| 124 |
|
| 125 |
_EXCH_XY_RL( tau_beta_eff_streamice , myThid ) |
| 126 |
_EXCH_XY_RL( visc_streamice , myThid ) |
| 127 |
|
| 128 |
! to stop ifort complaining |
| 129 |
err_init = 0. _d 0 |
| 130 |
|
| 131 |
if (STREAMICE_chkresidconvergence .or. |
| 132 |
& (streamice_maxnliter_cpl.eq.0 .and. myIter.eq.0)) then |
| 133 |
|
| 134 |
|
| 135 |
CALL STREAMICE_GET_VEL_RESID_ERR ( err_init, myThid ) |
| 136 |
|
| 137 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 138 |
!$TAF STORE err_init = comlev1, key=ikey_dynamics |
| 139 |
#endif |
| 140 |
|
| 141 |
WRITE(msgBuf,'(A,E15.7)') 'initial nonlinear resid (error): ', |
| 142 |
& err_init |
| 143 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 144 |
& SQUEEZE_RIGHT , 1) |
| 145 |
|
| 146 |
endif !STREAMICE_chkresidconvergence |
| 147 |
|
| 148 |
iter_numconv = 0 |
| 149 |
err_max = err_init |
| 150 |
err_max_fp = streamice_nonlin_tol_fp * 10. |
| 151 |
err_lastchange = err_init |
| 152 |
|
| 153 |
C START NL ITER. LOOP |
| 154 |
C------------------------------------------------------------------- |
| 155 |
|
| 156 |
DO iter=1,maxNLIter |
| 157 |
|
| 158 |
|
| 159 |
C To avoid using "exit", loop goes through all iterations |
| 160 |
C but after convergence loop does nothing |
| 161 |
|
| 162 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 163 |
ikey_nl = (ikey_dynamics-1)*streamice_max_nl + iter |
| 164 |
#endif |
| 165 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 166 |
!$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl |
| 167 |
!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
| 168 |
!$TAF STORE err_max_fp = comlev1_stream_nl, key=ikey_nl |
| 169 |
!$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl |
| 170 |
!$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl |
| 171 |
!$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl |
| 172 |
!$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl |
| 173 |
!$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl |
| 174 |
!$TAF STORE u_old_si = comlev1_stream_nl, key=ikey_nl |
| 175 |
!$TAF STORE v_old_si = comlev1_stream_nl, key=ikey_nl |
| 176 |
!$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl |
| 177 |
!$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl |
| 178 |
!$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl |
| 179 |
!$TAF STORE streamice_cg_a4 = comlev1_stream_nl, key=ikey_nl |
| 180 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
| 181 |
!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
| 182 |
!$TAF STORE tau_beta_eff_streamice = comlev1_stream_nl, key=ikey_nl |
| 183 |
!$TAF STORE visc_streamice = comlev1_stream_nl, key=ikey_nl |
| 184 |
!$TAF STORE zu_old_si = comlev1_stream_nl, key=ikey_nl |
| 185 |
!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
| 186 |
#endif |
| 187 |
|
| 188 |
! IF ((err_max .GT. streamice_nonlin_tol * err_init) .and. |
| 189 |
! & (err_max_fp .GT. streamice_nonlin_tol_fp)) THEN |
| 190 |
|
| 191 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 192 |
!$TAF STORE CONVERGED = comlev1_stream_nl, key=ikey_nl |
| 193 |
#endif |
| 194 |
|
| 195 |
IF (.not.CONVERGED) THEN |
| 196 |
|
| 197 |
iter_numconv = iter_numconv + 1 |
| 198 |
|
| 199 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 200 |
!$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl |
| 201 |
!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
| 202 |
!$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl |
| 203 |
!$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl |
| 204 |
!$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl |
| 205 |
!$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl |
| 206 |
!$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl |
| 207 |
!$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl |
| 208 |
!$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl |
| 209 |
!$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl |
| 210 |
!$TAF STORE streamice_cg_a4 = comlev1_stream_nl, key=ikey_nl |
| 211 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
| 212 |
!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
| 213 |
!$TAF STORE tau_beta_eff_streamice = comlev1_stream_nl, key=ikey_nl |
| 214 |
!$TAF STORE visc_streamice = comlev1_stream_nl, key=ikey_nl |
| 215 |
!$TAF STORE zu_old_si = comlev1_stream_nl, key=ikey_nl |
| 216 |
!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
| 217 |
#endif |
| 218 |
|
| 219 |
CALL STREAMICE_CG_WRAPPER( |
| 220 |
& U_streamice, |
| 221 |
& V_streamice, |
| 222 |
& taudx_SI, |
| 223 |
& taudy_SI, |
| 224 |
& cgtol, |
| 225 |
& cg_iters, |
| 226 |
& maxCGIter, |
| 227 |
& myThid ) |
| 228 |
|
| 229 |
#ifdef STREAMICE_HYBRID_STRESS |
| 230 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 231 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
| 232 |
!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
| 233 |
#endif |
| 234 |
#endif |
| 235 |
|
| 236 |
#ifdef STREAMICE_HYBRID_STRESS |
| 237 |
CALL STREAMICE_TAUB (myThid) |
| 238 |
#endif |
| 239 |
|
| 240 |
!----------------------------------------------------------------------------- |
| 241 |
WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number', |
| 242 |
& iter, " ", |
| 243 |
& cg_iters, |
| 244 |
& ' iterations ' |
| 245 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 246 |
& SQUEEZE_RIGHT , 1) |
| 247 |
!----------------------------------------------------------------------------- |
| 248 |
|
| 249 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 250 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
| 251 |
!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
| 252 |
#ifdef STREAMICE_HYBRID_STRESS |
| 253 |
!$TAF STORE streamice_taubx = comlev1_stream_nl, key=ikey_nl |
| 254 |
!$TAF STORE streamice_tauby = comlev1_stream_nl, key=ikey_nl |
| 255 |
!$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl |
| 256 |
#endif |
| 257 |
#endif |
| 258 |
|
| 259 |
#ifdef STREAMICE_HYBRID_STRESS |
| 260 |
CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
| 261 |
#else |
| 262 |
CALL STREAMICE_VISC_BETA ( myThid ) |
| 263 |
#endif |
| 264 |
|
| 265 |
_EXCH_XY_RL( tau_beta_eff_streamice , myThid ) |
| 266 |
_EXCH_XY_RL( visc_streamice , myThid ) |
| 267 |
|
| 268 |
!----------------------CONVERGENCE TESTS------------------------------- |
| 269 |
|
| 270 |
if (STREAMICE_chkresidconvergence .or. |
| 271 |
& (streamice_maxnliter_cpl.eq.0 .and. myIter.eq.0)) then |
| 272 |
|
| 273 |
CALL STREAMICE_GET_VEL_RESID_ERR ( err_max, myThid ) |
| 274 |
|
| 275 |
WRITE(msgBuf,'(A,E15.7)') 'err/err_init', |
| 276 |
& err_max/err_init |
| 277 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 278 |
& SQUEEZE_RIGHT , 1) |
| 279 |
|
| 280 |
IF (err_max .LE. streamice_nonlin_tol * err_init) THEN |
| 281 |
CONVERGED = .true. |
| 282 |
ENDIF |
| 283 |
|
| 284 |
endif |
| 285 |
|
| 286 |
if (STREAMICE_chkfixedptconvergence .or. |
| 287 |
& (streamice_maxnliter_cpl.eq.0 .and. myIter.eq.0)) then |
| 288 |
|
| 289 |
CALL STREAMICE_GET_VEL_FP_ERR ( err_max_fp, myThid ) |
| 290 |
|
| 291 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 292 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 293 |
DO j=1-OLy,sNy+OLy |
| 294 |
DO i=1-OLx,sNx+OLx |
| 295 |
u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) |
| 296 |
v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) |
| 297 |
ENDDO |
| 298 |
ENDDO |
| 299 |
ENDDO |
| 300 |
ENDDO |
| 301 |
|
| 302 |
WRITE(msgBuf,'(A,1PE22.14)') 'STREAMICE_FP_ERROR =', |
| 303 |
& err_max_fp |
| 304 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 305 |
& SQUEEZE_RIGHT , 1) |
| 306 |
|
| 307 |
IF (err_max_fp .LE. streamice_nonlin_tol_fp) THEN |
| 308 |
CONVERGED = .true. |
| 309 |
ENDIF |
| 310 |
|
| 311 |
endif |
| 312 |
|
| 313 |
!----------------------END CONVERGENCE TESTS------------------------------- |
| 314 |
|
| 315 |
IF (err_max<err_lastchange*1.e-2 .and. |
| 316 |
& STREAMICE_lower_cg_tol) THEN |
| 317 |
cgtol = cgtol * 5.e-2 |
| 318 |
err_lastchange = err_max |
| 319 |
WRITE(msgBuf,'(A,E15.7)') 'new cg tol: ', |
| 320 |
& cgtol |
| 321 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 322 |
& SQUEEZE_RIGHT , 1) |
| 323 |
ENDIF |
| 324 |
|
| 325 |
ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init) |
| 326 |
ENDDO |
| 327 |
|
| 328 |
|
| 329 |
|
| 330 |
C END NL ITER. LOOP |
| 331 |
C------------------------------------------------------------------- |
| 332 |
|
| 333 |
if (iter_numconv .lt. maxnliter) then |
| 334 |
WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ', |
| 335 |
& iter_numconv, ' iterations' |
| 336 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 337 |
& SQUEEZE_RIGHT , 1) |
| 338 |
else |
| 339 |
WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ', |
| 340 |
& iter_numconv, ' iterations' |
| 341 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 342 |
& SQUEEZE_RIGHT , 1) |
| 343 |
endif |
| 344 |
|
| 345 |
_EXCH_XY_RL(U_streamice, myThid) |
| 346 |
_EXCH_XY_RL(V_streamice, myThid) |
| 347 |
|
| 348 |
CALL TIMER_STOP ('STREAMICE_VEL_SOLVE',myThid) |
| 349 |
|
| 350 |
#endif |
| 351 |
RETURN |
| 352 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph