| 1 | dgoldberg | 1.14 | C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_vel_solve.F,v 1.7 2014/04/24 12:01:50 dgoldberg Exp $ | 
| 2 | heimbach | 1.1 | C $Name:  $ | 
| 3 |  |  |  | 
| 4 |  |  | #include "STREAMICE_OPTIONS.h" | 
| 5 |  |  |  | 
| 6 |  |  | C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| | 
| 7 |  |  |  | 
| 8 |  |  | CBOP | 
| 9 | dgoldberg | 1.14 | SUBROUTINE STREAMICE_VEL_SOLVE( myThid, maxNLIter, maxCGiter ) | 
| 10 | heimbach | 1.1 | C     /============================================================\ | 
| 11 | dgoldberg | 1.14 | C     | SUBROUTINE                                                 | | 
| 12 | heimbach | 1.1 | C     | o                                                          | | 
| 13 |  |  | C     |============================================================| | 
| 14 |  |  | C     |                                                            | | 
| 15 |  |  | C     \============================================================/ | 
| 16 |  |  | IMPLICIT NONE | 
| 17 |  |  |  | 
| 18 |  |  | C     === Global variables === | 
| 19 |  |  | #include "SIZE.h" | 
| 20 |  |  | #include "EEPARAMS.h" | 
| 21 |  |  | #include "PARAMS.h" | 
| 22 |  |  | #include "STREAMICE.h" | 
| 23 |  |  | #include "STREAMICE_CG.h" | 
| 24 | dgoldberg | 1.14 | !#ifdef ALLOW_PETSC | 
| 25 |  |  | !#include "finclude/petsc.h" | 
| 26 |  |  | !#endif | 
| 27 | dgoldberg | 1.13 |  | 
| 28 | heimbach | 1.2 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 29 |  |  | # include "tamc.h" | 
| 30 |  |  | #endif | 
| 31 | heimbach | 1.1 |  | 
| 32 |  |  | C     !INPUT/OUTPUT ARGUMENTS | 
| 33 |  |  | INTEGER myThid | 
| 34 | dgoldberg | 1.14 | INTEGER maxNLIter | 
| 35 |  |  | INTEGER maxCGIter | 
| 36 | heimbach | 1.1 |  | 
| 37 |  |  | #ifdef ALLOW_STREAMICE | 
| 38 |  |  |  | 
| 39 |  |  | C     LOCAL VARIABLES | 
| 40 | dgoldberg | 1.14 |  | 
| 41 | heimbach | 1.1 | !   real, dimension(:,:), pointer :: TAUDX, TAUDY, u_prev_iterate, v_prev_iterate, & | 
| 42 |  |  | !                         u_bdry_cont, v_bdry_cont, Au, Av, err_u, err_v, & | 
| 43 |  |  | !                         geolonq, geolatq, u_last, v_last, float_cond, H_node | 
| 44 |  |  | !   type(ocean_grid_type), pointer      :: G | 
| 45 |  |  | !   integer                 :: conv_flag, i, j, k,l, iter, isym, & | 
| 46 |  |  | !                         isdq, iedq, jsdq, jedq, isd, ied, jsd, jed, isumstart, jsumstart, nodefloat, nsub | 
| 47 |  |  | !   real                     :: err_max, err_tempu, err_tempv, err_init, area, max_vel, tempu, tempv, rhoi, rhow | 
| 48 |  |  |  | 
| 49 | dgoldberg | 1.14 | INTEGER i, j, k, l, iter, cg_iters, bi, bj | 
| 50 | heimbach | 1.1 | INTEGER iter_numconv | 
| 51 | dgoldberg | 1.14 | INTEGER ikey_nl, myThidTemp | 
| 52 | dgoldberg | 1.6 | _RL err_max, err_tempu, err_tempv, err_init, area, err_max_fp | 
| 53 | heimbach | 1.1 | _RL max_vel, tempu, tempv, err_lastchange, cgtol | 
| 54 |  |  | CHARACTER*(MAX_LEN_MBUF) msgBuf | 
| 55 | dgoldberg | 1.14 | LOGICAL CONVERGED | 
| 56 | dgoldberg | 1.13 | #ifdef ALLOW_PETSC | 
| 57 | dgoldberg | 1.14 | !      myThidTemp = myThid | 
| 58 |  |  | !      call streamice_initialize_petsc (myThidTemp) | 
| 59 | dgoldberg | 1.13 | #endif | 
| 60 | dgoldberg | 1.14 | !       _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 | heimbach | 1.1 |  | 
| 63 | dgoldberg | 1.10 | IF (STREAMICE_ppm_driving_stress) THEN | 
| 64 |  |  | CALL STREAMICE_DRIVING_STRESS_PPM (myThid) | 
| 65 |  |  | ELSE | 
| 66 |  |  | CALL STREAMICE_DRIVING_STRESS (myThid) | 
| 67 |  |  | ENDIF | 
| 68 | heimbach | 1.1 |  | 
| 69 | dgoldberg | 1.14 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 70 |  |  | #ifdef STREAMICE_STRESS_BOUNDARY_CONTROL | 
| 71 |  |  | !$TAF STORE taudx_SI = comlev1, key=ikey_dynamics | 
| 72 |  |  | !$TAF STORE taudy_SI = comlev1, key=ikey_dynamics | 
| 73 |  |  | #endif | 
| 74 |  |  | #endif | 
| 75 |  |  |  | 
| 76 |  |  | #ifdef STREAMICE_STRESS_BOUNDARY_CONTROL | 
| 77 |  |  | _EXCH_XY_RL( taudx_SI , myThid ) | 
| 78 |  |  | _EXCH_XY_RL( taudy_SI , myThid ) | 
| 79 |  |  | CALL STREAMICE_FORCED_BUTTRESS (myThid) | 
| 80 |  |  | #endif | 
| 81 |  |  |  | 
| 82 |  |  | CALL TIMER_START ('STREAMICE_VEL_SOLVE',myThid) | 
| 83 |  |  |  | 
| 84 |  |  |  | 
| 85 | heimbach | 1.1 | cgtol = streamice_cg_tol | 
| 86 | dgoldberg | 1.14 | CONVERGED = .false. | 
| 87 |  |  | err_max = 0. | 
| 88 |  |  | err_max_fp = 0. | 
| 89 | heimbach | 1.1 |  | 
| 90 |  |  |  | 
| 91 | dgoldberg | 1.14 | _EXCH_XY_RL( taudx_SI , myThid ) | 
| 92 |  |  | _EXCH_XY_RL( taudy_SI , myThid ) | 
| 93 | heimbach | 1.1 |  | 
| 94 |  |  |  | 
| 95 |  |  | DO bj = myByLo(myThid), myByHi(myThid) | 
| 96 |  |  | DO bi = myBxLo(myThid), myBxHi(myThid) | 
| 97 |  |  | DO j=1-OLy,sNy+OLy | 
| 98 |  |  | DO i=1-OLx,sNx+OLx | 
| 99 |  |  | u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) | 
| 100 |  |  | v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) | 
| 101 |  |  | ENDDO | 
| 102 |  |  | ENDDO | 
| 103 |  |  | ENDDO | 
| 104 |  |  | ENDDO | 
| 105 |  |  |  | 
| 106 | heimbach | 1.2 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 107 |  |  | !$TAF STORE U_streamice = comlev1, key=ikey_dynamics | 
| 108 |  |  | !$TAF STORE V_streamice = comlev1, key=ikey_dynamics | 
| 109 | dgoldberg | 1.8 | #ifdef STREAMICE_HYBRID_STRESS | 
| 110 | heimbach | 1.9 | !$TAF STORE streamice_taubx = comlev1, key=ikey_dynamics | 
| 111 |  |  | !$TAF STORE streamice_tauby = comlev1, key=ikey_dynamics | 
| 112 |  |  | !$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics | 
| 113 | dgoldberg | 1.8 | #endif | 
| 114 |  |  | #endif | 
| 115 |  |  |  | 
| 116 |  |  | #ifdef STREAMICE_HYBRID_STRESS | 
| 117 |  |  | CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) | 
| 118 |  |  | #else | 
| 119 |  |  | CALL STREAMICE_VISC_BETA ( myThid ) | 
| 120 | heimbach | 1.2 | #endif | 
| 121 |  |  |  | 
| 122 | dgoldberg | 1.8 | #ifdef STREAMICE_HYBRID_STRESS | 
| 123 | heimbach | 1.9 | !$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics | 
| 124 | dgoldberg | 1.8 | #endif | 
| 125 | heimbach | 1.1 |  | 
| 126 | dgoldberg | 1.14 | _EXCH_XY_RL( tau_beta_eff_streamice , myThid ) | 
| 127 |  |  | _EXCH_XY_RL( visc_streamice , myThid ) | 
| 128 | heimbach | 1.1 |  | 
| 129 |  |  |  | 
| 130 | dgoldberg | 1.14 | if (STREAMICE_chkresidconvergence) then | 
| 131 | dgoldberg | 1.3 |  | 
| 132 | dgoldberg | 1.14 | CALL STREAMICE_GET_VEL_RESID_ERR ( err_init, myThid ) | 
| 133 | dgoldberg | 1.11 |  | 
| 134 | heimbach | 1.2 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 135 |  |  | !$TAF STORE err_init = comlev1, key=ikey_dynamics | 
| 136 |  |  | #endif | 
| 137 | heimbach | 1.1 |  | 
| 138 | dgoldberg | 1.14 | WRITE(msgBuf,'(A,E15.7)') 'initial nonlinear resid (error): ', | 
| 139 | dgoldberg | 1.4 | &                       err_init | 
| 140 | dgoldberg | 1.14 | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 141 | dgoldberg | 1.4 | &                    SQUEEZE_RIGHT , 1) | 
| 142 |  |  |  | 
| 143 | dgoldberg | 1.14 | endif !STREAMICE_chkresidconvergence | 
| 144 |  |  |  | 
| 145 | dgoldberg | 1.4 |  | 
| 146 | heimbach | 1.1 | iter_numconv = 0 | 
| 147 |  |  | err_max = err_init | 
| 148 | dgoldberg | 1.6 | err_max_fp = streamice_nonlin_tol_fp * 10. | 
| 149 | heimbach | 1.1 | err_lastchange = err_init | 
| 150 |  |  |  | 
| 151 | heimbach | 1.2 | C START NL ITER. LOOP | 
| 152 |  |  | C------------------------------------------------------------------- | 
| 153 |  |  |  | 
| 154 | dgoldberg | 1.14 | DO iter=1,maxNLIter | 
| 155 | heimbach | 1.1 |  | 
| 156 | dgoldberg | 1.14 | C     To avoid using "exit", loop goes through all iterations | 
| 157 | heimbach | 1.1 | C       but after convergence loop does nothing | 
| 158 |  |  |  | 
| 159 | heimbach | 1.2 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 160 |  |  | ikey_nl = (ikey_dynamics-1)*streamice_max_nl + iter | 
| 161 |  |  | #endif | 
| 162 |  |  | #ifdef ALLOW_AUTODIFF_TAMC | 
| 163 |  |  | !$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl | 
| 164 |  |  | !$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl | 
| 165 | dgoldberg | 1.7 | !$TAF STORE err_max_fp = comlev1_stream_nl, key=ikey_nl | 
| 166 | heimbach | 1.2 | !$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl | 
| 167 |  |  | !$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl | 
| 168 |  |  | !$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl | 
| 169 |  |  | !$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl | 
| 170 |  |  | !$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl | 
| 171 | dgoldberg | 1.7 | !$TAF STORE u_old_si = comlev1_stream_nl, key=ikey_nl | 
| 172 |  |  | !$TAF STORE v_old_si = comlev1_stream_nl, key=ikey_nl | 
| 173 | heimbach | 1.2 | !$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl | 
| 174 |  |  | !$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl | 
| 175 |  |  | !$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl | 
| 176 |  |  | !$TAF STORE streamice_cg_a4 = comlev1_stream_nl, key=ikey_nl | 
| 177 |  |  | !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl | 
| 178 |  |  | !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl | 
| 179 |  |  | !$TAF STORE tau_beta_eff_streamice = comlev1_stream_nl, key=ikey_nl | 
| 180 |  |  | !$TAF STORE visc_streamice = comlev1_stream_nl, key=ikey_nl | 
| 181 |  |  | !$TAF STORE zu_old_si = comlev1_stream_nl, key=ikey_nl | 
| 182 |  |  | !$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl | 
| 183 |  |  | #endif | 
| 184 |  |  |  | 
| 185 | dgoldberg | 1.14 | !        IF ((err_max .GT. streamice_nonlin_tol * err_init) .and. | 
| 186 |  |  | !      &     (err_max_fp .GT. streamice_nonlin_tol_fp)) THEN | 
| 187 |  |  |  | 
| 188 |  |  | #ifdef ALLOW_AUTODIFF_TAMC | 
| 189 |  |  | !$TAF STORE CONVERGED = comlev1_stream_nl, key=ikey_nl | 
| 190 |  |  | #endif | 
| 191 |  |  |  | 
| 192 |  |  | IF (.not.CONVERGED) THEN | 
| 193 |  |  |  | 
| 194 | heimbach | 1.1 |  | 
| 195 |  |  | iter_numconv = iter_numconv + 1 | 
| 196 |  |  |  | 
| 197 | heimbach | 1.2 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 198 |  |  | !$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl | 
| 199 |  |  | !$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl | 
| 200 |  |  | !$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl | 
| 201 |  |  | !$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl | 
| 202 |  |  | !$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl | 
| 203 |  |  | !$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl | 
| 204 |  |  | !$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl | 
| 205 |  |  | !$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl | 
| 206 |  |  | !$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl | 
| 207 |  |  | !$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl | 
| 208 |  |  | !$TAF STORE streamice_cg_a4 = comlev1_stream_nl, key=ikey_nl | 
| 209 |  |  | !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl | 
| 210 |  |  | !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl | 
| 211 |  |  | !$TAF STORE tau_beta_eff_streamice = comlev1_stream_nl, key=ikey_nl | 
| 212 |  |  | !$TAF STORE visc_streamice = comlev1_stream_nl, key=ikey_nl | 
| 213 |  |  | !$TAF STORE zu_old_si = comlev1_stream_nl, key=ikey_nl | 
| 214 |  |  | !$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl | 
| 215 |  |  | #endif | 
| 216 |  |  |  | 
| 217 | dgoldberg | 1.3 |  | 
| 218 | dgoldberg | 1.14 | CALL STREAMICE_CG_WRAPPER( | 
| 219 | dgoldberg | 1.3 | &       U_streamice, | 
| 220 |  |  | &       V_streamice, | 
| 221 |  |  | &       taudx_SI, | 
| 222 | dgoldberg | 1.14 | &       taudy_SI, | 
| 223 |  |  | &       cgtol, | 
| 224 | dgoldberg | 1.3 | &       cg_iters, | 
| 225 | dgoldberg | 1.14 | &       maxCGIter, | 
| 226 | dgoldberg | 1.3 | &       myThid ) | 
| 227 | heimbach | 1.1 |  | 
| 228 | dgoldberg | 1.8 | #ifdef STREAMICE_HYBRID_STRESS | 
| 229 |  |  | #ifdef ALLOW_AUTODIFF_TAMC | 
| 230 |  |  | !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl | 
| 231 |  |  | !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl | 
| 232 |  |  | #endif | 
| 233 |  |  | #endif | 
| 234 |  |  |  | 
| 235 |  |  | #ifdef STREAMICE_HYBRID_STRESS | 
| 236 |  |  | CALL STREAMICE_TAUB (myThid) | 
| 237 |  |  | #endif | 
| 238 | heimbach | 1.1 |  | 
| 239 | dgoldberg | 1.14 | !----------------------------------------------------------------------------- | 
| 240 | heimbach | 1.1 | WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number', | 
| 241 |  |  | &                       iter, " ", | 
| 242 |  |  | &                       cg_iters, | 
| 243 |  |  | &                       ' iterations ' | 
| 244 |  |  | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 245 |  |  | &                    SQUEEZE_RIGHT , 1) | 
| 246 | dgoldberg | 1.14 | !----------------------------------------------------------------------------- | 
| 247 | heimbach | 1.1 |  | 
| 248 | heimbach | 1.2 | #ifdef ALLOW_AUTODIFF_TAMC | 
| 249 |  |  | !$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl | 
| 250 |  |  | !$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl | 
| 251 | dgoldberg | 1.8 | #ifdef STREAMICE_HYBRID_STRESS | 
| 252 |  |  | !$TAF STORE streamice_taubx = comlev1_stream_nl, key=ikey_nl | 
| 253 |  |  | !$TAF STORE streamice_tauby = comlev1_stream_nl, key=ikey_nl | 
| 254 |  |  | !$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl | 
| 255 |  |  | #endif | 
| 256 | heimbach | 1.2 | #endif | 
| 257 |  |  |  | 
| 258 | dgoldberg | 1.8 | #ifdef STREAMICE_HYBRID_STRESS | 
| 259 |  |  | CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) | 
| 260 |  |  | #else | 
| 261 | heimbach | 1.1 | CALL STREAMICE_VISC_BETA ( myThid ) | 
| 262 | dgoldberg | 1.8 | #endif | 
| 263 | dgoldberg | 1.4 |  | 
| 264 | heimbach | 1.2 |  | 
| 265 | dgoldberg | 1.14 | _EXCH_XY_RL( tau_beta_eff_streamice , myThid ) | 
| 266 |  |  | _EXCH_XY_RL( visc_streamice , myThid ) | 
| 267 |  |  |  | 
| 268 |  |  | !----------------------CONVERGENCE TESTS------------------------------- | 
| 269 | heimbach | 1.1 |  | 
| 270 | dgoldberg | 1.14 | if (STREAMICE_chkresidconvergence) then | 
| 271 | heimbach | 1.1 |  | 
| 272 | dgoldberg | 1.14 | CALL STREAMICE_GET_VEL_RESID_ERR ( err_max, myThid ) | 
| 273 | heimbach | 1.1 |  | 
| 274 | dgoldberg | 1.14 | WRITE(msgBuf,'(A,E15.7)') 'err/err_init', | 
| 275 |  |  | &                       err_max/err_init | 
| 276 |  |  | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 277 |  |  | &                    SQUEEZE_RIGHT , 1) | 
| 278 | heimbach | 1.2 |  | 
| 279 | dgoldberg | 1.14 | IF (err_max .LE. streamice_nonlin_tol * err_init) THEN | 
| 280 |  |  | CONVERGED = .true. | 
| 281 |  |  | ENDIF | 
| 282 | dgoldberg | 1.11 |  | 
| 283 | heimbach | 1.2 |  | 
| 284 | dgoldberg | 1.14 | endif | 
| 285 | heimbach | 1.1 |  | 
| 286 |  |  |  | 
| 287 |  |  |  | 
| 288 | dgoldberg | 1.14 | if (STREAMICE_chkfixedptconvergence) then | 
| 289 | dgoldberg | 1.6 |  | 
| 290 | dgoldberg | 1.14 | CALL STREAMICE_GET_VEL_FP_ERR ( err_max_fp, myThid ) | 
| 291 | dgoldberg | 1.7 |  | 
| 292 |  |  | DO bj = myByLo(myThid), myByHi(myThid) | 
| 293 |  |  | DO bi = myBxLo(myThid), myBxHi(myThid) | 
| 294 |  |  | DO j=1-OLy,sNy+OLy | 
| 295 |  |  | DO i=1-OLx,sNx+OLx | 
| 296 |  |  | u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) | 
| 297 |  |  | v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) | 
| 298 |  |  | ENDDO | 
| 299 |  |  | ENDDO | 
| 300 |  |  | ENDDO | 
| 301 |  |  | ENDDO | 
| 302 | dgoldberg | 1.6 |  | 
| 303 | dgoldberg | 1.14 | WRITE(msgBuf,'(A,1PE22.14)') 'STREAMICE_FP_ERROR =', | 
| 304 |  |  | &                       err_max_fp | 
| 305 | heimbach | 1.1 | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 306 |  |  | &                    SQUEEZE_RIGHT , 1) | 
| 307 |  |  |  | 
| 308 | dgoldberg | 1.14 | IF (err_max_fp .LE. streamice_nonlin_tol_fp) THEN | 
| 309 |  |  | CONVERGED = .true. | 
| 310 |  |  | ENDIF | 
| 311 |  |  |  | 
| 312 |  |  | endif | 
| 313 |  |  |  | 
| 314 |  |  |  | 
| 315 |  |  |  | 
| 316 |  |  |  | 
| 317 |  |  | !----------------------END CONVERGENCE TESTS------------------------------- | 
| 318 |  |  |  | 
| 319 |  |  |  | 
| 320 |  |  |  | 
| 321 |  |  |  | 
| 322 | heimbach | 1.1 | IF (err_max<err_lastchange*1.e-2 .and. | 
| 323 |  |  | &   STREAMICE_lower_cg_tol) THEN | 
| 324 |  |  | cgtol = cgtol * 5.e-2 | 
| 325 |  |  | err_lastchange = err_max | 
| 326 | dgoldberg | 1.4 | WRITE(msgBuf,'(A,E15.7)') 'new cg tol: ', | 
| 327 | heimbach | 1.1 | &                       cgtol | 
| 328 |  |  | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 329 |  |  | &                    SQUEEZE_RIGHT , 1) | 
| 330 |  |  | ENDIF | 
| 331 |  |  |  | 
| 332 | dgoldberg | 1.4 |  | 
| 333 | heimbach | 1.1 | ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init) | 
| 334 |  |  | ENDDO | 
| 335 |  |  |  | 
| 336 | dgoldberg | 1.13 | #ifdef ALLOW_PETSC | 
| 337 | dgoldberg | 1.14 | !      call streamice_finalize_petsc (myThidTemp) | 
| 338 |  |  | !      call streamice_finalize_petsc (myThid) | 
| 339 | dgoldberg | 1.13 | #endif | 
| 340 |  |  |  | 
| 341 | heimbach | 1.2 | C END NL ITER. LOOP | 
| 342 |  |  | C------------------------------------------------------------------- | 
| 343 |  |  |  | 
| 344 | heimbach | 1.1 | if (iter_numconv .lt. streamice_max_nl_iter) then | 
| 345 | dgoldberg | 1.5 | WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ', | 
| 346 |  |  | &         iter_numconv, ' iterations' | 
| 347 |  |  | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 348 |  |  | &                     SQUEEZE_RIGHT , 1) | 
| 349 | heimbach | 1.1 | else | 
| 350 | dgoldberg | 1.5 | WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ', | 
| 351 |  |  | &         iter_numconv, ' iterations' | 
| 352 |  |  | CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, | 
| 353 |  |  | &                     SQUEEZE_RIGHT , 1) | 
| 354 | heimbach | 1.1 | endif | 
| 355 |  |  |  | 
| 356 | dgoldberg | 1.14 | _EXCH_XY_RL(U_streamice, myThid) | 
| 357 |  |  | _EXCH_XY_RL(V_streamice, myThid) | 
| 358 |  |  |  | 
| 359 |  |  |  | 
| 360 |  |  | CALL TIMER_STOP ('STREAMICE_VEL_SOLVE',myThid) | 
| 361 | heimbach | 1.1 |  | 
| 362 |  |  | #endif | 
| 363 |  |  | RETURN | 
| 364 |  |  | END | 
| 365 |  |  |  |