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C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_vel_solve.F,v 1.7 2012/09/04 21:11:44 dgoldberg Exp $ |
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C $Name: $ |
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|
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#include "STREAMICE_OPTIONS.h" |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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CBOP |
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SUBROUTINE STREAMICE_VEL_SOLVE( myThid ) |
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C /============================================================\ |
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C | SUBROUTINE | |
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C | o | |
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C |============================================================| |
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C | | |
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C \============================================================/ |
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IMPLICIT NONE |
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|
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C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "STREAMICE.h" |
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#include "STREAMICE_CG.h" |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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|
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C !INPUT/OUTPUT ARGUMENTS |
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INTEGER myThid |
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|
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#ifdef ALLOW_STREAMICE |
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|
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C LOCAL VARIABLES |
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|
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! real, dimension(:,:), pointer :: TAUDX, TAUDY, u_prev_iterate, v_prev_iterate, & |
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! u_bdry_cont, v_bdry_cont, Au, Av, err_u, err_v, & |
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! geolonq, geolatq, u_last, v_last, float_cond, H_node |
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! type(ocean_grid_type), pointer :: G |
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! integer :: conv_flag, i, j, k,l, iter, isym, & |
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! isdq, iedq, jsdq, jedq, isd, ied, jsd, jed, isumstart, jsumstart, nodefloat, nsub |
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! real :: err_max, err_tempu, err_tempv, err_init, area, max_vel, tempu, tempv, rhoi, rhow |
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|
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INTEGER conv_flag, i, j, k, l, iter, cg_iters, bi, bj |
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INTEGER iter_numconv |
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INTEGER ikey_nl |
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_RL err_max, err_tempu, err_tempv, err_init, area, err_max_fp |
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_RL max_vel, tempu, tempv, err_lastchange, cgtol |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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! _RL taudx (1-OLx:sNx+OLx,1-OLy:sNy+Oly,nSx,nSy) |
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! _RL taudy (1-OLx:sNx+OLx,1-OLy:sNy+Oly,nSx,nSy) |
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|
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CALL STREAMICE_DRIVING_STRESS (myThid) |
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|
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cgtol = streamice_cg_tol |
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|
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! CALL WRITE_FULLARRAY_RL ("taudy_SI",taudy_SI,1,0,0,1,0,myThid) |
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|
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_EXCH_XY_RL ( taudx_SI , myThid ) |
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_EXCH_XY_RL ( taudy_SI , myThid ) |
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|
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! CALL WRITE_FULLARRAY_RL ("taudy_SI_2",taudy_SI,1,0,0,1,0,myThid) |
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|
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) |
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v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1, key=ikey_dynamics |
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!$TAF STORE V_streamice = comlev1, key=ikey_dynamics |
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#ifdef STREAMICE_HYBRID_STRESS |
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!$TAF STORE streamice_taubx = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_tauby = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl |
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#endif |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
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#else |
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CALL STREAMICE_VISC_BETA ( myThid ) |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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!$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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_EXCH_XY_RL ( tau_beta_eff_streamice , myThid ) |
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_EXCH_XY_RL ( visc_streamice , myThid ) |
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|
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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Au_SI (i,j,bi,bj) = 0. _d 0 |
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Av_SI (i,j,bi,bj) = 0. _d 0 |
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ubd_SI (i,j,bi,bj) = 0. _d 0 |
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vbd_SI (i,j,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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|
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CALL STREAMICE_CG_BOUND_VALS( myThid, |
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O ubd_SI, |
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O vbd_SI) |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1, key=ikey_dynamics |
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!$TAF STORE V_streamice = comlev1, key=ikey_dynamics |
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#endif |
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|
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CALL STREAMICE_CG_ACTION( myThid, |
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O Au_SI, |
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O Av_SI, |
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I U_streamice, |
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I V_streamice, |
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I 0, sNx+1, 0, sNy+1 ) |
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|
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err_init = 0. _d 0 |
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|
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE err_init = comlev1, key=ikey_dynamics |
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#endif |
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DO j=1,sNy |
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DO i=1,sNx |
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err_tempu = 0. _d 0 |
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err_tempv = 0. _d 0 |
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IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN |
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err_tempu = |
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& ABS (Au_SI(i,j,bi,bj)+ubd_SI(i,j,bi,bj) - |
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& taudx_SI(i,j,bi,bj)) |
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! print *, "err_temp_u", err_tempu |
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ENDIF |
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IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN |
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err_tempv = MAX( err_tempu, |
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& ABS (Av_SI(i,j,bi,bj)+vbd_SI(i,j,bi,bj) - |
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& taudy_SI(i,j,bi,bj))) |
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ENDIF |
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IF (err_tempv .ge. err_init) err_init = err_tempv |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE err_init = comlev1, key=ikey_dynamics |
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#endif |
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|
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CALL GLOBAL_MAX_R8 (err_init, myThid) |
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|
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WRITE(msgBuf,'(A,E15.7)') 'initial nonlinear resid (error): ', |
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& err_init |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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|
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iter_numconv = 0 |
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err_max = err_init |
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err_max_fp = streamice_nonlin_tol_fp * 10. |
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err_lastchange = err_init |
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|
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C START NL ITER. LOOP |
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C------------------------------------------------------------------- |
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|
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DO iter=1,streamice_max_nl_iter |
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|
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C To avoid using "exit", loop goes through all iterations |
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C but after convergence loop does nothing |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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ikey_nl = (ikey_dynamics-1)*streamice_max_nl + iter |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_max_fp = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE u_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE v_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a4 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE tau_beta_eff_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE visc_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE zu_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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IF ((err_max .GT. streamice_nonlin_tol * err_init) .and. |
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& (err_max_fp .GT. streamice_nonlin_tol_fp)) THEN |
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|
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iter_numconv = iter_numconv + 1 |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE cgtol = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_tempv = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE err_lastchange = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE ru_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a1 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a2 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a3 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_cg_a4 = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE tau_beta_eff_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE visc_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE zu_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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! DO bj = myByLo(myThid), myByHi(myThid) |
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! DO bi = myBxLo(myThid), myBxHi(myThid) |
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! DO j=1-OLy,sNy+OLy |
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! DO i=1-OLx,sNx+OLx |
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! U_streamice (i,j,bi,bj) = 0. _d 0 |
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! V_streamice (i,j,bi,bj) = 0. _d 0 |
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! ENDDO |
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! ENDDO |
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! ENDDO |
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! ENDDO |
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#endif |
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|
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CALL STREAMICE_CG_WRAPPER( |
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& U_streamice, |
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& V_streamice, |
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& taudx_SI, |
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& taudy_SI, |
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& cgtol, |
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& cg_iters, |
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& myThid ) |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#endif |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_TAUB (myThid) |
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#endif |
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|
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WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number', |
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& iter, " ", |
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& cg_iters, |
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& ' iterations ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#ifdef STREAMICE_HYBRID_STRESS |
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!$TAF STORE streamice_taubx = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE streamice_tauby = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE visc_streamice_full = comlev1_stream_nl, key=ikey_nl |
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#endif |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
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#else |
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CALL STREAMICE_VISC_BETA ( myThid ) |
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#endif |
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|
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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_EXCH_XY_RL ( tau_beta_eff_streamice , myThid ) |
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_EXCH_XY_RL ( visc_streamice , myThid ) |
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|
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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Au_SI (i,j,bi,bj) = 0. _d 0 |
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Av_SI (i,j,bi,bj) = 0. _d 0 |
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ubd_SI (i,j,bi,bj) = 0. _d 0 |
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vbd_SI (i,j,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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CALL STREAMICE_CG_BOUND_VALS( myThid, |
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O ubd_SI, |
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O vbd_SI) |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#endif |
| 316 |
|
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CALL STREAMICE_CG_ACTION( myThid, |
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O Au_SI, |
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O Av_SI, |
| 320 |
I U_streamice, |
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I V_streamice, |
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I 0, sNx+1, 0, sNy+1 ) |
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|
| 324 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 325 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#endif |
| 328 |
|
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err_max = 0. _d 0 |
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err_max_fp = 0. _d 0 |
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|
| 332 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 333 |
!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
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#endif |
| 335 |
DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
| 337 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 338 |
!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
| 339 |
#endif |
| 340 |
DO j=1,sNy |
| 341 |
DO i=1,sNx |
| 342 |
err_tempu = 0. _d 0 |
| 343 |
err_tempv = 0. _d 0 |
| 344 |
IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN |
| 345 |
err_tempu = |
| 346 |
& ABS (Au_SI(i,j,bi,bj)+ubd_SI(i,j,bi,bj) - |
| 347 |
& taudx_SI(i,j,bi,bj)) |
| 348 |
ENDIF |
| 349 |
IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN |
| 350 |
err_tempv = MAX( err_tempu, |
| 351 |
& ABS (Av_SI(i,j,bi,bj)+vbd_SI(i,j,bi,bj) - |
| 352 |
& taudy_SI(i,j,bi,bj))) |
| 353 |
ENDIF |
| 354 |
IF (err_tempv .ge. err_max) err_max = err_tempv |
| 355 |
ENDDO |
| 356 |
ENDDO |
| 357 |
ENDDO |
| 358 |
ENDDO |
| 359 |
|
| 360 |
CALL GLOBAL_MAX_R8 (err_max, myThid) |
| 361 |
|
| 362 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 363 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 364 |
DO j=1,sNy |
| 365 |
DO i=1,sNx |
| 366 |
err_tempu = 0. _d 0 |
| 367 |
err_tempv = 0. _d 0 |
| 368 |
IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN |
| 369 |
err_tempu = |
| 370 |
& ABS (U_streamice(i,j,bi,bj)-u_old_SI(i,j,bi,bj)) |
| 371 |
ENDIF |
| 372 |
IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN |
| 373 |
err_tempv = MAX( err_tempu, |
| 374 |
& ABS (V_streamice(i,j,bi,bj)-v_old_SI(i,j,bi,bj))) |
| 375 |
ENDIF |
| 376 |
IF (err_tempv .ge. err_max_fp) err_max_fp = err_tempv |
| 377 |
ENDDO |
| 378 |
ENDDO |
| 379 |
ENDDO |
| 380 |
ENDDO |
| 381 |
|
| 382 |
CALL GLOBAL_MAX_R8 (err_max_fp, myThid) |
| 383 |
WRITE(msgBuf,'(A,E15.7)') '||x_i-x_{i-1}||_inf', |
| 384 |
& err_max_fp |
| 385 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 386 |
& SQUEEZE_RIGHT , 1) |
| 387 |
|
| 388 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 389 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 390 |
DO j=1-OLy,sNy+OLy |
| 391 |
DO i=1-OLx,sNx+OLx |
| 392 |
u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) |
| 393 |
v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) |
| 394 |
ENDDO |
| 395 |
ENDDO |
| 396 |
ENDDO |
| 397 |
ENDDO |
| 398 |
|
| 399 |
WRITE(msgBuf,'(A,E15.7)') 'err/err_init', |
| 400 |
& err_max/err_init |
| 401 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 402 |
& SQUEEZE_RIGHT , 1) |
| 403 |
|
| 404 |
IF (err_max<err_lastchange*1.e-2 .and. |
| 405 |
& STREAMICE_lower_cg_tol) THEN |
| 406 |
cgtol = cgtol * 5.e-2 |
| 407 |
err_lastchange = err_max |
| 408 |
WRITE(msgBuf,'(A,E15.7)') 'new cg tol: ', |
| 409 |
& cgtol |
| 410 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 411 |
& SQUEEZE_RIGHT , 1) |
| 412 |
ENDIF |
| 413 |
|
| 414 |
|
| 415 |
ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init) |
| 416 |
ENDDO |
| 417 |
|
| 418 |
C END NL ITER. LOOP |
| 419 |
C------------------------------------------------------------------- |
| 420 |
|
| 421 |
if (iter_numconv .lt. streamice_max_nl_iter) then |
| 422 |
WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ', |
| 423 |
& iter_numconv, ' iterations' |
| 424 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 425 |
& SQUEEZE_RIGHT , 1) |
| 426 |
else |
| 427 |
WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ', |
| 428 |
& iter_numconv, ' iterations' |
| 429 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 430 |
& SQUEEZE_RIGHT , 1) |
| 431 |
endif |
| 432 |
|
| 433 |
_EXCH_XY_RL (U_streamice, myThid) |
| 434 |
_EXCH_XY_RL (V_streamice, myThid) |
| 435 |
|
| 436 |
#endif |
| 437 |
RETURN |
| 438 |
END |
| 439 |
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