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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 $ |
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heimbach |
1.1 |
C $Name: $ |
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#include "STREAMICE_OPTIONS.h" |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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dgoldberg |
1.14 |
SUBROUTINE STREAMICE_VEL_SOLVE( myThid, maxNLIter, maxCGiter ) |
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heimbach |
1.1 |
C /============================================================\ |
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dgoldberg |
1.14 |
C | SUBROUTINE | |
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heimbach |
1.1 |
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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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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dgoldberg |
1.14 |
!#ifdef ALLOW_PETSC |
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!#include "finclude/petsc.h" |
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!#endif |
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dgoldberg |
1.13 |
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heimbach |
1.2 |
#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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heimbach |
1.1 |
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C !INPUT/OUTPUT ARGUMENTS |
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INTEGER myThid |
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dgoldberg |
1.14 |
INTEGER maxNLIter |
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INTEGER maxCGIter |
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heimbach |
1.1 |
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#ifdef ALLOW_STREAMICE |
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C LOCAL VARIABLES |
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dgoldberg |
1.14 |
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heimbach |
1.1 |
! 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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dgoldberg |
1.14 |
INTEGER i, j, k, l, iter, cg_iters, bi, bj |
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1.1 |
INTEGER iter_numconv |
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dgoldberg |
1.14 |
INTEGER ikey_nl, myThidTemp |
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dgoldberg |
1.6 |
_RL err_max, err_tempu, err_tempv, err_init, area, err_max_fp |
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heimbach |
1.1 |
_RL max_vel, tempu, tempv, err_lastchange, cgtol |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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dgoldberg |
1.14 |
LOGICAL CONVERGED |
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dgoldberg |
1.13 |
#ifdef ALLOW_PETSC |
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dgoldberg |
1.14 |
! myThidTemp = myThid |
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! call streamice_initialize_petsc (myThidTemp) |
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dgoldberg |
1.13 |
#endif |
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dgoldberg |
1.14 |
! _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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heimbach |
1.1 |
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dgoldberg |
1.10 |
IF (STREAMICE_ppm_driving_stress) THEN |
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CALL STREAMICE_DRIVING_STRESS_PPM (myThid) |
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ELSE |
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CALL STREAMICE_DRIVING_STRESS (myThid) |
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ENDIF |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
#ifdef ALLOW_AUTODIFF_TAMC |
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#ifdef STREAMICE_STRESS_BOUNDARY_CONTROL |
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!$TAF STORE taudx_SI = comlev1, key=ikey_dynamics |
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!$TAF STORE taudy_SI = comlev1, key=ikey_dynamics |
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#endif |
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#endif |
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#ifdef STREAMICE_STRESS_BOUNDARY_CONTROL |
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_EXCH_XY_RL( taudx_SI , myThid ) |
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_EXCH_XY_RL( taudy_SI , myThid ) |
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CALL STREAMICE_FORCED_BUTTRESS (myThid) |
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#endif |
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CALL TIMER_START ('STREAMICE_VEL_SOLVE',myThid) |
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heimbach |
1.1 |
cgtol = streamice_cg_tol |
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1.14 |
CONVERGED = .false. |
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err_max = 0. |
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err_max_fp = 0. |
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1.1 |
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dgoldberg |
1.14 |
_EXCH_XY_RL( taudx_SI , myThid ) |
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_EXCH_XY_RL( taudy_SI , myThid ) |
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heimbach |
1.1 |
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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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heimbach |
1.2 |
#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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dgoldberg |
1.8 |
#ifdef STREAMICE_HYBRID_STRESS |
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heimbach |
1.9 |
!$TAF STORE streamice_taubx = comlev1, key=ikey_dynamics |
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!$TAF STORE streamice_tauby = comlev1, key=ikey_dynamics |
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!$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics |
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dgoldberg |
1.8 |
#endif |
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#endif |
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
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#else |
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CALL STREAMICE_VISC_BETA ( myThid ) |
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heimbach |
1.2 |
#endif |
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dgoldberg |
1.8 |
#ifdef STREAMICE_HYBRID_STRESS |
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heimbach |
1.9 |
!$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics |
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dgoldberg |
1.8 |
#endif |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
_EXCH_XY_RL( tau_beta_eff_streamice , myThid ) |
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_EXCH_XY_RL( visc_streamice , myThid ) |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
if (STREAMICE_chkresidconvergence) then |
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dgoldberg |
1.3 |
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dgoldberg |
1.14 |
CALL STREAMICE_GET_VEL_RESID_ERR ( err_init, myThid ) |
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dgoldberg |
1.11 |
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heimbach |
1.2 |
#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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heimbach |
1.1 |
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dgoldberg |
1.14 |
WRITE(msgBuf,'(A,E15.7)') 'initial nonlinear resid (error): ', |
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dgoldberg |
1.4 |
& err_init |
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dgoldberg |
1.14 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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dgoldberg |
1.4 |
& SQUEEZE_RIGHT , 1) |
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dgoldberg |
1.14 |
endif !STREAMICE_chkresidconvergence |
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dgoldberg |
1.4 |
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heimbach |
1.1 |
iter_numconv = 0 |
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err_max = err_init |
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dgoldberg |
1.6 |
err_max_fp = streamice_nonlin_tol_fp * 10. |
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heimbach |
1.1 |
err_lastchange = err_init |
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heimbach |
1.2 |
C START NL ITER. LOOP |
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C------------------------------------------------------------------- |
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dgoldberg |
1.14 |
DO iter=1,maxNLIter |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
C To avoid using "exit", loop goes through all iterations |
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heimbach |
1.1 |
C but after convergence loop does nothing |
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heimbach |
1.2 |
#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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!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
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dgoldberg |
1.7 |
!$TAF STORE err_max_fp = comlev1_stream_nl, key=ikey_nl |
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heimbach |
1.2 |
!$TAF STORE err_tempu = comlev1_stream_nl, key=ikey_nl |
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!$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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!$TAF STORE rv_old_si = comlev1_stream_nl, key=ikey_nl |
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dgoldberg |
1.7 |
!$TAF STORE u_old_si = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE v_old_si = comlev1_stream_nl, key=ikey_nl |
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heimbach |
1.2 |
!$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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!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
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#endif |
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dgoldberg |
1.14 |
! IF ((err_max .GT. streamice_nonlin_tol * err_init) .and. |
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! & (err_max_fp .GT. streamice_nonlin_tol_fp)) THEN |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE CONVERGED = comlev1_stream_nl, key=ikey_nl |
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#endif |
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IF (.not.CONVERGED) THEN |
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heimbach |
1.1 |
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iter_numconv = iter_numconv + 1 |
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heimbach |
1.2 |
#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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!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
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#endif |
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dgoldberg |
1.3 |
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dgoldberg |
1.14 |
CALL STREAMICE_CG_WRAPPER( |
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dgoldberg |
1.3 |
& U_streamice, |
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& V_streamice, |
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& taudx_SI, |
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dgoldberg |
1.14 |
& taudy_SI, |
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& cgtol, |
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dgoldberg |
1.3 |
& cg_iters, |
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dgoldberg |
1.14 |
& maxCGIter, |
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dgoldberg |
1.3 |
& myThid ) |
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heimbach |
1.1 |
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dgoldberg |
1.8 |
#ifdef STREAMICE_HYBRID_STRESS |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#endif |
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#endif |
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_TAUB (myThid) |
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#endif |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
!----------------------------------------------------------------------------- |
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heimbach |
1.1 |
WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number', |
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& iter, " ", |
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& cg_iters, |
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& ' iterations ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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dgoldberg |
1.14 |
!----------------------------------------------------------------------------- |
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heimbach |
1.1 |
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heimbach |
1.2 |
#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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dgoldberg |
1.8 |
#ifdef STREAMICE_HYBRID_STRESS |
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!$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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heimbach |
1.2 |
#endif |
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dgoldberg |
1.8 |
#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
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#else |
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heimbach |
1.1 |
CALL STREAMICE_VISC_BETA ( myThid ) |
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dgoldberg |
1.8 |
#endif |
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dgoldberg |
1.4 |
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heimbach |
1.2 |
|
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dgoldberg |
1.14 |
_EXCH_XY_RL( tau_beta_eff_streamice , myThid ) |
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_EXCH_XY_RL( visc_streamice , myThid ) |
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!----------------------CONVERGENCE TESTS------------------------------- |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
if (STREAMICE_chkresidconvergence) then |
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heimbach |
1.1 |
|
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dgoldberg |
1.14 |
CALL STREAMICE_GET_VEL_RESID_ERR ( err_max, myThid ) |
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heimbach |
1.1 |
|
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dgoldberg |
1.14 |
WRITE(msgBuf,'(A,E15.7)') 'err/err_init', |
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& err_max/err_init |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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heimbach |
1.2 |
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dgoldberg |
1.14 |
IF (err_max .LE. streamice_nonlin_tol * err_init) THEN |
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CONVERGED = .true. |
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ENDIF |
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dgoldberg |
1.11 |
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heimbach |
1.2 |
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dgoldberg |
1.14 |
endif |
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heimbach |
1.1 |
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dgoldberg |
1.14 |
if (STREAMICE_chkfixedptconvergence) then |
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dgoldberg |
1.6 |
|
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dgoldberg |
1.14 |
CALL STREAMICE_GET_VEL_FP_ERR ( err_max_fp, myThid ) |
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dgoldberg |
1.7 |
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DO bj = myByLo(myThid), myByHi(myThid) |
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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 |
|
|
|
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