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C $Header: /u/gcmpack/MITgcm/pkg/streamice/streamice_vel_solve.F,v 1.5 2014/01/06 14:54:25 mlosch 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_PETSC |
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!#include "finclude/petsc.h" |
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!#endif |
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|
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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, myThidTemp |
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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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#ifdef ALLOW_PETSC |
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! myThidTemp = myThid |
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! call streamice_initialize_petsc (myThidTemp) |
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#endif |
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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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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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|
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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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!$TAF STORE streamice_taubx = comlev1, key=ikey_dynamics |
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!$TAF STORE streamice_tauby = comlev1, key=ikey_dynamics |
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!$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics |
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#endif |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_VISC_BETA_HYBRID ( myThid ) |
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#else |
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CALL STREAMICE_VISC_BETA ( myThid ) |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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!$TAF STORE visc_streamice_full = comlev1, key=ikey_dynamics |
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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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|
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! CALL WRITE_FLD_XY_RL("u_bound_cont","",ubd_SI,0,myThid) |
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! CALL WRITE_FLD_XY_RL("v_bound_cont","",vbd_SI,0,myThid) |
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! CALL WRITE_FLD_XY_RL("taudx_u","",taudx_SI,0,myThid) |
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! CALL WRITE_FLD_XY_RL("taudx_v","",taudy_SI,0,myThid) |
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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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|
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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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!$TAF STORE err_init = comlev1, key=ikey_dynamics |
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#endif |
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DO j=1,sNy |
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DO i=1,sNx |
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err_tempu = 0. _d 0 |
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err_tempv = 0. _d 0 |
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IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN |
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err_tempu = |
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& ABS (Au_SI(i,j,bi,bj)+0*ubd_SI(i,j,bi,bj) - |
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& taudx_SI(i,j,bi,bj)) |
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! print *, "err_temp_u", err_tempu |
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ENDIF |
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IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN |
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err_tempv = MAX( err_tempu, |
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& ABS (Av_SI(i,j,bi,bj)+0*vbd_SI(i,j,bi,bj) - |
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& taudy_SI(i,j,bi,bj))) |
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ENDIF |
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IF (err_tempv .ge. err_init) THEN |
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err_init = err_tempv |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$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 |
300 |
#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 |
312 |
#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 ) |
316 |
|
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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 |
326 |
ENDDO |
327 |
ENDDO |
328 |
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 |
335 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
336 |
!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
337 |
#endif |
338 |
|
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CALL STREAMICE_CG_ACTION( myThid, |
340 |
O Au_SI, |
341 |
O Av_SI, |
342 |
I U_streamice, |
343 |
I V_streamice, |
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I 0, sNx+1, 0, sNy+1 ) |
345 |
|
346 |
! if (iter .eq. streamice_max_nl_iter) then |
347 |
! CALL WRITE_FLD_XY_RL("u_bound_cont_A","",ubd_SI,0,myThid) |
348 |
! CALL WRITE_FLD_XY_RL("v_bound_cont_A","",vbd_SI,0,myThid) |
349 |
! CALL WRITE_FLD_XY_RL("u_bound_cont_B","",Au_SI,0,myThid) |
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! CALL WRITE_FLD_XY_RL("v_bound_cont_B","",Av_SI,0,myThid) |
351 |
! endif |
352 |
|
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#ifdef ALLOW_AUTODIFF_TAMC |
354 |
!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
355 |
!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
356 |
#endif |
357 |
|
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err_max = 0. _d 0 |
359 |
err_max_fp = 0. _d 0 |
360 |
|
361 |
#ifdef ALLOW_AUTODIFF_TAMC |
362 |
!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
363 |
#endif |
364 |
DO bj = myByLo(myThid), myByHi(myThid) |
365 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
366 |
#ifdef ALLOW_AUTODIFF_TAMC |
367 |
!$TAF STORE err_max = comlev1_stream_nl, key=ikey_nl |
368 |
#endif |
369 |
DO j=1,sNy |
370 |
DO i=1,sNx |
371 |
err_tempu = 0. _d 0 |
372 |
err_tempv = 0. _d 0 |
373 |
IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN |
374 |
err_tempu = |
375 |
& ABS (Au_SI(i,j,bi,bj)+0*ubd_SI(i,j,bi,bj) - |
376 |
& taudx_SI(i,j,bi,bj)) |
377 |
ENDIF |
378 |
IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN |
379 |
err_tempv = MAX( err_tempu, |
380 |
& ABS (Av_SI(i,j,bi,bj)+0*vbd_SI(i,j,bi,bj) - |
381 |
& taudy_SI(i,j,bi,bj))) |
382 |
ENDIF |
383 |
! if (err_tempu.ge.1.e2.or.err_tempv.ge.1.e2) THEN |
384 |
! print *, "FOUND MAX ", i,j,err_tempu,err_tempv, |
385 |
! & ubd_SI(i,j,bi,bj),vbd_SI(i,j,bi,bj) |
386 |
! endif |
387 |
IF (err_tempv .ge. err_max) THEN |
388 |
err_max = err_tempv |
389 |
ENDIF |
390 |
ENDDO |
391 |
ENDDO |
392 |
ENDDO |
393 |
ENDDO |
394 |
|
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CALL GLOBAL_MAX_R8 (err_max, myThid) |
396 |
|
397 |
DO bj = myByLo(myThid), myByHi(myThid) |
398 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
399 |
DO j=1,sNy |
400 |
DO i=1,sNx |
401 |
err_tempu = 0. _d 0 |
402 |
err_tempv = 0. _d 0 |
403 |
IF (STREAMICE_umask(i,j,bi,bj).eq.1) THEN |
404 |
err_tempu = |
405 |
& ABS (U_streamice(i,j,bi,bj)-u_old_SI(i,j,bi,bj)) |
406 |
ENDIF |
407 |
IF (STREAMICE_vmask(i,j,bi,bj).eq.1) THEN |
408 |
err_tempv = MAX( err_tempu, |
409 |
& ABS (V_streamice(i,j,bi,bj)-v_old_SI(i,j,bi,bj))) |
410 |
ENDIF |
411 |
IF (err_tempv .ge. err_max_fp) err_max_fp = err_tempv |
412 |
ENDDO |
413 |
ENDDO |
414 |
ENDDO |
415 |
ENDDO |
416 |
|
417 |
CALL GLOBAL_MAX_R8 (err_max_fp, myThid) |
418 |
WRITE(msgBuf,'(A,1PE22.14)') 'STREAMICE_FP_ERROR =', |
419 |
& err_max_fp |
420 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
421 |
& SQUEEZE_RIGHT , 1) |
422 |
|
423 |
DO bj = myByLo(myThid), myByHi(myThid) |
424 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
425 |
DO j=1-OLy,sNy+OLy |
426 |
DO i=1-OLx,sNx+OLx |
427 |
u_old_SI (i,j,bi,bj) = U_streamice (i,j,bi,bj) |
428 |
v_old_SI (i,j,bi,bj) = V_streamice (i,j,bi,bj) |
429 |
ENDDO |
430 |
ENDDO |
431 |
ENDDO |
432 |
ENDDO |
433 |
|
434 |
WRITE(msgBuf,'(A,E15.7)') 'err/err_init', |
435 |
& err_max/err_init |
436 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
437 |
& SQUEEZE_RIGHT , 1) |
438 |
|
439 |
IF (err_max<err_lastchange*1.e-2 .and. |
440 |
& STREAMICE_lower_cg_tol) THEN |
441 |
cgtol = cgtol * 5.e-2 |
442 |
err_lastchange = err_max |
443 |
WRITE(msgBuf,'(A,E15.7)') 'new cg tol: ', |
444 |
& cgtol |
445 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
446 |
& SQUEEZE_RIGHT , 1) |
447 |
ENDIF |
448 |
|
449 |
|
450 |
ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init) |
451 |
ENDDO |
452 |
|
453 |
#ifdef ALLOW_PETSC |
454 |
! call streamice_finalize_petsc (myThidTemp) |
455 |
! call streamice_finalize_petsc (myThid) |
456 |
#endif |
457 |
|
458 |
C END NL ITER. LOOP |
459 |
C------------------------------------------------------------------- |
460 |
|
461 |
if (iter_numconv .lt. streamice_max_nl_iter) then |
462 |
WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ', |
463 |
& iter_numconv, ' iterations' |
464 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
465 |
& SQUEEZE_RIGHT , 1) |
466 |
else |
467 |
WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ', |
468 |
& iter_numconv, ' iterations' |
469 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
470 |
& SQUEEZE_RIGHT , 1) |
471 |
endif |
472 |
|
473 |
_EXCH_XY_RL(U_streamice, myThid) |
474 |
_EXCH_XY_RL(V_streamice, myThid) |
475 |
! CALL WRITE_FLD_XY_RL("taubx","",streamice_taubx,0,myThid) |
476 |
! CALL WRITE_FLD_XY_RL("tauby","",streamice_tauby,0,myThid) |
477 |
|
478 |
#endif |
479 |
RETURN |
480 |
END |
481 |
|