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C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_vel_solve.F,v 1.14 2014/08/27 19:29:14 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, maxNLIter, maxCGiter, |
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& myiter ) |
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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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INTEGER maxNLIter |
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INTEGER maxCGIter |
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INTEGER myIter |
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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 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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LOGICAL CONVERGED |
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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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#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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|
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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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|
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CALL TIMER_START ('STREAMICE_VEL_SOLVE',myThid) |
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|
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|
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cgtol = streamice_cg_tol |
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CONVERGED = .false. |
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err_max = 0. |
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err_max_fp = 0. |
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|
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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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|
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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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|
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if (STREAMICE_chkresidconvergence .or. |
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& (streamice_maxnliter_cpl.eq.0 .and. myIter.eq.0)) then |
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|
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CALL STREAMICE_GET_VEL_RESID_ERR ( err_init, myThid ) |
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|
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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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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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endif !STREAMICE_chkresidconvergence |
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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,maxNLIter |
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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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!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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! IF ((err_max .GT. streamice_nonlin_tol * err_init) .and. |
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! & (err_max_fp .GT. streamice_nonlin_tol_fp)) THEN |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE CONVERGED = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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IF (.not.CONVERGED) THEN |
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|
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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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!$TAF STORE zv_old_si = comlev1_stream_nl, key=ikey_nl |
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#endif |
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|
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|
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CALL STREAMICE_CG_WRAPPER( |
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& U_streamice, |
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& V_streamice, |
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& taudx_SI, |
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& taudy_SI, |
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& cgtol, |
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& cg_iters, |
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& maxCGIter, |
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& myThid ) |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$TAF STORE U_streamice = comlev1_stream_nl, key=ikey_nl |
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!$TAF STORE V_streamice = comlev1_stream_nl, key=ikey_nl |
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#endif |
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#endif |
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|
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#ifdef STREAMICE_HYBRID_STRESS |
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CALL STREAMICE_TAUB (myThid) |
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#endif |
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|
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!----------------------------------------------------------------------------- |
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WRITE(msgBuf,'(A,I5,A,I4,A)') 'streamice linear solve number', |
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& iter, " ", |
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& cg_iters, |
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& ' iterations ' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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!----------------------------------------------------------------------------- |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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!$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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_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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!----------------------CONVERGENCE TESTS------------------------------- |
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|
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if (STREAMICE_chkresidconvergence .or. |
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& (streamice_maxnliter_cpl.eq.0 .and. myIter.eq.0)) then |
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|
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CALL STREAMICE_GET_VEL_RESID_ERR ( err_max, myThid ) |
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|
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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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|
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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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|
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|
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endif |
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|
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|
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|
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if (STREAMICE_chkfixedptconvergence .or. |
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& (streamice_maxnliter_cpl.eq.0 .and. myIter.eq.0)) then |
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|
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CALL STREAMICE_GET_VEL_FP_ERR ( err_max_fp, 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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WRITE(msgBuf,'(A,1PE22.14)') 'STREAMICE_FP_ERROR =', |
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& err_max_fp |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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IF (err_max_fp .LE. streamice_nonlin_tol_fp) THEN |
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CONVERGED = .true. |
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ENDIF |
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|
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endif |
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|
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|
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|
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|
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!----------------------END CONVERGENCE TESTS------------------------------- |
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|
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|
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|
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|
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IF (err_max<err_lastchange*1.e-2 .and. |
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& STREAMICE_lower_cg_tol) THEN |
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cgtol = cgtol * 5.e-2 |
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err_lastchange = err_max |
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WRITE(msgBuf,'(A,E15.7)') 'new cg tol: ', |
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& cgtol |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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ENDIF |
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|
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|
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ENDIF ! (err_max .GT. streamice_nonlin_tol * err_init) |
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ENDDO |
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|
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#ifdef ALLOW_PETSC |
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! call streamice_finalize_petsc (myThidTemp) |
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! call streamice_finalize_petsc (myThid) |
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#endif |
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|
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C END NL ITER. LOOP |
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C------------------------------------------------------------------- |
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|
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if (iter_numconv .lt. streamice_max_nl_iter) then |
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WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE CONVERGED, ', |
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& iter_numconv, ' iterations' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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else |
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WRITE(msgBuf,'(A,I5,A)') 'VELOCITY SOLVE NOT CONVERGED IN ', |
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& iter_numconv, ' iterations' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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endif |
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|
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_EXCH_XY_RL(U_streamice, myThid) |
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_EXCH_XY_RL(V_streamice, myThid) |
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|
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|
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CALL TIMER_STOP ('STREAMICE_VEL_SOLVE',myThid) |
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|
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#endif |
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RETURN |
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END |
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