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C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/adstreamice_cg_solve.F,v 1.4 2013/03/07 15:23:19 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 ADSTREAMICE_CG_SOLVE( |
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U U_state, ! velocities - need to be recalc'ed |
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I cg_Bu, ! adjoint of vel (input) |
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U V_state, ! velocities - need to be recalc'ed |
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I cg_Bv, ! adjoint of vel (input) |
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I Bu_state, ! to recalc velocities |
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U cg_Uin, ! adjoint of RHS (output) |
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I Bv_state, ! to recalc velocities |
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U cg_Vin, ! adjoint of RHS (output) |
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I A_uu, ! section of matrix that multiplies u and projects on u |
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U adA_uu, ! adjoint of matrix coeffs (output) |
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I A_uv, ! section of matrix that multiplies v and projects on u |
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U adA_uv, ! adjoint of matrix coeffs (output) |
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I A_vu, ! section of matrix that multiplies u and projects on v |
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U adA_vu, ! adjoint of matrix coeffs (output) |
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I A_vv, ! section of matrix that multiplies v and projects on v |
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U adA_vv, ! adjoint of matrix coeffs (output) |
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I tolerance, |
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I iters, |
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I 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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|
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|
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C !INPUT/OUTPUT ARGUMENTS |
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C cg_Uin, cg_Vin - input and output velocities |
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C cg_Bu, cg_Bv - driving stress |
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_RL cg_Uin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL cg_Vin (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL cg_Bu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL cg_Bv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL U_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL V_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL Bu_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL Bv_state (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL |
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& A_uu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& A_vu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& A_uv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& A_vv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& adA_uu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& adA_vu (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& adA_uv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1), |
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& adA_vv (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy,-1:1,-1:1) |
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_RL tolerance |
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INTEGER iters |
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INTEGER myThid |
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|
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C LOCAL VARIABLES |
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INTEGER i, j, bi, bj, cg_halo, conv_flag, tmpiter |
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INTEGER iter, is, js, ie, je, colx, coly, k |
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_RL Utemp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL Vtemp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL UtempSt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL VtempSt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL dot_p1, dot_p2, alpha_k, beta_k, resid, resid_0 |
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_RL dot_p1_tile (nSx,nSy) |
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_RL dot_p2_tile (nSx,nSy) |
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_RL ad_tolerance |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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|
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! iters = streamice_max_cg_iter |
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|
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#ifdef ALLOW_STREAMICE |
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|
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WRITE(msgBuf,'(A)') 'CALLING MANUAL CG ADJOINT' |
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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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conv_flag = 0 |
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ad_tolerance = 1.e-14 |
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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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Utemp (i,j,bi,bj) = |
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& cg_Uin (i,j,bi,bj) |
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Vtemp (i,j,bi,bj) = |
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& cg_Vin (i,j,bi,bj) |
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UtempSt (i,j,bi,bj) = |
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& U_state (i,j,bi,bj) |
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VtempSt (i,j,bi,bj) = |
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& V_state (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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|
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|
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CALL STREAMICE_CG_SOLVE( |
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& U_state, |
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& V_state, |
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& Bu_state, |
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& Bv_state, |
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& A_uu, |
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& A_uv, |
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& A_vu, |
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& A_vv, |
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& tolerance, |
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& tmpiter, |
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& myThid ) |
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|
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tmpiter = 0 |
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|
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_EXCH_XY_RL( cg_Bu, myThid ) |
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_EXCH_XY_RL( cg_Bv, myThid ) |
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|
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CALL STREAMICE_CG_SOLVE( |
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& cg_Uin, |
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& cg_Vin, |
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& cg_Bu, |
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& cg_Bv, |
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& A_uu, |
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& A_uv, |
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& A_vu, |
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& A_vv, |
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& ad_tolerance, |
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& tmpiter, |
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& myThid ) |
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|
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_EXCH_XY_RL( cg_Uin, myThid ) |
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_EXCH_XY_RL( cg_Vin, myThid ) |
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_EXCH_XY_RL( U_state, myThid ) |
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_EXCH_XY_RL( V_state, 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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DO colx=-1,1 |
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DO coly=-1,1 |
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|
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if (STREAMICE_umask(i,j,bi,bj).eq.1) then |
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if (STREAMICE_umask(i+colx,j+coly,bi,bj).eq.1) then |
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adA_uu(i,j,bi,bj,colx,coly) = |
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& adA_uu(i,j,bi,bj,colx,coly) - |
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& cg_Uin(i,j,bi,bj) * |
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& U_state(i+colx,j+coly,bi,bj) |
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|
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endif |
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if (STREAMICE_vmask(i+colx,j+coly,bi,bj).eq.1) then |
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adA_uv(i,j,bi,bj,colx,coly) = |
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& adA_uv(i,j,bi,bj,colx,coly) - |
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& cg_Uin(i,j,bi,bj) * |
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& V_state(i+colx,j+coly,bi,bj) |
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endif |
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endif |
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|
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if (STREAMICE_vmask(i,j,bi,bj).eq.1) then |
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if (STREAMICE_umask(i+colx,j+coly,bi,bj).eq.1) then |
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adA_vu(i,j,bi,bj,colx,coly) = |
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& adA_vu(i,j,bi,bj,colx,coly) - |
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& cg_Vin(i,j,bi,bj) * |
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& U_state(i+colx,j+coly,bi,bj) |
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endif |
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if (STREAMICE_vmask(i+colx,j+coly,bi,bj).eq.1) then |
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adA_vv(i,j,bi,bj,colx,coly) = |
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& adA_vv(i,j,bi,bj,colx,coly) - |
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& cg_Vin(i,j,bi,bj) * |
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& V_state(i+colx,j+coly,bi,bj) |
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endif |
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endif |
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|
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enddo |
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enddo |
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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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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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if (i.lt.1.or.i.gt.sNx.or. |
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& j.lt.1.or.j.gt.sNy) then |
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cg_Uin (i,j,bi,bj) = 0.0 |
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cg_Vin (i,j,bi,bj) = 0.0 |
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|
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DO colx=-1,1 |
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DO coly=-1,1 |
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ada_uu(i,j,bi,bj,colx,coly)=0.0 |
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ada_uv(i,j,bi,bj,colx,coly)=0.0 |
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ada_vu(i,j,bi,bj,colx,coly)=0.0 |
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ada_vv(i,j,bi,bj,colx,coly)=0.0 |
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enddo |
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enddo |
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|
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|
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endif |
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cg_Uin (i,j,bi,bj) = |
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& cg_Uin (i,j,bi,bj) + |
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& Utemp (i,j,bi,bj) |
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cg_Vin (i,j,bi,bj) = |
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& cg_Vin (i,j,bi,bj) + |
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& Vtemp (i,j,bi,bj) |
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cg_bu (i,j,bi,bj) = 0. |
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cg_bv (i,j,bi,bj) = 0. |
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U_state (i,j,bi,bj) = |
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& UtempSt (i,j,bi,bj) |
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V_state (i,j,bi,bj) = |
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& VtempSt (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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|
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WRITE(msgBuf,'(A,I5,A)') 'DONE WITH MANUAL CG ADJOINT:',tmpiter, |
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& 'ITERS' |
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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 |
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RETURN |
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END |
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