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dgoldberg |
1.4 |
C $Header: /u/gcmpack/MITgcm_contrib/dgoldberg/streamice/streamice_velmask_upd.F,v 1.3 2013/01/09 21:56:18 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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SUBROUTINE STREAMICE_VELMASK_UPD ( 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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C === Global variables === |
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#include "SIZE.h" |
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#include "GRID.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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dgoldberg |
1.4 |
#ifdef ALLOW_USE_MPI |
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# include "EESUPPORT.h" |
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#endif |
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heimbach |
1.1 |
! #include "STREAMICE_ADV.h" |
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INTEGER myThid |
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#ifdef ALLOW_STREAMICE |
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INTEGER i, j, bi, bj, ki, kj |
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INTEGER maskFlag |
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dgoldberg |
1.4 |
CHARACTER*(MAX_LEN_MBUF) msgBuf |
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#ifdef ALLOW_USE_MPI |
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integer mpiRC, mpiMyWid |
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#endif |
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#ifdef ALLOW_PETSC |
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_RS DoFCount |
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integer n_dofs_proc_loc (0:nPx*nPy-1) |
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integer n_dofs_cum_sum (0:nPx*nPy-1) |
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#endif |
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heimbach |
1.1 |
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dgoldberg |
1.2 |
_EXCH_XY_RL( H_streamice, myThid ) |
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_EXCH_XY_RL( area_shelf_streamice, myThid ) |
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_EXCH_XY_RL( STREAMICE_hmask, myThid ) |
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heimbach |
1.1 |
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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STREAMICE_umask(i,j,bi,bj) = 0. _d 0 |
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STREAMICE_vmask(i,j,bi,bj) = 0. _d 0 |
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STREAMICE_ufacemask(i,j,bi,bj) = 0. _d 0 |
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STREAMICE_vfacemask(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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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=0,sNy+1 |
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DO i=0,sNx+1 |
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IF (STREAMICE_hmask(i,j,bi,bj) .eq. 1) THEN |
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DO kj=0,1 |
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DO ki=0,1 |
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STREAMICE_umask (i+ki,j+kj,bi,bj) = 1.0 |
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STREAMICE_vmask (i+ki,j+kj,bi,bj) = 1.0 |
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ENDDO |
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ENDDO |
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DO ki=0,1 |
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maskFlag=INT(STREAMICE_ufacemask_bdry(i+ki,j,bi,bj)) |
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IF (maskFlag.EQ.3) THEN |
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DO kj=0,1 |
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STREAMICE_umask(i+ki,j+kj,bi,bj) = 3.0 |
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dgoldberg |
1.3 |
STREAMICE_vmask(i+ki,j+kj,bi,bj) = 3.0 |
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heimbach |
1.1 |
ENDDO |
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STREAMICE_ufacemask(i+ki,j,bi,bj) = 3.0 |
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ELSE IF (maskFlag.EQ.2) THEN |
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dgoldberg |
1.3 |
!DO kj=0,1 |
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STREAMICE_ufacemask(i+ki,j,bi,bj) = 2.0 |
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!ENDDO |
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heimbach |
1.1 |
ELSE IF (maskFlag.EQ.4) THEN |
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DO kj=0,1 |
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STREAMICE_umask(i+ki,j+kj,bi,bj) = 0.0 |
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STREAMICE_vmask(i+ki,j+kj,bi,bj) = 0.0 |
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ENDDO |
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STREAMICE_ufacemask(i+ki,j,bi,bj) = 4.0 |
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ELSE IF (maskFlag.EQ.0) THEN |
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DO kj=0,1 |
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STREAMICE_umask(i+ki,j+kj,bi,bj) = 0.0 |
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STREAMICE_vmask(i+ki,j+kj,bi,bj) = 0.0 |
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ENDDO |
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STREAMICE_ufacemask(i+ki,j,bi,bj) = 0.0 |
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ELSE IF (maskFlag.EQ.1) THEN |
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DO kj=0,1 |
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STREAMICE_umask(i+ki,j+kj,bi,bj) = 0.0 |
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ENDDO |
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END IF |
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ENDDO |
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DO kj=0,1 |
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maskFlag=INT(STREAMICE_vfacemask_bdry(i,j+kj,bi,bj)) |
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IF (maskFlag.EQ.3) THEN |
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DO ki=0,1 |
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STREAMICE_vmask(i+ki,j+kj,bi,bj) = 3.0 |
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dgoldberg |
1.3 |
STREAMICE_umask(i+ki,j+kj,bi,bj) = 3.0 |
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heimbach |
1.1 |
ENDDO |
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dgoldberg |
1.3 |
STREAMICE_vfacemask(i,j+kj,bi,bj) = 3.0 |
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heimbach |
1.1 |
ELSE IF (maskFlag.EQ.2) THEN |
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dgoldberg |
1.3 |
!DO ki=0,1 |
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STREAMICE_vfacemask(i,j+kj,bi,bj) = 2.0 |
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!ENDDO |
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heimbach |
1.1 |
ELSE IF (maskFlag.EQ.4) THEN |
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DO ki=0,1 |
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STREAMICE_umask(i+ki,j+kj,bi,bj) = 0.0 |
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STREAMICE_vmask(i+ki,j+kj,bi,bj) = 0.0 |
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ENDDO |
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dgoldberg |
1.3 |
STREAMICE_vfacemask(i,j+kj,bi,bj) = 4.0 |
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heimbach |
1.1 |
ELSE IF (maskFlag.EQ.0) THEN |
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DO ki=0,1 |
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STREAMICE_umask(i+ki,j+kj,bi,bj) = 0.0 |
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STREAMICE_vmask(i+ki,j+kj,bi,bj) = 0.0 |
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ENDDO |
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STREAMICE_vfacemask(i+ki,j,bi,bj) = 0.0 |
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ELSE IF (maskFlag.EQ.1) THEN |
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DO ki=0,1 |
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STREAMICE_vmask(i+ki,j+kj,bi,bj) = 0.0 |
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ENDDO |
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ENDIF |
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ENDDO |
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IF (i .lt. sNx+OLx) THEN |
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IF ((STREAMICE_hmask(i+1,j,bi,bj) .eq. 0.0) .OR. |
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& (STREAMICE_hmask(i+1,j,bi,bj) .eq. 2.0)) THEN |
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!right boundary or adjacent to unfilled cell |
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STREAMICE_ufacemask(i+1,j,bi,bj) = 2.0 |
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ENDIF |
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ENDIF |
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IF (i .gt. 1-OLx) THEN |
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IF ((STREAMICE_hmask(i-1,j,bi,bj) .eq. 0.0) .OR. |
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& (STREAMICE_hmask(i-1,j,bi,bj) .eq. 2.0)) THEN |
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!left boundary or adjacent to unfilled cell |
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STREAMICE_ufacemask(i,j,bi,bj) = 2 |
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ENDIF |
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ENDIF |
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IF (j .lt. sNy+OLy) THEN |
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IF ((STREAMICE_hmask(i,j+1,bi,bj) .eq. 0.0) .OR. |
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& (STREAMICE_hmask(i,j+1,bi,bj) .eq. 2.0)) THEN |
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!top boundary or adjacent to unfilled cell |
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STREAMICE_vfacemask(i,j+1,bi,bj) = 2 |
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ENDIF |
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ENDIF |
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IF (j .gt. 1-OLy) THEN |
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IF ((STREAMICE_hmask(i,j-1,bi,bj) .eq. 0.0) .OR. |
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& (STREAMICE_hmask(i,j-1,bi,bj) .eq. 2.0)) THEN |
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!bot boundary or adjacent to unfilled cell |
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STREAMICE_vfacemask(i,j,bi,bj) = 2.0 |
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ENDIF |
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ENDIF |
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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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_EXCH_XY_RL( STREAMICE_ufacemask, myThid ) |
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_EXCH_XY_RL( STREAMICE_vfacemask, myThid ) |
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_EXCH_XY_RL( STREAMICE_umask, myThid ) |
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_EXCH_XY_RL( STREAMICE_vmask, myThid ) |
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! CALL WRITE_FULLARRAY_RL ("umask",STREAMICE_umask, |
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! c 1,0,0,1,0,myThid) |
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dgoldberg |
1.3 |
CALL WRITE_FLD_XY_RL ("umask","",STREAMICE_umask,0,myThid) |
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CALL WRITE_FLD_XY_RL ("vmask","",STREAMICE_vmask,0,myThid) |
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CALL WRITE_FLD_XY_RL ("ufacemask","",STREAMICE_ufacemask,0,myThid) |
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CALL WRITE_FLD_XY_RL ("vfacemask","",STREAMICE_vfacemask,0,myThid) |
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heimbach |
1.1 |
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dgoldberg |
1.4 |
#ifdef ALLOW_PETSC |
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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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streamice_petsc_dofs_u (i,j,bi,bj) = -2.0 |
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streamice_petsc_dofs_v (i,j,bi,bj) = -2.0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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DoFCount = -1.0 |
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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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C DOFS ARE NUMBERED AS FOLLOWS ON PROCESSOR DOMAIN: |
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C grid is stepped through in order bj, bi, j, i |
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C 1) if umask(i,j,bi,bj)==1, the counter is updated by 1; |
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C streamice_petsc_dofs_u is assigned the counter; |
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C o/w streamice_petsc_dofs_u is assigned -1 |
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C 2) if vmask(i,j,bi,bj)==1, the counter is updated by 1; |
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C streamice_petsc_dofs_v is assigned the counter; |
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C o/w streamice_petsc_dofs_v is assigned -1 |
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C NOTE THESE NUMBERING ARRAYS ARE USED TO CONSTRUCT PETSC VECTORS AND MATRIX |
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if (STREAMICE_umask (i,j,bi,bj).eq.1) THEN |
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DoFCount = DoFCount + 1.0 |
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streamice_petsc_dofs_u (i,j,bi,bj) = DoFCount |
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else |
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streamice_petsc_dofs_u (i,j,bi,bj) = -1.0 |
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endif |
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if (STREAMICE_vmask (i,j,bi,bj).eq.1) THEN |
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DoFCount = DoFCount + 1.0 |
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streamice_petsc_dofs_v (i,j,bi,bj) = DoFCount |
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else |
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streamice_petsc_dofs_v (i,j,bi,bj) = -1.0 |
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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_USE_MPI |
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DO i=0,nPx*nPy-1 |
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n_dofs_proc_loc (i) = 0 |
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ENDDO |
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CALL MPI_COMM_RANK( MPI_COMM_WORLD, mpiMyWId, mpiRC ) |
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n_dofs_proc_loc (mpiMyWId) = INT(DoFCount)+1 |
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CALL MPI_Allreduce(n_dofs_proc_loc,n_dofs_process,nPx*nPy, |
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& MPI_INTEGER, MPI_SUM,MPI_COMM_MODEL,mpiRC) |
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n_dofs_cum_sum(0) = 0 |
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DO i=1,nPx*nPy-1 |
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n_dofs_cum_sum(i) = n_dofs_cum_sum(i-1)+ |
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& n_dofs_process(i-1) |
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ENDDO |
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#else /* ALLOW_USE_MPI */ |
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n_dofs_process (0) = INT(DoFCount)+1 |
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n_dofs_cum_sum (0) = INT(DoFCount)+1 |
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#endif /* ALLOW_USE_MPI */ |
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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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IF (streamice_petsc_dofs_u(i,j,bi,bj).ge.0 ) THEN |
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streamice_petsc_dofs_u(i,j,bi,bj) = |
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& streamice_petsc_dofs_u(i,j,bi,bj) + |
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& n_dofs_cum_sum(mpimywid) |
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ENDIF |
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IF (streamice_petsc_dofs_v(i,j,bi,bj).ge.0 ) THEN |
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streamice_petsc_dofs_v(i,j,bi,bj) = |
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& streamice_petsc_dofs_v(i,j,bi,bj) + |
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& n_dofs_cum_sum(mpimywid) |
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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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_EXCH_XY_RS(streamice_petsc_dofs_u,myThid) |
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_EXCH_XY_RS(streamice_petsc_dofs_v,myThid) |
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#endif /* ALLOW_PETSC */ |
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heimbach |
1.1 |
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#endif |
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RETURN |
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END |
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