--- MITgcm/pkg/seaice/seaice_calc_strainrates.F 2007/06/19 12:09:36 1.6 +++ MITgcm/pkg/seaice/seaice_calc_strainrates.F 2007/11/14 15:55:48 1.9 @@ -1,13 +1,13 @@ -C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/seaice/seaice_calc_strainrates.F,v 1.6 2007/06/19 12:09:36 mlosch Exp $ +C $Header: /home/ubuntu/mnt/e9_copy/MITgcm/pkg/seaice/seaice_calc_strainrates.F,v 1.9 2007/11/14 15:55:48 mlosch Exp $ C $Name: $ #include "SEAICE_OPTIONS.h" CStartOfInterface - SUBROUTINE SEAICE_CALC_STRAINRATES( + SUBROUTINE SEAICE_CALC_STRAINRATES( I uFld, vFld, O e11, e22, e12, - I myThid ) + I kSize, iStep, myTime, myIter, myThid ) C /==========================================================\ C | SUBROUTINE SEAICE_CALC_STRAINRATES | C | o compute strain rates from ice velocities | @@ -28,11 +28,19 @@ #endif C === Routine arguments === -C myThid - Thread no. that called this routine. +C iStep :: Sub-time-step number +C myTime :: Simulation time +C myIter :: Simulation timestep number +C myThid :: My Thread Id. number +C kSize :: length of 3rd dimension of velocity variables + INTEGER iStep + _RL myTime + INTEGER myIter INTEGER myThid + INTEGER kSize C ice velocities - _RL uFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) - _RL vFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) + _RL uFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,kSize,nSx,nSy) + _RL vFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,kSize,nSx,nSy) C strain rate tensor _RL e11 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) _RL e22 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) @@ -56,25 +64,25 @@ DO i=1-Olx,sNx+Olx-1 C evaluate strain rates e11(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) * - & (uFld(I+1,J,bi,bj)-uFld(I,J,bi,bj)) + & (uFld(I+1,J,1,bi,bj)-uFld(I,J,1,bi,bj)) & -HALF* - & (vFld(I,J,bi,bj)+vFld(I,J+1,bi,bj)) + & (vFld(I,J,1,bi,bj)+vFld(I,J+1,1,bi,bj)) & * _tanPhiAtU(I,J,bi,bj)*recip_rSphere e22(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) * - & (vFld(I,J+1,bi,bj)-vFld(I,J,bi,bj)) + & (vFld(I,J+1,1,bi,bj)-vFld(I,J,1,bi,bj)) C one metric term is missing ENDDO ENDDO DO j=1-Oly+1,sNy+Oly DO i=1-Olx+1,sNx+Olx e12(I,J,bi,bj) = HALF*( - & (uFld(I ,J ,bi,bj) * _dxC(I ,J ,bi,bj) - & -uFld(I ,J-1,bi,bj) * _dxC(I ,J-1,bi,bj) - & +vFld(I ,J ,bi,bj) * _dyC(I ,J ,bi,bj) - & -vFld(I-1,J ,bi,bj) * _dyC(I-1,J ,bi,bj)) + & (uFld(I ,J ,1,bi,bj) * _dxC(I ,J ,bi,bj) + & -uFld(I ,J-1,1,bi,bj) * _dxC(I ,J-1,bi,bj) + & +vFld(I ,J ,1,bi,bj) * _dyC(I ,J ,bi,bj) + & -vFld(I-1,J ,1,bi,bj) * _dyC(I-1,J ,bi,bj)) & * recip_rAz(I,J,bi,bj) & + - & 0.25 _d 0 * (uFld(I,J,bi,bj)+uFld(I ,J-1,bi,bj)) + & 0.25 _d 0 * (uFld(I,J,1,bi,bj)+uFld(I ,J-1,1,bi,bj)) & * ( _tanPhiAtU(I,J,bi,bj) + _tanPhiAtU(I,J-1,bi,bj) ) & *recip_rSphere & ) @@ -91,13 +99,13 @@ hFacV = _maskS(i,j,k,bi,bj) - _maskS(i-1,j,k,bi,bj) e12(I,J,bi,bj) = e12(I,J,bi,bj) - & + recip_rAz(i,j,bi,bj) * - & ( hFacU * ( _dxC(i,j ,bi,bj)*uFld(i,j ,bi,bj) - & + _dxC(i,j-1,bi,bj)*uFld(i,j-1,bi,bj) ) - & + hFacV * ( _dyC(i ,j,bi,bj)*vFld(i ,j,bi,bj) - & + _dyC(i-1,j,bi,bj)*vFld(i-1,j,bi,bj) ) ) - & - hFacU - & * 0.25 _d 0 * (uFld(I,J,bi,bj)+uFld(I ,J-1,bi,bj)) + & + recip_rAz(i,j,bi,bj) * + & ( hFacU * ( _dxC(i,j-1,bi,bj)*uFld(i,j ,1,bi,bj) + & + _dxC(i,j, bi,bj)*uFld(i,j-1,1,bi,bj) ) + & + hFacV * ( _dyC(i-1,j,bi,bj)*vFld(i ,j,1,bi,bj) + & + _dyC(i, j,bi,bj)*vFld(i-1,j,1,bi,bj) ) ) + & - hFacU + & * 0.25 _d 0 * (uFld(I,J,1,bi,bj)+uFld(I ,J-1,1,bi,bj)) & * ( _tanPhiAtU(I,J,bi,bj) + _tanPhiAtU(I,J-1,bi,bj) ) & *recip_rSphere C one metric term is missing