7 |
SUBROUTINE SEAICE_CALC_STRAINRATES( |
SUBROUTINE SEAICE_CALC_STRAINRATES( |
8 |
I uFld, vFld, |
I uFld, vFld, |
9 |
O e11, e22, e12, |
O e11, e22, e12, |
10 |
I iStep, myTime, myIter, myThid ) |
I kSize, iStep, myTime, myIter, myThid ) |
11 |
C /==========================================================\ |
C /==========================================================\ |
12 |
C | SUBROUTINE SEAICE_CALC_STRAINRATES | |
C | SUBROUTINE SEAICE_CALC_STRAINRATES | |
13 |
C | o compute strain rates from ice velocities | |
C | o compute strain rates from ice velocities | |
32 |
C myTime :: Simulation time |
C myTime :: Simulation time |
33 |
C myIter :: Simulation timestep number |
C myIter :: Simulation timestep number |
34 |
C myThid :: My Thread Id. number |
C myThid :: My Thread Id. number |
35 |
|
C kSize :: length of 3rd dimension of velocity variables |
36 |
INTEGER iStep |
INTEGER iStep |
37 |
_RL myTime |
_RL myTime |
38 |
INTEGER myIter |
INTEGER myIter |
39 |
INTEGER myThid |
INTEGER myThid |
40 |
|
INTEGER kSize |
41 |
C ice velocities |
C ice velocities |
42 |
_RL uFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
_RL uFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,kSize,nSx,nSy) |
43 |
_RL vFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,nSx,nSy) |
_RL vFld(1-Olx:sNx+Olx,1-Oly:sNy+Oly,kSize,nSx,nSy) |
44 |
C strain rate tensor |
C strain rate tensor |
45 |
_RL e11 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL e11 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
46 |
_RL e22 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
_RL e22 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
64 |
DO i=1-Olx,sNx+Olx-1 |
DO i=1-Olx,sNx+Olx-1 |
65 |
C evaluate strain rates |
C evaluate strain rates |
66 |
e11(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) * |
e11(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) * |
67 |
& (uFld(I+1,J,bi,bj)-uFld(I,J,bi,bj)) |
& (uFld(I+1,J,1,bi,bj)-uFld(I,J,1,bi,bj)) |
68 |
& -HALF* |
& -HALF* |
69 |
& (vFld(I,J,bi,bj)+vFld(I,J+1,bi,bj)) |
& (vFld(I,J,1,bi,bj)+vFld(I,J+1,1,bi,bj)) |
70 |
& * _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
& * _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
71 |
e22(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) * |
e22(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) * |
72 |
& (vFld(I,J+1,bi,bj)-vFld(I,J,bi,bj)) |
& (vFld(I,J+1,1,bi,bj)-vFld(I,J,1,bi,bj)) |
73 |
C one metric term is missing |
C one metric term is missing |
74 |
ENDDO |
ENDDO |
75 |
ENDDO |
ENDDO |
76 |
DO j=1-Oly+1,sNy+Oly |
DO j=1-Oly+1,sNy+Oly |
77 |
DO i=1-Olx+1,sNx+Olx |
DO i=1-Olx+1,sNx+Olx |
78 |
e12(I,J,bi,bj) = HALF*( |
e12(I,J,bi,bj) = HALF*( |
79 |
& (uFld(I ,J ,bi,bj) * _dxC(I ,J ,bi,bj) |
& (uFld(I ,J ,1,bi,bj) * _dxC(I ,J ,bi,bj) |
80 |
& -uFld(I ,J-1,bi,bj) * _dxC(I ,J-1,bi,bj) |
& -uFld(I ,J-1,1,bi,bj) * _dxC(I ,J-1,bi,bj) |
81 |
& +vFld(I ,J ,bi,bj) * _dyC(I ,J ,bi,bj) |
& +vFld(I ,J ,1,bi,bj) * _dyC(I ,J ,bi,bj) |
82 |
& -vFld(I-1,J ,bi,bj) * _dyC(I-1,J ,bi,bj)) |
& -vFld(I-1,J ,1,bi,bj) * _dyC(I-1,J ,bi,bj)) |
83 |
& * recip_rAz(I,J,bi,bj) |
& * recip_rAz(I,J,bi,bj) |
84 |
& + |
& + |
85 |
& 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)) |
86 |
& * ( _tanPhiAtU(I,J,bi,bj) + _tanPhiAtU(I,J-1,bi,bj) ) |
& * ( _tanPhiAtU(I,J,bi,bj) + _tanPhiAtU(I,J-1,bi,bj) ) |
87 |
& *recip_rSphere |
& *recip_rSphere |
88 |
& ) |
& ) |
99 |
hFacV = _maskS(i,j,k,bi,bj) - _maskS(i-1,j,k,bi,bj) |
hFacV = _maskS(i,j,k,bi,bj) - _maskS(i-1,j,k,bi,bj) |
100 |
|
|
101 |
e12(I,J,bi,bj) = e12(I,J,bi,bj) |
e12(I,J,bi,bj) = e12(I,J,bi,bj) |
102 |
& + recip_rAz(i,j,bi,bj) * |
& + recip_rAz(i,j,bi,bj) * 2. _d 0 * |
103 |
& ( hFacU * ( _dxC(i,j-1,bi,bj)*uFld(i,j ,bi,bj) |
& ( hFacU * ( _dxC(i,j-1,bi,bj)*uFld(i,j ,1,bi,bj) |
104 |
& + _dxC(i,j, bi,bj)*uFld(i,j-1,bi,bj) ) |
& + _dxC(i,j, bi,bj)*uFld(i,j-1,1,bi,bj) ) |
105 |
& + hFacV * ( _dyC(i-1,j,bi,bj)*vFld(i ,j,bi,bj) |
& + hFacV * ( _dyC(i-1,j,bi,bj)*vFld(i ,j,1,bi,bj) |
106 |
& + _dyC(i, j,bi,bj)*vFld(i-1,j,bi,bj) ) ) |
& + _dyC(i, j,bi,bj)*vFld(i-1,j,1,bi,bj) ) ) |
107 |
& - hFacU |
& - hFacU |
108 |
& * 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)) |
109 |
& * ( _tanPhiAtU(I,J,bi,bj) + _tanPhiAtU(I,J-1,bi,bj) ) |
& * ( _tanPhiAtU(I,J,bi,bj) + _tanPhiAtU(I,J-1,bi,bj) ) |
110 |
& *recip_rSphere |
& *recip_rSphere |
111 |
C one metric term is missing |
C one metric term is missing |