/[MITgcm]/MITgcm/pkg/seaice/SEAICE_OPTIONS.h
ViewVC logotype

Diff of /MITgcm/pkg/seaice/SEAICE_OPTIONS.h

Parent Directory Parent Directory | Revision Log Revision Log | View Revision Graph Revision Graph | View Patch Patch

revision 1.68 by jmc, Thu Nov 15 20:10:03 2012 UTC revision 1.73 by mlosch, Thu Mar 7 08:32:48 2013 UTC
# Line 34  C     in a separate external package, fo Line 34  C     in a separate external package, fo
34  C     modified for sea-ice effects by pkg/seaice.  C     modified for sea-ice effects by pkg/seaice.
35  #define SEAICE_EXTERNAL_FLUXES  #define SEAICE_EXTERNAL_FLUXES
36    
37  C--   The actual number of ice categories used to solve for seaice flux is  C--   This CPP flag has been retired.  The number of ice categories
38  C     now a run-time parameter (SEAICE_multDim).  C     used to solve for seaice flux is now specified by run-time
39  C     This CPP-flag will be completely removed soon (no longer in main code);  C     parameter SEAICE_multDim.
40  C     it is just used to set default number of categories, i.e., =1 if undef,  C     Note: be aware of pickup_seaice.* compatibility issues when
41  C     or =MULTDIM if defined (MULTDIM=7 in default SEAICE_SIZE.h).  C     restarting a simulation with a different number of categories.
 C     Note: be aware of pickup_seaice.* compatibility issues when restarting  
 C     a simulation with a different number of categories.  
42  c#define SEAICE_MULTICATEGORY  c#define SEAICE_MULTICATEGORY
43    
44  C--   run with sea Ice Thickness Distribution (ITD);  C--   run with sea Ice Thickness Distribution (ITD);
45  C     set number of categories (nITD) in SEAICE_SIZE.h  C     set number of categories (nITD) in SEAICE_SIZE.h
46  #undef SEAICE_ITD  #undef SEAICE_ITD
47    
 C--   SEAICE_ITD replaces SEAICE_MULTICATEGORY  
 #ifdef SEAICE_ITD  
 #undef SEAICE_MULTICATEGORY  
 #endif  
   
 C--   Use the Old version of seaice_growth (close to cvs version 1.70)  
 C     otherwise, use the merged version (with some of Ian Fenty s code)  
 #undef SEAICE_GROWTH_LEGACY  
   
48  C--   Since the missing sublimation term is now included  C--   Since the missing sublimation term is now included
49  C     this flag is needed for backward compatibility  C     this flag is needed for backward compatibility
50  #undef SEAICE_DISABLE_SUBLIM  #undef SEAICE_DISABLE_SUBLIM
# Line 85  C--   Only for the C-grid version it is Line 74  C--   Only for the C-grid version it is
74  #ifdef SEAICE_CGRID  #ifdef SEAICE_CGRID
75  C     enable JFNK code by defining the following flag  C     enable JFNK code by defining the following flag
76  # define SEAICE_ALLOW_JFNK  # define SEAICE_ALLOW_JFNK
77    C     enable LSR to use global (multi-tile) tri-diagonal solver
78    # undef SEAICE_GLOBAL_3DIAG_SOLVER
79  C     enable EVP code by defining the following flag  C     enable EVP code by defining the following flag
80  # define SEAICE_ALLOW_EVP  # define SEAICE_ALLOW_EVP
81  # ifdef SEAICE_ALLOW_EVP  # ifdef SEAICE_ALLOW_EVP
# Line 98  C     solvers (Lemieux and Tremblay 2009 Line 89  C     solvers (Lemieux and Tremblay 2009
89  # undef SEAICE_ZETA_SMOOTHREG  # undef SEAICE_ZETA_SMOOTHREG
90  C     allow the truncated ellipse rheology (runtime flag SEAICEuseTEM)  C     allow the truncated ellipse rheology (runtime flag SEAICEuseTEM)
91  # undef SEAICE_ALLOW_TEM  # undef SEAICE_ALLOW_TEM
92    C     Use LSR vector code; not useful on non-vector machines, because it
93    C     slows down convergence considerably, but the extra iterations are
94    C     more than made up by the much faster code on vector machines. For
95    C     the only regularly test vector machine these flags a specified
96    C     in the build options file SUPER-UX_SX-8_sxf90_awi, so that we comment
97    C     them out here.
98    C# define SEAICE_VECTORIZE_LSR
99    C# ifdef SEAICE_VECTORIZE_LSR
100    C     Use modified LSR vector code that splits vector loop into two with
101    C     step size 2. This modification improves the convergence of the vector
102    C     code dramatically, so that is may actually be useful in general, but
103    C     that needs to be tested.
104    C#  define SEAICE_VECTORIZE_LSR_ZEBRA
105    C# endif
106  #else /* not SEAICE_CGRID, but old B-grid */  #else /* not SEAICE_CGRID, but old B-grid */
107  C--   By default for B-grid dynamics solver wind stress under sea-ice is  C--   By default for B-grid dynamics solver wind stress under sea-ice is
108  C     set to the same value as it would be if there was no sea-ice.  C     set to the same value as it would be if there was no sea-ice.
# Line 114  C     It is here for completeness, but i Line 119  C     It is here for completeness, but i
119  # undef SEAICE_LSRBNEW  # undef SEAICE_LSRBNEW
120  #endif /* SEAICE_CGRID */  #endif /* SEAICE_CGRID */
121    
 C--   When set use MAX_HEFF to cap seaice thickness in seaice_growth;  
 C     currently only relevant for SEAICE_GROWTH_LEGACY  
 #undef SEAICE_CAP_HEFF  
122  C--   When set limit the Ice-Loading to mass of 1/5 of Surface ocean grid-box  C--   When set limit the Ice-Loading to mass of 1/5 of Surface ocean grid-box
123  #undef SEAICE_CAP_ICELOAD  #undef SEAICE_CAP_ICELOAD
124  C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,  C--   When set use SEAICE_clipVelocties = .true., to clip U/VICE at 40cm/s,
Legend:
Removed from v.1.68  
changed lines
  Added in v.1.73
  ViewVC Help
Powered by ViewVC 1.1.22