/[MITgcm]/MITgcm/verification/obcs_ctrl/code_ad/OBCS_OPTIONS.h
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revision 1.1 by mmazloff, Wed Apr 20 19:17:39 2011 UTC revision 1.4 by dimitri, Sat Sep 27 00:13:41 2014 UTC
# Line 1  Line 1 
1  C $Header$  C $Header$
2  C $Name$  C $Name$
3    
4  C CPP options file for OBCS package  C CPP options file for OBCS package
 C  
5  C Use this file for selecting options within the OBCS package  C Use this file for selecting options within the OBCS package
 C  
 C OBCS is enabled with ALLOW_OBCS in CPP_OPTIONS.h  
6    
7  #ifndef OBCS_OPTIONS_H  #ifndef OBCS_OPTIONS_H
8  #define OBCS_OPTIONS_H  #define OBCS_OPTIONS_H
# Line 13  C OBCS is enabled with ALLOW_OBCS in CPP Line 10  C OBCS is enabled with ALLOW_OBCS in CPP
10  #include "CPP_OPTIONS.h"  #include "CPP_OPTIONS.h"
11    
12  #ifdef ALLOW_OBCS  #ifdef ALLOW_OBCS
13    C Package-specific Options & Macros go here
14    
15  C Enable individual open boundaries  C Enable individual open boundaries
16  #define ALLOW_OBCS_NORTH  #define ALLOW_OBCS_NORTH
# Line 23  C Enable individual open boundaries Line 21  C Enable individual open boundaries
21  C This include hooks to the Orlanski Open Boundary Radiation code  C This include hooks to the Orlanski Open Boundary Radiation code
22  #undef ALLOW_ORLANSKI  #undef ALLOW_ORLANSKI
23    
24  C Enable OB values to be prescribed via EXF package  C Enable OB values to be prescribed via external fields that are read
25    C from a file
26  #define ALLOW_OBCS_PRESCRIBE  #define ALLOW_OBCS_PRESCRIBE
27    
28  C This includes hooks to sponge layer treatment of uvel, vvel  C Enable OB conditions following Stevens (1990)
29    #undef ALLOW_OBCS_STEVENS
30    
31    C Allow sponge layer treatment of open boundary conditions
32  #define ALLOW_OBCS_SPONGE  #define ALLOW_OBCS_SPONGE
33    
34    C Include hooks to sponge layer treatment of pkg/seaice variables
35    #undef ALLOW_OBCS_SEAICE_SPONGE
36    
37  C balance barotropic velocity  C balance barotropic velocity
38  #undef ALLOW_OBCS_BALANCE  #undef ALLOW_OBCS_BALANCE
39    
40    C add tidal contributions to normal OB flow
41    #undef ALLOW_OBCS_TIDES
42    
43    C Use older implementation of obcs in seaice-dynamics
44    C note: most of the "experimental" options listed below have not yet
45    C       been implementated in new version.
46    #undef OBCS_UVICE_OLD
47    
48    #ifdef OBCS_UVICE_OLD
49    C     The following five CPP options are experimental and aim to deal
50    C     with artifacts due to the low-frequency specification of sea-ice
51    C     boundary conditions compared to the model forcing frequency.
52    C     Ice convergence at edges can cause model to blow up.  The
53    C     following CPP option fixes this problem at the expense of less
54    C     accurate boundary conditions.
55    #undef OBCS_SEAICE_AVOID_CONVERGENCE
56    
57    C     Smooth the component of sea-ice velocity perpendicular to the edge.
58    #undef OBCS_SEAICE_SMOOTH_UVICE_PERP
59    
60    C     Smooth the component of sea ice velocity parallel to the edge.
61    #undef OBCS_SEAICE_SMOOTH_UVICE_PAR
62    
63    C     Compute rather than specify seaice velocities at the edges.
64    #undef OBCS_SEAICE_COMPUTE_UVICE
65    #endif /* OBCS_UVICE_OLD */
66    
67    C     Smooth the tracer sea-ice variables near the edges.
68    #undef OBCS_SEAICE_SMOOTH_EDGE
69    
70  #endif /* ALLOW_OBCS */  #endif /* ALLOW_OBCS */
71  #endif /* OBCS_OPTIONS_H */  #endif /* OBCS_OPTIONS_H */
   
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