/[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 1.3 by dimitri, Fri Sep 26 12:27:36 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 Allow sponge layers at following boundaries
35    #define ALLOW_OBCS_SPONGE_N
36    #define ALLOW_OBCS_SPONGE_S
37    #define ALLOW_OBCS_SPONGE_E
38    #define ALLOW_OBCS_SPONGE_W
39    
40    C Allow sponge layers for uVel and vVel at following boundaries
41    #define ALLOW_OBCS_U_AT_NS
42    #define ALLOW_OBCS_U_AT_EW
43    #define ALLOW_OBCS_V_AT_NS
44    #define ALLOW_OBCS_V_AT_EW
45    
46    C Allow sponge layers for Theta and Salt
47    #define ALLOW_OBCS_SPONGE_THETA
48    #define ALLOW_OBCS_SPONGE_SALT
49    
50    C Use linear instead of exponential sponge layer
51    #undef USE_OBCS_LINEAR
52    
53    C Include hooks to sponge layer treatment of pkg/seaice variables
54    #undef ALLOW_OBCS_SEAICE_SPONGE
55    
56  C balance barotropic velocity  C balance barotropic velocity
57  #undef ALLOW_OBCS_BALANCE  #undef ALLOW_OBCS_BALANCE
58    
59    C add tidal contributions to normal OB flow
60    #undef ALLOW_OBCS_TIDES
61    
62    C Use older implementation of obcs in seaice-dynamics
63    C note: most of the "experimental" options listed below have not yet
64    C       been implementated in new version.
65    #undef OBCS_UVICE_OLD
66    
67    #ifdef OBCS_UVICE_OLD
68    C     The following five CPP options are experimental and aim to deal
69    C     with artifacts due to the low-frequency specification of sea-ice
70    C     boundary conditions compared to the model forcing frequency.
71    C     Ice convergence at edges can cause model to blow up.  The
72    C     following CPP option fixes this problem at the expense of less
73    C     accurate boundary conditions.
74    #undef OBCS_SEAICE_AVOID_CONVERGENCE
75    
76    C     Smooth the component of sea-ice velocity perpendicular to the edge.
77    #undef OBCS_SEAICE_SMOOTH_UVICE_PERP
78    
79    C     Smooth the component of sea ice velocity parallel to the edge.
80    #undef OBCS_SEAICE_SMOOTH_UVICE_PAR
81    
82    C     Compute rather than specify seaice velocities at the edges.
83    #undef OBCS_SEAICE_COMPUTE_UVICE
84    #endif /* OBCS_UVICE_OLD */
85    
86    C     Smooth the tracer sea-ice variables near the edges.
87    #undef OBCS_SEAICE_SMOOTH_EDGE
88    
89  #endif /* ALLOW_OBCS */  #endif /* ALLOW_OBCS */
90  #endif /* OBCS_OPTIONS_H */  #endif /* OBCS_OPTIONS_H */
   

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