/[MITgcm]/MITgcm_contrib/MPMice/beaufort/code/OBCS_OPTIONS.h
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Contents of /MITgcm_contrib/MPMice/beaufort/code/OBCS_OPTIONS.h

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Revision 1.2 - (show annotations) (download)
Fri Dec 16 01:46:14 2011 UTC (13 years, 7 months ago) by dimitri
Branch: MAIN
Changes since 1.1: +17 -6 lines
File MIME type: text/plain
enable OBCS_UVICE_OLD for backward compatibility

1 C $Header: /u/gcmpack/MITgcm_contrib/MPMice/beaufort/code/OBCS_OPTIONS.h,v 1.1 2009/05/31 03:41:36 dimitri Exp $
2 C $Name: $
3
4 C CPP options file for OBCS package
5 C
6 C Use this file for selecting options within the OBCS package
7 C
8 C OBCS is enabled with ALLOW_OBCS in CPP_OPTIONS.h
9
10 #ifndef OBCS_OPTIONS_H
11 #define OBCS_OPTIONS_H
12 #include "PACKAGES_CONFIG.h"
13 #include "CPP_OPTIONS.h"
14
15 #ifdef ALLOW_OBCS
16
17 C Enable individual open boundaries
18 #define ALLOW_OBCS_NORTH
19 #define ALLOW_OBCS_SOUTH
20 #undef ALLOW_OBCS_EAST
21 #define ALLOW_OBCS_WEST
22
23 C This include hooks to the Orlanski Open Boundary Radiation code
24 #undef ALLOW_ORLANSKI
25
26 C Enable OB values to be prescribed via external fields that are read
27 C from a file
28 #define ALLOW_OBCS_PRESCRIBE
29
30 C Enable OB conditions following Stevens (1990)
31 #undef ALLOW_OBCS_STEVENS
32
33 C This includes hooks to sponge layer treatment of uvel, vvel
34 #undef ALLOW_OBCS_SPONGE
35
36 C balance barotropic velocity
37 #undef ALLOW_OBCS_BALANCE
38
39 C Use older implementation of obcs in seaice-dynamics
40 C note: most of the "experimental" options listed below have not yet
41 C been implementated in new version.
42 #define OBCS_UVICE_OLD
43
44 #ifdef OBCS_UVICE_OLD
45 C The following five CPP options are experimental and aim to deal
46 C with artifacts due to the low-frequency specification of sea-ice
47 C boundary conditions compared to the model forcing frequency.
48 C Ice convergence at edges can cause model to blow up. The
49 C following CPP option fixes this problem at the expense of less
50 C accurate boundary conditions.
51 #undef OBCS_SEAICE_AVOID_CONVERGENCE
52
53 C Smooth the component of sea-ice velocity perpendicular to the edge.
54 #define OBCS_SEAICE_SMOOTH_UVICE_PERP
55
56 C Smooth the component of sea ice velocity parallel to the edge.
57 #define OBCS_SEAICE_SMOOTH_UVICE_PAR
58
59 C Compute rather than specify seaice velocities at the edges.
60 #undef OBCS_SEAICE_COMPUTE_UVICE
61 #endif /* OBCS_UVICE_OLD */
62
63 C Smooth the tracer sea-ice variables near the edges.
64 #undef OBCS_SEAICE_SMOOTH_EDGE
65
66 #endif /* ALLOW_OBCS */
67 #endif /* OBCS_OPTIONS_H */

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