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revision 1.3 by adcroft, Mon Mar 22 16:24:20 1999 UTC revision 1.8 by jmc, Mon Mar 10 01:35:16 2014 UTC
# Line 1  Line 1 
1  Example: "Flow over a bump with Open Boundaries"  Example: "Flow over a bump with Open Boundaries and passive tracers"
2  ================================================  ====================================================================
3    
4  To apply the changes to the default configuration of MITgcmUV:  default paths are (as used in testreport):
5    cp ../verification/exp4/code/SIZE.h ../model/inc/    set build_dir = ${cwd}/build
6    cp ../verification/exp4/code/CPP_OPTIONS.h ../model/inc/    set run_dir   = ${cwd}/run
7    cp ../verification/exp4/code/CPP_EEOPTIONS.h ../eesupp/inc/    set ROOT      = ${cwd}/../../
8    
9  Configure and compile the code:  Configure and compile the code:
10    cd bin    cd ${build_dir}
11    ../tools/genmake -makefile    ${ROOT}/tools/genmake2 -mods ../code [-of my_platform_optionFile]
12    make depend    make depend
13    make    make
14      cd ..
15    
16  To run:  To run:
17    cd ../exe    cd ${run_dir}
18    cp ../verification/exp4/input/* .    ln -s ../input/* .
19    ./mitgcmuv    ${build_dir}/mitgcmuv > output.txt
20      cd ..
21    
22  There is comparison output in the directory:  There is comparison output in the directory:
23   ../verification/exp4/results   results      ( absolute path: ${run_dir}/../results )
24    
25  Comments:  Comments:
26  The input data is real*8.  The input data is real*8.
27    
28    This experiment is a channel with topography and four open
29  See the file doc/OpenBound.html or doc/OpenBound.txt for information  boundaries. Salinity is not dynamically active in this experiment
30  on open boundaries  (linear equation of state with sBeta=0). Different kinds of open
31    boundary values are used: zonal (x-)velocity U is prescribed at all
32    open boundaries with values that are read from data files (specified
33    in data.obcs); meridional (y-)velocity V is set to zero on all
34    boundaries, and temperature to tRef(z), both in obcs_calc.F, this is
35    the default behavior; at the western boundary, salinity values are
36    used for salinity and one passive tracer in the same way. Salinity is
37    set to sLev at all other boundaries, while a (nearly) homogeneous
38    v.Neumann condition is applied to the passive tracer (the latter is
39    the default in obcs_calc.F), with a relaxation (using pkg rbcs) in
40    the Eastern part of the channel. Open boundary parameters are set in
41    data.obcs.
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