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make depend |
make depend |
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make |
make |
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mv mitgcmuv mitgcmuv_exf_fluxes |
mv mitgcmuv mitgcmuv_exf_fluxes |
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Generating 1-CPU executable with SEAICE_MULTILEVEL: |
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cd ../../../verification/lab_sea/input |
119 |
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ln -sf ../code/SIZE.h . |
120 |
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ln -sf ../code/CPP_EEOPTIONS.h . |
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ln -sf ../code/CPP_OPTIONS.NOEXF.h CPP_OPTIONS.h |
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ln -sf ../code/SEAICE_OPTIONS.MULTILEVEL.h SEAICE_OPTIONS.h |
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../../../tools/genmake -makefile |
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==> on alhena use: |
125 |
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../../../tools/genmake -platform=o2k_noopt -makefile |
126 |
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make clean |
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make depend |
128 |
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make |
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mv mitgcmuv mitgcmuv_multilevel |
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|
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Generating 2-CPU executable: |
Generating 2-CPU executable: |
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cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
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ln -sf ../code/SIZE.2x1.h SIZE.h |
ln -sf ../code/SIZE.2x1.h SIZE.h |
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To run Experiment 1: |
To run Experiment 1: |
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cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
158 |
ln -sf DATA.10hours data |
ln -sf DATA.10hours data |
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ln -sf DATA.SEAICE.adi data.seaice |
ln -sf DATA.SEAICE.lsr data.seaice |
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mitgcmuv_1 >&! output.txt |
mitgcmuv_1 >&! output.txt |
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mkdir exp1 |
mkdir exp1 |
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mv *tave.0000000010.data exp1 |
mv *tave.0000000010.data exp1 |
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|
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Use matlab script lookat_exp1.m to compare the output |
Use matlab script lookat_exp1.m to compare the output |
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of exp1 with that from release1_p10 sea-ice code: |
of exp1 with that from release1_p16 sea-ice code: |
166 |
cd ../../../verification/lab_sea/matlab |
cd ../../../verification/lab_sea/matlab |
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matlab |
matlab |
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lookat_exp1 |
lookat_exp1 |
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Instructions for running Experiment 2 |
Instructions for running Experiment 2 |
172 |
===================================== |
===================================== |
173 |
|
|
174 |
This is a 1-cpu test of the LSR solver. The solution is |
This is a 1-cpu test of the ADI solver. The solution is |
175 |
compared to that of experiment 1, which used the ADI solver. |
compared to that of experiment 1, which used the LSR solver. |
176 |
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|
177 |
To run Experiment 2: |
To run Experiment 2: |
178 |
cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
179 |
ln -sf DATA.10hours data |
ln -sf DATA.10hours data |
180 |
ln -sf DATA.SEAICE.lsr data.seaice |
ln -sf DATA.SEAICE.adi data.seaice |
181 |
mitgcmuv_1 >&! output.txt |
mitgcmuv_1 >&! output.txt |
182 |
mkdir exp2 |
mkdir exp2 |
183 |
mv *tave.0000000010.data exp2 |
mv *tave.0000000010.data exp2 |
215 |
matlab |
matlab |
216 |
lookat_exp3 |
lookat_exp3 |
217 |
|
|
218 |
If the dynamic ice solvers are correct, they should converge to a |
Both solvers should and do converge to solutions |
219 |
solution that is constant at each latitude. |
that are constant at each latitude. But note that |
220 |
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the two solutions are not exactly the same because |
221 |
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the two solvers represent slightly different |
222 |
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approximations of the viscous/plastic equations. |
223 |
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|
224 |
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|
225 |
Instructions for running Experiment 4 |
Instructions for running Experiment 4 |
231 |
To run Experiment 4: |
To run Experiment 4: |
232 |
cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
233 |
ln -sf DATA.10hours data |
ln -sf DATA.10hours data |
234 |
ln -sf DATA.SEAICE.adi data.seaice |
ln -sf DATA.SEAICE.lsr data.seaice |
235 |
mpirun -np 2 mitgcmuv_2x1 |
mpirun -np 2 mitgcmuv_2x1 |
236 |
mkdir exp4 |
mkdir exp4 |
237 |
mv *tave.0000000010.data exp4 |
mv *tave.0000000010.data exp4 |
242 |
matlab |
matlab |
243 |
lookat_exp4 |
lookat_exp4 |
244 |
|
|
245 |
The inaccuracy at the tile boundary can be decreased by increasing |
The accuracy of the dynamic solvers is increased by |
246 |
NPSEUDO in data.seaice at the expense of computation time. |
reducing parameter LSR_ERROR for the LSR solver and |
247 |
Also as sea-ice ages (thickens) the difference at the tiles becomes |
by increasing parameter NPSEUDO for the ADI solver. |
248 |
increasingly small. For solver pkg/seaice/adi.F a value of NPSEUDO=10 |
The computational cost/accuracy trade-off is quite |
249 |
appears adequate for forward integrations but cannot be used for sea-ice |
high for the ADI solver but relatively small for |
250 |
adjoint model. With NPSEUDO=300 or greater, the tile disappears, but the |
the LSR solver, which is the default solver. |
|
computational cost is very large (11 times that of teh forward model). |
|
251 |
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|
252 |
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|
253 |
Instructions for running Experiment 5 |
Instructions for running Experiment 5 |
259 |
To run Experiment 5: |
To run Experiment 5: |
260 |
cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
261 |
ln -sf DATA.2years data |
ln -sf DATA.2years data |
262 |
ln -sf DATA.SEAICE.adi data.seaice |
ln -sf DATA.SEAICE.lsr data.seaice |
263 |
ln -sf evap.labsea1979 evap.labsea1980 |
ln -sf evap.labsea1979 evap.labsea1980 |
264 |
ln -sf flo.labsea1979 flo.labsea1980 |
ln -sf flo.labsea1979 flo.labsea1980 |
265 |
ln -sf fsh.labsea1979 fsh.labsea1980 |
ln -sf fsh.labsea1979 fsh.labsea1980 |
276 |
matlab |
matlab |
277 |
lookat_exp5 |
lookat_exp5 |
278 |
|
|
279 |
Disclaimer: |
The comparison here is just for fun. |
280 |
The comparison here is just for fun, not really supposed |
The configuration is too coarse and artificial |
281 |
to look anything like the data. |
to reproduce realistic sea-ice conditions. |
282 |
Otherwise it would put a lot of people out of business :-) |
|
283 |
|
|
284 |
Instructions for running Experiment 6 |
Instructions for running Experiment 6 |
285 |
===================================== |
===================================== |
301 |
matlab |
matlab |
302 |
lookat_exp6 |
lookat_exp6 |
303 |
|
|
304 |
|
|
305 |
Instructions for running Experiment 7 |
Instructions for running Experiment 7 |
306 |
===================================== |
===================================== |
307 |
|
|
336 |
To run Experiment 8: |
To run Experiment 8: |
337 |
cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
338 |
ln -sf DATA.10hours_exf data |
ln -sf DATA.10hours_exf data |
339 |
ln -sf DATA.SEAICE.adi_exf data.seaice |
ln -sf DATA.SEAICE.exf data.seaice |
340 |
mitgcmuv_exf_forcing >&! output.txt |
mitgcmuv_exf_forcing >&! output.txt |
341 |
mkdir exp8 |
mkdir exp8 |
342 |
mv *tave.0000000010.data exp8 |
mv *tave.0000000010.data exp8 |
358 |
To run Experiment 9: |
To run Experiment 9: |
359 |
cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
360 |
ln -sf DATA.10hours_exf data |
ln -sf DATA.10hours_exf data |
361 |
ln -sf DATA.SEAICE.adi_exf data.seaice |
ln -sf DATA.SEAICE.exf data.seaice |
362 |
mitgcmuv_exf_fluxes >&! output.txt |
mitgcmuv_exf_fluxes >&! output.txt |
363 |
mkdir exp9 |
mkdir exp9 |
364 |
mv *tave.0000000010.data exp9 |
mv *tave.0000000010.data exp9 |
379 |
To run Experiment 10: |
To run Experiment 10: |
380 |
cd ../../../verification/lab_sea/input |
cd ../../../verification/lab_sea/input |
381 |
ln -sf DATA.10hours_exf data |
ln -sf DATA.10hours_exf data |
382 |
ln -sf DATA.SEAICE.adi_exf data.seaice |
ln -sf DATA.SEAICE.exf data.seaice |
383 |
mitgcmuv_compute_evap >&! output.txt |
mitgcmuv_compute_evap >&! output.txt |
384 |
mkdir exp10 |
mkdir exp10 |
385 |
mv *tave.0000000010.data exp10 |
mv *tave.0000000010.data exp10 |
389 |
cd ../../../verification/lab_sea/matlab |
cd ../../../verification/lab_sea/matlab |
390 |
matlab |
matlab |
391 |
lookat_exp10 |
lookat_exp10 |
392 |
|
|
393 |
|
|
394 |
|
Instructions for running Experiment 11 |
395 |
|
====================================== |
396 |
|
|
397 |
|
This is a 1-cpu, 10-hour integration similar to exp1, but |
398 |
|
with multi-level sea-ice thermodynamics. |
399 |
|
|
400 |
|
To run Experiment 10: |
401 |
|
cd ../../../verification/lab_sea/input |
402 |
|
ln -sf DATA.10hours data |
403 |
|
ln -sf DATA.SEAICE.lsr data.seaice |
404 |
|
mitgcmuv_multilevel >&! output.txt |
405 |
|
mkdir exp11 |
406 |
|
mv *tave.0000000010.data exp11 |
407 |
|
|
408 |
|
Use matlab script lookat_exp11.m to compare |
409 |
|
the output of exp11 to that of exp1: |
410 |
|
cd ../../../verification/lab_sea/matlab |
411 |
|
matlab |
412 |
|
lookat_exp11 |