GOTM practice cases

[Boqi Boqitian@UW.Edu]

Hi all,

I'm new to GOTM and try to learn it through the practice cases. I can see that the 'open channel' case is listed as 'not ready'. May I ask what piece is missing for that case? Is there something that I can do about it? Thanks!

Best regards,

Kevin

[Karsten Bolding]

Hello

I think there enough case for a new user to explore - even without the channel case :-) We are in the process of updating to version 7 - and during the phase I believe the channel case will be fixed as well.

Karsten

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[harc...@uw.edu]

Disambiguation, please: Is the 'un-readiness' (per cases-6.x/READY_CASES & cases-5.x/READY_CASES) of thus-identified test set-ups {channel, couette, entrainment, greifswald, reynolds, wave-breaking} test set-up just a matter not being ready to run with the newer  GUI capability, or does 'un-readiness' apply more broadly both to the GUI and to the command-line-run modalities itemized in README? If the former, please confirm, as GUI is not everyone's priority. If command-line-run for these test set-ups is also failing in some way since before 2017 v5, can we get a hint on what might need to be fixed? Channel test case in particular?

[Hans Burchard]

Dear Ramsey,

currently unfortunately some of the test cases do not run even in for the command-line mode. The reason is that we have switched to the TEOS-10 routines for the thermodynamics such that even some scenarios with constant potential density do not work consistently. We are working hard on it and hope to have it fixed during the next few days. We will write a notification to the list when things work again.

Best regards, Hans.

 

Hans Burchard 

Physical Oceanography and Instrumentation

Leibniz Institute for Baltic Sea Research 

Hans.B...@io-warnemuende.de

Am 11.01.2024 um 19:25 schrieb harc...@uw.edu <harc...@uw.edu>:

Disambiguation, please: Is the 'un-readiness' (per cases-6.x/READY_CASES & cases-5.x/READY_CASES) of thus-identified test set-ups {channel, couette, entrainment, greifswald, reynolds, wave-breaking} test set-up just a matter not being ready to run with the newer  GUI capability, or does 'un-readiness' apply more broadly both to the GUI and to the command-line-run modalities itemized in README? If the former, please confirm, as GUI is not everyone's priority. If command-line-run for these test set-ups is also failing in some way since before 2017 v5, can we get a hint on what might need to be fixed? Channel test case in particular?

To view this discussion on the web visit https://groups.google.com/d/msgid/gotm-users/51d31fb1-2cdd-4e0a-98ee-b49cba6e7973n%40googlegroups.com.

[Ramsey Harcourt]

Thank-you, Hans. The channel case doesn't crash or anything like that in command line and it produces conventional profiles for u, tke and eps. It is one of those constant density test cases though, so we will watch for anything strange in the density. Think i did notice there were some very small anomalies in output density profiles -- we'll look again for those. Alternatively, I realize I could just cut the ('ready') estuary case down incrementally to the ('not ready') channel flow case by zeroing out the tidal and surface forcing. -Ramsey

To view this discussion on the web visit https://groups.google.com/d/msgid/gotm-users/41C5E8C3-37CF-4B36-884E-62A47C09B97E%40io-warnemuende.de.

[Hans Burchard]

Dear Ramsey,

no need to strip the estuary case down to channel. Both should work, and
we are working the the final checks now. If you see anything strange
with any of the test cases, please let us know.

Cheers, Hans.

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