Extracting MC Hydrographs

This topic has 3 replies, 2 voices, and was last updated 5 days, 9 hours ago by Benson Liu.

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February 10, 2025 at 2:30 PM #4253

Tony Jones
Participant

Trying to extract MC hydrographs and when selecting AEP Hydrographs in Monte-Carlo Simulation Details form, the dropdown control is empty.
If you type a hydrograph request like Hyd0010 the program hangs after the simulation runs.

Maybe two problems?? Like to be able to extract MC hydrographs, any ideas in what I am doing wrong?

Thanks Tony

Error Msg:
Invalid decimal character R was detected (unit=62), Routing calc. not converging, time inc 43 storage = 0.247E08 m3, discharge = 0.120E-01 m3/s)
Error occurs at or near line 3885 of _extract_mc_from_file_

Called from or near line 1842 of _montecarlororb_

Called from or near line 292 of _montecarlodets_
Called from or near line 889 of _editparamspushbutton_

… Line 792 of _editparams_
… line 463 of _messageloopproc_

… line 94 of _main_

February 14, 2025 at 11:40 AM #4258

Benson Liu
Moderator

Hi Tony,

If the dropdown box is empty, that means there is an issue with the print nodes and for some reason RORB is unable to find the print nodes. You will need to check that you have input print nodes correctly in the desired locations in the catg file. You should not be typing into the dropdown box the hydrograph number.

In terms of the second error, this is an issue where if there are convergence issues with the individual simulations, the hydrograph extractor is unable to deal with this and crashes. Unfortunately, there isn’t a good workaround for this at the moment. If you need the individual simulations, you will need to recreate the storm file based on the Monte Carlo sampled parameters and do a single run. I will put this on the bug list and it will be addressed in the next release of RORB.

Kind regards,

Benson

February 16, 2025 at 9:08 PM #4261

Tony Jones
Participant

Thanks Benson for the reply. I note that the print nodes need to be in a catg file. Generally I do not use catg files, sorry old school, does this mean it will only work from catg files.

Regards
Tony

February 17, 2025 at 9:43 AM #4262

Benson Liu
Moderator

Hi Tony,

It should still work with the old cat file. The dropdown box should still pick up the print nodes.

Kind regards,

Benson
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Extracting MC Hydrographs

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