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Problem with imported hydrographs

Problem with imported hydrographs

Problem with imported hydrographs

(OP)
I have a large, complicated model, that I'm running 6 storms through, and then I'm exporting the hydrographs using the Automatic Export Settings feature. Then I'm importing the downstream most node (node 43 in this case) into a smaller model. I only really need to heavily monkey with the smaller model - all the stuff in the larger model should remain fixed. When I try to close the larger model, it runs through the 1, 2, 5, and 10 year storms, and somewhere along the line, I get an error that looks like this:

Quote:

HydroCAD 10.00-3 s/n 06623

Automatic export failed:

Cannot open file C:\Users\bj\Documents\My Dropbox\CCC\Projects\10.001_SCE\12014_Avalon\HydroCAD\12014-north-predev~Subcat 13.hce

...but each time I exit it, I get the same error on a different subcatchment. Sometimes it hangs on the 25 year storm, sometimes the 50. There appears to be no rhyme or reason for which storm or node it hangs on. When I go to my other file, the hydrographs import properly for whichever storms it successfully ran through before hanging and giving me the above error message, but the remaining storms are missing, giving me an error that looks like this:


Quote:

HydroCAD 10.00-3 s/n 06623

Error 650: Link 2L External hydrograph not found

Name: Primary Outflow
Event: 25

Ideas?

Hydrology, Drainage Analysis, Flood Studies, and Complex Stormwater Litigation for Atlanta and the South East - http://www.campbellcivil.com

Replies continue below

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RE: Problem with imported hydrographs

If you post or email the upper file I can test the export process, but it sounds like the export failure is a problem with the Windows file system, such as a full disk or read-only file.

Make sure you're exporting "Unrouted Outflows" and not "All Outflows". The latter option will generate many unneeded files. The former option will export only the essential nodes.

Peter Smart
HydroCAD Software
www.hydrocad.net

RE: Problem with imported hydrographs

(OP)
I thought the same thing, regarding windows file system issues. I wonder why it would be happening though. Do you think the fact that I'm working in a Dropbox folder has something to do with it?

Thanks for the tip on the 'unrouted' thing - I was doing that 'wrong.'

Hydrology, Drainage Analysis, Flood Studies, and Complex Stormwater Litigation for Atlanta and the South East - http://www.campbellcivil.com

RE: Problem with imported hydrographs

Yes, it could be a DropBox problem. The files are probably locked while the dropbox synchronizes the contents, causing the file access error. It's easy to test by moving the HydroCAD files to a different folder outside the dropbox.

Peter Smart
HydroCAD Software
www.hydrocad.net

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