MT3D-USGS crashes with this model

[rbwinst-usgs]

Mt3d_Sfr.zip

[emorway-usgs]

@rbwinst-usgs I added the keyword "FREE" to the MT3D name file and that seemed to get the model to run all the way, though I'm not sure if the results are legit. So the line that was:

FTL 10 Mt3d_SFR.ftl

became

FTL 10 Mt3d_SFR.ftl FREE

If that works for you, would you mind closing the issue. If not, we'll have to chat some more about this. I'm reattaching the model with all input in a single directory (mostly for my own future reference).

Sft_Test.zip

[rbwinst-usgs]

I think I must have uploaded the wrong files last time. MT3D crashes with this version of the model that uses a binary FTL file. Mt3d_Sfr2.zip

[emorway-usgs]

@rbwinst-usgs I was able to run the latest uploaded test model with both a formatted and unformatted linker file. I used the release version of nwt and the 'develop' version of MT3D-USGS to run the model. When using a formatted linker file, I used the keyword "FREE" in the MT3D-USGS name file, as noted above, but removed it when using an unformatted linker file.

I can't speak to whether or not the results are any good, however. Would you mind having another look on your end?

[rbwinst-usgs]

It works with MODFLOW-NWT but not MODFLOW-2005.

On Sat, May 18, 2019 at 11:05 AM Eric Morway notifications@github.com wrote:

@rbwinst-usgs https://github.com/rbwinst-usgs I was able to run the latest uploaded test model with both a formatted and unformatted linker file. I used the release version of nwt and the 'develop' version of MT3D-USGS to run the model. When using a formatted linker file, I used the keyword "FREE" in the MT3D-USGS name file, as noted above, but removed it when using an unformatted linker file.

I can't speak to whether or not the results are any good, however. Would you mind having another look on your end?

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Richard B. Winston rbwinst@usgs.gov https://profile.usgs.gov/rbwinst http://water.usgs.gov/nrp/gwsoftware/ 703-648-5988 on Wednesdays: 301 474-2762 Fax: 703 648-5274

The following are excellent guides especially for beginning modelers. Reilly, T.E., 2001, System and boundary conceptualization in ground-water flow simulation: U.S. Geological Survey Techniques of Water-Resources Investigations, book 3, chap. B8, 30 p. https://water.usgs.gov/pubs/twri/twri-3_B8/ http://water.usgs.gov/pubs/twri/twri-3_B8/

Reilly, T.E., and Harbaugh, A.W., 2004 , Guidelines for evaluating ground-water flow models: U.S. Geological Survey Scientific Investigations Report 2004-5038, 30 p. https://pubs.usgs.gov/sir/2004/5038/

"Codes only live if somebody loves them." Matt Tonkin, June 2, 2015, MODFLOW and More 2015 Conference Panel Discussion.

"When you started to have that problem, when you couldn't get a solution, you could get help with that. You could not get any help if you had a conceptual screw-up in your understanding of the regional hydrology. If you didn't have a rough idea of what the evapotranspiration was, of what the big streams were doing, and how the stream flow was related to groundwater, there's where you could get into trouble where nobody else could help you." Gordan Bennett in an interview, Feb. 21, 2019.

[emorway-usgs]

At this time, the MF-2005 software has not been updated with LMT8. This remains a to-do.