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Ron Kent

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About Ron Kent

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  1. I think WMS 8.0 is meant to work with HEC-RAS 3.1.3. Try downloading that version. HEC-RAS 3.1.1 or 3.1.2 worked with WMS 7.1 and HEC-RAS 4.0 (or at least the beta verstion) works with WMS 8.1. Also, you have an old build of WMS. To update to the latest build, go to www.ems-i.com, select the download link, login (you may need to create a new account), scroll down to WMS Downloads, and select the WMS 8.0 Executable Update. Restart your computer after the installation.
  2. The same problem doesn't happen for me. When I have the head data set selected and move through the time steps, the computed and observed values both change in the Computed vs. Observed Values plot. The observed data points shown agree with the values entered through the Map module for the different time steps. I think I remember a bug similar to what you're describing a while back (probably about a year ago). You might want to download the latest update of GMS by going to www.ems-i.com, clicking the download link, logging in (you might have to create an account first), and then selecting the GMS executable update to download. This might solve your problem. Another plot that might be helpful is the Time Series plot. In the Plot Wizard, select Time Series as the plot type, hit next, check the "Observed Values" box, and select the points you want to show. It will draw computed values vs. time and observed values vs. time for the locations selected. The problem is that this plot can get pretty crowded if you select too many locations.
  3. There are two things I think would work. 1) Check the "Refine points" option under Source/Sink/BC Type in coverage setup, and create points where you want the grid to be more refined. Select the points and bring up the Properties dialog box where you can change the base size, bias, and max size options to refine your grid around those points (you have to check the "Refine" box to use these options). The grid will be finer in the viscinity of these points when you use the Map->3D Grid command. This technique is described briefly at http://www.xmswiki.com/index.php?title=GMS...Sink_Attributes and on pp. 11-12 of the MODFLOW - Conceptual Model Approach tutorial found in the GMS tutorial files. 2) You could use a regional to local model conversion as described in the MODFLOW - Regional to Local Model Conversion tutorial, found in the GMS tutorial files. Use the regional model for running MODFLOW and the local model for running MT3DMS.
  4. GMS 6.0 writes MODFLOW files in ASCII format, but GMS 6.5 writes MODFLOW files in HDF5 format. Here's how you can run the GMS 6.5 files in GMS 6.0. In GMS 6.5 in the 3D Grid Module, select MODFLOW|Export Native MF2K Text... In the window that opens, select the MODFLOW name file for the project that you want to convert back to ASCII format to run in GMS 6.0. A DOS prompt should appear showing the creation of the MODFLOW files. If the DOS prompt doesn't appear, go to Edit|Preferences, and in the model tab set the Gms2Mf2k executable to the correct location. After the files have been created, exit the DOS prompt and the MODFLOW files in ASCII format will be located in a new folder called Out_Mf2k (or something like that). This new folder will be located in the same directory as the name file you selected. In GMS 6.0, open the name file found in the Out_Mf2k folder, and then you should be able to run MODFLOW.
  5. Ron Kent

    GMS V6.5

    Having both versions shouldn't cause any problems. If you download GMS 6.5 from ftp://pubftp.ems-i.com/download/GMS/GMS%206.5/gms65ful.exe, then the model executables should be downloaded along with the GMS executable and the documentation. For just the model executables, you could go to ftp://pubftp.ems-i.com/download/GMS/GMS%206.5/gms65mod.exe.
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