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Lalith

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About Lalith

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  1. Please make your solids bit larger than the conceptual model domain. When solids do not completely cover the grid, this error can occur.
  2. Please make your solids bit larger than the conceptual model domain. When solids do not completely cover the grid, this error can occur.
  3. Hi, Is there a way to obtain a time series of the variation of constituent concentration at a selected grid cell in MT3DMS? Thank you, Lalith
  4. Hi Sean, Thank you very much for your prompt response. Best regards, Lalith
  5. Hi All, This is more a fundamental GW question than modeling. Does MODFLOW steady state modeling use the Specific storage (S) in its groundwater flow calculations? I have an inherited steady state MODFLOW GW model where Specific storage (S) is left as 0 but model works. In the model, the hydraulic conductivity, longitudinal dispersivity, and porosity values are specified. Just trying to understand if the simulation results are correct. Your responses and suggestions are very much specified. Thank you, Lalith
  6. Please let me know how this works.
  7. Hi Ted, There are 3 approaches. 1. BC's are marked in red dots can also be specified along red lines. Model will try to better interpolate. the BC's. 2. You can go bit further in this approach as follows by specifying heads along contour lines (basically digitization). If your contour lines are in the form of either CAD or GIS shapefiles, then you can convert them to a line feature easily and specify them as Specified Heads (for All layers or selected layer range). You need to activate the layer range for that if you have multiple layers. 3. Go for MODFLOW-USG
  8. Hi Sakura, I didn't get a chance to read the forum in a while. Sean has given you all the correct advice. You are in good hands. In summary, I would try running the model and would not worry about the warning at this stage.
  9. Lalith

    Sarath

    http://gmstutorials-8.0.aquaveo.com/SEEP2D-SheetPile.pdf this is another similar approach
  10. http://gmstutorials-8.0.aquaveo.com/SEEP2D-SheetPile.pdf this is another similar approach
  11. Hi Sarath, My understanding about your actual condition is limited. With the understanding I grabed from your text, a simple rectilinear modflow model will do this. Diaphragm walls can be represented using a barrier with appropriate HC, (https://www.xmswiki.com/wiki/GMS:HFB_Package). I would start with single 2 layer model (1 above the excavation level and other one below that level). Best regards, Lalith
  12. Lalith

    Sarath

    Hi Sarath, My understanding about your actual condition is limited. With the understanding I grabed from your text, a simple rectilinear modflow model will do this. Diaphragm walls can be represented using a barrier with appropriate HC, (https://www.xmswiki.com/wiki/GMS:HFB_Package). I would start with single 2 layer model (1 above the excavation level and other one below that level). Best regards, Lalith
  13. Hi, Why are your horizons so much off from the solids? Where is your grid? is it completely inside your solids? Can you make only the solid edges and remove the solid faces and also add the grid with a different specified color. I would like to see both the grid and solids frames in the same figure. best, Lalith
  14. Please make the boundaries that are used to create solids little bit larger than the boundaries used to make the modflow grid so that solids would cover the grid sufficiently (make a buffer). Sometimes, grid cells are created that crosses out the boundaries (when using specified heads for example). If the same boundaries are used to create solids, then those solids do not cover these boundary cells and provide this error.
  15. Please make the boundaries that are used to create solids little bit larger than the boundaries used to make the modflow grid so that solids would cover the grid sufficiently (make a buffer). Sometimes, grid cells are created that crosses out the boundaries (when using specified heads for example). If the same boundaries are used to create solids, then those solids do not cover these boundary cells and provide this error.
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