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How to refine the grid at the locations of observation heads


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If you are using a conceptual model, you can create the grid with refinement around points. The MODFLOW Conceptual Model Approach I tutorial includes an example of grid refinement (section 8). You turn on the Refinement attribute in the Coverage Setup dialog and then you specify the refinement at the points.

If you want to modify the existing 3D grid, you can use the Tool_AddIRow.png Add i boundary and Tool_AddJRow.png Add j boundary tools to split a grid row or column You can also use the Tool_SelectGridNode.png Select node tool to drag a grid intersection and resize rows and columns.

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