User's guide of Proceessing Modflow 5.0

228 Processing Modflow
Step 1: Create a New Model
< To create a new model
1. Select File < New Model...
2. In the New Model dialog box, change the working folder to \pm5\examples\T2 (create the
folder, if it does not exist) and enter T2 as the name of the new model.
3. Click OK to exit the dialog box.
Step 2: Define Model Size
< To define the size of the model
1. Select Grid < Mesh Size...
2. In the Model Dimension dialog box enter,
Layers Number 3
Columns Number 27
Size 250
Rows Number 20
Size 250
3. Click OK to exit this dialog box.
You are now in the Grid Editor of the PMWIN. To help visualize the problem we can overlay
a DXF file as a map, which give us the locations of the boundaries and the pumping wells.
< To load a map
1. Select Options < Maps… to open the Map Options dialog box.
2. Click the box beside the space for the DXF filename to activate that particular map (it is
also possible to choose a color by clicking on the colored square.
3. In the first filename field of DXF-files, click the right mouse button to bring up the Map
Files dialog box.
4. Choose BASEMAP2.DXF from the folder \pm5\examples\tutorials\tutorial2\, click OK to
exit the dialog box.
5 Click OK to exit the Map Options dialog box.
You will see that it does not match the grid that you have generated.
< To move the grid
1. Select Options < Environment... to open the Environment Options dialog box.
2. Enter X 0= 200 and Y 0=6000
and click OK to exit the dialog box.
6.1.2 Tutorial 2 - Confined and Unconfined Aquifer System with River