GMS:MODFLOW-NWT Workflow

To use MODFLOW-NWT (Newton package) in an existing MODFLOW project, use the following processes:

1. Change the simulation to use MODFLOW-NWT.
Select MODFLOW \| Global Options. In the MODFLOW Global/Basic Package dialog, select the NWT radio button.

2. Activate the UPW and NWT packages.
In the MODFLOW Global/Basic Package dialog, select the Packages button. In the MODFLOW Packages/Processes dialog, select the UPW – Upstream Weighting option. The NWT – Newton solver option will automatically be selected when the UPW package is selected.

3. Set UPW options.
Select MODFLOW \| UPW – Upstream Weighting menu command. Set options in the UPW Package dialog.

4. Set NWT solver options.
Select MODFLOW \| NWT – Newton Solver menu command. Set options in the MODFLOW NWT Solver dialog.

5. Specify PHIRAMP.
Select MODFLOW \| Optional Packages \| WEL – Wel menu command. In the MODFLOW Well Package dialog, specify PHIRAMP.

v • e GMS – Groundwater Modeling System
Modules:	2D Grid • 2D Mesh • 2D Scatter Point • 3D Grid • 3D Mesh • 3D Scatter Point • Boreholes • GIS • Map • Solid • TINs • UGrids
Models:	FEFLOW • FEMWATER • HydroGeoSphere • MODAEM • MODFLOW • MODPATH • mod-PATH3DU • MT3DMS • MT3D-USGS • PEST • PHT3D • RT3D • SEAM3D • SEAWAT • SEEP2D • T-PROGS • ZONEBUDGET
Aquaveo

Navigation menu