MODFLOW-USG TVM Package Workflow

To use the Time-Variant Material (TVM) package in an existing MODFLOW-USG Transport project, use the following processes:

1. Begin with an existing MODFLOW-USG Transport project.
The existing model can be created using the conceptual model or grid based approach.

2. Activate the time-variant matrerials package.
Select MODFLOW \| Global Options. In the MODFLOW Global/Basic Package dialog, select the Packages button. In the MODFLOW Packages/Processes dialog, select the TVM – Time-Variant Materials option.

3. Add TVM data.
Select the MODFLOW \| Optional Packages \| TVM – Time-Variant Materials Package menu command. Enter time-variant materials data in the TVM Package dialog.

4. Run MODFLOW-USG.
Save the project. Run MODFLOW .

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