• Introduction
  • Installation and Licensing
  • Features
  • What's New
    • Version 8.0
    • Version 7.0
    • Version 6.1
    • Version 6.0
    • Version 5.1
    • Version 5.0
    • Version 4.1
  • How to buy
• Program Overview
  • Main Menus and Toolbars
    • Project Settings
    • Backup Project
    • Preferences
  • Project Version Compatibility
  • Keyboard Shortcuts
• Quick Start Tutorials
  • Conceptual Modeling Tutorial
  • Importing VMOD/MODFLOW Models
  • Airport Numerical Model with Transport
  • SEAWAT Tutorial
  • PEST with Pilot Points
  • MODFLOW-USG Tutorial
• Working with Your Data
  • Importing Data
    • Points
    • Polylines
    • Polygons
    • Wells
    • Surfaces
      • SURFER Grid Files
      • ESRI ASCII Raster Files
    • 3D Gridded Data
      • TecPlot 3D Point Grid File
    • HGA Cross-Sections
    • Time Schedules
    • Maps
    • DXFs
    • Validation
  • Importing VMOD/MODFLOW Models
    • Transport
  • Creating Surfaces
  • Creating New Data Objects
  • Deleting Data Objects
• Visualizing Data in 2D/3D
  • Creating Viewers, Opening, and Adding Data Objects
  • Working With Viewers
  • Viewer Controls
    • Cell Inspector
  • Adjusting Viewer Settings
  • 3D Viewer Animations
  • Exporting Views
• Data Settings
  • General Settings
  • Data Operations
  • Style Settings
    • Points, Polylines, and Polygons
    • Cross Sections
    • Wells
    • Surfaces
    • 3D Gridded Data
    • Settings Color Classifications
  • Data Table
    • Well Data
• Conceptual Modeling Workflow
  • Define Modeling Objectives
  • Collect Data Objects
  • Create New Conceptual Model
  • Defining the Structure
  • Defining Property Zones
  • Defining Boundary Conditions
    • Define Boundary Conditions (Lines/Polygons)
    • Define Boundary Conditions to Sides
    • Define Pumping Wells
    • Define Wall (HFB)
    • Theory
• Defining Grids/Meshes
  • Define Finite Difference Grid
    • Edit Grid
    • Edit Layers
    • Define Child Grid (for LGR)
    • Extract Subgrid
  • Define Finite Element Mesh
  • Define Unstructured Voronoi Grid
    • Cell Numbering
  • Define Unstructured QuadTree Grid
• Converting Conceptual Models to Numerical Models
  • Converting to Structured Grid Numerical Model (MODFLOW-2000/2005/6)
  • Converting to Unstructured Grid Numerical Model (MODFLOW-6/USG)
  • Converting to FEFLOW
• Numerical Modeling Workflow - Finite Difference Grids
  • Define Objectives
    • Project Property Settings (Flow)
    • Species Parameters
    • Model Parameters
    • Theory
      • Dispersion Theory
  • Define Numerical Model
  • View/Edit Grid
    • Edit Grid
    • Edit Layers
  • Define Properties
  • Define Boundary Conditions
    • Edit Attributes in TXT Format
    • Pumping Wells
    • Theory
  • Define Observations
  • Define Zone Budget Zones
  • Define Particles
  • Select Engines
  • Translation Settings
    • MODFLOW
      • General
      • MODFLOW Settings
      • LGR settings
      • Solvers
        • PCG
        • GMG
        • WHS
        • SIP
        • SOR
        • SAMG
        • NWT
      • Recharge and Evapotranspiration
      • Lakes
      • Layer Types
      • Cell Rewetting
      • Initial Heads
      • Anisotropy
      • Output Control
      • Advanced Settings
    • MODFLOW-6
      • Introduction to MODFLOW-6
      • General
      • MODFLOW-6 Settings
      • Solver Settings
      • Initial Heads
      • Output Control
      • Advanced Settings
    • MODFLOW-6 Transport
      • MODFLOW-6 Transport Settings
      • Solver Settings
      • Initial Concentrations
      • Output Control
      • Advanced Settings
    • MODPATH
    • MOD-PATH3DU
    • MT3DMS/RT3D
      • General Settings
      • Solution Method
        • Technical Review
      • Output Control
    • SEAWAT
      • DSP Package
      • VDF Package
      • VSC Package
  • Run Numerical Engines
  • View Results
    • View Maps
      • Pathlines and Time Markers
    • View Charts
      • Calibration Dashboard
        • Calibration Statistics
      • Mass Balance Charts
      • ZoneBudget Charts
    • Compare Heads and Drawdown
  • Duplicating Models
  • Exporting Data
• Numerical Modeling Workflow - Unstructured Grids (MODFLOW-USG)
  • Define Modeling Objectives- USG
  • Define Properties
  • Define Boundary Conditions
  • Define Observations
  • Define Zone Budget Zones - USG
  • Define Particles
  • Select Engines
  • Translation Settings
    • MODFLOW-USG
      • Solvers
      • Initial Heads
      • Output Control
      • Advanced Settings
    • MODFLOW-6
      • Introduction to MODFLOW-6
      • MODFLOW-6 Settings
      • Solver Settings
      • Initial Heads
      • Output Control
      • Advanced Settings
    • MODFLOW-6 Transport
      • MODFLOW-6 Transport Settings
      • Solver Settings
      • Initial Concentrations
      • Output Control
      • Advanced Settings
    • MOD-PATH3DU
  • Run Engines
  • View Results
    • View Maps
    • View Charts
      • Calibration Dashboard
        • Calibration Statistics
      • ZoneBudget Charts
• Surface Water Workflow
  • Interface Layout
  • Delineate Streams and Lakes
  • Surface Water Network Data
• Expression Builder
• PEST (Parameter Estimation) Workflow
  • Define Observations
  • Define Parameters
  • Define Pilot Points
  • Define Kriging Variograms
  • Select Run Type
    • Run Sensitivity Analysis
    • Select Regularization
      • No Regularization
      • Tikhonov Regularization
      • SVD Assist
  • Run PEST
  • Analyze Results
  • Save PEST Parameters as New Inputs
  • Making Changes after a PEST Run
• Working with Multiple Model Scenarios
• References
• Appendix A - Input files and Packages
• Appendix B - VM Flex GUI and Input Files
• Appendix C - VMOD Flex Troubleshooting

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www.waterloohydrogeologic.com

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