Examples Gallery

The following examples illustrate the functionality of Flopy. After the tutorials, the examples are the best resource for learning the underlying capabilities of FloPy.

Preprocessing and Discretization

ModelGrid classes demo

Intersecting model grids with shapes

Intersecting rasters with modelgrids using FloPy’s Raster class

Creating Layered Quadtree Grids with GRIDGEN

Triangular mesh example

Voronoi Grid and MODFLOW 6 Flow and Transport Example

Postprocessing and Visualization

Making Cross Sections of Your Model

Making Maps of Your Model

Plotting Model Arrays and Results

Plotting SWR Process Results

Postprocessing head results from MODFLOW

ZoneBudget Example

Exporting data

Demo of netCDF and shapefile export capabilities within the flopy export module.

Shapefile export demo

VTK Export Demo

MODFLOW 6 examples

Flopy MODFLOW 6 (MF6) Support

Creating a Simple MODFLOW 6 Model with Flopy

Creating a Complex MODFLOW 6 Model with Flopy

Demo of the local grid refinement (LGR) utility

Observations, time series and time array series

MODFLOW USG examples

MODFLOW-USG CLN package demo

MODFLOW-USG Freyberg demo

MODFLOW-USG: Discontinuous water table configuration over a stairway impervious base

MODFLOW-2005/MODFLOW-NWT examples

FloPy working stack demo

MODFLOW-2005 Basic stress packages

Lake Package Example

Working with the Multi-node Well (MNW2) Package

SFR package Prudic and others (2004) example

Loading and querying an SFR2 Package dataset

Unsaturated Zone Flow (UZF) Package demo

Flopy Drain Return (DRT) capabilities

Working with MODFLOW-NWT v 1.1 option blocks

SWI2 Example 1. Rotating Interface

SWI2 Example 4. Upconing Below a Pumping Well in a Two-Aquifer Island System

Simple water-table solution with recharge

MODPATH examples

Working with MODPATH 6

Creating a MODPATH 7 simulation

Using MODPATH 7 with structured grids

Using MODPATH 7 with structured grids (transient example)

Using MODPATH 7 with a DISV unstructured model

Using MODPATH 7: DISV quadpatch example

MT3D and SEAWAT

MT3D-USGS Example

MT3D-USGS: Transport with the SFR/LAK/UZF Packages (SFT/LKT/UZT), and chemical reactions (RCT)

MT3DMS Example Problems

Using FloPy to simplify the use of the MT3DMS SSM package

Henry Saltwater Intrusion Problem

PEST support

Support for PEST

Other Flopy features

Computing transmissivity-weighted averages

Working with shapefiles

Error checking for MODFLOW-2005 models

Formatting ASCII output arrays

How FloPy handles external files for arrays

Saving array data to MODFLOW-style binary files

Examples from Bakker and others (2016)

Bakker, Mark, Post, Vincent, Langevin, C. D., Hughes, J. D., White, J. T., Starn, J. J. and Fienen, M. N., 2016, Scripting MODFLOW Model Development Using Python and FloPy: Groundwater, v. 54, p. 733–739, https://doi.org/10.1111/gwat.12413.

Basic Flopy example

Capture fraction example