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AnaFlow - analytical solutions for the groundwater-flow equation

Project description

Welcome to AnaFlow

DOI PyPI version Build Status Documentation Status Code style: black



AnaFlow provides several analytical and semi-analytical solutions for the groundwater-flow equation.


You can install the latest version with the following command:

pip install anaflow

Documentation for AnaFlow

You can find the documentation under


In the following the well known Theis function is called an plotted for three different time-steps.

import numpy as np
from matplotlib import pyplot as plt
from anaflow import theis

time = [10, 100, 1000]
rad = np.geomspace(0.1, 10)

head = theis(time=time, rad=rad, T=1e-4, S=1e-4, Qw=-1e-4)

for i, step in enumerate(time):
    plt.plot(rad, head[i], label="Theis(t={})".format(step))



Provided Functions

The following functions are provided directly

anaflow.thiem        # Thiem solution for steady state pumping
anaflow.theis        # Theis solution for transient pumping
anaflow.ext_thiem2D  # extended Thiem solution in 2D
anaflow.ext_theis2D  # extended Theis solution in 2D
anaflow.ext_thiem3D  # extended Thiem solution in 3D
anaflow.ext_theis3D  # extended Theis solution in 3D
anaflow.grf_model    # "General Radial Flow" Model
anaflow.grf_dist     # extended "General Radial Flow" Model on disks

Laplace Transformation

We provide routines to calculate the laplace-transformation as well as the inverse laplace-transformation of a given function

anaflow.get_lap      # Get the laplace transformation of a function
anaflow.get_lap_inv  # Get the inverse laplace transformation of a function



You can contact us via


GPL © 2019

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