FLOW: Vadose: van GenuchtenΒΆ

Shows the water retention curve and the hydraulic conductivity function for a number of soil types.

For more information about the parameters used see:

The RETC code for quantifying the hydraulic functions of unsaturated soils, Van Genuchten, M Th, Leij, F J, Yates, S R

import matplotlib.pyplot as plt

from SimPEG import Mesh
from SimPEG.FLOW import Richards

def run(plotIt=True):
    mesh = Mesh.TensorMesh([10])
    VGparams = Richards.Empirical.VanGenuchtenParams()
    leg = []
    for p in dir(VGparams):
        if p[0] == '_':
        leg += [p]
        params = getattr(VGparams, p)
        k_fun, theta_fun = Richards.Empirical.van_genuchten(mesh, **params)

    plt.legend(leg, loc=3)

if __name__ == '__main__':

Total running time of the script: ( 0 minutes 0.099 seconds)

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