Software Open Access
This is a Python package, periodicgw (available at https://pypi.org/project/periodicgw/), for generating 2D periodic random groundwater flux fields with any user specified mean flow vector. Periodic random hydraulic conductivity fields are generated that are locally multi-Gaussian with user-selectable semi-variograms and anisotropy structures. Darcy flux fields are solved exactly using a finite volume approach on these conductivity fields with periodic boundary conditions and an enforced mean flow angle. Inter-cell fluxes are directly reported for compatibility with particle tracking algorithms based on the Pollock method. Source code of this Python package is attached.
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