FLOWNET

FLOWNET is used for interactive modeling of two-dimensional steady-state flow in a rectangular, cross-sectional representation of a heterogeneous, anisotropic aquifer.

Version 5.12 Revision: 1991

Authors: Van Elburg, H., C.J. Hemker, and G.B. Engelen

It generates a flow net, composed of flowlines and equipotential lines, obtained by a five-point finite difference approximation to calculate heads and linear interpolation to determine equipotential lines. The matrix equation is solved using the conjugate gradient method. The streamlines are determined from the flow function which in turn is determined using the adjoint function of the potential function. The model handles no-flow and constant hydraulic head boundary conditions, variable along the boundary. It has options for waterbalance calculations, display of isochrones, and HP-plotter output.

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