Abstract
A procedure for anticipating the relative error which results from a domain model of groundwater flow is presented. The procedure uses the complex variable boundary element method to develop steady-state solutions within the groundwater basin (or portions of the basin). These steady-state solutions are used for comparison with the domain model approximation, and a relative error distribution is determined. The nodal point distribution is adjusted to increase the nodal density in regions of large error, and likewise decrease the nodal density in regions of small error. The resulting nodal distribution is found to produce associated transient problem solutions comparable to approximations generated by increasing the total number of nodal points.
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