Modelling Of Pumping From Heterogeneous
Unsaturated-saturated Porous Media
Author(s)
M. Mavroulidou & R.I. Woods
Abstract
Practising civil engineers often use analytical solutions to estimate pumping rates
and drawdowns associated with dewatering systems. These solutions are usually
based on assumptions of predominantly horizontal flow as well as of
homogeneous permeability and compressibility of the soil. The disadvantage of
these methods is that they are based on the assumptions of saturated flow,
despite the fact that after intensive pumping, more permeable layers of an multi-
aquifer system might desaturate. Engineers need more versatile modelling tools
if they are to design successful dewatering systems. For this reason, a finite
element code which takes into account soil desaturation has been developed by
the writers. The present paper investigates the problem of well drying when
water is continually abstracted for a
Keywords
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