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6581758 
Book/Book Chapter 
Chapter 3: Dupuit—Forchheimer flow 
Haitjema, HM 
1995 
Academic Press 
San Diego, CA 
Analytic element modeling of groundwater flow 
21-178 
English 
is related to other part(s) 6581753 Chapter 5: Analytic element modeling
This chapter is devoted to the development of elementary solutions to Dupuit-Forchheimer flow. The Dupuit-Forchheimer approximation, is based on the condition that the length of a flow line is large as compared to the aquifer thickness. This condition is frequently met in groundwater flow problems associated with water resources issues. Prolific aquifers are usually relatively thin, varying in thickness between a few feet and one or two hundred feet. Sand and gravel aquifers several hundred feet thick are an exception, while the distances between streams are often measured in miles. Groundwater flow in such aquifers is sometimes referred to as shallow flow, a term which may cause confusion, as it may equally well occur in deep confined aquifers. The Dupuit–Forchheimer approximation leads to one of the most dramatic simplifications of real-world groundwater flow problems: reducing 3D flow problems to those of 2D horizontal flow. 
9780123165503