2010 | OriginalPaper | Chapter
Water Balance and Complete Flow Model
Authors : Prof.Dr. J. Jacob Bear, Dr. H.-D. Alexander Cheng
Published in: Modeling Groundwater Flow and Contaminant Transport
Publisher: Springer Netherlands
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Each of the motion equations discussed in Chap. 4 involves two dependent variables: the flux and the pressure (or piezometric head, or suction). For example, (4.1.24) involves
q
and
h
, while (4.2.43) involves
q
and
p
. Therefore, to obtain a solution, we need one additional equation. This is the
mass balance equation
of the fluid phase. This equation is considered in this chapter.