Pipe pathways are intended to represent environmental features
that behave as fluid
conduits, such as aquifers, rivers, channels and pipelines. An Aquifer pathway
actually performs its computations by creating a temporary set of linked Cell elements during the
simulation, which are subsequently removed at the end of the simulation. The
editing dialog looks like this:
The Fluid flowing through the Aquifer pathway is always the Reference Fluid. The geometry of the pathway is defined by specifying an Aquifer Length and an Aquifer Area. You must also define the Number of Cells to be used to discretize the system. Based on this, GoldSim internally creates a series of linked Cell pathways. The specified Infill Medium and Fluid Saturation are used to determine the quantity of media in each Cell. A pathway Dispersivity is also specified. Advective and diffusive flux links are automatically created by GoldSim to appropriately model advection, dispersion and diffusion through the linked Cells.
The output of an Aquifer pathway element consists of the total mass of each species in the pathway, and the concentration of each species in the flowing Reference Fluid exiting the pathway (i.e., in the last Cell).
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