transient

transient

Simulates transient groundwater flow according to the implicit finite difference method.

result = transient(elevation, recharge, transmissivity, flowCondition, storageCoefficient, timestep, tolerance)
elevation
scalar; spatial ([L])
recharge
scalar; spatial, non-spatial ([L T-1])
transmissivity
scalar; spatial, non-spatial ([L2 T-1])
flowCondition
nominal; spatial, non-spatial
storageCoefficient
scalar; spatial, non-spatial ([L3 L-3])
timestep
scalar; non-spatial ([T])
tolerance
scalar; non-spatial
result
scalar; spatial

Operation

This function calculates the groundwater head of an aquifer system according to the Gauss-Seidel iteration and Crank-Nicolson method (Wang & Anderson). The flowCondition indicates whether cells are either inactive (0), active (1) or have a constant head (2). The tolerance specifies the maximum difference between the current elevation and the new elevation.

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