SEEP/W What boundary condition should be used during a steady state seepage model of a dam.
Hi I am a practicing Dams and Tailings engineer from Australia, routinely I measure seepage flows out of a dam however there is confusion within my industry about what boundary condition should be applied to the downstream area. In reality most flow does not rise to the surface and travels in the foundation downstream. What boundary condition is used to estimate flows out of the model? Potential seepage face is unsuitable and fixing a downstream head does not allow the model to determine the appropriate water level.