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Modelling of contaiment Pond with HDPE and Clay liners
We are trying to model a containment Pond with 1.5 mm thick HDPE liner with K 1x e-12 m/s on top of 300 mm clay liner (K=1x1e-8 m/s). The normal flux through the liners is about 10 times higher than what is expect. The head of water in the pond and on the liner is 24.2 m. The embankment of the pond is 25.2 m high. Our questions are:
1. how to model a containment pond with liners of such thicknesses.
2. is it appropriate to use equivalent k values for the liners by increasing their thickness
3. is FEFLOW capable of simulating such thin layers without causing excessive fluid/mass balance errors
We will appreciate your suggestions. Thank you.
kobonsu
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