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Kosugi more robust?
Topic Started: Feb 13 2018, 11:08 PM (4 Views)
victorgrant

Hello

Has anyone else found HYDRUS to be more robust and faster to solve when the Kosugi lognormal soil-hydraulic model is selected instead of the Van Genuchten models? It seems to handle everything I throw at it - wide node spacing, sandy soil, high permeability contrast, rapid flux changes - where the VG or VG-Mualem options have major convergence problems. For setups that solve with the VG-M option, the Kosugi method leads to much faster solutions, but the results appear to be similar. Is this consistent with others' experience?

Thanks






I didn't find the right solution from the internet.
References:
https://www.pc-progress.com/forum/viewtopic.php?f=3&t=699

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