User Forum of Software BASEMENT

BASEMENT
Basic Simulation Environment for computation of environmental flow and natural hazard simulation
Laboratory of Hydraulics, Hydrology and Glaciology (VAW)
ETH Zurich
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#1 2021-05-12 14:26:39

BaseDino80
User
Registered: 2021-05-06
Posts: 3

Run error of sediment transport

Dear all,
I used vers. 2.8 Basement and now run a sediment 2D Transport Simulation.
I dont know why when run simulation I show this message.

WARNING -> At the hydrograph boundary all edges are set inactive (not wetted), but
   the inflow is bigger than 0.0. Either the cells in the boundary cross
   section are too big or the inflow is too small to ensure that at least one
   element is wetted.

How I can resolve?
Best Regards

Last edited by BaseDino80 (2021-05-12 14:26:53)

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#2 2021-05-17 09:14:15

Matteo Facchini
Developer
From: Trento
Registered: 2014-09-05
Posts: 278

Re: Run error of sediment transport

Hi Dino,
judging from the error you get, you may try and increase the inflow discharge, or reduce the size of the upstream boundary elements. Also, starting from an already wet domain could make things easier.
Cheers

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#3 2021-05-18 06:46:15

BaseDino80
User
Registered: 2021-05-06
Posts: 3

Re: Run error of sediment transport

Thanks for answer, what do you mean "upstream boundary elements"? Size of cells?
Regards
Dino

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#4 2021-05-18 08:13:06

Matteo Facchini
Developer
From: Trento
Registered: 2014-09-05
Posts: 278

Re: Run error of sediment transport

Yes, the triangles (mesh elements) on the upstream boundary

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