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Hello everyone,
I am trying to run a non-uniform sediment simulation which always crashes when bed deformation is set to start.
I tried setting the bedload layer and mixing layer to d50 and 2dmax while reducing timestep but no configuration I tried seems to work.
I am sure the crash is related to non-uniform parameters since a uniform sediment distribution does not induce crashing.
Any idea on why this is ?
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Actually found the cause of the problem. The sediment curve can’t start with a zeo mm class, this must cause numerical instabilities.