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good afternoon,

I am doing a two-dimensional model in opentelemac, and I am considering two scenarios and comparing water levels, but in my longitudinal profile I find this type of oscillations, you could recommend me a method to solve it.

Hey,

Will you able to post your cas file along with serafin and boundary condition file?

this may be due to your mesh or numerical parameters such as free surface gradient which make it more smooth and kills most of the spikes.

AMANJ

thanks, I try to change the valor of free surface gradient.