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I am working on a slope channel 0.0025 (subcritical condition) Normal height 0.054 and critical height 0.04.

At the moment of entering the solid flow,
Place:
-PRESCRIBED SOLID DISCHARGES =0;0.03
-Boundary conditions: LIQBOR 5, Q2BOR: 1 (see captura)

As a result I get in bedload flux 0.05 m3 / s (see capture2)

I do not understand how bedloadflux is calculated?

Thank

Hello,
the mass balance accounts for the pores = Qb/(1−λ), with λ the porosity.

Cheers

Pablo

So, what is the flow really that I am putting to the channel?