Increase in n-values increases shear stress??

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Increase in n-values increases shear stress??

ecroft
I am finding that if i increase my manning's n-values the shear stresses in my channel (LOB ROB and CHAN) also increases. Does anyone understand why this happens? Thanks!
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Re: Increase in n-values increases shear stress??

Luis Partida
Come on now.
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Re: Increase in n-values increases shear stress??

Derek
In reply to this post by ecroft
shear stress is a function of bed roughness