TUFLOW Message 3027

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TUFLOW Message
ERROR 3027: Roughness height specified but nLim less than 0.

Alternate Message
None

Message Type
ERROR

Description
The limiting Manning’s n value, required for specifying bed resistance with the theoretically derived log law for shallow flows, must be greater than or equal to 0.0.

Suggestions
A limiting Manning’s n value (based on the n value that would normally be applied) is specified to transition to conventional n values at greater depths.

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