TUFLOW Message 1450

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TUFLOW Message
WARNING 1450 - Arch bridge blockage (J3) is lower than 10% below spring level. This can lead to high structure velocity.

Alternate Message
NA

Message Type
WARNING

Description
A blockage value has been specified outside of the range (20%-70%) used in the 'Afflux at Arch Bridges' (HR Wallingford, 1988).

Suggestions
This approach can generate high velocity and instabilities with low blockage values, it is recommended to use the arch bridge feature within this blockage range.


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