TUFLOW Message 3026: Difference between revisions
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|tuflow_message=ERROR 3026: kappa must be >= 0. |
|tuflow_message=ERROR 3026: kappa must be >= 0. |
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|alt_msg= |
|alt_msg=NA<br> |
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|type=[[ERROR]] |
|type=[[ERROR]] |
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|message_desc=Materials may use use either fixed mannings, depth-varying mannings, or log-law roughness formulations for bed resistance. |
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|message_desc=Kappa (κ) required for specifying the bed resistance with the theoretically derived log law for shallow flows must be greater than or equal to 0.0. |
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When utilising log-law roughness, a value for kappa of less than zero is not permitted. |
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kappa is typically in the range 0.38 to 0.42 (recommend 0.4). |
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|suggestions=Ensure that all materials that utilise log-law roughness have positive values for kappa. |
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|prelink=[[TUFLOW_Message_3025|Message 3025]] |
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|uplink=[[3xxx_TUFLOW_Messages|3xxx Messages]] |
|uplink=[[3xxx_TUFLOW_Messages|3xxx Messages]] |
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|nextlink=[[TUFLOW_Message_3027|Message 3027]] |
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Latest revision as of 10:15, 3 March 2023
TUFLOW Message
ERROR 3026: kappa must be >= 0.
Alternate Message
NA
Message Type
ERROR
Description
Materials may use use either fixed mannings, depth-varying mannings, or log-law roughness formulations for bed resistance.
When utilising log-law roughness, a value for kappa of less than zero is not permitted.
kappa is typically in the range 0.38 to 0.42 (recommend 0.4).
Suggestions
Ensure that all materials that utilise log-law roughness have positive values for kappa.
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