Difference between revisions of "TUFLOW Message 3026"
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|tuflow_message=ERROR 3026: kappa must be >= 0. | |tuflow_message=ERROR 3026: kappa must be >= 0. | ||
<br> | <br> | ||
| − | |alt_msg= | + | |alt_msg=NA<br> |
|type=[[ERROR]] | |type=[[ERROR]] | ||
| − | |message_desc= | + | |message_desc=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. | ||
|prelink=[[TUFLOW_Message_3025|Message 3025]] | |prelink=[[TUFLOW_Message_3025|Message 3025]] | ||
Revision as of 16:08, 2 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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