Difference between revisions of "TUFLOW Message 3025"

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(Created page with "{{TUFLOW_Message |tuflow_message=ERROR 3025: Roughness height must be >= 0. <br> |alt_msg=None |type=ERROR |message_desc=The roughness height "Ks" required for specifyi...")
 
 
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{{TUFLOW_Message
 
{{TUFLOW_Message
|tuflow_message=ERROR 3025: Roughness height must be >= 0.
+
|tuflow_message=ERROR 3025 - Roughness height must be >= 0.
 
<br>  
 
<br>  
|alt_msg=None
+
|alt_msg=NA<br>
  
 
|type=[[ERROR]]  
 
|type=[[ERROR]]  
|message_desc=The roughness height "Ks" required for specifying the bed resistance with the theoretically derived log law for shallow flows must be greater than or equal to 0.0.
+
|message_desc=Materials may use either fixed mannings, depth-varying mannings, or log-law roughness formulations for bed resistance.
|suggestions=
+
To utilise fixed mannings or depth-varying mannings, the log-law roughness must be set to zero (default).
 +
To utilise log-law roughness, the roughness height must be greater than zero.
 +
A roughness height of less than zero is not permitted.
 +
 
 +
|suggestions=Ensure that all materials that utilise log-law roughness have positive roughness heights.
  
|discussion_page=* [[Talk:TUFLOW Message 3025|Discuss Message 3025]]
 
|link3=''
 
|link4=''
 
|prelink=[[TUFLOW_Message_3024|Message 3024]]
 
 
|uplink=[[3xxx_TUFLOW_Messages|3xxx Messages]]
 
|uplink=[[3xxx_TUFLOW_Messages|3xxx Messages]]
|nextlink=[[TUFLOW_Message_3026|Message 3026]]
 
 
}}
 
}}

Latest revision as of 10:14, 3 March 2023

TUFLOW Message
ERROR 3025 - Roughness height must be >= 0.

Alternate Message
NA

Message Type
ERROR

Description
Materials may use either fixed mannings, depth-varying mannings, or log-law roughness formulations for bed resistance. To utilise fixed mannings or depth-varying mannings, the log-law roughness must be set to zero (default). To utilise log-law roughness, the roughness height must be greater than zero. A roughness height of less than zero is not permitted.

Suggestions
Ensure that all materials that utilise log-law roughness have positive roughness heights.


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