Difference between revisions of "TUFLOW Message 3546"
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{{TUFLOW_Message | {{TUFLOW_Message | ||
|tuflow_message=WARNING 3546 - The SGS Materials methodology has changed for the 2022 TUFLOW release and changes in results will occur. | |tuflow_message=WARNING 3546 - The SGS Materials methodology has changed for the 2022 TUFLOW release and changes in results will occur. | ||
| − | |type=[[ | + | |type=[[WARNING]]<br>[[ERROR]] |
|alt_msg=ERROR 3546 - SGS Materials is not supported in this build for models with depth varying Mannings n. | |alt_msg=ERROR 3546 - SGS Materials is not supported in this build for models with depth varying Mannings n. | ||
|message_desc= The sub-grid sampling of materials (land-use) was first introduced in the 2020-10 Release as beta functionality. However, feedback and further testing indicates that additional development is required. Some significant issues have been identified including the large dynamic range in face depths over which the look-up table must be computed, the transition between sheet flow and channel flow, and the inclusion of the effects of eddy viscosity or sub-grid turbulence on the parallel flow analysis. The latter issue in particular needs further research to provide consistency between different cell sizes. | |message_desc= The sub-grid sampling of materials (land-use) was first introduced in the 2020-10 Release as beta functionality. However, feedback and further testing indicates that additional development is required. Some significant issues have been identified including the large dynamic range in face depths over which the look-up table must be computed, the transition between sheet flow and channel flow, and the inclusion of the effects of eddy viscosity or sub-grid turbulence on the parallel flow analysis. The latter issue in particular needs further research to provide consistency between different cell sizes. | ||
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|suggestions=Turn off SGS materials if depth varying Manning’s n is used. Check the use of SGS materials is intentional when depth varying Manning’s n is not used and review results. | |suggestions=Turn off SGS materials if depth varying Manning’s n is used. Check the use of SGS materials is intentional when depth varying Manning’s n is not used and review results. | ||
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|uplink=[[3xxx_TUFLOW_Messages|3xxx Messages]] | |uplink=[[3xxx_TUFLOW_Messages|3xxx Messages]] | ||
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Latest revision as of 10:33, 3 March 2023
TUFLOW Message
WARNING 3546 - The SGS Materials methodology has changed for the 2022 TUFLOW release and changes in results will occur.
Alternate Message
ERROR 3546 - SGS Materials is not supported in this build for models with depth varying Mannings n.
Description
The sub-grid sampling of materials (land-use) was first introduced in the 2020-10 Release as beta functionality. However, feedback and further testing indicates that additional development is required. Some significant issues have been identified including the large dynamic range in face depths over which the look-up table must be computed, the transition between sheet flow and channel flow, and the inclusion of the effects of eddy viscosity or sub-grid turbulence on the parallel flow analysis. The latter issue in particular needs further research to provide consistency between different cell sizes.
This feature is still available in the 2022 release, however, changes in results will occur when compared to 2020 release due to feature updates.
Suggestions
Turn off SGS materials if depth varying Manning’s n is used. Check the use of SGS materials is intentional when depth varying Manning’s n is not used and review results.
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