SMS:RMA2 Boundary Conditions: Difference between revisions
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==Nodal Boundary Conditions== | ==Nodal Boundary Conditions== | ||
[[Image:NodeBC.JPG|thumb|500 px]] | |||
===Boundary Condition Type=== | ===Boundary Condition Type=== | ||
*None | |||
*:No Boundary Condition is assigned to this Nodestring | |||
No Boundary Condition is assigned to this Nodestring | *Water Surface Elevation | ||
*:A Water surface elevation BC is assigned to this Nodestring. This boundary condition is normally located at the tailwater location. (However RMA2 does sometime edit the water depth at the exit boundary to satisfy the finite element equations) | |||
A Water surface elevation BC is assigned to this Nodestring. This boundary condition is normally located at the tailwater location. (However RMA2 does sometime edit the water depth at the exit boundary to satisfy the finite element equations) | *Velocity Components | ||
*Unit Flowrate | |||
==== | *No Slip Condition | ||
=== | ===Boundary Angle=== | ||
*Specify Flow Direction | |||
**Perpendicular into Boundary | |||
**Perpendicular out of Boundary | |||
**Specified angle | |||
===Optional Parameters=== | |||
*Water Density | |||
*Include in node summary file | |||
===Boundary Condition Value=== | |||
*Constant | |||
*Transient | |||
==Nodestring Boundary Conditions== | ==Nodestring Boundary Conditions== | ||
Revision as of 20:38, 15 April 2013
Assigning Boundary Conditions
Boundary conditions are generally defined on nodestrings but may also be defined on nodes. The default boundary condition is a closed boundary (no flow).
Deleting Boundary Conditions
Nodal Boundary Conditions
Boundary Condition Type
- None
- No Boundary Condition is assigned to this Nodestring
- Water Surface Elevation
- A Water surface elevation BC is assigned to this Nodestring. This boundary condition is normally located at the tailwater location. (However RMA2 does sometime edit the water depth at the exit boundary to satisfy the finite element equations)
- Velocity Components
- Unit Flowrate
- No Slip Condition
Boundary Angle
- Specify Flow Direction
- Perpendicular into Boundary
- Perpendicular out of Boundary
- Specified angle
Optional Parameters
- Water Density
- Include in node summary file
Boundary Condition Value
- Constant
- Transient
Nodestring Boundary Conditions
See RMA2 Boundary Condition Nodestrings for more information.
Related Topics
SMS – Surface-water Modeling System | ||
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