Welcome to CivilGEO Knowledge Base
Welcome to CivilGEO Knowledge Base
Welcome to CivilGEO Knowledge Base
Welcome to CivilGEO Knowledge Base
Boundary condition lines are defined to represent different flow conditions or constraints for 2D flow areas or storage areas. Boundary conditions consist of external boundary conditions along the perimeter of the 2D area and internal boundary conditions. Internal boundary conditions are used to attach a Flow Hydrograph inside of the computational domain. External boundary conditions are used for a Flow Hydrograph, Stage Hydrograph, Rating Curve, and Normal Depth. When creating a boundary condition line, the line outside of the storage area or 2D flow area will be considered as an external boundary. Otherwise, it will be treated as an internal boundary.
After drawing or assigning the boundary condition lines along the storage areas or 2D flow areas, the user can define the boundary condition types/data for each of these boundary condition lines using the Unsteady Flow Data command. Refer to this article in our knowledge base to learn more about how to define the boundary condition types and data.
The Draw SA/2D Boundary Condition Lines command allows the user to manually draw storage area or 2D flow area boundary condition lines on the Map View.
Follow the steps below to draw the SA/2D boundary condition lines:
The Assign SA/2D Boundary Condition Lines command allows the user to manually assign individual polyline(s) as a storage area or 2D flow area boundary condition line. To use this command, a polyline that can be selected for the purpose of assigning the SA/2D boundary condition line must already exist on the Map View.
Follow the steps below to assign the SA/2D boundary condition lines:
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