Conduit Shape (SWMM)

The cross section shape of a conduit in a SWMM network is selected in the Shape field of the conduit Property Sheet.

For each conduit, an existing shape or user defined shape can be selected.

Pipes shapes

The following shapes are available for closed conduits:

Circular Horizontal elliptical Modified baskethandle
Force main Vertical elliptical Egg
Filled circular Arch Horseshoe
Closed rectangular Gothic Catenary
Rectangular triangular Semi-elliptical Rectangular round
Baskethandle Semi-circular Custom A user-defined closed (regular) conduit, whose cross-section is specified using a shape curve.

Channels

The following open channel shapes can be specified for conduits:

Parabolic Rectangular Power
Trapezoidal Triangular Irregular A user-defined open (irregular) conduit whose cross-section is defined using a transect.

 

 

Conduits dimensions are specified in the conduit parameters. Information about creating user-defined conduits is contained in the Creating User-defined Shapes (SWMM) topic.