BAKWATR (3)--Computation of Gradually Varied Flow

by Richard L. Schaefer, URS Engineers, Seattle, WA, USA,



Document Type: Proceeding Paper

Part of: Computer Applications in Water Resources

Abstract:

The BAKWATR computer program computes profiles of gradually varied flow in open channels of irregular shape using a microcomputer. Channel cross sections are defined by a series of points outlining the channel boundaries, each having a horizontal and vertical coordinate. The program generates tables of area, hydraulic radius and surface width as functions of flow depth. Application of the BAKWATR program is limited to steady gradually varied flow behavior in subcritical flow regimes. Options are provided for establishing the depth of flow at the control section, as BAKWATR can compute the steady flow depth through rectangular weirs and submerged or unsubmerged circular culverts, or the user may input a known depth at the control section for the given flow rate.

Subject Headings: River flow | Open channel flow | Gradually varied flow | Computer software | Water flow | Subcritical flow | Steady flow

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