Numerical Method of Computing Flow Profiles

by Ramanand Prasad, (A.M.ASCE), Head; Surface Water Sec., Dept. of Nat. Resour., State of Indiana, Indianapolis, IN,


Serial Information: Journal of the Hydraulics Division, 1970, Vol. 96, Issue 1, Pg. 75-86


Document Type: Journal Paper

Discussion: Subramanya Kanakatti (See full record)
Discussion: Apelt Colin J. (See full record)
Discussion: Jankowski Robert H. (See full record)
Closure: (See full record)

Abstract: A simple rapidly converging iterative method of computing gradually varied steady flow profiles in open channels of any shape, prismatic or nonprismatic, is presented. The method is also applicable to spatially varied steady flow. It is not necessary to determine the shape of the expected profile or the type of flow in advance to proceed with the solution. Computations can proceed either upstream or downstream, regardless of the type of flow, once the channel, discharge, and the initial depth of flow are specified. The procedure for hand computation is illustrated by an example and a Fortran program is given.

Subject Headings: Flow profiles | Gradually varied flow | Steady flow | Computing in civil engineering | Rivers and streams | Numerical methods | Open channel flow

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