|WORLD METEOROLOGICAL ORGANIZATION||
|Explanation of the criteria for classification and numbering of components|| K35.2.06
|Explanation of the dates on the component's description|
WATER-SURFACE PROFILE COMPUTATION MODEL (WSPRO)
1. Purpose and objectives
The program WSPRO computes water-surface profiles for subcritical, critical, or supercritical flow as long as the flow can be reasonably classified as one-dimensional, gradually-varied, steady flow. WSPRO can be
used to analyse (1) open-channel flow, (2) flow through bridges (single or
multiple openings), (3) flow through culverts, (4) embankment overflow (5)
floodway analysis and (7) bridge scour.
The program was developed primarily for evaluating the effects of
backwater from existing stream crossings or evaluating alternative bridge openings and/or embankment configurations. The program is applicable to
water-surface profile analysis for highway design as well as problems
related to floodplain mapping and developing stage-discharge relations. The data input scheme is generally designed for unformatted, order-
independent data with the provision of propagation of constant data and
limited capabilities for synthesising cross sections. Open-channel
computations use standard step-backwater computational techniques. Single-opening bridge backwater free-surface flow uses an energy-balancing
Input data consists of coordinate data defining the cross-sectional shape of the channel, roughness coefficients, flow lengths, discharges, starting water-surface elevations, subarea breakpoints, bridge and culvert geometry and program-control parameters. The initial boundary condition is either the water-surface elevation or energy gradient at either end (downstream for subcritical flow, upstream for supercritical flow) of the study reach for the specified discharge. If it is not specified, WSPRO
WSPRO generates output describing the processing of the input data and the results of all profile computations. Tables of cross-sectional properties and/or velocity and conveyance distributions are available except for embankments and culverts. Cross-sectional plots can be produced in digital and line-printer formats. Tables of selected parameters can be defined by the user to produce a specific output format. WSPRO has 55
computed parameters that may be used to build an output table. Output can be in Metric or English units.
5. Operational requirements and restrictions
WSPRO is written in Fortran and has been used on a wide variety of personal computers, workstations, minicomputers, and mainframe computers.
Generally it is easily installed on any computer platform. A pre- and
post-processing program, written in the C programming language, is
6. Form of presentation
Program is distributed on a 3 1/2" floppy diskette or via the Internet. A users manual, written in English, is available (Shearman, 1990).
7. Operational experience
Extensive use within the United States.
8. Originator and technical support
U.S. Geological Survey, Office of Surface Water, Reston, Virginia, USA
From the HOMS National Reference Centre for USA for 3 1/2" floppy or printed documentation; or electronically on the Internet at
10. Conditions on use
Program is available free of charge; there is a charge for documentation.
Bradley, J.N., 1970, Hydraulics of bridge waterways. U.S. Federal Highway Administration Hydraulic Design Series No. 1, 111 p.
Shearman, J. O., Kirby, W. H., Schneider, V. R., and Flippo, H. N., 1986, Bridge waterway and analysis model; Research report. U.S. Federal Highway Administration Report No. FHWA/RD-86/108, 112 p.
Shearman, J. 0., 1990, User's manual for WSPRO - A computer model for water surface profile computations. U.S. Federal Highway Administration Report FHWA-IP-89-027, 177 p.
|(First entered:30 JAN 81||
Last updated: 28 NOV 94)