Accession Number : ADA189833

Title :   Water Distribution Analysis and Optimization (WADISO). User's Guide and Documentation. Chapter 28, Parts 1 and 2, Change 6.

Descriptive Note : Final rept.,

Corporate Author : ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS ENVIRONMENTAL LAB

Personal Author(s) : Gessler, Johannes ; Sjostrom, John W ; Walski, Thomas M

PDF Url : ADA189833

Report Date : 01 Jul 1987

Pagination or Media Count : 244

Abstract : This document provides guidance on the use of a computer program WADISO (Water Distribution System Analysis and Optimization). The computer model consists of three major parts: steady state computer simulation, optimization, and extended period simulation. The steady state simulation portion computes flows and pressures in pipe networks under steady state conditions. The optimization portion optimally sizes pipes in a water distribution system and selects optimal pipes for cleaning and lining. The extended period simulation or time simulation computes pressure and flow distribution in pipe networks taking into consideration fluctuating tank water levels and varying water use patterns over time. All parts of the program can handle virtually and typical water distribution system and allow for the presence of pumps, pressure reducing valves, check valves , and multiple supply points. The program accepts input interactively from the terminal via keywords. Typically the program used is to size the pipes in an expansion of an existing system, or to improve the pressure conditions in an existing conditions by reinforcing the system through the cleaning of selected pipes or the addition of pipes parallel to existing pipes. In addition to varying tank water levels and water use patterns, the extended period simulation allows for fire lows, pumps controlled by tank water level and time, and pipes opened or closed during different times during a simulation.

Descriptors :   *WATER FLOW, *PIPES, *WATER DISTRIBUTION, CHECK VALVES, COMPUTER PROGRAMS, COMPUTERIZED SIMULATION, DISTRIBUTION, LEVEL(QUANTITY), NETWORKS, OPTIMIZATION, PATTERNS, PRESSURE, PUMPS, REINFORCING MATERIALS, SIZES(DIMENSIONS), STEADY STATE, TIME, USER MANUALS, WATER, WATER TANKS, WATER SUPPLIES, LONG RANGE(TIME), WATER ANALYSIS

Subject Categories : Civil Engineering

Distribution Statement : APPROVED FOR PUBLIC RELEASE