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Showing 2 results for Conveyance System

A. Afshar, H. Abbasi, M. R. Jalali,
Volume 4, Issue 1 (3-2006)

Water conveyance systems (WCSs) are costly infrastructures in terms of materials, construction, maintenance and energy requirements. Much attention has been given to the application of optimization methods to minimize the costs associated with such infrastructures. Historically, traditional optimization techniques have been used, such as linear and non-linear programming. In this paper, application of ant colony optimization (ACO) algorithm in the design of a water supply pipeline system is presented. Ant colony optimization algorithms, which are based on foraging behavior of ants, is successfully applied to optimize this problem. A computer model is developed that can receive pumping stations at any possible or predefined locations and optimize their specifications. As any direct search method, the mothel is highly sensitive to setup parameters, hence fine tuning of the parameters is recommended.
Gholamhossein Akbari,
Volume 14, Issue 3 (4-2016)

Abstract: Comprehensive computational analysis was made for modelling the integrated hydrologic- hydraulics characteristics of varied unsteady flow in hydraulic structures as part of water engineering practices and river basin management. Several numerical skills, linear, nonlinear, implicit, explicit methods were developed and tested with existing river analysis software of Danish Hydraulic Institute (DHI) and Hydrologic Engineering Centre (HEC) series models. Coupled hydrological and hydraulics analysis of storming run-off flows in broad waterways boundaries including flood plains of compound sections were studied. Application of models was encouraging, the complex water conveyance systems transported lateral flows in natural rivers were modelled satisfactorily. Storming flow events in real rivers were coded and compared through different numeral techniques such as Method of Characteristics, Mac-Cormack, Diffusive numeral model and Preissmann fully implicit model. Predicted results were close to observed values verified and confirmed the hand written codes and programs in MATLAB environment. Enhanced modelling skills were justified by (HEC) series and Mike series computer software. Merits of this research were seen based on numerical accuracy, consistency, stability and converging results to observed targets.

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