Hydraulic Station Simulation On Urban Water Supply Network & Primary Development On Its Graphic Management System

Water supply network is an important component of the urban water distribution system. Through the simulation of hydraulic station on water supply network, people can use the data of quite less monitoring points to reflect the information of all controlling points, thereby greatly saving investment and improving work efficiency. Currently, some problems have existed in this area. The function of the computer hasn't been given full play.Based on the past documents and materials and relevant project experience on this topic, the article have studied the issue in-depth, chosen its mathematical model rationally and analyzed its restraint conditions. Firstly, the article utilizes the SGA method to simulating compution, then, we introduce many new technologies into it step by step for improving the algorithm's efficiency and have acquired good expected results. These technologies contain floating dot's coding, expanding sample space, elite's tactics, arithmetic cross, dynamical variation etc.. Finally, the text expounds the necessity and rationality of these improvements from theory's level.The GRG algorithm can supplement the decect of GA's weak sectional searching ability, so we use it as a piece of module which can improves GA performance to searching optimizing result for some percentage of population and the result shows it can upgrade the GA's efficiency and precision.MATLAB has outstanding numerical simulation functions. Based on it, the article firstly regards two simple examples as target to simulate computation, identifying the validity or successful place which the text abrove has studied and optimally design the procedure written by us. Finally, with the real urban water supply network of a city as an example, the article carrys out simulating compution and testifys that the method the article has elaborated is feasible and practical.Last, through writing procedure's code on the VB6.0, this article carrys out the primary development of its graphic managerment system and completes these tasks such as extracting water supply network's data information automatically from the AutoCAD, generating database automatically etc. Besides, the simulating results can be exported to the Excel table automatically by using the ActiveX technology.