A DSS for management on the jointly discharge of overtopped cofferdam

Management on the jointly discharge of overtopped cofferdam is a typical semi-structured problem. So a decision support system is designed to address the management on the jointly discharging of overtopped cofferdam. This paper systematically introduces the structural framework, design principal and fundamental function of CDDSS. The system consists of four components: database subsystem, model base subsystem, graphics base subsystem, method base subsystem, and user-interface. A CDDSS is a man-machine interactive system, integrates computer science and technology with the theory and method of system science, management science and the theory and method of hydraulic and electric engineering. The case study illustrates that the friendly window-based user interface of the system enables the user to take full advantage of the capabilities of the system in order to make effective realtime decisions.