Simulation Modelling and Heuristic Optimization of the Ship Steam Boiler

J. Dvornik and S. Dvornik (Croatia)


Marine steam boiler, simulation modelling, system dynamics, continuous and discrete simulation.


The aim of this paper is to demonstrate the successful application of system dynamic simulation modelling (System Dynamics Modelling – Jay Forrester – MIT [1]) at investigating performance dynamics of the marine steam boiler. Marine steam boiler is a complex non-linear system which needs to be systematically investigated as a unit consisting of a number of subsystems and elements, which are linked by cause-effect (UPV) feedback loops (KPD), both within the system and with the relevant surrounding. In this paper the authors will present the efficient application of scientific methods for the research of complex dynamic systems called qualitative and quantitative simulation System dynamics methodology, which will allow for production and use of higher number and kinds of simulation models of the observed elements, and finally allow for the continuous computer simulation, which will significantly contribute to acquisition of new information about the non-linear character of performance dynamics of marine steam boilers in the process of designing and education. Marine steam boiler will be presented in POWERSIM simulation language in verbal, structural and mathematical computer models.

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