Abstract
AbstractIn this research, a flood control operating strategy is developed based on a simulation–optimization model to reduce flood damage downstream of multi-reservoir systems by using spillway gates. For this purpose, an optimization algorithm is introduced, in which maximum water level at downstream control points is objective function and the level of the stages of spillway gates are the decision variables. A global optimization tool, Shuffled Complex Evolution (SCE) algorithm implemented in the AUTOCAL software was coupled with Mike 11 from the DHI simulation model for optimizing stages level of spillway gates. As a case study, the Vu Gia Thu Bon rivers catchment including multi-reservoirs of A Vuong, Song Tranh 2, Dak Mi 4 and Song Bung 4 is analyzed. Results obtained from the proposed model indicate a dramatic decrease in the expected flood damage. A comparison of findings with other studies shows that the proposed model has a better ability to control floods and minimize damage.KeywordsOptimizationFlood mitigationReservoir systemsSCE algorithm
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