Evaluation on the Flow Field Effects by the Changes of Artificial Reef Shapes

Abstract

The artificial reef changes the flow field which will impact the surrounding fish's tropism and distribution. In this paper, FLUENT is used to simulate the flow field of three sets of artificial reefs including different size of the opening, inflow angle and cylinder shape and the change of the shape effect of flow field are discussed. Then, fuzzy evaluation method is applied to evaluate the flow field effect caused by the above three groups of artificial reef. Finally, in order to provide a theoretical basis for the optimization of the shape of artificial reefs, a special combination of three sets of optimal specimen and the three best specimens have been evaluated to verify the rationality of the evaluation system.