Optimum Design of Plane Steel Truss using Whale Optimization Algorithm
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Abstract
This paper aims to present the application of the Whale Optimization Algorithm (WOA) to design the optimal plane steel truss with discrete design variables according to the ASD methods by AISC standard. Angle sections are selected from the standard table of steel sections to find the minimum weight of structure. The WOA finds an optimal solution by simulating the special hunting behavior of whales called bubble-net. This optimal plane steel truss design is developed by Visual Studio 2015. To demonstrate the effectiveness of this algorithm, the WOA is tested by two examples of steel plane trusses from literature, namely transmission tower truss and roof truss. The results obtained by the WOA are compared with the HCA and the experience-based design method. The results show that the WOA outperforms the compared methods in finding the optimal solution. It can be designed with a lighter weight in the range of 11.04 to 16.60 %
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