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Backtracking Search Algorithm-Based Lemurs Optimizer for Coupled Structural Systems
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DOI：10.3390/app15179751.png)
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Abstract
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The Backtracking Search Algorithm (BSA) has emerged as a promising stochastic optimization method. This paper introduces a novel hybrid evolutionary algorithm, termed LOBSA, integrating the strengths of BSA and Lemurs Optimizer (LO). The hybrid approach significantly improves global exploration and convergence speed, validated through rigorous tests on 23 benchmark functions from the CEC 2013 suite, encompassing unimodal, multimodal, and fixed dimension multimodal functions. Compared with state-of-the-art algorithms, LOBSA presents a relative improvement, achieving superior results and outperforming traditional BSA by up to 35% of global performance gain in terms of solution accuracy. Moreover, the applicability and robustness of LOBSA were demonstrated in practical constrained optimization and a fluid-structure interaction problem involving the dynamic analysis and optimization of a submerged boat propeller, demonstrating both computational efficiency and real-world applicability.
Keywords:
evolutionary algorithms
backtracking search
Lemurs Optimizer
metaheuristic
fluid-structure interaction
Journal
A
IF:
2.5
Papers:
1.9K
Citations:
15.9W
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