Adaptive Enhanced Beluga Whale Optimization for Structural Reliability Analysis of Engineering Structures

LI Sijia; ZHONG Changting; XIN Dabo

doi:10.21656/1000-0887.450233

Volume 46 Issue 10

Oct. 2025

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Article Navigation > Applied Mathematics and Mechanics > 2025 > 46(10): 1295-1306

LI Sijia, ZHONG Changting, XIN Dabo. Adaptive Enhanced Beluga Whale Optimization for Structural Reliability Analysis of Engineering Structures[J]. Applied Mathematics and Mechanics, 2025, 46(10): 1295-1306. doi: 10.21656/1000-0887.450233

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Adaptive Enhanced Beluga Whale Optimization for Structural Reliability Analysis of Engineering Structures

doi: 10.21656/1000-0887.450233

LI Sijia^1
,,
ZHONG Changting^{1, 2
,
,},
XIN Dabo^1
,

1.
School of Civil Engineering and Architecture, Hainan University, Haikou 570228, P. R. China
2.
Department of Engineering Mechanics, State Key Laboratory of Structural Analysis, Optimization and CAE Software for Industrial Equipment, Dalian University of Technology, Dalian, Liaoning 116024, P. R. China

Received Date: 2024-08-15
Rev Recd Date: 2024-09-22
Publish Date: 2025-10-01

Abstract

Abstract

Structural reliability analysis is an important technique in the uncertainty quantification of engineering structures, while the 1st-order reliability method (FORM) is popular due to its simplicity and efficiency. However, the FORM depends on the gradient information and may fall into local convergence for high-dimensional and highly nonlinear problems. The adaptive enhanced beluga whale optimization (BWO) was proposed for structural reliability analysis. The BWO with its updating rules was utilized to control the exploitation capacity, and the intelligence level of Alibaba and the forty thieves algorithm was combined with the updating mechanism to control the exploration capacity. Moreover, the adaptive strategy was developed to balance the exploration and exploitation, and the adaptive enhanced BWO was combined with the FORM to find the global reliability index in structural reliability analysis. Finally, 3 structural reliability problems in engineering were used to validate the HABWO-FORM, compared with 6 different metaheuristic algorithms. The results indicate that, the proposed method outperforms the comparative algorithms in terms of accuracy and robustness.
- metaheuristic algorithm,
- beluga whale optimization,
- structural reliability analysis,
- 1st-order reliability method,
- Alibaba and the forty thieves algorithm

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References(23)

References

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