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Smart Structures and Systems Volume 34, Number 3, September 2024 , pages 181-201 DOI: https://doi.org/10.12989/sss.2024.34.3.181 |
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Compressive strength of masonry structures through metaheuristics optimization algorithms |
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Ziqi Liu, Hossein Moayedi, Mehmet Akif Cifci, Mohammad Hannan and Erkut Sayin
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| Abstract | ||
| This study presents a comparative analysis of three nature-inspired algorithms—Black Hole Algorithm (BHA), Earthworm Optimization Algorithm (EWA), and Future Search Algorithm (FSA)—for predicting the compressive strength of masonry structures. Each algorithm was integrated with a Multilayer Perceptron (MLP) model, using a structural dimension, rebound number, ultrasonic pulse velocity, and failure load dataset. The dataset was divided into training (70%) and testing (30%) subsets to evaluate model performance. Root Mean Square Error (RMSE) and the coefficient of determination (R2) were employed as statistical indices to measure accuracy. The BHA-MLP model achieved the best performance, with an RMSE of 0.04731 and an R2 of 0.9995 for the training dataset and an RMSE of 0.06537 and an R2 of 0.99877 for the testing dataset, securing the highest overall score. FSA-MLP ranked second, demonstrating strong predictive performance, followed by EWAMLP, which performed with lower accuracy but still showed valuable results. The study highlights the potential of using these nature-inspired optimization algorithms to enhance the predictive accuracy of compressive strength in masonry structures, offering insights for engineering and policymaking to improve structural safety and performance. | ||
| Key Words | ||
| compressive strength; masonry structures; metaheuristics; optimization | ||
| Address | ||
| (1) Ziqi Liu: Department of Mechanical, Aerospace, and Civil Engineering, University of Manchester, UK; (2) Hossein Moayedi: Institute of Research and Development, Duy Tan University, Da Nang, Vietnam; (3) Hossein Moayedi: School of Engineering & Technology, Duy Tan University, Da Nang, Vietnam; (4) Mehmet Akif Cifci: Department of Computer Engineering, Bandirma Onyedi Eylul University, 10200 Balikesir, Türkiye; (5) Mehmet Akif Cifci: Engineering and Informatics Department, Klaipėdos Valstybinė Kolegija/Higher Education Institution, 92294 Klaipeda, Lithuania; (6) Mohammad Hannan: Former student, Department of Mathematics, Shiraz University of Technology, Shiraz, Iran; (7) Erkut Sayin: F | ||