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A Novel Prediction Model for Seawall Deformation Based on CPSO-WNN-LSTM

Author

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  • Sen Zheng

    (The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
    College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
    National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China)

  • Chongshi Gu

    (The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
    College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
    National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China)

  • Chenfei Shao

    (The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
    College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
    National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

  • Yating Hu

    (College of Infrastructure Construction, Nanchang University, Nanchang 330031, China)

  • Yanxin Xu

    (The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
    College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
    National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China
    College of Civil and Transportation Engineering, Hohai University, Nanjing 210098, China)

  • Xiaoyu Huang

    (The National Key Laboratory of Water Disaster Prevention, Hohai University, Nanjing 210098, China
    College of Water Conservancy and Hydropower Engineering, Hohai University, Nanjing 210098, China
    National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, Nanjing 210098, China)

Abstract

Admittedly, deformation prediction plays a vital role in ensuring the safety of seawall during its operation period. However, there still is a lack of systematic study of the seawall deformation prediction model currently. Moreover, the absence of the major influencing factor selection is generally widespread in the existing model. To overcome this problem, the Chaotic Particle Swarm Optimization (CPSO) algorithm is introduced to optimize the wavelet neural network (WNN) model, and the CPSO-WNN model is utilized to determine the major influencing factors of seawall deformation. Afterward, on the basis of major influencing factor determination results, the CPSO algorithm is applied to optimize the parameters of Long Short-Term Memory (LSTM). Subsequently, the monitoring datasets are divided into training samples and test samples to construct the prediction model and validate the effectiveness, respectively. Ultimately, the CPSO-WNN-LSTM model is employed to fit and predict the long-term settlement monitoring data series of an actual seawall located in China. The prediction performances of LSTM and BPNN prediction models were introduced to be comparisons to verify the merits of the proposed model. The analysis results indicate that the proposed model takes advantage of practicality, high efficiency, stable capability, and high precision in seawall deformation prediction.

Suggested Citation

  • Sen Zheng & Chongshi Gu & Chenfei Shao & Yating Hu & Yanxin Xu & Xiaoyu Huang, 2023. "A Novel Prediction Model for Seawall Deformation Based on CPSO-WNN-LSTM," Mathematics, MDPI, vol. 11(17), pages 1-22, August.
  • Handle: RePEc:gam:jmathe:v:11:y:2023:i:17:p:3752-:d:1230076
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    References listed on IDEAS

    as
    1. Zhuguang Lan & Ming Huang, 2018. "Safety assessment for seawall based on constrained maximum entropy projection pursuit model," Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, Springer;International Society for the Prevention and Mitigation of Natural Hazards, vol. 91(3), pages 1165-1178, April.
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    5. Timothy H. Dixon & Falk Amelung & Alessandro Ferretti & Fabrizio Novali & Fabio Rocca & Roy Dokka & Giovanni Sella & Sang-Wan Kim & Shimon Wdowinski & Dean Whitman, 2006. "Subsidence and flooding in New Orleans," Nature, Nature, vol. 441(7093), pages 587-588, June.
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