Distributed load identification for hyperelastic plates using gradient-based and machine learning methods

Khosrowpour, E.; Hematiyan, M. R.

doi:10.1007/s00707-024-03881-7

Acta Mech

2024

DOI: 10.1007/s00707-024-03881-7

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Distributed load identification for hyperelastic plates using gradient-based and machine learning methods

E. Khosrowpour,

M. R. Hematiyan

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2024

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Deep recurrent-convolutional neural network learning and physics Kalman filtering comparison in dynamic load identification

Impraimakis

2024

Structural Health Monitoring

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The dynamic structural load identification capabilities of the gated recurrent unit, long short-term memory, and convolutional neural networks are examined herein. The examination is on realistic small dataset training conditions and on a comparative view to the physics-based residual Kalman filter (RKF). The dynamic load identification suffers from the uncertainty related to obtaining poor predictions when in civil engineering applications only a low number of tests are performed or are available, or when the structural model is unidentifiable. In considering the methods, first, a simulated structure is investigated under a shaker excitation at the top floor. Second, a building in California is investigated under seismic base excitation, which results in loading for all degrees of freedom. Finally, the International Association for Structural Control-American Society of Civil Engineers (IASC-ASCE) structural health monitoring benchmark problem is examined for impact and instant loading conditions. Importantly, the methods are shown to outperform each other on different loading scenarios, while the RKF is shown to outperform the networks in physically parametrized identifiable cases.

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Deep recurrent-convolutional neural network learning and physics Kalman filtering comparison in dynamic load identification

Impraimakis

2024

Structural Health Monitoring

View full text Add to dashboard Cite

show abstract

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Distributed load identification for hyperelastic plates using gradient-based and machine learning methods

Cited by 1 publication

References 46 publications

Deep recurrent-convolutional neural network learning and physics Kalman filtering comparison in dynamic load identification

Deep recurrent-convolutional neural network learning and physics Kalman filtering comparison in dynamic load identification

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