Study of the response of a single-dof dynamic system under stationary non-Gaussian random loads aimed at fatigue life assessment

Sgamma, Michele; Palmieri, Massimiliano; Barsanti, Michele; Bucchi, Francesco; Cianetti, Filippo; Frendo, Francesco

doi:10.1016/j.heliyon.2024.e30832

Heliyon

2024

DOI: 10.1016/j.heliyon.2024.e30832

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Study of the response of a single-dof dynamic system under stationary non-Gaussian random loads aimed at fatigue life assessment

Michele Sgamma,

Massimiliano Palmieri,

Michele Barsanti

et al.

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Cited by 2 publications

References 34 publications

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Application of thermoelasticity in the frequency-domain multiaxial vibration-fatigue criterion

Šonc,

Zaletelj,

Slavič

2025

Mechanical Systems and Signal Processing

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Application of thermoelasticity in the frequency-domain multiaxial vibration-fatigue criterion

Šonc,

Zaletelj,

Slavič

2025

Mechanical Systems and Signal Processing

View full text Add to dashboard Cite

Innovative multi-setup modal analysis using random decrement technique: a novel approach for enhanced structural characterization

Sabamehr,

Amani,

Bagchi

2024

IJSI

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PurposeThis paper introduces a novel multi-setup merging method and assesses its performance using simulated response data from a Finite Element (FE) model of a five-storey frame and experimental data from a cantilever beam tested in a laboratory setting.Design/methodology/approachIn the research conducted at the Central Building Research Institute (CBRI) in Roorkee, India, a cantilever beam was examined in a laboratory setting. The study successfully extracted the modal properties of the multi-storey building using the merging technique. Identified frequencies and mode shapes provide valuable insights into the building's dynamic behavior, which is essential for structural analysis and assessment. The sensor layout and data merging approach allowed for the capture of relevant vibration modes despite the limited number of sensors, demonstrating the effectiveness of the methodology.FindingsThe results show that reducing the number of sensors can impact the accuracy of the mode shapes. It is recommended to use a minimum of 8 sensor locations (every two floors) for the building under study to obtain reliable benchmark results for further evaluation, periodic monitoring, and damage identification.Originality/valueThe results demonstrate that the developed algorithm can improve the system identification process and streamline data handling. Furthermore, the proposed method is successfully applied to analyze the modal properties of a multi-storey building.

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Study of the response of a single-dof dynamic system under stationary non-Gaussian random loads aimed at fatigue life assessment

Cited by 2 publications

References 34 publications

Application of thermoelasticity in the frequency-domain multiaxial vibration-fatigue criterion

Application of thermoelasticity in the frequency-domain multiaxial vibration-fatigue criterion

Innovative multi-setup modal analysis using random decrement technique: a novel approach for enhanced structural characterization

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