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Vibration, Volume 8, Issue 3

September 2025 - 22 articles

Cover Story: A coupled FEA–CFD framework is applied to examine the structural and flow behavior of a concentric double-flange butterfly valve at 30°, 60°, and 90° openings. Modal analysis identifies shifts in natural frequencies, localized deformation, and direction-dependent mass participation. CFD characterizes separation zones, turbulence intensity, and pressure loss variation. The integrated results highlight critical excitation ranges and flow-induced vibration essential for improving valve stability and guiding design refinement. View this paper
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Articles (22)

  • Article
  • Open Access
717 Views
21 Pages

22 September 2025

Wire-rope isolators (WRIs) are widely used in vibration and seismic protection due to their multidirectional flexibility and amplitude-dependent hysteretic damping. However, their complex nonlinear behavior, especially under inclined and combined-mod...

  • Article
  • Open Access
610 Views
32 Pages

22 September 2025

The reduction in carbon footprint and scarcity of energy resources have increased the demand for renewable and sustainable energy resources, and thus, significant efforts have been concentrated on harnessing renewable and sustainable energy resources...

  • Article
  • Open Access
463 Views
24 Pages

Damage Identification in Beams via Contourlet Transform of Shearography Modal Data

  • Ali Mohammad Mohammadi,
  • Atefeh Soleymani,
  • Hashem Jahangir,
  • Mohsen Khatibinia,
  • José Viriato Araújo dos Santos and
  • Hernâni Miguel Lopes

21 September 2025

This paper presents a novel method for damage identification in aluminum beams using the contourlet transform. Four aluminum beams were used in the study: one was undamaged, while the other three had different damage scenarios. The damage included mi...

  • Article
  • Open Access
905 Views
28 Pages

13 September 2025

Ship stiffened panels, typically flat plates reinforced with various types of stiffeners, form a substantial part of a ship’s structure and are susceptible to resonance, especially in areas such as the after peak structure, engine room, and acc...

  • Article
  • Open Access
576 Views
17 Pages

4 September 2025

The half-through arch bridge short suspender is more prone to damage due to its high linear stiffness and special force characteristics. To analyze the vehicle-induced vibration characteristics of the short suspender during service, a half-through ar...

  • Article
  • Open Access
715 Views
16 Pages

3 September 2025

This study addresses the performance optimization of piezoelectric cantilever beam energy harvesters by proposing a design method based on surface arrayed groove modulation. Through systematic investigation of the effects of single grooves (upper sur...

  • Article
  • Open Access
827 Views
24 Pages

Spectral-Clustering-Guided Fourier Decomposition Method and Bearing Fault Feature Extraction

  • Wenxu Zhang,
  • Chaoyong Ma,
  • Gehao Feng,
  • Yanping Zhu,
  • Kun Zhang and
  • Yonggang Xu

1 September 2025

The Fourier decomposition technique has notable advantages in filtering vibration acceleration signals and enhances the feasibility of frequency-domain mode decomposition. To improve the accuracy of mode extraction, this paper proposed a novel Fourie...

  • Article
  • Open Access
952 Views
20 Pages

This study explores trajectory control in flexible manipulators using neural-network-based forward and inverse modeling. Unlike traditional approaches that enhance precision by increasing structural rigidity—often at the cost of added weight an...

  • Article
  • Open Access
617 Views
25 Pages

Numerical Analysis of the Dispersive Behaviour of Buried Elastic Periodic Structures

  • Alexandre Castanheira-Pinto,
  • Luís Godinho,
  • Pedro Alves Costa and
  • Aires Colaço

Train-induced vibrations negatively impact residents in nearby buildings and are increasingly recognized as a public health concern. To address this issue, both effective mitigation measures and simplified design procedures are essential. This study...

  • Article
  • Open Access
1,115 Views
15 Pages

Weibull Reliability Based on Random Vibration Performance for Fiber Optic Connectors

  • Jesús M. Barraza-Contreras,
  • Manuel R. Piña-Monárrez,
  • María M. Hernández-Ramos and
  • Secundino Ramos-Lozano

Communication via optical fiber is increasingly being used in harsh applications where environmental vibration is present. This study involves a Weibull reliability analysis focused on the performance of fiber optic connectors when they are subjected...

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Vibration - ISSN 2571-631X