June 22, 2025

Case Study to Investigate the Effects of Modal Damping on Free Spanning Flexible Pipeline, Umbilical and Cable

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Modal damping significantly reduces VIV response in flexible pipelines, umbilicals, and cables, enhancing structural stability.
A case study reveals that energy dissipation occurs through friction during VIV excitation, influencing structural behavior.
Assessment of flexible structures requires distinct approaches compared to rigid pipelines, due to their non-linear response.
Understanding modal damping helps improve the industry standards for evaluating free spanning subsea structures.

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Case study explores modal damping's role in reducing VIV response in flexible pipelines and cables, highlighting assessment differences.

Jiao et al. (2025) studied this question.

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