Multi-mode vortex-induced vibration characteristics of a lazy-wave cable subject to nonlinear shear flow

2026-03-17

PRE

Shuai Wang

Hongjie Wen *

Zhixia Liang

Yi Zheng

Jingchang Zhang

DOI：10.1016/j.oceaneng.2026.125107

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• The suspended and descending sections of the lazy-wave cable are the most sensitive to fatigue damage. • Increasing flow velocity causes a shift from single-mode dominance to the coexistence of higher-order modes. • PFE analysis reveals spatial variations in modal dominance along the cable span. • Intermittent switching between standing and traveling waves drives modal competition and localized energy migration.

Keywords:

lazy-wave cable

vortex-induced vibration

multi-mode dynamics

nonlinear shear flow

modal competition

Multi-mode vortex-induced vibration characteristics of a lazy-wave cable subject to nonlinear shear flow

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