Visualized platform coupling
A flexible riser suspended under an oscillating platform for offshore oil and gas transport, revealing how platform surge and sway differentially affect its vortex-induced vibration.
Gao, Yue · Liu, Wenli · Zhu, Hongjun · Hong, Liu · Zhou, Tongming · Yongbo, Shao
Physics of Fluids 2023
Experiments conducted across depth-averaged Reynolds numbers 150–1880
Four types of relative motion identified between platform and riser
Coupling length proposed to quantify platform-riser interaction
Platform motion suppresses in-plane and out-of-plane coupling at high reduced velocities