State Key Laboratory of Hydraulic Engineering Simulation and Safety;
Tianjin University;
Tianjin 300072;
China;
School of Civil Engineering;
Tianjin University;
Tianjin 300072;
China;
CIMC Offshore Co.Ltd;
Shenzhen 518000;
China;
flow-induced vibration(FIV); passive control; helical strakes; flexible cylinders; staggered arrangement;