Marine Equipment and Technology Institute;
Jiangsu University of Science and Technology;
Zhenjiang 212003;
China;
School of Naval Architecture and Marine Engineering;
Jiangsu University of Science and Technology;
Zhenjiang 212003;
China;
Marine Design & Research Institute of China;
Shanghai 200011;
China;
FDPSO; multi-columns; vortex-induced; motion; (VIM); model; tests; variable; cross-section; column;