The methods for parametric excitation instability analysis of slender flexible cylindrical structures in the offshore engineering
Xu wan-hai1; Wu ying-xiang2; Zhong xing-fu2; He yang3; Liu pei-lin3; Feng xian-hong3
1. School of Civil Engineering, Tianjin University, Tianjin, 300072; 2. Institute of Mechanics, Chinese Academy of Sciences, Beijing 100190; 3. OFFSHORE OIL ENGINEERING CO., LTD ENGINEERING COMPANY, Tianjin,300451
Abstract：this paper was analyzing the parametric excitation instability regions of slender flexible cylindrical structures in the offshore engineering, using L-P, modified L-P and harmonic balance method, comparing the three different methods, and drawing the first three instability chart, helping build up design guidance for TLP tethers and risers.
2011, Vol. 30 
