Deepwater umbilical overall response characteristic comparison research

SONG Lei-jian;FU Shi-xi*;CHEN Xi-qia;GUO Heng;QU Yan

Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (1) : 119-124.

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PDF(1637 KB)
Journal of Vibration and Shock ›› 2014, Vol. 33 ›› Issue (1) : 119-124.
论文

Deepwater umbilical overall response characteristic comparison research

  • SONG Lei-jian1, FU Shi-xi*1,CHEN Xi-qia1,GUO Heng2,QU Yan2
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Abstract

The Free Hanging Catenary shape and Lazy-Wave shape are designed for an deepwater umbilical based on the theoretical equations of the two kinds of shapes. The Static and dynamic responses of this umbilical under both shapes are calculated, as well as the distribution characteristics of effect tension and curvature. The results show that the maximum effect tensions all happen at the top hang points of the Free Hanging Catenary shape and Lazy-Wave shape, but the maximum curvatures happen at the TDP of the Free Hanging Catenary shape and the lift section’s endpoint of the Lazy-Wave shape. In addition,the Lazy-Wave shape can reduce the effect tension and the dynamic interference to the umbilical caused by the motion of the top float and the wave.


Key words

deepwater umbilical / Free Hanging Catenary / Lazy-wave / effect tension / curvature

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SONG Lei-jian;FU Shi-xi*;CHEN Xi-qia;GUO Heng;QU Yan. Deepwater umbilical overall response characteristic comparison research[J]. Journal of Vibration and Shock, 2014, 33(1): 119-124
PDF(1637 KB)

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