A design method is presented, which aims at the optimal cross-sectional layout of the multilayer steel tube umbilical. The merit of the method is to improve the tension stiffness and the fatigue life of umbilical. An optimization model is developed for arranging each component layer of the layout by considering the symmetry of mechanical performances of components. Finite element analysis (FEA) is carried out to check the contact force and the radial deformation of different layout types and to confirm the optimal layout design.
Design of Cross-Sectional Layout of Steel Tube Umbilical
Contributed by the Ocean, Offshore, and Arctic Engineering Division of ASME for publication in the JOURNAL OF OFFSHORE MECHANICS AND ARCTIC ENGINEERING. Manuscript received April 6, 2012; final manuscript received May 28, 2014; published online July 9, 2014. Assoc. Editor: Xin Sun.
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Lu, Q., Yang, Z., Yan, J., and Yue, Q. (July 9, 2014). "Design of Cross-Sectional Layout of Steel Tube Umbilical." ASME. J. Offshore Mech. Arct. Eng. November 2014; 136(4): 041401. https://doi.org/10.1115/1.4027800
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