An Analytical Solution by HAM for Nonlinear Simulation of Deepwater SCR Installation | Zendy

Yi Wang | Zendy; Jijun Gu | Zendy; Chen An | Zendy; Menglan Duan | Zendy; Ning He | Zendy

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An Analytical Solution by HAM for Nonlinear Simulation of Deepwater SCR Installation

Author(s) -

Yi Wang,

Jijun Gu,

Chen An,

Menglan Duan,

Ning He

Publication year - 2014

Publication title -

journal of applied mathematics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.307

H-Index - 43

eISSN - 1687-0042

pISSN - 1110-757X

DOI - 10.1155/2014/801781

Subject(s) - catenary , matlab , nonlinear system , computer science , sensitivity (control systems) , software , path (computing) , marine engineering , engineering , structural engineering , physics , quantum mechanics , electronic engineering , programming language , operating system

Steel catenary riser (SCR) is a cost-effective riser system that is widely used in deepwater offshore oilfields development. During SCR J-lay installation, the movement of pull-head must be carefully controlled to ensure riser safety. Since the SCR installation path calculation through numerical simulation software is usually time-consuming, this paper has established a mechanical model for SCR installation by making use of homotopy analysis method (HAM) to simplify its analytical solution, and dimensional analysis was considered in making initial guess solution. Based on this analytical solution, a program within the framework of MATLAB was developed to predict the two-dimensional riser behavior during installation, and a sensitivity analysis for different values of the control variables was carried out. Engineers may efficiently optimize the installation path by the application of this technique

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