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

Yi Wang, Ji-jun Gu, Chen An, Meng-lan Duan and Ning He

Journal of Applied Mathematics, 2014, vol. 2014, issue 1

Abstract: 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.

Date: 2014
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https://doi.org/10.1155/2014/801781

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Persistent link: https://EconPapers.repec.org/RePEc:wly:jnljam:v:2014:y:2014:i:1:n:801781

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