An efficient structural finite element for inextensible flexible risers

Papathanasiou, T K, Markolefas, S, Khazaeinejad, P and Bahai, H (2017) An efficient structural finite element for inextensible flexible risers. IOP Conference Series : Materials Science and Engineering, 276(1), 012023. ISSN (print) 1757-8981

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Abstract

A core part of all numerical models used for flexible riser analysis is the structural component representing the main body of the riser as a slender beam. Loads acting on this structural element are self-weight, buoyant and hydrodynamic forces, internal pressure and others. A structural finite element for an inextensible riser with a point-wise enforcement of the inextensibility constrain is presented. In particular, the inextensibility constraint is applied only at the nodes of the meshed arc length parameter. Among the virtues of the proposed approach is the flexibility in the application of boundary conditions and the easy incorporation of dissipative forces. Several attributes of the proposed finite element scheme are analysed and computation times for the solution of some simplified examples are discussed. Future developments aim at the appropriate implementation of material and geometric parameters for the beam model, i.e. flexural and torsional rigidity.

Item Type: Article
Event Title: Conference of Computational Methods in Offshore Technology
Additional Information: Published version of: Papathanasiou, T K, Markolefas, S, Khazaeinejad, P and Bahai, H (2017) An efficient structural finite element for inextensible flexible risers. In: First Conference of Computational Methods in Offshore Technology; 30 Nov - 01 Dec 2017, Stavanger, Norway.
Research Area: Mechanical, aeronautical and manufacturing engineering
Faculty, School or Research Centre: Faculty of Science, Engineering and Computing
Faculty of Science, Engineering and Computing > School of Engineering
Depositing User: Payam Khazaeinejad
Date Deposited: 01 Nov 2019 10:42
Last Modified: 01 Nov 2019 10:44
DOI: https://doi.org/10.1088/1757-899X/276/1/012023
URI: http://eprints.kingston.ac.uk/id/eprint/41772

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