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Nonlinear Dynamic Analysis of Flexible Riser Structures

[+] Author Affiliations
S. A. Hosseini Kordkheili, H. Bahai

Brunel University, Uxbridge, Middlesex, UK

Paper No. OMAE2008-58014, pp. 693-698; 6 pages
doi:10.1115/OMAE2008-58014
From:
  • ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering
  • Volume 3: Pipeline and Riser Technology; Ocean Space Utilization
  • Estoril, Portugal, June 15–20, 2008
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-4820-3 | eISBN: 0-7918-3821-8
  • Copyright © 2008 by ASME

abstract

An updated Lagrangian finite element formulation of a three-dimensional pipe elbow element is presented for large displacement and large rotation dynamic analysis. In this formulation a particular linearization method is used to avoid inaccuracies normally associated with the linearization schemes. The formulation has been implemented in a nonlinear finite element code and the results are verified. It is shown that the proposed formulation generates improved results over those previously reported in the literature.

Copyright © 2008 by ASME

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