Polymer properties, i.e. viscoelastic characteristics, may pose a non-negligible impact on the axisymmetric analysis, especially on the axial structural damping behavior. An available mechanical model taking viscoelastic into account is established for capturing such parameters as axial strains and forces on each layer, axial stiffness and so on. In this paper, the flexible riser is divided into helical and cylindrical elements to carry out the mechanical analysis due to the complexity of structure and material property. Prony Series is used to describe the creep and relaxation behavior of material viscoelasticity. A viscoelastic solution is obtained using the correspondence principle. Finally, a case study is performed and some interesting results are presented.
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ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering
May 31–June 5, 2015
St. John’s, Newfoundland, Canada
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5651-2
PROCEEDINGS PAPER
Axisymmetric Mechanical Behavior of Flexible Risers
Liu Junpeng,
Liu Junpeng
COPPE/UFRJ, Rio de Janeiro, Brazil
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Murilo A. Vaz,
Murilo A. Vaz
COPPE/UFRJ, Rio de Janeiro, Brazil
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Menglan Duan,
Menglan Duan
China University of Petroleum, Beijing, China
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Xiaotian Li
Xiaotian Li
COPPE/UFRJ, Rio de Janeiro, Brazil
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Liu Junpeng
COPPE/UFRJ, Rio de Janeiro, Brazil
Murilo A. Vaz
COPPE/UFRJ, Rio de Janeiro, Brazil
Menglan Duan
China University of Petroleum, Beijing, China
Xiaotian Li
COPPE/UFRJ, Rio de Janeiro, Brazil
Paper No:
OMAE2015-41440, V05AT04A039; 7 pages
Published Online:
October 21, 2015
Citation
Junpeng, L, Vaz, MA, Duan, M, & Li, X. "Axisymmetric Mechanical Behavior of Flexible Risers." Proceedings of the ASME 2015 34th International Conference on Ocean, Offshore and Arctic Engineering. Volume 5A: Pipeline and Riser Technology. St. John’s, Newfoundland, Canada. May 31–June 5, 2015. V05AT04A039. ASME. https://doi.org/10.1115/OMAE2015-41440
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