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Fatigue Analysis of Metallic Strips Flexible Pipe

[+] Author Affiliations
Guowei Sun, Peihua Han, Yuxin Xu, Yong Bai, Hamad Hameed

Zhejiang University, Hangzhou, China

Paper No. OMAE2018-77384, pp. V005T04A008; 8 pages
doi:10.1115/OMAE2018-77384
From:
  • ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
  • Volume 5: Pipelines, Risers, and Subsea Systems
  • Madrid, Spain, June 17–22, 2018
  • Conference Sponsors: Ocean, Offshore and Arctic Engineering Division
  • ISBN: 978-0-7918-5124-1
  • Copyright © 2018 by ASME

abstract

Metallic strips flexible pipe (MSFP) is widely regarded as an alternative for submarine pipelines. This paper presents a methodology for calculating the fatigue life of MSFP. Firstly, given a specific working condition of MSFP, the dynamic responses of MSFP are calculated through OrcaFlex. The obtained results from the global analysis are then implemented into a finite element model in ABAQUS to determine the stress-history curves of each steel strips layer. The estimated fatigue life is calculated by rainflow counting algorithms, S-N curve and Miner’s rule which are coded in MATLAB. Additional study about average stress correction is carried out, which might be useful for its marine engineering applications.

Copyright © 2018 by ASME

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