Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex
The application of flexible risers has led to increased production of fluid contents in the marine industry. This paper presents the design challenges of a flexible riser subjected to internal pressure under deep-water conditions, at a water depth of 2000 m. Parametric variations with extensive dyna...
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my.uniten.dspace-361662025-03-03T15:41:29Z Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex Amaechi C.V. Butler H.O. Beddu S.B. Syamsir A. Ja?e I.A. Reda A. Ju X. 57204818354 57325028400 55812080500 57195320482 57201461345 55396179300 56348761500 Equipment Design Models, Theoretical Pressure Article bending moment biocompatibility biomechanics computer aided design cytotoxicity dynamic positioning dynamics elemental analysis environment environmental parameters finite element analysis flexible riser geometry hydrodynamics length of riser machine learning Morison equation motion Number of layer parametric analysis pressure reinforcement (psychology) riser static analysis shear stress speed depth surface speed target segment length tension velocity von Mises stress water depth Young modulus equipment design theoretical model The application of flexible risers has led to increased production of fluid contents in the marine industry. This paper presents the design challenges of a flexible riser subjected to internal pressure under deep-water conditions, at a water depth of 2000 m. Parametric variations with extensive dynamic analysis were carried out. The study highlights include the global analysis of lazy-wave configuration for the design of flexible risers, to understand the failure of flexible risers and application of hybrid configurations on flexible pipes. For the global analysis, the design of the riser was modelled in OrcaFlex by considering different sections and then analysed for the influence of effective tension, bending moment and environmental conditions. This riser model is multi-layered and was mainly subjected to the fluid pressure load and the environmental load. Model validations were performed with existing lazy-wave models. In the global design, the riser was assessed when connected to the vessel, but vessel motion was not included, additionally, three different environmental conditions were applied on the model. Also, the suitability of the adopted configuration for the proposed flexible riser was adopted considering it as a sustainable marine structure. Stress profile, tension profile and bending moment for the risers were presented and conclusions were made on the study. Some fatigue study is recommended in future study to be undertaken on the riser. ? 2024 Amaechi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. Final 2025-03-03T07:41:29Z 2025-03-03T07:41:29Z 2024 Article 10.1371/journal.pone.0310360 2-s2.0-85213380489 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85213380489&doi=10.1371%2fjournal.pone.0310360&partnerID=40&md5=0f5cf88b7e81e89f6c4a28329af16cc8 https://irepository.uniten.edu.my/handle/123456789/36166 19 12 e0310360 All Open Access; Gold Open Access Public Library of Science Scopus |
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Equipment Design Models, Theoretical Pressure Article bending moment biocompatibility biomechanics computer aided design cytotoxicity dynamic positioning dynamics elemental analysis environment environmental parameters finite element analysis flexible riser geometry hydrodynamics length of riser machine learning Morison equation motion Number of layer parametric analysis pressure reinforcement (psychology) riser static analysis shear stress speed depth surface speed target segment length tension velocity von Mises stress water depth Young modulus equipment design theoretical model |
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Equipment Design Models, Theoretical Pressure Article bending moment biocompatibility biomechanics computer aided design cytotoxicity dynamic positioning dynamics elemental analysis environment environmental parameters finite element analysis flexible riser geometry hydrodynamics length of riser machine learning Morison equation motion Number of layer parametric analysis pressure reinforcement (psychology) riser static analysis shear stress speed depth surface speed target segment length tension velocity von Mises stress water depth Young modulus equipment design theoretical model Amaechi C.V. Butler H.O. Beddu S.B. Syamsir A. Ja?e I.A. Reda A. Ju X. Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex |
| description |
The application of flexible risers has led to increased production of fluid contents in the marine industry. This paper presents the design challenges of a flexible riser subjected to internal pressure under deep-water conditions, at a water depth of 2000 m. Parametric variations with extensive dynamic analysis were carried out. The study highlights include the global analysis of lazy-wave configuration for the design of flexible risers, to understand the failure of flexible risers and application of hybrid configurations on flexible pipes. For the global analysis, the design of the riser was modelled in OrcaFlex by considering different sections and then analysed for the influence of effective tension, bending moment and environmental conditions. This riser model is multi-layered and was mainly subjected to the fluid pressure load and the environmental load. Model validations were performed with existing lazy-wave models. In the global design, the riser was assessed when connected to the vessel, but vessel motion was not included, additionally, three different environmental conditions were applied on the model. Also, the suitability of the adopted configuration for the proposed flexible riser was adopted considering it as a sustainable marine structure. Stress profile, tension profile and bending moment for the risers were presented and conclusions were made on the study. Some fatigue study is recommended in future study to be undertaken on the riser. ? 2024 Amaechi et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. |
| author2 |
57204818354 |
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57204818354 Amaechi C.V. Butler H.O. Beddu S.B. Syamsir A. Ja?e I.A. Reda A. Ju X. |
| format |
Article |
| author |
Amaechi C.V. Butler H.O. Beddu S.B. Syamsir A. Ja?e I.A. Reda A. Ju X. |
| author_sort |
Amaechi C.V. |
| title |
Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex |
| title_short |
Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex |
| title_full |
Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex |
| title_fullStr |
Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex |
| title_full_unstemmed |
Parametric analysis on the global design of flexible riser under different environmental conditions using OrcaFlex |
| title_sort |
parametric analysis on the global design of flexible riser under different environmental conditions using orcaflex |
| publisher |
Public Library of Science |
| publishDate |
2025 |
| _version_ |
1825816264241577984 |
| score |
13.244413 |