Preliminary optimal configuration on free standing hybrid riser
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- Title
- Preliminary optimal configuration on free standing hybrid riser
- Authors
- CHOI, HAN SUK; Kim, Kyoung-Su; Kim, Kyung-Sung
- Date Issued
- 2018-05
- Publisher
- 대한조선학회
- Abstract
- Free standing hybrid riser (FSHR) is comprised of vertical steel risers and flexible jumpers (FJ). They are jointly connected to a submerged buoyancy can (BC). There are several factors that have influence on the behavior of FSHR such as the span distance between an offshore platform and a foundation, BC up-lift force, BC submerged location and FJ length.
An optimization method through a parametric study is presented. Firstly, descriptions for the overall arrangement and characteristics of FSHR are introduced. Secondly, a flowchart for optimization of FSHR is suggested. Following that, it is described how to select reasonable ranges for a parametric study and determine each of optimal configuration options. Lastly, numerical analysis based on above procedures is conducted through a case study. In conclusion, the relation among those parameters is analyzed and non-dimensional parametric ranges on optimal arrangements are suggested. Additionally, strength analysis is performed with optimal configurational cases.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/40923
- DOI
- 10.1016/j.ijnaoe.2017.10.012
- ISSN
- 2092-6782
- Article Type
- Article
- Citation
- International Journal of Naval Architecture and Ocean Engineering, vol. 10, no. 6, page. 250 - 258, 2018-05
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