IMECH-IR  > 流固耦合系统力学重点实验室
Study on pure IL VIV of a free spanning pipeline under general boundary conditions
Xu WH(徐万海); Xu JY(许晶禹); Wu YX(吴应湘); Ji CN
Source PublicationCHINA OCEAN ENGINEERING
2017
Volume31Issue:1Pages:114-122
ISSN0890-5487
Abstract

Pipeline spans may occur due to natural seabed irregularities or local scour of bed sediment. The pure in-line (IL) vortex-induced vibrations (VIV) analysis of the free spans is an important subject for design of pipeline in uneven seabed. The main objective of this paper is to analyze the characteristics of pure IL VIV of a free spanning pipeline under general boundary conditions. An IL wake oscillator model which can describe the coupling of pipeline structure and fluctuating drag is introduced and employed. The coupled partial differential equations of structure and wake are transformed into a set of ordinary differential equations using two-mode Galerkin method. Some case studies are presented and thoroughly discussed in order to investigate the effects of internal fluid, axial force and boundary conditions on the pure IL VIV.

DOI10.1007/s13344-017-0014-5
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Indexed BySCI ; EI ; CSCD
Language英语
WOS IDWOS:000392625000014
WOS KeywordFree Spanning Pipeline ; Vortex-induced Vibrations ; Boundary Conditions ; Internal Fluid
WOS Research AreaEngineering ; Water Resources
WOS SubjectEngineering, Civil ; Engineering, Ocean ; Engineering, Mechanical ; Water Resources
Funding OrganizationFoundation item: This research was financially supported by the National Natural Science Foundation of China (Grant Nos. 51479135, 51525803 and 51679167), the Science Fund for Creative Research Groups of the National Natural Science Foundation of China (Grant No. 51321065), and the Major State Basic Research Development Program of China (973 Program, Grant No. 2014CB046801).
CSCD IDCSCD:5928138
DepartmentLMFS多相流及流固耦合(LHO)
ClassificationQ4
Ranking1
Citation statistics
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/60106
Collection流固耦合系统力学重点实验室
Corresponding AuthorWu YX(吴应湘)
Recommended Citation
GB/T 7714
Xu WH,Xu JY,Wu YX,et al. Study on pure IL VIV of a free spanning pipeline under general boundary conditions[J]. CHINA OCEAN ENGINEERING,2017,31(1):114-122.
APA Xu WH,Xu JY,Wu YX,&Ji CN.(2017).Study on pure IL VIV of a free spanning pipeline under general boundary conditions.CHINA OCEAN ENGINEERING,31(1),114-122.
MLA Xu WH,et al."Study on pure IL VIV of a free spanning pipeline under general boundary conditions".CHINA OCEAN ENGINEERING 31.1(2017):114-122.
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