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- W2357309779 abstract "Under the hostile ocean environment, the dynamic characteristics of a submarine free span pipeline would be quite different from those of a pipeline on land as a result of the combined influence of internal and external fluids. This paper investigates the effect of vortex induced by external current on structures, meanwhile it takes the steady inner flow into consideration and solves the cross-flow differential function of a submarine free span pipeline by means of the finite element method. The relationship between the inner flow velocity and the resonant amplitude of a free span pipeline under different external current speeds is achieved by the numerical study. Then the effect of the internal current speeds on the frequency of a free span pipeline is discussed. Furthermore, the relationship between the critical internal velocity in the case of instability and the corresponding length of a free span is explored in this paper. The conclusion from the research could provide some useful information for submarine pipeline design." @default.
- W2357309779 created "2016-06-24" @default.
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- W2357309779 date "2005-01-01" @default.
- W2357309779 modified "2023-09-27" @default.
- W2357309779 title "Study on the Cross-Flow Dynamic Characteristics of a Submarine Free SpanPipeline Subjected to Internal and External Flow" @default.
- W2357309779 hasPublicationYear "2005" @default.
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