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Effects of internal flow on dynamics of underwater flexible pipes
- Authors
- Hong, S.; Choi, J.-S.; Kim, H.-W.
- Issue Date
- 2003
- Keywords
- 3D dynamics; Flexible pipes; Momentum change; Pressure force; Steady internal flow; Time domain; Wall friction
- Citation
- Proceedings of the ISOPE Ocean Mining Symposium, pp 91 - 98
- Pages
- 8
- Journal Title
- Proceedings of the ISOPE Ocean Mining Symposium
- Start Page
- 91
- End Page
- 98
- ISSN
- 0000-0000
- Abstract
- In this paper, the effects of internal flow in underwater flexible pipe are mathematically formulated. Internal flow is assumed steady. Pressure force, centrifugal force, Corioli's force and inertia moments from internal flow on 3D nonlinear moving pipe are rigorously derived. Numerical simulations of a 3D nonlinear flexible pipe are performed in time domain. Forced excitation analyses for flexible pipe subject to current are carried out with variation of mass density and internal flow velocity.
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