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Three dimensional analysis on behaviour of mining pipe of deep seabed mineral resources
- Authors
- Hong, S.
- Issue Date
- 1995
- Publisher
- Int Soc of Offshore and Polar Engineerns (ISOPE), Golden, CO, United States
- Citation
- Proceedings of the ISOPE Ocean Mining Symposium, pp 69 - 74
- Pages
- 6
- Journal Title
- Proceedings of the ISOPE Ocean Mining Symposium
- Start Page
- 69
- End Page
- 74
- ISSN
- 0000-0000
- Abstract
- A dynamic simulation model of a vertical pipe has been developed for the purpose of investigating three-dimensional dynamic behaviour of a ocean mining pipe. Dynamics of vertical pipe string is modeled by the modified Kirchhoff's beam theory including large deflections and nonlinear viscous drag forces. A lumped-mass method is developed for numerical analysis of 3-D nonlinear pipe behaviour. 3-D nonlinear simulations of a vertical mining pipe are carried out in time-domain by using the Newmark-β method. Effect of underwater pump modules and buffer on the dynamics of pipe string is investigated.
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