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A new method using Euler parameters for 3D nonlinear analysis of marine risers/pipelines
- Authors
- Hong, S.; Kim, H.-W.; Choi, J.-S.
- Issue Date
- 2003
- Keywords
- Euler parameters; Geometric nonlinearity; Marine risers/pipelines; Sequential update; Virtual rotations
- Citation
- Proceedings of the ISOPE Ocean Mining Symposium, pp 83 - 90
- Pages
- 8
- Journal Title
- Proceedings of the ISOPE Ocean Mining Symposium
- Start Page
- 83
- End Page
- 90
- ISSN
- 0000-0000
- Abstract
- A novel method for 3-dimensional dynamic analysis of marine slender structures such as risers and pipelines is developed using Euler parameters. The Euler parameter rotation, which is widely used in kinematics of rigid body motion, is applied to elastic structure analysis. Large deformation of flexible slender structures is described by means of Euler parameters. Euler parameter method is implemented effectively in an incremental-iterative algorithm for 3D dynamic analysis. The normalization constraint of Euler parameters is efficiently satisfied by means of a sequential updating method.
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