When a platform is operating in a mooring, various vessels that frequently pass by result in severe accidental collisions of the platform. Thus, the kinematic response of the mooring platform should be investigated. A new analytical method, including a load analysis and kinematics analysis, is proposed in this paper. In the load analysis, the impact force is calculated using finite element method (FEM). In the kinematic analysis, closed-form analytical expressions based on multi-body dynamics are derived with the impact force as an input. Furthermore, the expressions are improved considering the fluid effect. A series of collision cases are implemented to validate the proposed method by FEM. The kinematic results solved by the proposed method agree well with FEM, which illustrates that the method is feasible and accurate. However, the proposed method taking around 30s, which is much shorter than 7200s by FEM, is proved to be more efficient.
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ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering
June 17–22, 2018
Madrid, Spain
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-5122-7
PROCEEDINGS PAPER
Kinematic Formulation of Mooring Platform During Collisions Based on Multi-Body Dynamic Theory
Qiuwan Duan,
Qiuwan Duan
Dalian University of Technology, Dalian, China
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Yang Yang
Yang Yang
Dalian University of Technology, Dalian, China
Search for other works by this author on:
Qiuwan Duan
Dalian University of Technology, Dalian, China
Yang Yang
Dalian University of Technology, Dalian, China
Paper No:
OMAE2018-78634, V003T02A016; 8 pages
Published Online:
September 25, 2018
Citation
Duan, Q, & Yang, Y. "Kinematic Formulation of Mooring Platform During Collisions Based on Multi-Body Dynamic Theory." Proceedings of the ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. Volume 3: Structures, Safety, and Reliability. Madrid, Spain. June 17–22, 2018. V003T02A016. ASME. https://doi.org/10.1115/OMAE2018-78634
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