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A comparative study on effective dynamic modeling methods for flexible pipe

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Abstract

In this paper, in order to select a suitable method that is applicable to the large deflection with a small strain problem of pipe systems in the deep seabed mining system, the finite difference method with lumped mass from the field of cable dynamics and the substructure method from the field of flexible multibody dynamics were compared. Due to the difficulty of obtaining experimental results from an actual pipe system in the deep seabed mining system, a thin cantilever beam model with experimental results [7] was employed for the comparative study. Accuracy of the methods was investigated by comparing the experimental results and simulation results from the cantilever beam model with different numbers of elements. Efficiency of the methods was also examined by comparing the operational counts required for solving equations of motion. Finally, this cantilever beam model with comparative study results can be promoted to be a benchmark problem for the flexible multibody dynamics.

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Correspondence to Sung-Soo Kim.

Additional information

This paper was presented at the Joint Conference of the 3rd IMSD and the 7th ACMD, Busan, Korea, June, 2014. Recommended by Guest Editor Sung-Soo Kim and Jin Hwan Choi

Chang-Ho Lee received B.S. and M.S.. degrees in the department of Mechatronics Engineering of Chungnam National University in 2004 and 2006, respectively. He is working at KRISO in the research field on mining technology of deepseabed mineral resources. He is currently a Ph.D. candidate in intelligent robot system in Chungnam National University. His main research areas are numerical analysis using multi-body dynamics, development of simulation program and simulation based design.

Sung-Soo Kim received his Ph.D. degree in Mechanical Engineering from University of Iowa, U.S.A., in 1988. He is currently a professor of Mechatronics Engineering at Chungnam National University, Daejeon, Korea. His research interest is efficient analysis of rigid and flexible multibody dynamics.

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Lee, CH., Hong, S., Kim, HW. et al. A comparative study on effective dynamic modeling methods for flexible pipe. J Mech Sci Technol 29, 2721–2727 (2015). https://doi.org/10.1007/s12206-015-0520-4

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  • DOI: https://doi.org/10.1007/s12206-015-0520-4

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