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Dynamics calculation for variable-length underwater cable with geometrically nonlinear motion
Quan WC(全伟才)1,2; Chang, Qingqing1; Zhang QF(张奇峰)2; Gong, Jun1
Department水下机器人研究室
Source PublicationOcean Engineering
ISSN0029-8018
2020
Volume212Pages:1-19
Indexed BySCI ; EI
EI Accession number20202808907855
WOS IDWOS:000554925500018
Contribution Rank1
Funding OrganizationNational Natural Science Foundation of China (Grant No. 51709102) ; Hunan Provincial Natural Science Foundation of China (Grant No. 2019JJ50166) ; State Key Laboratory of Robotics, China (Grant No. 2018-O11)
KeywordVariable-length Underwater cable Dynamics calculation Nonlinear finite element Geometrically nonlinear motion
Abstract

A new finite element model of the variable-length underwater cable with geometrically nonlinear motion is presented in this paper.This model accounts for the effects of axial load, shear, bending, and torsion completely.First, a set of nonlinear, time-varying differential equations is derived from the theorem of linear and angular momentum, and its weak formulation is obtained by the principle of D'Alembert–Lagrange correspondingly.Through a series of consistent linearization with the Frechet derivative and discretization with the isoparametric interpolation, the governing finite element model for this variable-length cable is established.Second, the corresponding Newmark implicit time integration formulation is derived, and a scheme of adaptive step size is proposed to avoid convergence difficulty during the numerical calculation, and the way of mesh rediscretization is also illustrated to show the process of cable deployment.Third, after comparing with the results of two validation examples, the performance of the proposed approaches is further assessed with four numerical cases, which take consideration of the top alternating excitation, the terminal follower forces, and the sea current along the cable, since these terms are found to have a significant impact on the motion of variable-length underwater cable. Finally, some conclusions are drawn.

Language英语
WOS SubjectEngineering, Marine ; Engineering, Civil ; Engineering, Ocean ; Oceanography
WOS KeywordNUMERICAL-SIMULATION ; SYSTEM ; VEHICLE ; ELEMENT ; BEAMS ; MODEL
WOS Research AreaEngineering ; Oceanography
Funding ProjectNational Natural Science Foundation of China[51709102] ; Hunan Provincial Natural Science Foundation of China[2019JJ50166] ; State Key Laboratory of Robotics, China[2018-O11]
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sia.cn/handle/173321/27370
Collection水下机器人研究室
Corresponding AuthorQuan WC(全伟才)
Affiliation1.Hunan University of Science and Technology, Xiangtan, China
2.State key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang, China
Recommended Citation
GB/T 7714
Quan WC,Chang, Qingqing,Zhang QF,et al. Dynamics calculation for variable-length underwater cable with geometrically nonlinear motion[J]. Ocean Engineering,2020,212:1-19.
APA Quan WC,Chang, Qingqing,Zhang QF,&Gong, Jun.(2020).Dynamics calculation for variable-length underwater cable with geometrically nonlinear motion.Ocean Engineering,212,1-19.
MLA Quan WC,et al."Dynamics calculation for variable-length underwater cable with geometrically nonlinear motion".Ocean Engineering 212(2020):1-19.
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