Dynamic Effect Research of Cable-Lead-In Rod on Towed System

doi:10.1007/s12204-019-2135-x

Journal of Shanghai Jiao Tong University (Science) ›› 2019, Vol. 24 ›› Issue (6): 745-753.doi: 10.1007/s12204-019-2135-x

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Dynamic Effect Research of Cable-Lead-In Rod on Towed System

WANG Fei (王飞), TU Weimin (涂卫民), DENG Deheng (邓德衡), WU Xiaofeng (吴小峰)

(1. State Key Laboratoryof Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2. Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai Jiao Tong University, Shanghai 200240, China; 3. Wuhan Second Ship Design and Research Institute, Wuhan 430064, China; 4. China Ship Scientific Research Center, Wuxi 214082, Jiangsu, China)
(1. State Key Laboratoryof Ocean Engineering, Shanghai Jiao Tong University, Shanghai 200240, China; 2. Collaborative Innovation Center for Advanced Ship and Deep-Sea Exploration, Shanghai Jiao Tong University, Shanghai 200240, China; 3. Wuhan Second Ship Design and Research Institute, Wuhan 430064, China; 4. China Ship Scientific Research Center, Wuxi 214082, Jiangsu, China)

Online:2019-12-15 Published:2019-12-07
Contact: WANG Fei (王飞) E-mail:Hengex@gmail.com

Abstract

Abstract: This paper aims to research the cable-lead-in rod effect on a towed system through mathematical modeling and numerical simulations. The rod dynamics, as a key part of this study, is modeled using the combination of cable node governing equations and kinematic constraint conditions. As the first attempt to analyze such a problem, the rod is simply treated as an elastic cable segment so as to be incorporated into the dynamics of the cable, and a set of algorithm is then proposed based on the kinematic constraint conditions to fully describe its motions. Meanwhile, the cable and the underwater vehicle are modeled by the traditional lumped mass method and the 6 degree-of-freedom maneuverability equations for submarines respectively; the coupling boundary conditions besides the rod dynamics are also given to form the whole system’s model. Several numerical cases are performed to investigate the rod effect on the system in different maneuver situations. Some meaningful conclusions are drawn through comparative analysis.

Key words: towed system| towed cable| cable-lead-in rod| kinematic constraint condition

摘要： This paper aims to research the cable-lead-in rod effect on a towed system through mathematical modeling and numerical simulations. The rod dynamics, as a key part of this study, is modeled using the combination of cable node governing equations and kinematic constraint conditions. As the first attempt to analyze such a problem, the rod is simply treated as an elastic cable segment so as to be incorporated into the dynamics of the cable, and a set of algorithm is then proposed based on the kinematic constraint conditions to fully describe its motions. Meanwhile, the cable and the underwater vehicle are modeled by the traditional lumped mass method and the 6 degree-of-freedom maneuverability equations for submarines respectively; the coupling boundary conditions besides the rod dynamics are also given to form the whole system’s model. Several numerical cases are performed to investigate the rod effect on the system in different maneuver situations. Some meaningful conclusions are drawn through comparative analysis.

关键词: towed system| towed cable| cable-lead-in rod| kinematic constraint condition

CLC Number:

P 75

WANG Fei (王飞), TU Weimin (涂卫民), DENG Deheng (邓德衡), WU Xiaofeng (吴小峰). Dynamic Effect Research of Cable-Lead-In Rod on Towed System[J]. Journal of Shanghai Jiao Tong University (Science), 2019, 24(6): 745-753.

References 17

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Dynamic Effect Research of Cable-Lead-In Rod on Towed System

Dynamic Effect Research of Cable-Lead-In Rod on Towed System

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