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计算机科学 ›› 2016, Vol. 43 ›› Issue (Z6): 60-63.doi: 10.11896/j.issn.1002-137X.2016.6A.013

• 智能计算 • 上一篇    下一篇

随机海况大型船舶流固耦合变形大偏差算法研究

陈钊,章社生,李宇光   

  1. 武汉理工大学数学模型学会 武汉430070,武汉理工大学数学模型学会 武汉430070,武汉理工大学数学模型学会 武汉430070
  • 出版日期:2018-12-01 发布日期:2018-12-01
  • 基金资助:
    本文受国家自然科学重点基金资助

Large Deviation Algorithm of Huge Ship Fluid Solid Coupling Deformation in Random Sea Wave Condition

CHEN Zhao, ZHANG She-sheng and LI Yu-guang   

  • Online:2018-12-01 Published:2018-12-01

摘要: 研究航母级别的大型船舶长时间变形是有实际意义的。在随机海况条件下,根据波浪与船体的流固耦合相互作用,建立了大型船舶的变形大偏差算法数学模型,给出了大型船舶变形的大偏差和变形绝对值大偏差的计算原理,提出了船舶变形大偏差优化算法,并进行了实例计算分析,为研究船舶疲劳损伤提供了理论依据。

关键词: 船舶,变形,大偏差,时间系列

Abstract: It is of practical significance to study the long time deformation of large ship with carrier grade.In random sea state conditions,according to the wave and the hull of the fluid solid coupling interaction,the mathematical model of large deviation algorithm of the large ship deformation was built.The large deviation numerical principles of large ship deformation and absolute deformation were given.The ship deformation large deviation optimization algorithm and an example of calculation were shown.Our theory and results are useful for research on ship fatigue injury.

Key words: Ship,Deformation,Large deviation,Time series

[1] Li Zhi-xiong,Yan Xin-ping,Li Qin,et al.Model reference robust control for marine propulsion systems with model uncertainty caused by hull deformation[J].Journal of Marine Science and Technology,2013,21(4):400-409
[2] 严新平,李志雄,刘正林,等.大型船舶推进系统与船体耦合动力学研究综述[J].船舶力学,2013,17(4):439-449
[3] Roemen R,Grevink J.An advanced approach to the design of shaftlines and bearing arrangements for fast ferries [J].WartsilaTechnical Journal,2009,32(1):47-53
[4] 陈秋丽,何明,王琰,等.面向海洋监测的水声传感器网络节点定位算法[J].计算机科学,2015,2(2):29-32
[5] Li Zhi-xiong,Yan Xin-ping,Tain Zhe,et al.Blind vibration component separation and nonlinear feature extraction applied to the nonstationary vibration signals for the gearbox multi-fault diagnosis[J].Measurement,Elsevier,2012,46(1):259-271
[6] Li Y,Zhang C S,Wu R.Ruin estimates of diffusion models under constant interest rate[J].Chinese Jouxnal of Applied Probbaility and Statisties,2003,9(1):79-84
[7] Ruan Xiang-kui,Yang Ping,Yan Xin-ping,et al.Study on Hull Deformation at Supports of Propulsion Shaft of a Large Contai-ner Ship[C]∥The 4th International Conference on Frontiers of Manufacturing and Design Science (ICFMD 2013).HongKong,2013
[8] Dong Cong-lin,Yuan Cheng-qing,Liu Zheng-lin,et al.MarinePropulsion System Reliability Research Based on Fault Tree Analysis[J].Advanced Shipping and Ocean Engineering, 2013,2(1):27-33
[9] Chen Xin,Li Meng-yu,Zhang She-sheng.A Parallel Algorithm of Non-Linear Fluid-Solid Coupling Problem for Hydrofoil[J].Journal of Algorithms & Computational Technology,2014,8(3):249-266
[10] 廖玉麟.大偏差理论及其应用[J].长沙铁道学院学报,1987(1):15-25
[11] Gao Fu-qing,Ren Jia-gang.Large deviations for stochastic flows and their applications[J].Science in China Series A,2001,44:1016-1033
[12] Schulten P.The Interaction between diesel engine,ship and propeller during maneuvering [D].Netherlands:Technische Universiteit Delft,2005
[13] Chen Xin,Zhou Xin-cong,Zhang She-sheng,et al.A numerical fluid-solid coupling model for the dynamics of ships in atrocious sea conditions[J].Journal of Algorithms & Computational Technology,2015,9(2):163-175
[14] 国冰磊,于炯,廖彬,等.SQL能耗建模及优化研究[J].计算机科学,2015,42(10):202-207

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