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哈尔滨工程大学学报（英文版）
哈尔滨工程大学学报（英文版）

段文洋

季刊

1671-9433

jmsa@hrbeu.edu.cn

0451-82589211

150001

哈尔滨市南岗区南通大街145-1号楼

哈尔滨工程大学学报（英文版）/Journal Journal of Marine Science and ApplicationCSCDCSTPCD北大核心
查看更多>>Journal of Marine Science and Application（《船舶与海洋工程学报》），创刊于2002年，季刊，由中国造船工程学会和哈尔滨工程大学联合主办，与国际知名出版集团Springer联合出版发行的英文国际学术期刊，是中国造船工程学会会刊。主要刊登中国船舶与海洋领域最新的科研成果和高水平的学术论文，旨在促进国际学术交流、推动国内船舶科技的发展。期刊具体内容涉及船舶工程（基础理论研究、船舶结构物设计、船舶性能研究、船舶结构动力学分析、造船技术、船舶材料、现代船舶设计与制造、水下航行器等）、海洋工程（海岸工程、港口航道、深海工程、海洋水文、海洋气象等）、船舶轮机工程、船舶电力与通信、船舶动力与机械、水声工程（水声材料研究、水下通信技术、水下声设备与仪器研究、水声探测技术等）、船舶经济学等。为进一步促进船舶与海洋工程诸领域研究的学术交流，让作者更方便地投稿和跟踪审稿进度，让编委和审稿人更轻松管理审稿任务和决策，采用汤森路透ScholarOne Manuscripts在线投审稿平台。 汤森路透是全球领先的专业信息和在线工作流平台提供商，是科学引文索引（SCI）的 出版者。《Journal of Marine Science and Application》基于ScholarOne Manuscripts 的投审稿平台现已正式开通请访问 如需查询原投稿系统中已投稿件的状态，请登录 或电话咨询0451-82589211，给您带来的不便我们深感歉意！
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    Structural Design and Parameter Analysis of Ship Inlet Distortion Simulation Boards

    Zhongyi WangChenxin HeYonglei Qu
    137-147页
    查看更多>>摘要：Significant aerodynamic engine instability can occur during the operation of marine gas turbines as airflow enters the compressor through a 90° turning and causes inlet distortion.This study adopts the method of simulating board equivalence to provide the target distortion flow field for ship compressors.The characteristics of the flow field behind the simulated board are obtained through experiments and numerical simulations,through which the relationship between the height of the simulated board and the total pressure distortion is elucidated.Subsequently,the study summarizes the prediction formula to achieve a distortion prediction of 0.8%-7.8%.In addition,this work analyzes the effects of drilling methods and diameters on flow nonuniformity by drilling holes into the simulation board.The results indicate that drilling holes on the board can weaken the nonuniformity of the flow field within a certain range and change the distribution pattern of total pressure in the cross-section.Furthermore,the total pressure distortion no longer changes significantly when the number of holes is too large.The proposed double simulation board structure is capable of obtaining the following two types of distorted flow fields:symmetrical dual low-pressure zones and low-pressure zones with high distortion intensity at the compressor inlet.The distortion equivalent simulation method proposed in this work can obtain various types of distortion spectra,thereby meeting the distortion parameter requirements for the anti-distortion testing of marine engines.
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    Workspace Analysis of a Floating Multi-Robot Coordinated Lifting System

    Cheng SuXiangtang ZhaoZengzhen YanZhigang Zhao...
    148-159页
    查看更多>>摘要：At present,the cranes used at sea have several shortcomings in terms of flexibility,efficiency,and safety.Therefore,a floating multi-robot coordinated lifting system is proposed to fulfill the offshore lifting requirements.First,the structure of the lifting system is established according to the lifting task,the kinematic model of the system is developed by using the D-H coordinate transformation,and the dynamic model is developed based on rigid-body dynamics and hydrodynamics.Then,the static and dynamic workspace of the lifting system are analyzed,and the solving steps of the workspace are given by using the Monte-Carlo method.The effect of the load mass and the maximum allowable tension of the cable on the workspace is examined by simulation.Results show that the lifting system has limited carrying capacity and a data reference for selecting the structural parameters by analyzing the factors affecting the workspace.Findings provide a basis for further research on the optimal design of structural parameters and the determination of safe configurations of the lifting system.
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    Dynamic Analysis of a Symmetrically Moored Semisubmersible Under Various Possible Mooring Combinations

    Syed Azeem UddinMohd Tousif
    160-181页
    查看更多>>摘要：In this technologically advancing world,the demand for more energy,oil and gas production is rapidly escalating.To accomplish this,people have inclined more towards completely floating offshore structures,deployed in deep waters.A semi-submersible is selected in the present study,due to its better response characteristics and stability under harsh environmental conditions.The semi-submersible is position restrain with spread mooring lines incorporated with submerged buoy at different locations has been studied.A detailed numerical analysis is carried out using Ansys Aqwa for dynamic response analysis of semi-submersible under the combination of wind,wave,and current forces for 0°,45°,and 90° directions.It was observed that damping ratios and natural periods had been affected based on the position and number of submerged buoys in the mooring system.Also,reduction in mooring force after incorporating buoy in the mooring lines was observed.Subsequently,a Matlab code based on the S-N curve approach was generated and employed to investigate the fatigue damage of mooring lines under dynamic variation of mooring forces.When pegged with submerged buoys,fatigue life of mooring lines is increased under intact and postulated damaged mooring conditions.Moreover,coupling of motion responses of semi-submersible is observed,and unbounded response is not seen in any degrees-of-freedom,even during damaged condition of mooring lines.
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    Postulated Tendon Failure of Offshore Triceratops

    Srinivasan ChandrasekaranGanta Shanmukha Rao
    182-200页
    查看更多>>摘要：Offshore triceratops is one of the successful manifestations of the form-dominant design approaches deployable in ultra-deepwater oil and gas exploration.The deck's geometric shape and partial isolation from the legs counteract lateral loads.Legs are position-restrained to the sea bed by taut-moored tendons,while ball joints partially isolate the deck from the buoyant legs.However,compliance in the horizontal plane imposes large displacements,intuiting the necessity to examine tendon failure.Numerical analysis of triceratops under wave and wind combined action is carried out under the postulated conditions of a tendon failure.10-yr,100-yr,and 1 000-yr post-Katrina hurricane conditions are assumed as loading to the platform.Results confirm a marginal increase in the natural periods of stiff degrees of freedom even under postulated failure conditions,ensuring good adaptability to ultra-deep water.Under postulated failure,the tension of adjacent tendons varies significantly,causing a shift to the mean position of the platform.Fatigue life is significantly reduced under the postulated failure of tendons,making the platform free-floating without affecting its stability.Results also show that the pitch response of the deck is a clear manifestation of the postulated failure,which is otherwise absent due to the presence of ball joints.The attempted study deliberates on the fatigue life of tendons,assessing the platform's suitability to ultra-deep waters and identifying the vulnerable legs for the chosen load combinations.
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    Influence of Elastic Modulus on the Dynamic Response of Polyester Mooring Under a Large Axial Stretch

    Zizhao ZhangFafu ZhangZhuang KangLiping Sun...
    201-208页
    查看更多>>摘要：Owing to the particularity of a polyester fiber material,the polyester mooring undergoes large axial tensile deformation over long-term use.Large axial tensile deformation significantly impacts the dynamic response of the mooring system.In addition,the degrees of large axial tension caused by different elastic moduli are also different,and the force on the mooring line is also different.Therefore,it is of great significance to study the influence of elastic modulus on the dynamic results of the mooring systems under large axial tension.Conventional numerical software fails to consider the axial tension deformation of the mooring.Based on the theory of slender rods,this paper derives the formula for large axial tension using the method of overall coordinates and overall slope coordinates and provides the calculation programs.Considering a polyester mooring system as an example,the calculation program and numerical software are used to calculate and compare the static and dynamic analyses to verify the reliability of the calculation program.To make the force change of the mooring obvious,the elastic moduli of three different orders of magnitude are compared and analyzed,and the dynamic response results after large axial tension are compared.This study concludes that the change in the elastic modulus of the polyester mooring changes the result of the vertex tension by generating an axial tension.The smaller the elastic modulus,the larger the forced oscillation motion amplitude of the top point of the mooring line,the more obvious the axial tension phenomenon,and the smaller the force on the top of the polyester mooring.
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    New Approach for Environmental Load Charts of Jack-ups Considering Actual Preloading Operations

    Chengmeng SunHaihua LinZhigang ZhangHongyuan Sun...
    209-221页
    查看更多>>摘要：The environmental load chart is an important technical support required for the jack-up drilling platform to facilitate its adaptation to different operating waters and ensure the safety of operation.This chart is a crucial part of the platform operation manual.The chart data are closely related to external factors such as water depth,wind,wave,and current conditions of the working water,as well as to the structural characteristics of the platform itself and the number of variable loads.This study examines the platform state under extreme wind,wave,and current conditions during preloading.In addition,this study focuses on the difference between the ultimate reaction force of the pile leg during preloading and the reaction force of the pile leg without considering any environmental load before preloading.Furthermore,the relationship between the difference and the new reaction force of the pile leg caused by the combination of different environmental conditions is established to facilitate the construction of a new form of environmental load chart.The newly formed chart is flexible and simple;thus,it can be used to evaluate the environmental adaptability of the platform in the target well location and provides the preloading target demand or variable load limit according to the given environmental constraints.Moreover,the platform can perform personalized preloading operations,thereby improving its capability to cope with complex geological conditions,such as reducing punch-through risks.This condition reduces the load on jacking system devices and increases its service life.
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    A New Method for Denoising Underwater Acoustic Signals Based on EEMD,Correlation Coefficient,Permutation Entropy,and Wavelet Threshold Denoising

    Yuyan ZhangZhixia YangXiaoli DuXiaoyuan Luo...
    222-237页
    查看更多>>摘要：The complexities of the marine environment and the unique characteristics of underwater channels pose challenges in obtaining reliable signals underwater,necessitating the filtration of underwater acoustic noise.Herein,an underwater acoustic signal denoising method based on ensemble empirical mode decomposition(EEMD),correlation coefficient(CC),permutation entropy(PE),and wavelet threshold denoising(WTD)is proposed.Furthermore,simulation experiments are conducted using simulated and real underwater acoustic data.The experimental results reveal that the proposed denoising method outperforms other previous methods in terms of signal-to-noise ratio,root mean square error,and CC.The proposed method eliminates noise and retains valuable information in the signal.
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    Iterative Sequence Detection Combined with Channel Shortening and Sphere Decoding in Underwater Acoustic Communications

    Fengzhong QuHao FangXingbin TuYan Wei...
    238-246页
    查看更多>>摘要：The demand for high-data-rate underwater acoustic communications(UACs)in marine development is increasing;however,severe multipaths make demodulation a challenge.The decision feedback equalizer(DFE)is one of the most popular equalizers in UAC;however,it is not the optimal algorithm.Although maximum likelihood sequence estimation(MLSE)is the optimal algorithm,its complexity increases exponentially with the number of channel taps,making it challenging to apply to UAC.Therefore,this paper proposes a complexity-reduced MLSE to improve the bit error rate(BER)performance in multipath channels.In the proposed algorithm,the original channel is first shortened using a channel-shortening method,and several dominant channel taps are selected for MLSE.Subsequently,sphere decoding(SD)is performed in the following MLSE.Iterations are applied to eliminate inter-symbol interference caused by weak channel taps.The simulation and sea experiment demonstrate the superiority of the proposed algorithm.The simulation results show that channel shortening combined with SD can drastically reduce computational complexity,and iterative SD performs better than DFE based on recursive least squares(RLS-DFE),DFE based on improved proportionate normalized least mean squares(IPNLMS-DFE),and channel estimation-based DFE(CE-DFE).Moreover,the sea experimental results at Zhairuoshan Island in Zhoushan show that the proposed receiver scheme has improved BER performance over RLS-DFE,IPNLMS-DFE,and CE-DFE.Compared with the RLS-DFE,the BER,after five iterations,is reduced from 0.007 6 to 0.003 7 in the 8-12 kHz band and from 0.151 6 to 0.114 5 in the 13-17 kHz band at a distance of 2 000 m.Thus,the proposed algorithm makes it possible to apply MLSE in UAC in practical scenarios.
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