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水动力干扰
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  hydrodynamic interactions
     Research on motion control of AUV with hydrodynamic interactions near plane wall
     近壁面水动力干扰下的AUV运动控制研究
短句来源
     Numerical and experimental research was performed on two-dimensional Rankine oval-wall hydrodynamic interactions using a simplified algorithm based on surface source and middle camber vortex distribution.
     对壁面附近二维Rankine体的水动力干扰现象进行数值计算和试验研究,基于物面源汇和中弧线上的线性涡分布,提出一种简化数值算法.
短句来源
     Besides recovery, other cases of motion of AUV near the plane wall, the problem of hydrodynamic interactions must be solved.
     除回收过程外,AUV在平壁面附近运动的其它种种情况,都不可回避地需要解决水动力干扰问题。
短句来源
     Numerical Simulation of Hydrodynamic Interactions on a Body Moving Near Wall in Viscous Flows
     物体近壁运动水动力干扰数值模拟
短句来源
     Many theories and numerical calculations about hydrodynamic interactions are presented currently.
     对水动力干扰问题的研究,现已有很多理论和数值计算方法。
短句来源
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  hydrodynamic interaction
     HYDRODYNAMIC INTERACTION BETWEEN HULL,PROPELLER AND RUDDER OF HIGH SPEED TWIN-SCREW,TWIN-RUDDER SHIPS
     高速双桨双舵船的船-桨-舵之间的水动力干扰
短句来源
     Experiment on Hydrodynamic Interaction Between 2D Oval and Wall
     二维扁卵形体近壁面水动力干扰实验(英文)
短句来源
     Hydrodynamic Interaction of One Propeller and Double Rudders
     单桨双舵的水动力干扰研究
短句来源
  hydrodynamic interference
     HYDRODYNAMIC INTERFERENCE ON ANTIROOL FINS DUE TO BILGE KEEL
     鳍与舭龙骨的水动力干扰
短句来源
     Compared with the case of single isolated cylinder, hydrodynamic interference phenomena, such as wave resonance etc, of the diffraction problem due to multiple cylinders are identified, which is important to the design of moorings and other facilities involving multiple structures.
     与单个剖面的情况相比,数值结果证实了多个剖面引起的绕射问题会产生诸如水波共振等水动力干扰现象,这对于多体结构的锚泊系统和其它海洋工程设备的设计是很重要的。
短句来源
     The results show that the present method can satisfactorily predict the motion response characteristic for high-speed displacement catamarans, but the strip theory cannot give rational result, because hydrodynamic interference phenomena would happen at some discrete frequencies when applying the strip theory to the calculation of hydrodynamic coefficients of multiple cylinders.
     比较结果表明,高速细长体理论的预报结果与试验结果相当接近,而切片理论运用于双体船时,由于受到纯二维假定的限制,在某些离散频率出现水动力干扰现象,导致运动预报偏离试验结果。
短句来源
  “水动力干扰”译为未确定词的双语例句
     The paper perfect the control system of back fins and optimizes the four fins control system .
     优化后的两对鳍系统的减摇效果与前后的水动力干扰无关,只取决于系统的控制策略,这进一步提高了系统减摇效果。
短句来源
     To improve the precision of the system,high sampling and processing speed is needed. So the sonar array attitude stabilization system is real-time and must respond quikly .
     猎雷声纳基阵姿态稳定系统的工作环境非常恶劣,工作时,基阵受水动力干扰多,要提高系统的精度就必须要求很高的采样和处理速度,因此系统要求响应快,实时性很高。
短句来源
     Base on the research for hydrodynamic, anti-rolling mode of the system.
     本文在对两对鳍的减摇模型、水动力干扰以及系统结构进行充分研究基础上,通过改进后鳍控制系统,实现两对鳍系统的控制优化设计。
短句来源
     At present, there is lack of understanding about that how to change of the hydrodynamic forces on a body moving near wall in water.
     目前,人们对于水下物体在壁面附近运动时,物体受到的水动力干扰究竟如何变化还缺乏了解。
短句来源
     In order to verify the present3D method,two circular cylinders ' interactions in finite depth of water were considered and results ob-tained with our code were compared with published results.
     为了验证该理论以及算法的可行性,计算了有限水深中两圆柱的水动力干扰,其数值计算结果与其他理论结果吻合较好。
短句来源
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  hydrodynamic interactions
The effect of system polydispersity and the magnetodipole and hydrodynamic interactions between particles on the macroscopic and dynamic properties of ferrofluids was estimated.
      
We also estimate how the magnetodipole and hydrodynamic interactions of the particles influence the effective dynamic properties of the ferrocolloid.
      
The tendency of the screening of hydrodynamic interactions is demonstrated on the concentration dependence of the bead mean-square displacement and the DSF.
      
We study the lattice dynamics of colloidal crystals on the assumption that the potential interactions are limited to nearest neighbors and next nearest neighbors and that the long range hydrodynamic interactions may be treated in point approximation.
      
The dynamic scattering factorS(k,t) for simple ring polymers and linear chains in the presence of hydrodynamic interactions is calculated toO(ε) (ε≡4-d, d being the spatial dimensionality) and toO(k4) (k being the external momentum).
      
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  hydrodynamic interaction
The combined influence of hard sphere or electrostatic potential and solvent-mediated hydrodynamic interaction on the short-time dynamics of monodisperse suspensions is investigated in detail.
      
Hydrodynamic Interaction of Two Evaporating Droplets
      
Of the greatest interest is the sharp slowing of the approach due to the hydrodynamic interaction of the drops, considerably sharper than in the case of molecular diffusion [2].
      
The obtained macroscopic equations of the pseudogas are more general than the ones proposed earlier by Myasnikov, this being due to the anisotropy of the time constants which occur in the operator of the hydrodynamic interaction.
      
The layer has an inhomogeneous vertical distribution of the dispersed phase and a small volume concentration of the particles, the hydrodynamic interaction between which occurs solely through the carrier phase.
      
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In this paper, the second order steady drift force on ships and floating off- shore structures are calculated by far field method. The amplitudes of radiation and diffraction at infinitive are obtained by source distribution method. For twin hulls, the interaction between the two hulls is taken into account. The drift forces on cross section of Lewis type and semisubmersibles are computed by the authors and agree fairly well with experimental results.

应用远场方法计算了作用在船舶及离岸结构物上的二阶稳态横漂力。用源汇分布 法计算浮体运动在无穷远处产生的辐射波及绕射波波幅。对于双体船剖面,公式中计 入了双体之间的水动力干扰效应。对Lewis型船体剖面及两艘半潜式平台进行了计 算,计算结果与试验结果的吻合程度是令人满意的。

Based on the results of oblique towing tests of five models and rotating arm tests of one model, the hydrodynamic interaction between hull, propeller and rudder of high speed twin-screw,twin rudder ships with transom stern is obtained. By analyzing the relation of interaction coefficients with the drift angles, yawing velocities and ship principal dimensions, the formulas for calculating the hydrodynamic interaction of the ship are established.

本文根据5艘船模斜拖试验结果和其中1艘船模旋臂试验结果确定的船—桨—舵干扰系数,分析了漂角、首摇角速度和船体主尺度与干扰系数的关系,建立了高速双桨双舵船的船、桨、舵水动力干扰的计算公式。

This paper presents an investigation of the hydrodynamic forces and the dynamic responses induced bydivergent radiated and scattering waves between a set of large sized circular cylinders and the fluid surrounding them and the soil into which the cylinders inserted. A mathematical model for the prediction of the hydrodynamic forces and the dynamic responses has been proposed by the authors such that not only the interaction between the structure and the fiuid, but also the hydrodynamic interferences one to another...

This paper presents an investigation of the hydrodynamic forces and the dynamic responses induced bydivergent radiated and scattering waves between a set of large sized circular cylinders and the fluid surrounding them and the soil into which the cylinders inserted. A mathematical model for the prediction of the hydrodynamic forces and the dynamic responses has been proposed by the authors such that not only the interaction between the structure and the fiuid, but also the hydrodynamic interferences one to another between the cylinders and the interactions with the soil deposit for the case of horizontal sea-floor ground motion.The influences due to these aformentioned interactions in the structure-fluid-soil system on the determination of wave loading are analyzed one by one separately. The complex frequency function of the system is derived semianalytically. This solution procedure can be conveniently extended to a stochastic analysis in the frequency domain of the dynamic response of these types of offshore structures.The conclusions reached indicate that the wave loading on the structure due to interaction is affected distinctly near the water surface and around the excitation frequency of earthquake (and wave )when it is coincident with any of the nature frequencies of the system.

本文研究在海床作水平运动情况下,多个大尺度弹性柱体由于辐射波所引起的水动力荷载及其动力响应。该体系的数学模型考虑了结构与流体的相互作用,同时也考虑了柱体相互之间的水动力干扰作用,以及柱体与地基之间的相互作用。文中逐个分析了上述几种相互作用对水动力荷载的影响。其结果表明,在自由表面处以及当地震激励频率与体系自振频率接近时,各种相互作用对水动力荷载有明显的影响。

 
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