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Motion Analysis by Free-Running Model Test

机译:通过自由运行模型测试进行运动分析

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The scheme of motion analysis using the Free-running system isrnsuggested in this study. Gyropilot is carried out to control the bowrnangle. The thrust and circular frequency of propeller shaft is controlledrnto maintain the constant speed. Movement of a model ship in the tank isrnmeasured by using an optical tracking system. To analyze ship motionrnnumerically, added masses, damping coefficients and wave excitingrnforces are calculated by a 3-Dimensional panel method in terms ofrntranslating oscillatory Green functions in the frequency domain.rnEquations of motion considering the memory effect are numericallyrnsolved by Newmark-β method in the time domain.
机译:本研究建议使用自由运行系统进行运动分析的方案。进行Gyropilot来控制弓形角。控制螺旋桨轴的推力和圆周频率以保持恒定速度。通过使用光学跟踪系统来测量模型船在油箱中的运动。为了对船舶运动进行数值分析,利用3维面板方法根据频域中的振荡格林函数转换来计算附加质量,阻尼系数和波浪激励力。域。

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