Dynamic Responses of Supercavitating Vehicles under Non-stationary Random Excitation

机译：超静态空载车辆在非平稳随机激励下的动力响应

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When the front end of the supercavitating vehicles subjects to very large axial non-stationary random excitation at high speed motion under water,it is necessary to analyze dynamic responses of supercavitating vehicles under non-stationary random excitation.The dynamical equation of supercavitating vehicles is transformed into the form of state equations.The Simpson integration method is going to calculate the integral term of the general solution of state equation to improve the precise integration method.The explicit expression of dynamic responses of supercavitating vehicles is deduced,the means and variances of structural responses are calculated with operation laws of the first moment and second moment.Under different sailing speeds and different cone-cavitator angles dynamic responses of supercavitating vehicles are given by the examples,and the effectiveness of the method was demonstrated.

机译：当超级扫描车辆的前端以水下的高速运动进行非常大的轴向非平稳随机激发，有必要在非平稳随机励磁下分析超级挖掘车辆的动态响应。改变超级渗透车辆的动态方程进入状态方程的形式。辛普森积分方法将计算状态方程一般解的整体项，以提高精确的集成方法。推导出超级渗透车辆的动态响应的明确表达，结构的手段和方差用第一时刻的操作规律和第二时刻计算响应。在不同的帆船速度和不同的锥形空穴角度的情况下，通过实施例给出了超级渗透车辆的动态响应，并证明了该方法的有效性。

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《International conference on manufacturing engineering and automation》|2012年|1934-1937|共4页
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Xiang Hua Song; Guang Ping Zou; Wei Guang An;
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中图分类自动生产作业线;铸造;
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Supercavitating vehicles; Non-stationary random excitation; Simpson integration method; Precise integration method; Dynamic responses;

机译：超空泡车辆;非平稳随机激励;辛普森积分法;精密积分法;动态响应;

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Dynamic Responses of Supercavitating Vehicles under Non-stationary Random Excitation

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