本文给出了在大风浪中船舶避免发生横向谐摇的图谱、表册和计算机程序。
This paper provides new graphs, tables and computer programs for avoiding ship synchronous rolling during stormy weather.
重力场计算中,经常需要计算以有限阶球谐级数表示的重力场元。
There are many gravity quantities expressed by finite spherical harmonic series expansions in the computing for geopotential.
给出快速计算卫星球谐摄动和地球引力系数递推关系式的一个新方法。
A new method of fast computing the spherical harmonic perturbation on satellites and the recurrence relations of the coefficients of the Earth's gravity are given.
利用360阶的EGM96地球重力场球谐系数计算了不同深度球层的密度异常及不同深度球层的构造应力。
According to spherical harmonic coefficients of 360 orders of EGM96 Earth's gravity field model, density anomaly and tectonic stress in different depth of crust have been calculated.
计算分析了FPS系统在简谐激励作用下的稳定性及恢复力特性。
The features of vibration stability and restoring forces of FPS under harmonic excitations are analyzed.
然后模拟了二维矩形液箱做简谐横摇运动引起的液体受迫晃荡,计算结果以箱壁不同高度处的压强时间历经给出,并与实验结果进行了定量比较。
Then, the forced sloshing in a two-dimensional rectangle box is simulated, and the time course of pressure at different height of the wall was gotten and compared with that of experimental result.
计算了简谐激励下的响应,并与实测的结果进行了比较分析。
Theresponse under harmonic excitation is computed and compared with the test result.
给出时谐电磁场矢量的积分关系式,探讨了辐射场的有效源,并应用于几个实例的计算。
The integral relationships of time-harmonic electromagnetic field vector are given, the effective sours of radiative fields is Studied, then some examples are calculated.
本文分析了内燃机曲柄连杆机构往复运动件的高谐次运动对轴系惯量变化和固有频率的影响,并对一多缸机轴系进行了扭振计算。
The effects of high order motions of reciprocating parts on the variation of inertias and natural frequencies of crankshaft system are discussed in this paper.
对整车模型进行发动机激励下的单位位移谐响应分析,根据谐响应计算结果,对发动机激励下的整车结构动态性能进行了分析和了解;
Also, harmonic analysis of the whole structure of the bus under excitation of engine was carried out, and through the results the dynamic performance of the bus excited by engine vibration was known.
文中对刚性的动力基础,在简谐荷载的作用下,对于不同频率、不同压缩层厚度和基础埋深等动力响应进行了计算与探讨。
The forced harmonic load response of the stiff vibration foundation is studied for different frequencies, layer depths and foundation embedments.
建立了包括内燃机气缸内工作过程数值计算和动力学计算在内计算激励谐值的数学模型。
A mathematical model which includes engine cycle simulation and dynamic calculation is developed for computation of excitation harmonics.
本文提出一种关于自由空间三维导电导磁体在谐变磁偶极场中电磁响应的数值计算方法。
This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.
本文提出一种关于自由空间三维导电导磁体在谐变磁偶极场中电磁响应的数值计算方法。
This paper presents a digital method to calculate the EM response of a three-dimen-tional conducting permeable body which is subjected to an alternating magnetic dipole field in free space.
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