弹性动力学

Based on the extended linearization method, the new position control system design of the robot is presented them.

详细本文研究了一类弹性机器人的动力学建模与控制这一机器人学领域的新课题。

In this paper, dynamic characteristic of machine gun system with composite tripod was analyzed.

本文以复合材料三脚架式弹性枪架为研究对象，分析了复合材料枪架机枪系统发射过程中的有关动力学问题。

A unified model is established to investigate dynamic interactions between major locomotives fypes and the track.

文中建立了主要类型的机车－轨道统一模型；导出了弹性及刚性轴悬式电机驱动机车动力学微分方程；采用新型。。。

Using the modified analytical embedded atom method, the physical properties of D03 type Fe3Al alloy, including the lattice constant, formation heat, elastic constants, phonon dispersion curves, density of states, molar heat capacity at constant volume, Debye temperature and thermal expansion, were calculated. The calculated results were compared with the experimental data and those obtained by others.

摘 要：应用改进分析型嵌入原子模型，系统地计算了D03 结构Fe3Al合金的晶格动力学性能，包括晶格常数、形成热、弹性常数、声子谱、态密度、摩尔定容热容、德拜温度和热膨胀系数等，并将计算结果与已有实验数据和其他理论计算结果进行了比较。

In 1987, Kane et al.〓investigated the dynamics of a cantilever beam in a non-inertial reference frame.

建模时如果不考虑这种因素的影响，将会导致错误的结论。1987年，Kane〓对非惯性系下的旋转弹性梁的动力学特性进行研究，指出在转速较大的情况下，按零次近似建模理论进行仿真计算会得到梁的挠度趋于发散失稳这样一个错误的结论。

This paper attempts to study the non-linear dynamics of cables.

本文对弹性斜拉索的非线性动力学进行了研究。

Some topics for future research, such as nonlinear dynamical behavior of moving strings, vibration of moving viscoelastic strings, control of hybrid systems containing moving strings and control of nonlinear oscillations of moving strings, are suggested.

最后指出该研究方向今后需要研究的若干重要问题，包括运动弦线的非线性动力学行为、黏弹性运动弦线的振动、含运动弦线的混杂系统的控制和轴向运动弦线非线性振动的控制。

The contents of this course include: the mathematical basis of FEM, the generic solution principles and expressions of elastic mechanics issue, the construction of element and its interpolation function, iso-parametric element and numerical integral, solution of linear equations, some practical issues of FEM modeling, brief introduction to typical commercial FEM packages, FEM for truss, plate blending and shell, and FEM for heat exchange and dynamics.

课程内容主要包括：有限单元法的数学基础、弹性力学问题有限单元法的一般原理和表达格式、单元和插值函数的构造、等参单元和数值积分、线性方程组解法、有限元建模的若干实际问题、典型商用有限元分析软件简介、杆件结构力学问题的有限单元法、平板弯曲问题的有限单元法、一般壳体问题的有限单元法、热传导问题的有限单元法、动力学问题的有限单元法等。

Water tunnel is an equipment of hydrodynamic experiment, which can be used for investigating boundary layers, characteristic of ship wake, onflow , hydrodynamic cavitaion response of liquid and some other useful phenomenon.

水洞是水动力学实验的一种设备，可用来研究边界层、尾流、湍流、空化、水弹性等现象，以及水流与试验物体之间的作用力。

An example of jarring in a vertical well is analyzed with the application of dynamics and plane wave propagation theories.

应用弹性波理论与动力学分析相结合的研究方法，对直井的修井作业过程进行了分析与计算。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。