分析动力学

Based on the food chain relationship between nutrition, autotrophy and detritus biomass, considering the complementarity of the nutrition which is caused by the animalcule decomposition of the propagation reliquiae, as well as its losing caused by physical therapies, we set up a model of zoology dynamics about the reciprocity of nutrition-autotrophy-detritus biomass, and analyze the dynamical stability of the model solution by using modern nonlinear theory.

基于营养盐、赤潮藻类、碎屑的生物量之间的食物链关系，考虑到由于海洋内微生物分解动植物遗体对营养盐的补充以及物理因素导致的流失，建立了营养盐－赤潮藻类－碎屑的生物量相互作用的耦合生态动力学模型。运用现代非线性动力学理论，对模型解的动力学稳定性进行了分析。

This paper analyzed conveyor belt dynamic propertie s which would influence the results of dynamic design of belt conveyor,common dyn amic model was introduced,and the rule about how to choose dynamic model when de sign was put forward.

文摘：对影响带式输送机动态设计结果的输送带的动力学特性进行了分析，介绍了常见输送带的动力学模型，并指出在带式输送机动态设计中输送带动力学模型的选取原则。

According to elastodynamics theory, the dynamic model of machining the slender rod is founded by axial turn -milling, the calculation formula of the natural frequencies and the main vibration mode are ob- tained, and the dynamic response of the slender rod forced vibration is studied under simple harmonic excitation.

根据弹性体动力学理论，建立轴向车铣细长杆的动力学模型，得到了各阶固有频率和主振型的计算公式，分析了在简谐激励下细长杆强迫振动的动力学响应。

A motion reference coordinate system of this quadruped robot and its simplified-structure of the multi-rigid body dynamics model are established. After kinematic and dynamic analysis, the kinematic equation, inverse kinematic equation and Jacobi matrix of the quadruped robot are presented, and the second kind of Lagrange dynamic equation group for simplified-structure of the quadruped robots multi-rigid body system is educed.

建立了该机器人的运动坐标体系，及其等效简化结构的多刚体动力学模型，对上述模型进行了运动学和动力学分析，给出了该机器人的运动学、逆运动学方程和雅可比矩阵，并导出了其简化结构多刚体系统的第二类Lagrange动力学方程组。

In this dissertation, dynamic problems of 6-RTRT parallel robot including modeling of dynamics, analysis of velocity and acceleration, establishment of Lagrangian dynamic equation, computation of inertia force and driving torque are analyzed using influence coefficient method.

本文用运动影响系数法对6-RTRT并联机器人进行了动力学研究，完成了动力学建模，分析了速度和加速度，建立了拉格朗日动力学方程，并完成了惯性力和驱动力矩的计算。

Based on the modem FEM with the dynamic substructure method, itd dynamic equation is established with almost no limits to DOFs of the system, in which the left side is the first approach of the nonlinear system and the right side is the excitation and coupling nonlinear pseudo forces. The modal analysis method is used to get the eigen solution to the reduced linear homogeneous dynamic differential equation. When the system is excited by the harmonic excitation at the right side of the equation, the nonlinear dynamic response can be calculated by the numerical method to give quantitative analysis.

基于近代有限元和子结构模态综合法的动力学建模方法，获得非线性系统动力学微分方程，其自由度几乎没有限制，对左端首次近似齐次方程进行模态分析，选取对响应有贡献的部分本征对，同样对右端激励和非线性伪力作模态变换，得到减缩后非线性系统耦合动力学微分方程。

The kinetic process of hydride and its difference with that of gas-solid reacytion kinetics are described.

分析了Ti-V合金吸氢动力学的影响因素，金属氢化物动力学过程的特点及其与气-固反应动力学的区别。

It is seldom reseached the mechanism of highspeed and long-range. On the basis of detailed investigation on the Touzhai landslide, the author have expatiated on the environment condition, studied the moving characteristics of each stage, the laws of friction coefficient of the sliding surface in the set-out stage and the erodynamic effect in the short-range, analyzed the hydrokinetics mechanism of highspeed and long-range.

本文在去现场详细调查的基础上，阐述了头寨滑坡的环境条件，研究了头寨滑坡全程各个活动阶段的运动特征，通过试验研究了头寨滑坡启程活动阶段滑面高速摩擦的规律和近程活动阶段滑坡凌空飞行的空气动力学效应，从流体动力学的观点分析了头寨滑坡高速远程的流体动力学机理。

In this paper,according to the theory of multi body dynamics ,the multi body dynamics model of leaf spring is established.

文章从多体系统动力学的角度出发，建立了钢板弹簧的多体动力学模型，并应用机械系统动力学仿真软件ADAMS对其动特性进行了计算机仿真，仿真分析的结果与试验数据基本吻合，说明该仿真是成功

The analysis model of coupling crank bearing lubrication to system dynamical behavior is established in PRCS, and its numerical simulation is completed through OCAM.

考虑润滑在多体系统动力学行为中的作用，建立了活塞-连杆-曲轴系统的系统动力学行为与曲轴主轴承油膜动力润滑的耦合分析模型，并进行了数值仿真分析。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失