分析动力学

The article exoatiats on the reasons of hole deviation; analyses a great many of recent field application of deviation control , gains a nice bit of field experience and theory on deviation control .

本文阐述了井斜产生的原因；归纳分析了今年来国内井斜控制技术在现场应用情况；结合静力学防斜理论和动力学防斜理论，总结了大量井斜控制技术现场应用的工程经验和理论，对防斜钻井技术研究及防斜钻井实践有重要参考、指导意义。

The impact response of ACB under six different conditions is analyzed in the ANSYS/LSDYNA dynamic simulation environment.

最后，基于ANSYS/LS-DYNA动力学仿真环境，文章探讨了舰用断路器机构抗冲击响应仿真的思路和方法，分析了框架断路器在六种不同工况条件冲击载荷的作用下的抗冲击性能。

We explain the basic conception of the Lie group, Lie algebra and Riemannian manifolds in detail, deeply analyze and research the Special Euclidean Group SE(3) and se(3) in the Lie group, Lie algebra. Establish the relation between the adjoint transformation Adg and the operatorφ(k + 1,k) under a particular condition , substitute the operatorφ(k + 1,k)with spatial adjoint operator Ad kk ?

在多体系统动力学理论体系中，详细阐述了Lie群、Lie代数和Riemannian几何的基本概念，对Lie群、Lie代数中的特殊Euclidean群SE(3)和se(3)作深入分析与研究，建立Lie括号下的伴随变换Adg在特定条件下与空间算子代数理论中的空间变换算子φ(k + 1，k)之间的相互关系，并将空间伴随算子Ad kk ？

Specify what status the spatial operator algebra locates at in many methods of multibody systems dynamics formulations and what the relations are between the spatial operator algebra and other dynamics formulations.We explain the basic conception of the Lie group, Lie algebra and Riemannian manifolds in detail, deeply analyze and research the Special Euclidean Group SE(3) and se(3) in the Lie group, Lie algebra. Establish the relation between the adjoint transformation Adg and the operatorφ(k + 1,k) under a particular condition, substitute the operatorφ(k + 1,k)with spatial adjoint operator Ad kk ?

在多体系统动力学理论体系中，详细阐述了Lie群、Lie代数和Riemannian几何的基本概念，对Lie群、Lie代数中的特殊Euclidean群SE(3)和se(3)作深入分析与研究，建立Lie括号下的伴随变换Adg在特定条件下与空间算子代数理论中的空间变换算子φ(k + 1，k)之间的相互关系，并将空间伴随算子Ad kk ？

The adjoint variable method for design sensitivity analysis of multibody system dynamics based on ordinary differential equations is presented.

基于常微分方程数学模型建立了多体系统动力学设计灵敏度分析的伴随变量方法。

The simulated data could be of some value for further analysis of the automotive aerodynamic properties.

该仿真的数据对进一步进行汽车空气动力学分析具有一定的参考价值？

In the area lf aerodynamics,stress and structure analysis.

在空气动力学、应力和结构分析中使用。

The control of the aging condition, the transient liquid- solid separation of aging slurries, and the analysis of the particle size distribution of CTA and the micro concentration determination of the impurity 4- CBA.

粗对苯二甲酸的高温熟化是一个复杂过程，动力学实验研究的难点在于3个方面，即反应条件的控制，熟化浆料在高温高压下的液固瞬间分离取样与样品的分析测试。

In the explore in water seepage mechanism of highway engineering, at the foundation of author's and other people's research, the author study the groundwater seepage and infiltration of rain and water with the groundwater dynamics, the rock mechanics ,the soil mechanics, the hydrologic geology, the engineering geology, the agrology. With the research result of the water seepage mechanism of highway, the author also study the principle design of waterproof, drainage and water environmental protection. The author's work is as follows:(1) The water circulation, the groundwater type and conversion, the equilibrium and circulation in soil water are introduced and studied; The seepage characteristics of rock and soil in response to stress are analyzed and studied.

作为在"公路工程地质环境中水渗流机制问题研究"中的探索研究，在本人科研和前人研究工作的基础上，以地下水动力学、岩土力学、水文地质学、工程地质学、土壤学为基础，研究公路工程建设对地下水渗流和雨水入渗的影响，以及公路防排水和水环境保护设计的原则方法，具体开展了如下研究工作：(1)首先对水循环、地下水类型及转化、土壤水平衡与循环进行了研究和介绍；分析研究了应力对岩土体渗流特性产生影响的机理。

For being easier to conduct the dynamic analysis of an airborn radar antenna, using the mechanical property of the sandwich structure, an equivalent method is proposed.

庄苹为便于机载雷达天线的动力学分析，由夹层结构的力学特性，提出了用单层结构等效夹层结构的方法。

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