应用力学

The ideas and methods of modern differential geometry have found wide application in classical mechanics, in the theory of multibody system dynamics, and in the Lagrangian and Hamiltonian formalisms of mechanics.

微分几何动力学建模理论已经广泛应用于经典力学，多刚体动力学理论和Lagrange和Hamilton动力学建模理论当中。

This paper analyses and calculates the plow parameters about two kinds of high speed plows LEMKEN and KUHN, and studys the relation between the geometric parameters of shape of moldboard plow surface and soil properties, plowing quality, forces properties, plowing speed, resistance and energy dissipation during the plowing. Then according to the direction of developing high efficiency and saving-energy agriculture, under the premise of good farming quality this article puts forward a kind of method setting the mathematics model about plow resistance through the new cultivation principle and the new design principle.

本文通过对比分析的手段对LEMKEN和KUHN两种高速犁参数两种犁体曲面参数进行量化分析计算，分析犁体曲面形状的几何参数与耕后质量、土壤的力学特性、耕速、阻力和功率消耗等相关关系，结合目前高效节能型农业的发展方向，提出在保证作业质量的前提下，应用新型耕作理论和新型设计理论建立牵引阻力数学模型。

Topics covered include quantum chemistry, molecular mechanics, force fields, chemical education, and applications in academic and industrial settings.

包括的题目包括量子化学，分子力学，力量领域，化学教育和在学术性和工业底座里的应用。

Xi ′ an Jiaotong University, Xi ′ an 710049, ChinaAbstract : Impact damper systems are usually rated mechanically on the basis of their movability in the horizontal direction.

冲击减振系统的研究已有许多理论成果和应用实例，但大多是基于活动质量作水平运动的力学模型而进行的。

Karim Chatti%KYONG K Y Dynamic analysis of multi-layered pavement system under moving load SAE 952634 , 1995,null

成祥生 弹性地基板由运动载荷引起的动力反应应用数学和力学， 1987，4

This paper gives a review of the modern developments of the Newtonian theory of gravity, i.e.the post Newtonian mechanics or metric theory.

本文综述了牛顿重力理论的近代发展，即后牛顿力学或度规理论，並简述了它的现代应用成果。

Research on the behavior of FGM structures not only benefits the development of mechanics of nonhomogeneous materials, but also satisfies the needs of practice.

对FGM结构力学行为的研究，既有丰富非均匀材料力学的需要，也有实际工程应用的需要。

With the development of computer technology and computational mechanics, more and more numerical value computation methods are used on vehicle crash analysis.

随着计算机技术和计算力学在车辆安全领域的应用和发展，越来越多的采用数值计算的方法来处理碰撞问题。

This paper presents the investigation of numerical stability and error estimate of SFBEM in elastic plane problems. Several conclusions regarding the above issues are obtained in this paper, which lays a solid foundation for its practical application.

本文主要针对弹性力学平面问题样条虚边界元法在数值稳定性与误差估计方面的问题展开讨论，获得了虚边界的布设规律及方法误差的直观度量，为该法的实际应用打下了更好的基础。

Both problems are popular topics in the field of orbit support for space mission.

本文是有关航天工程预研课题中的一部分，以航天器轨道力学为基础，结合一些具体的航天应用背景，对天地基联合定轨方法和月球探测器轨道支持这两个目前航天任务轨道支持的热点问题作了相应的分析和研究。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。