应用力学

Applying the theories of thermodynamics and mechanics, the working process of basicAPE--single-stage expansion, is analyzed and its related mathematicmodel is built up. The simulation methods based on this model are discussed, which is the preparation for the later research work.Chapter 3: The working characteristics of the single-stage expansion engine are researched on by the simulation.

运用热力学和力学理论对最基础的气动发动机——单级膨胀气动发动机的工作过程进行了研究分析，建立了相应的数学模型，讨论了应用该模型对气动发动机进行理论分析的仿真计算方法，浙江大学博士学位论文：气动发动机探索性研究为后续理论研究打下基础。

The results showed that the material with 5% content of carbon black could meet the requirement of the performance of motor blower fan material as the surface resistance reaching 1×108Ω.

结果表明，炭黑的质量分数为5%时，材料表面电阻率为108Ω数量级，力学性能优良，达到电机用塑料风叶材料的指标要求，并可应用于其它对抗静电性能要求较高的场合，用于制造某些结构件。

Combined hourglass control in analysis of cold ring rolling process;2. Recent status and development of real-time measurement and online control technology in cold ring rolling ;3. The influence law of feed rate of idle roll on the quality of end face of ring,axial width spread ratio,roll force,roll moment and metal flow characteristic in cold ring rolling process has been explored through the FEM numerical simulation of the ring with rectangular cross-section based on the elastic-plastic dynamic explicit FEM under the Abaqus software environment.

基于Abaqus/Explicit提供的显式动力学有限元算法，对矩形截面环件冷辗扩进行了有限元数值模拟，揭示了芯辊进给速度对环件冷辗扩过程中环件端面质量、轴向宽展率、辗扩力、辗扩力矩以及金属流动特性的影响规律，并从金属塑性成形原理和塑性加工力学等角度对这些规律进行了合理的解释，从而获得了进给速度对冷辗扩成形的影响规律，为环件冷辗扩在实际应用中进给速度的选择提供了依据，对揭示冷辗扩成形机理也具有十分重要的意义。

The influence law of feed rate of idle roll on the quality of end face of ring,axial width spread ratio,roll force,roll moment and metal flow characteristic in cold ring rolling process has been explored through the FEM numerical simulation of the ring with rectangular cross-section based on the elastic-plastic dynamic explicit FEM under the Abaqus software environment.

基于Abaqus/Explicit提供的显式动力学有限元算法，对矩形截面环件冷辗扩进行了有限元数值模拟，揭示了芯辊进给速度对环件冷辗扩过程中环件端面质量、轴向宽展率、辗扩力、辗扩力矩以及金属流动特性的影响规律，并从金属塑性成形原理和塑性加工力学等角度对这些规律进行了合理的解释，从而获得了进给速度对冷辗扩成形的影响规律，为环件冷辗扩在实际应用中进给速度的选择提供了依据，对揭示冷辗扩成形机理也具有十分重要的意义。

By the studying of the course, the students should understand the relationship of structures and properties of polymeric composite materials, preparation technology, investigation method, structure morphologies, mechanical properties and application of polymeric composite materials. The students should have basic knowledge on polymer materials and filler, fiber for polymeric composites material preparation..

通过本课程的学习，使学生理解填料填充、玻璃纤维增强高性能聚合物基复合材料的结构与性能的关系；了解聚合物基复合材料的制备方法、研究方法、结构形态、力学性能以及制备聚合物基复合材料的高分子材料和填料、纤维等基本知识和应用。

Fish-bellied cable truss of point supported glazing has been widely used for the characters of lightness and transparency. And commonly it is systematically supported, when additional support is added, the structure is turned from symmetrical support into unsymmetrical support, the mechanical performance will be changed greatly because of its weak ability to resist unsymmetrical deformation, and more discussion will be needed.

点支式玻璃幕墙鱼腹式索桁架结构由于其轻盈、通透的特点得到了广泛的应用，其一般都是对称支承布置，当结构由对称支承变为非对称支承时，由于其抵抗不对称变形的能力较弱，结构的力学性能会发生较大的改变，需要作进一步的探讨。

Abstract］ Objective To elucidate the biomechanical foundation of corner lock plate.

摘要］ 目的对采用成角锁定钢板治疗肱骨干骨折的生物力学性能进行实验研究，为临床应用提供可靠的理论依据。

Based on the pavement structure three-dimensional model through finite-element calculation software, the representative full-depth asphalt pavement and asphalt pavement with semi-rigid base are analyzed in the aspect of mechanical response under the action of vehicle load.

通过选用具有代表性的全厚式沥青路面和半刚性基层沥青路面，利用ANSYS有限元计算软件，建立路面结构三维模型对路面在车辆荷载作用下的力学响应进行分析，可知全厚式沥青路面在抗疲劳损坏和永久变形方面都较半刚性基层沥青路面略胜一筹，且寿命更长，因而具有广阔的应用前景。

Then,this thesis establish kinetic and dynamic model of grab bucket driving system by through Second Lagrange equations in analytic mechanics.

然后，应用分析力学中的第二类拉格朗日方程，建立抓斗驱动系统的动态数学模型。

Proved by the results predicted from this model compared with experimental data for two different hardnesses of rubber materials at various strain rates, this constitutive model can accurately characterize the dynamic behaviour of the vibration isolation rubber used in engineering.

通过广应变率下两种橡胶材料动态响应的模型预测结果与试验数据对比，证实了该本构模型可以准确地描述隔振橡胶在实际工程应用环境下的动态力学行为。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。