查询词典 shock force

With the increase of temperature, the viscosity of shock absorber liquid drops and damping force decreases.

温度对阻尼力的影响程度主要由减震液的粘温特性决定，随着温度的升高，减震液粘度降低，液压阻尼力减小。

The GTS also gets exclusive sport-tuning of the spring rates and shock damping force.

在GTS还获得独家体育的春天率和冲击阻尼力调整。

Terran heroes had developed the skills and ability to force the enemy to launch hysteric shock.

人族英雄所发展的技巧与能力，能够对敌人部队发起狂烈的冲击。

In combination with sensitivity analysis, it is found that the main reason causing the fuse failure in bore is the lateral shock between the bourrelet and the bore surface. This shock produce huge lateral impulsive force and acceleration causing fuse mechanism plastic deformation and improper function. Besides, it may lead to fall-off in fuse safety.

造成引信瞎火的主要原因是由于弹丸在膛内运动期间，弹丸与身管内壁间的相互碰撞所产生的横向冲击加速度使引信保险机构产生多次重复振荡，使其产生局部塑性变形及破坏不能可靠解除保险所致；并可能导致引信膛内安全性下降。

McKittrick and some other flight surgeons sent a letter to Gen. Curtis LeMay, CO of the 3rd Air Division, Eighth Air Force, asking him to ease off before the crews broke from shell shock.

麦克凯特里克上尉与其他一些飞行医官合伙写了一封信，送交给第8航空队第3飞行师师长柯蒂斯·李梅将军，请求停止让因为弹震症而濒临崩溃的机组执行飞行。

Such as Tsinghua University Square, the blue Caribbean, Pearl era, the sun Sports City, to build the Olympic Park in the letter, the suburbs of the project represents a substantial proportion, and Utah to Pearl era, the sun and built sports city letter Olympic Garden biggest shock for the industry, people gathered to look to real estate — a new force in the outskirts of the project.

如清华大学广场，蓝色加勒比，珠江时代，太阳体育城，建设奥林匹克公园的信中，郊区的项目占很大比例，和犹他爵士队，以珍珠时代，太阳和建立体育城信奥林匹克花园最大冲击的行业，人们聚集在这里期待着房地产—一个新的力量在郊区的项目。

In this topic, the dynamic analysis methods for piezoelectric vibrator are studied systematically based on the theoretical model, FEM numerical experimentation and FEM governing equation for given compound-mode vibrator, and some valuable conclusions are obtained. The main work accomplished is summarized as follows: 1.Elaborate the main modeling methods for piezoelectric vibrator and the significance and necessity to study the dynamic characteristics of piezoelectric vibrator which emphasize the urgency of this paper. 2.Take the bending deformation induced by piezoelectric ceramic as example, the energy transfer mechanism of electric energy to mechanical energy are analyzed; the motion and force transfer mechanism are analyzed for the longitudinal-bending vibrator. 3.Based on mode assumption and Hamilton principle, the coupling model of piezoelectric vibrator of linear USM is built; moreover, the equivalent circuit model is obtained and a coupling equation represents the relation between electric parameters and mechanical parameters is derived which provides foundation to match the vibrator and driving circuit. 4.Combine the constitutive equation of piezoelectric ceramic with elastic-dynamical equation, geometric equation in force field and the Maxwell equation in electric field and the corresponding boundary condition equation, the FEM control equation for piezoelectric vibrator of USM to solve dynamic electro-mechanical coupling field is established by employing the principle of virtual displacement. The equation lays the foundation to study the non-linear constitutive equation of piezoelectric ceramic driven by high-power. 5.Define the dynamic indexes of characteristic of vibrator and carry out variable parameters simulation by calculating the model parameters and the electric characteristics of vibrator are simulated according to the equivalent circuit model. By numerical experimentation, the working mode of vibration of vibrator and the shock excitation results of the working frequency band which provides the mode frequency to realize bimodal are analyzed. Detailed calculation of the electro-mechanical coupling field parameters is made by programming the FEM control equation.

本课题从理论模型、有限元数值试验、有限元控制模型等方面以复合振动模式振子为例对超声电机压电振子的动力学特性及其分析方法进行了全面系统地研究，得出了许多有价值的结论，主要概括如下： 1、阐述了目前针对超声电机压电振子的主要建模方法，对压电振子动态特性的研究意义和必要性进行了论述，突出了本文研究内容的迫切性； 2、以压电陶瓷诱发弹性体发生弯曲变形为例，分析了压电陶瓷通过诱发应变来实现机电能量转换的机理；对基于纵弯模式的压电振子的运动及动力传递机理进行了分析； 3、基于模态假定，利用分析动力学的Hamilton原理，建立了面向直线超声电机压电振子的机电耦合动力学模型，并据此建立了压电振子的等效电路模型，导出了电参量与动力学特性参量的耦合方程，为压电振子与驱动电路的匹配提供了依据； 4、从压电陶瓷的本构方程出发，综合力场的弹性动力学方程、几何方程、电场的麦克斯韦方程以及相应的边界条件方程，采用虚位移原理，建立了压电振子动态问题机电耦合场求解的有限元控制方程，为研究其大功率驱动下的非线性本构模型奠定了基础； 5、界定压电振子的动力学特性指标，对压电振子的机电耦合动力学模型参数进行计算及变参数仿真；依据等效电路模型，对压电振子的电学特性进行了仿真分析；通过有限元数值实验，对压电振子工作模态附近的模态振型及工作频率附近的频段进行了激振效果分析，找出了实现模态简并的激振频率；利用有限元控制方程，通过编程计算，对压电振子的力电耦合场参数进行了详细计算，得出了一些有价值的结论。

An analytical model of non-linear shock response of the equipment using shock isolator with displacement restrictor is established and the pseudo-force approach is used for the first time to solve the response.

带有限位器的浮筏隔振系统是非线性系统，该文建立了这一非线性系统的模型，利用伪力(pseudo-forces)法计算了带有限位器的浮筏隔振系统模型的冲击响应，分析了限位器参数对冲击响应的影响。

A method and apparatus for increasing the propelling force of pulse engine features that the fuel nozzle of pulse explosion engine is arranged in combustion chamber to close jet tube exit, and the fuel is reversely sprayed out to generate a shock wave barrier near the jet tube for preventing the airflow from flowing out of the combustion chamber, resulting in raising the pressure in combustion chamber and in turn increasing the propelling force.

本发明公开了一种提高脉冲发动机推力的方法和装置，它是通过将脉冲爆轰发动机的燃料嘴置放在燃烧室中靠近喷管出口附近，并使燃料逆向喷出，在燃烧室内靠近喷管附近形成一道阻止气流流出燃烧室的激波，激波的作用是使燃烧室压力升高，从而的到较大的推力。同时由于本发明的结构特别的简单，所以实现非常容易，并且工作效果十分显著。

Chapter 1 first introduces the development-history, present state on the research and application of product shock testers, the current application situation of shock teasing and its force pulse on the base of having collected and analyzed plenty of documentation.

论文分为以下几个章节：第一章首先在综合国内外文献的基础上介绍了冲击试验机的发展历史，研究与应用现状，并介绍了冲击试验与冲击波形的运用状况。

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。