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The paper introduces the qualitative, quantificational analysis and calculation of the of load capacity and stiffness for contrapositive hydrostatic pocket of hydrostatic slide in precision and ultraprecision machine, and brings forward the method of optimization calculation.

对应用于精密加工和超精密加工机床中的液体静压导轨的承载能力和刚度进行了定性和定量分析计算，并提出对其优化的方法。

And a variable stiffness control of the system can be realized by making use of the compliance.

可见，如何回避和利用柔索的柔性是PWDR研究中的一个很重要的问题。

Focusing on practical application, finite element simulation technology was discussed for engineering structures applied with combined temperature and vibration environment, including solution of temperature field with convectional boundary condition, thermal stress computation, forming of prestress stiffness matrix, analysis of response power spectrum et al.

从工程应用的角度，探讨温度与随机振动载荷作用下结构动态响应的有限元分析技术，包括对流边界条件下温度场的求解、热应力计算、预应力刚度矩阵的建立、响应功率谱分析等。

By using an external hot pressure test apparatus,the structural stiffness of the hatch cover plate has been eveluated at room temperature and 400℃,respectively.

利用自行设计的热外压装置，考察了口盖板在室温和400℃下外压时的刚度变化情况。

Construct the three-dimensional manifold element covering hexahedron, provide cover displacement function, strain matrix, stiffness matrix and stress matrix of the three-dimensional manifold element by the previous research work.

6在前人研究的基础上，构造了六面体有限覆盖的三维流形单元，推导了三维流形单元覆盖位移函数、应变矩阵、刚度矩阵、荷载矩阵等表达式。

Since it is very difficult to established the model via ANSYS software, UG software is used to set up the model. In the fourth chapter, the bus body"sstructure are analyzed by ANSYS software. Three work situations of bus body are discussed, which are bend work situation, torsion work situation and crankle work situation. The stiffness and strength of bus body"s structure are calculated to guide the design of bus bodys structure.

由于使用ANSYS软件建模很不方便，本文使用UG软件建模，利用UG软件的图形数据转换接口，将作好的模型导入ANSYS中处理；第四章主要是介绍了如何使用ANSYS软件进行客车车身结构的分析，文中讨论了客车的三种使用工况，弯曲工况、扭转工况和弯扭工况，计算了客车车身的结构强度和刚度用于指导客车车身结构的设计。

Based on the analysis for the dynamic characteristics of semi-rigid steel frames with simple or multiple degree-of-freedoms,effects of rotation stiffness of beam-to-column connections on the structure period,frequency,critical damping and mode of vibration are discussed.

通过对单自由度体系和多自由度体系半刚接钢框架的动力特征分析，初步探讨了梁柱连接转动刚度对结构自振周期、频率、临界阻尼以及振型等参数的影响。

This work employs operator-splitting method / finite element method to study dynamic performance and the stability of liquid-lubricated herringbone grooved journal bearing with micro-polar lubricants. Load capacity, friction resistance, stiffness/damping coefficients and critical rotor mass were investigated.

本文采用算子分裂/有限元法计算微极性流体润滑剂的螺旋槽径向轴承承载力、粘性阻力、润滑油膜刚度系数和阻尼系数等特征量，研究轴承的动力特性和稳定性问题。

In this paper, the JFO condition, satisfied with global mass continuity, is incorporated into an universal Reynolds equation with micro-polar fluid which is solved for the oil film pressure using OSM and FEM. The bearing load capacity and friction resistance were given, and stiffness/damping coefficients and critical rotor mass were obtained by solving a pressure perturbation equation with micro-polar lubricants.

本文采用满足全流场质量连续的JFO边界条件，采用微极性流体的广义雷诺方程来求解油膜压力分布，进而获得油膜承载力和粘性阻力等轴承动力特性量；采用小参数摄动法得出油膜压强扰动方程，并采用有限元法解出扰动压强，积分扰动压强获得油膜的阻尼系数和刚度系数，进而求得了表示轴承油膜稳定性的临界转子质量。

All patients received spinal anesthesia with 0.5% Marcaine 10-15mg by 25 gauge Quincke needle. PDPH severity was assessed with Croker's classification; neck stiffness and satisfactory degree were assessed with VAS.

以学者Croker的分类标准来评估头痛严重程度，并使用视觉的类似语等级法VAS来评估头颈部僵硬酸痛程度和病患麻醉满意度。

You have to walk your own alk in this life.

次生中你必须走自己的路。

To start with, the thesis analyses ***ism in terms of the generic masculine words, word order and semantic derogation of women in greater detail.

论文首先从阳性词泛指，词序，词义的贬降等方面对英语中的性别歧视现象进行了详细的分析。