应力

Based on the finite element analysis software ABAQUS, the rotary fatigue life of the aluminum ahoy wheel is simulated. The initiation point of the fatigue crack and its maximum stress are obtained.

该文运用有限元分析软件ABAQUS，对某铝合金车轮旋转弯曲疲劳寿命进行了仿真分析，得出易于产生疲劳裂纹的应力集中点及其最大应力值。

These application examples indicate that the direct method derived in this paper simplifies the process of constructing the Airy function in specific plane problems.

这些例子说明，利用本文的观察法可以将某些平面问题应力函数构造的过程简单化。关键词双调和函数， Airy应力函数，弹性力学平面问题

Author presents stress component's expression under polar coordinate while a single force is applied to horizontal rock formation by means of Airy's stress function.

：通过极坐标系下的艾里应力函数法，求解出在集中力作用下水平岩层中各应力分量。

The relationship between stress and strain of concrete in prestressed concrete bridge s is written as algebraic form within load duration and the equilibrium equations of internal force and compatibility conditions are introduced.

首先将预应力混凝土桥梁中考虑收缩、徐变影响的任意时刻混凝土应力、应变关系在持荷时段内写成代数形式，引入内力平衡方程及变形协调条件后，提出了计入截面上钢筋位置、配筋率、预应力钢筋松弛、混凝土弹性模量随时间变化等影响的徐变效应分析的全量形式自动递进法，并建立了计算式，适用于任何形式的收缩、徐变特性表达式；基于建立的全量形式公式，可方便地求解任意时刻混凝土、钢筋的应力与应变和梁体竖向变形。

The field of alternative stress was generated through a strong sound field system set up in our lab, and the thermodynamic properties of cells were studied by Differential Scanning Calorimeter. We found that the effects of stress on cells depended greatly on the intensity and frequency of stress.

研究了交变应力对烟草愈伤组织细胞的影响，采用本实验室研制的强声波发生装置来产生交变应力场，并利用差式扫描量热仪研究了不同强度和频率的交变应力作用后烟草细胞热力学相行为的变化。

Based on Mindlin stress solution ,the stress state of deep buried rectangular anchor plate under horizontal load is studied.

根据Mindlin 应力解，研究了长方形深埋锚板(当然也可以是圆形或其他形状的锚板)承受水平抗拔荷载下的应力状态，提出采用修正分层总和法计算深埋锚板变形特性的新方法。

The analysis and test results show that the concentration of stresses at the end of fillet welds between the tensile anchor plate and the tensile anchor tube is obvious, and the maximum principal tensile stress occurs in the stress concentration region.

结果表明，锚拉板与锚拉筒之间的连接焊缝下端部应力集中明显，最大主拉应力出现在该区域；在设计疲劳荷载作用下，该结构关键构造细节处均未发现疲劳裂纹，结构疲劳性能满足设计要求。

Based on the research and design of the lock wall of the Three Gorges Project,the action of the dead load and temperature load during construction of the temperature and seepage pressure during operation is analyzd,and the stress of the anchor rod of different free lengths is studied in detail.

结合三峡船闸设计研究工作，通过分析闸墙施工过程中自重荷载、温度荷载以及完建运行时温度应力、渗透压力的作用，详细研究了锚杆取不同自由长度时锚杆的应力情况。

Adding material in the andalusite to form a phase-change thermal stress of the proliferation of many small gaps, making receive Refractories with the release of the stress, resulting in improved thermal shock resistance.

在材料中添加红柱石能相变形成热应力扩散的无数细微空隙，使得耐火材料内的应力得到释放，从而提高了抗热震性。

By the experimental study about the effect of a circulate loading on the deformation and the Young's model of Sanjome andesite at the distinct strain rate in a low stress state, the viscoelasticity of Sanjome andesite in a low stress state is researched by means of the effect of the circulate loading on the deformation of rocks.

通过低应力水平下不同应变速率时循环加载次数对三城目安山岩的变形及其杨氏模量影响的实验研究，从循环加载次数对岩石变形特性影响这一角度探讨了低应力水平下三城目安山岩的粘弹性特性。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。