失效分析

The microstructure and fracture morpholo gy of steel 20 were studied using scanning electron microscope and X-ray diffractometer.

利用光学显微镜、扫描电子显微镜及X射线能谱仪对20钢火药筒失效样品的断口形貌和显微组织进行了分析。

The working reliability of disk brake system is analyzed,through which the main factors influencing the reliability and the main causes of malfunction of the brake are discussed.

通过分析盘式闸制动系统的工作可靠性，据此讨论影响制动器工作可靠性的主要因素及制动失效的原因。

Because average distributive process is a dynamic process, so traditional static analysis method is in this invalidation.

由于平均分配的过程是个动态的过程，故而传统的静态分析法在此失效。

Based on theoretical study and test, by using finite element numerical method, the force and deformation of casing with cement sheath under nonuniform load is analyzed, and the effect of two sensentive parameters, the nonuniform load ratio and ellipticity, on the failure of casing is discussed.

在已有的理论研究与试验工作的基础上，采用有限元数值方法，分析计算了受非均匀地应力作用下套管-水泥环结构的受力与变形，讨论了两个敏感参数——非均匀载荷比和套管椭圆度对套管失效的影响问题。

On the basis of above research, this paper designs an effective, flexible, expansible Cluster Monitor solution according to the aim and principle of Cluster Server.

在上面的分析研究的基础上，根据集群服务器的设计原则和目标，设计了一个高效、灵活、可扩展的集群监控系统方案，可以最大程度的屏蔽集群服务器的单点失效，具有易于扩展的特点。

On the aspect of system reliability, the equivalent exponential distribution theory was proposed which is applicable in system reliability analysis and calculation.

给出了考虑系统组成部件的故障率及修复率为时间的函数时，存在相依失效系统的可靠性分析方法。

In this paper the structure principle of GM(1, 1) was analyzed and the defect was pointed out that the traditional model only adapt to the data with exponential law, and only can fit for the monotonic data. The prediction is defected when there are two consecutive data unchanged, and 'a' is equal to 0.5 in prediction formula.

从传统GM(1，1)预测模型构造原理出发分析其存在的理论缺陷，此模型适用于具有较强指数规律的序列，只能描述单调变化过程，而且预测数据序列中出现连续两个相等值时将使得a等于0，会使预测数列发散致使预测失效。

Calibration error is analyzed and theoretical expression of error term is given. The method to detect malfunctioning TRMs is proposed in the case of TRM failure.

分析了定标误差的影响因素，给出了误差的解析表达式；给出了检测失效T/R组件的方法。

Due to the uncertainty of material property υ23, its influence on failure analysis is studied.

在三维有限元模型的基础上，实现了失效扩展仿真分析。

The progressive failure analysis method is used to simulate the damage process and response law of load and deformation for composite laminates with centric hole on the base of finite element analysis program of crack propagation.

设计了复合材料性能指标测试方案，通过试验测定应变不变量失效理论中的四个不变量参数值，并作为结构设计和有限元分析的基本材料性能数据。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。