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The residual stress and deformation of the piece as well as the influences of tension on the crown and screw-down were analyzed by using the models. The comparison of simulation results and experimental data prove that the FEM models are accurate and reliable.

利用所建立的模型对带钢轧制过程轧件的残余应力、变形以及张力对板凸度和压下量的影响进行了模拟分析，模拟结果与实验结果的比较证明所建立的模型是正确的。

In order to practical case of Ertan project, using Object-Oriented FEM, FEMSNI subsystem for positive analysis of method library have been presented, which is one of Ertan arch dam safety supervision system.

针对二滩工程的实际情况，运用面向对象有限元方法，研制了二滩拱坝安全监测—在线监控及反馈分析系统中方法库正分析FEMSNI子系统，对二滩拱坝进行了全过程的仿真分析，研究了二滩拱坝从施工期到运行期的变形和应力发展过程。

Based on the design drawings of low tower cable-stayed bridge s,the paper discusses the different stress effect on the tower saddle under different load case by using the space FEM.

以一座矮塔斜拉桥为研究对象，采用空间有限元方法计算了索鞍的受力情况，将索力比较真实地转化为抛物线形面压力施加在各个对应孔道上，并分析了孔道施工偏差对运营阶段塔的影响。

Aiming at above problem, this paper analyzes the real distribution feature of interaction force between the pile and surrounding rock by using the FEM, especially for nonlinear distribution feature.

本论文将针对这一问题，提出采用有限元方法分析抗滑桩与围岩间作用力的实际分布特征，特别是其非线性特征。

Above all, the fact distribution feature, especial the nonlinear feature, between anti-sliding pile and surrounding rock is analyzed by FEM.

综上所述，论文提出采用有限元方法分析抗滑桩与围岩间作用力的实际分布特征，特别是其非线性特征。

In the process of building and using the mass concrete structures, because of the effect of out-side condition and themselves, some faults will form in the structure, these faults will effect the bearing capability and endurance Using nondestructive testing method to test the concrete"s quality and diagnose its healthy, which has the significant sense in assessing the safety stability and research of the administering diseasesThis dissertation mostly researched the testing methods in the mass concrete structure, discussed the principles, methods, features, sphere of application of the ultrasonic testing in the mass concrete structure with faults, used dynamic FEM to simulate the testing process, discussed when the concrete structure with cracks is under the effect of the pulse, how the elastic waves propagate and what are their changing feature, Researched the principles of the first-arriving waves" phase when the cracks" depths are not same, obtained the relation between the inversion point and the cracks" depth, which has the direction sense in the application of projects,The second part of this dissertation is CT , which used the ultrasonic wave running through the tested-substance to get arriving-time of the ultrasonic wave, then inverse the image This dissertation drawed one CT program which can well present the different little cells ultrasonic wave velocity profiles of the substance, thereby to diagnose the quality of the part of the tested-substance, CT has the better using foreground..

在混凝土结构的施工及使用过程中，由于受其自身及外界各种因素的影响，常常会产生一些缺陷，对结构物的承载能力和耐久性造成严重影响，采用无损检测技术进行质量检测和健康诊断，这对混凝土结构开展安全、稳定性评估以及病害隐患治理研究具有重要意义。本论文主要针对大体积混凝土结构缺陷的检测方法展开研究工作，重点讨论了超声波法检测混凝土结构裂缝的基本原理和方法及其特点、适用范围，运用动力有限元数值模拟其检测过程，探讨了有裂缝缺陷的混凝土结构在脉冲荷载作用下弹性波的传播及其变化特征，研究了不同裂缝深度下首波相位变化规律，得出了反转临界点与裂缝深度之间的关系，这对实际工程应用具有指导意义。声波CT是一种新的无损检测技术，它是利用声波穿透被检测体获取声波接收时间，来进行计算机反演成像的技术。本文利用直射线法编制了层析成像程序，能较好地呈现被检测物体各微小单元的声波速度分布图像，从而对检测体的质量状况作出诊断评估，具有较好的应用发展前景。

Numerical simulation of flexible end-plates connections and fin plate shear connections under fire was successfully done using FEM software ANSYS. Geometric, material and contact non-linearity was taken into account.

利用有限元分析软件ANSYS对高温下内缩式端板连接和柔性剪力板连接进行了数值模拟分析，分析中考虑了材料非线性、几何非线性及接触非线性等多种非线性因素的影响。

Using a cloud chart or a contour line chart to observe a space or flat data field of the FEM is one of the most valid methods.

以云图或等值线对空间或平面数据场进行可视化是有限元后处理最有效的方法之一。

Methods: 3-D FEM was used to make a comparative study of the effects of the implant to stress distribution of removable partial denture under different loads.

应用三维有限元法，在不同加载条件下分析比较有无种植体支持对于双侧后牙游离缺失可摘局部义齿应力分布的影响。

The study says that FEM simulation can be an effective method for research on geo-science.

我们的研究表明，有限元模拟是研究地球科学的一个有效的方法。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。