有限元法

Finite element software was used to simulate displacement of Ti/Steel cladded plate during explosive welding.

中文摘要：采用非线性动力有限元法建立了复合板在爆炸焊接过程中的有限元计算模型，对复合板运动状态进行了模拟和分析。

This paper is mainly studied three-dimensional finite element on sluice construction, and established the entire model including sluice pier、 ground、 the floor board、 and the upper frame as a whole body. Through analysing the static and dynamic problems, we can draw the reasonable conclusions.

本文主要研究了空间水闸结构计算的有限元法，将闸墩、地基、底板和上部排架作为一个整体建立空间有限元模型，进行静动力分析，并得出相应合理的结论。

Thermo-mechanical coupling finite element method is used to calculate the six inherent strain components and the angular distortion of the lap joint, and each inherent strain component is mapped into the model in the form of boundary condition for linear elastic analysis, the angular distortions of the lap joint are got.

采用热弹塑性有限元法计算出搭接接头的六个固有应变分量和角变形，并以各个固有应变分量作为边界条件，对搭接接头的有限元模型进行弹性分析，计算出各个固有应变分量对应的角变形。

Finite element dynamic mode is established for API casing leaning thread contact by using elasticand plastic infinite element.

用弹塑性有限元法，建立了API套管偏梯形螺纹接头接触问题的有限元力学模型。

Metal-cutting process with a finite element simulation of dynamic、highly nonlinear and so on.

随着计算机技术的发展，采用有限元法模拟加工过程，深入研究加工机理成为了可能。金属切削加工有限元模拟具有动态性、高度非线性等特点。

Main contents are shown as follows:(1) After comparing all kinds of applied methods, three-bar stimulation analysis method which is simple is selected to calculate coefficients of shear lag on some cross section of box girder.

将空间有限元法和三杆比拟法两者的计算结果进行对比分析，指出了三杆比拟法的适用范围。

The drawing and extruding problems are analyzed and calculated by means of the theory and finite element program in this paper. It has been proved that the theory of large strain elastic-plastic finite element and elastic-plastic hydrodynamic lubrication has a wide practice value.

应用本文的理论和有限元程序，分析和计算了拉拔和挤压实例，证实了有限变形弹塑性有限元法和弹塑性流体动力润滑理论在金属塑性成形领域中具有广泛的实用价值。

Based on rolling technology of 2050 hot strip roughing mill group, a 3-D coupling thermal, mechanical and microstructural rigid-plastic finite element model had been developed by using nonlinear finite element method and physical metallurgy microstructural evolution models.

根据某厂2050热带钢粗轧机组轧制工艺，借助物理冶金组织演变模型，利用非线性有限元法开发了热连轧过程热、力、组织耦合三维刚塑性有限元模型。

The research aim of this thesis is the winding end insulating structure of oil immersed power transformer 110kV . Beause of the very asymmetric electric field, the higher electric field would apeared in the oil-gap and partial charge will easily engendered in the wedge oil-gap between static ring and head block of winding end.The two-dimensional isoparametric and finite element method is used for analyzing and calculating the electric field distribution in high voltage winding end insulating structure.

本文以110kV油浸电力变压器绕组端部绝缘结构为研究对象，针对绕组端部绝缘结构中静电屏与垫块之间存在楔形油隙区，致使电场分布很不均匀，油隙区中的电场强度较高，容易产生局部放电的特点，采用二维等参元有限元法及有限元软件ANSYS电磁场分析功能对高压绕组端部绝缘结构进行电场计算分析。

In this paper, finite element method is used to analyze the sinusoidal buckling of drill-strings with connectors in straight well bore. Three kinds of beam elements, one of them is a newly established transition element, are adopted in the finite element model.

本文运用有限元法分析了直井中考虑接头与井壁接触时钻柱的正弦屈曲，有限元模型采用三种不同类型的梁单元，其中一种是新建立的过渡单元。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。