查询词典 finite element method

New Prgress of Collocation Method,Boundary Element Method,and Moving Finite Element Method Forthe Evolution Model of a Basin

中文题名发展方程初边值问题的配置法，边界元法新进展及油气盆地发育史的数值模拟新方法

Element-free Galerkin Method is a effective method for solving partial differential equations with the help of shape functions coming from moving least squares approximation. It is well-suited to problems involving large deformation and crack propagation etc on which Finite Element Method can not be used easily. But EFGM is computationally expensive and it is hard to impose the essential boundary condition. Coupling the EFGM and FEM can fetch up the defect of EFGM and improve the efficiency highly.

无网格伽辽金法是基于移动最小二乘法的一种用来求解偏微分方程非常有效的方法，在处理诸如高度大变形、裂纹动态扩展等有限元法较难解决的问题时有其独特的优势，但是存在处理边界条件复杂，计算量大的不足，将无网格法同有限元耦合可以解决这些缺点，极大的提高计算效率。

In the text, the Spectral element method is used to model the seismic wave propagation, which is based on a weak formulation of the elastic mechanics equation. It combines the geometrical flexibility of the Finite element method and the accuracy of the pseudospectral method.

本文采用谱元法对横向同性介质中的地震波进行模拟，该方法基于弹性力学方程弱形式基础之上，具有有限元适应任意复杂介质模型的韧性和伪谱法的精度。

A nonoverlapping domain decomposition method and the finite element method/boundary element method are combined to analyze transverse electric wave scattering properties by a two-dimensional open cavity filled with the multilayer anisotropic dielectric.

应用非重叠型区域分解法结合有限元法和边界元法分析了填充多层各向异性介质的二维开口腔体横电波散射特性。

Several special finite element techniques, such as the chip separation criteria, friction model, heat conduction and adiabatic shear during cutting process have been implemented to improve the accuracy and efficiency of the finite element simulation.

利用该有限元模型分析了钛合金铣削加工中切削力和切削温度的周期变化规律，建立了切削力和切削温度曲线。

BACKGROUND: Some scholars have used finite element analysis to simulate spinal biodynamics. But there are few reports on finite element imitation of lumbar biodynamics system before and after artificial disc replacement.

背景：国内外已有学者将有限元分析用于脊柱的生物力学模拟，但对人工椎间盘置换前后腰椎生物力学系统的有限元模拟报道较少。

Through adopting the technological analysis of ADAMS, analyze the numeric machine tool of XK6420 action force between every main attachment under various operating conditions, so offer the border condition for the finite element analysis; through the finite element analysis about the assembly structure intensity on the numeric machine tool, receive high stress and dangerous area that meet an emergency. Then optimize the structure to this area, and the result indicates that the working condition is improved obviously on this component,""hereby guarantee the running reliability of the whole machine.

采用ADAMS的运动分析技术分析了整机在各种作业工况下各主要连接件之间的作用力，为有限元分析提供边界条什：对XK6420数控铣床结构强度进行了有限元分析，得到了高应力、应变的危险区域，对该区域进行了结构优化没计，结果表明显著地改善了该部位构件的工作状况，从而保证了整机运行的可靠性。

According to the comparing of ultimate load carrying capacity in finite element analysis, calculating and static tests, the results are matched, which shows that, it's feasible to simulate the new type of light gauge steel system studs under press using finite element analysis.

通过比较有限元分析和试验分析以及解析计算得到的极限承载力发现，三组极限承载力的值吻合；有限元分析得到的柱的屈曲模式和破坏情况与试验的结论相符。说明用有限元的方法模拟分析轻钢龙骨体系柱的轴压承载能力的方法是正确、可行的。

In this paper,a three-dimension finite element calculating model for thermo-stress coupling analysis is developed with the finite element software package ANSYS and is used to calculate the practical thermo-stress distribution in the supporting nozzle plane board.

文中利用ANSYS有限元分析软件建立了铸嘴支撑面板温度-应力耦合分析的三维有限元计算模型，并对实际工况下面板的热应力分布进行了计算。

The some basic methods in composite mechanics are introduced,and relative formulations are derived.Maximum stress criterion,Maximum strain criterion,Hill criterion and Cai-Wu criterion are showed.The solid model of level-stability-panel is built by CATIA software,its finite element model by PATRAN/NASTRAN software.Through finite element analysis,the stresses and displacements of level-stability-panel are obtained.In order to analyze the strength of asingle part of level-stability-panel,the software CLOP is developed.The process of taking the data from NASTRAN's results and importing them to CLOP is showed.The strength of back wall of lev el-stability-panel is calculated by CLOP.

论文叙述了复合材料力学分析的基本方法，并推导了相应的计算公式，给出了几种常用的强度准则；利用CATIA软件对某型直升机的平尾进行实体建模，然后在PATRAN/NASTRAN软件中读入该模型，形成了有限元分析模型，并进行有限元分析，获得了平尾的应力云图和位移云图；为了对平尾的局部复合材料结构进行强度分析，开发了CLOP程序；从平尾结构中取出后樯作为强度分析的对象，表示了从NASTRAN分析的结果到CLOP程序输入的方法，计算出了后樯的强度数据。

"Yes, now you can give yourself airs," she said, you have got what you wanted.

"对了，您现在高兴了，"她说道，这是您所期待的。

Then the LORD said to me: Rebel Israel is inwardly more just than traitorous Judah.

上主于是对我说：＂失节的以色列比失信的犹大，更显得正义。