查询词典 finite dimensional

The model was merged.Result:An ideal three-dimensional finite element model of the PFM crown for the upper cuspid was constructed.Conclusion:The constructed 3-DFE model was quick and accurate and could be applied as a new method in the dental research. cuspid ; finite element ; porcelain fused to metal

材料和方法1实验器材与软件环境：OPTIPLEX GX260商用台式机(处理器Intel Pentium IV2.0G，内存容量1GB，硬盘80G，操作系统Windows2000)；三维照相测量仪(3DSS)(上海数造机电科技有限公司)；Geomagic studio8(raindrop公司，美国)；Imageware12Unigraphics NX4.0；Algo

It is usually that the solution for the Dirichlet problem can not be obtained actually. With the development of computers, people pay more and more attention to the numerical solution. Many ideas and methods have appeared. Among them the finite element method has become most popular. But the finite element method has some weaknesses and limitations too. First, it is not fit to higher-dimensional problems.

绝大多数Dirichlet问题的解析解往往难以得到，随着计算机技术的发展，Dirichlet问题的数值解法越来越受到人们的重视，新的思想和方法不断涌现，其中有限元法已经发展成为目前求解Dirichlet问题的最主要的数值方法，但是有限元法解决该问题时，存在着一些弱点和局限。

The use of ANSYS finite element software to establish a large-scale Decanters double cone angle of the two-dimensional finite element model of the drum to its normal working condition in the overall structure of static analysis, has been the drum of the radial, axial deformation and stress distribution and maximum stress points, results show that the double cone angle drum strength and stiffness to meet the requirements to verify the safety of the structure of double cone angle.

利用ANSYS有限元软件建立了大型卧螺离心机双锥角转鼓的二维有限元模型，对其在正常工作状态下的整体结构进行了静力分析，得到了转鼓的径向、轴向变形和应力分布及最大应力点，结果表明双锥角转鼓的强度和刚度均满足要求，验证了双锥角结构的安全性。

Firstly, according to electromagnetic field theory, the 2-dimensional (2-D) mathematical model of a three phase squirrel-cage Y802-2 induction motor is developed. Then general equations can be deduced from finite element discrete and functional analysis. The motor's 2D solving region of electromagnetic field is given based on the boundary conditions and assumption conditions of the squirrel-cage induction motor. Through finite element mothod and inner–outer convergence method, magnetic field distributions and magnetic forces of bars can be calculated in following rotor conditions: health rotor, one single broken bar, two adjacent broken bars, two broken bars with one good interval, two broken bars with two good interval and four adjacent broken bars.

本文首先根据电磁场理论建立Y802-2型三相笼型感应电动机二维电磁场的数学模型，并对其进行了有限元离散以及泛函分析，推导出总体方程；在基本假设和边界条件基础上，给出笼型感应电动机二维电磁场的求解区域，然后应用有限元并结合内外双收敛方法，对样机稳态运行进行数值计算，得出电机在转子完好、一根导条断裂、连续两根导条断裂、间隔一根两根导条断裂、间隔两根两根导条断裂及连续四根导条断裂六种情况下的磁场分布和导条所受电磁力的变化情况。

Basing on the transfinite mapping concepts, the present author developed a program system with an automatic mesh generator for 2-dimensional finite elements and graphical display, which is capable of generating various types of element meshs including that of 4-node, 8-node and 9-node quadrilateral elements, automatically deals with boundary conditions and load information, so that it is convenient to apply finite elament method to practical engineering problems.

利用超限映射理论，建立了一个二维有限元网格自动生成和图形显示为一体的程序系统。该系统能生成多种类型的单元（4节点、8节点、9节点），自动处理边界条件和荷载信息，使有限元法能方便地运用于实际问题。

Objective: The purpose of this study is to develop a systemic and geometrical detailed three-dimensional finite element model based on the healthy human foot and investigate the foot inner biomechanical properties during balanced standing using a static finite element analysis.

目的：建立一个基于健康人体的、系统的、具有高度几何相似性的足部三维有限元模型，并用此模型静态地分析人体双足站立相时的足部内部的生物力学特性，量化足部内部的应力/应变状况、足部内侧纵弓变化等。

In the fourth section, we stress on the study of the finite type rotation hypersurfaces, and obtain the classification of two and three dimensional spherical and hyperbolic rotation surfaces of finite type. It is proved that the parabolic rotation hypersurfaces are minimal or maximal.

第四节着重对有限型旋转超曲面进行了研究，得到二维和三维球型、双曲型有限型旋转曲面的分类结果，证明了有限型抛物型旋转超曲面是极小或极大超曲面。

In the numerical computation, a two-dimensional numerical method integrating finite element method and difference method was employed, where the finite element method is used to calculate the magnetic field of the permanent magnetic guideway and the difference method is used to calculate the induced current in the superconductor, then the levitation force and the lateral force were calculated by Lorentz formula.

在数值计算部分，实现了一种集有限元法与差分法为一体的数值计算方法。

In order to analyze vertical bearing behavior of large diameter belled pile in soft substratum, three-dimensional non-linear finite-difference numeric models are established with finite-difference program, calculated and measured results are contrasted, and it proves that the calculation models and the chosen parameters are rational.

为分析存在软弱下卧层的大直径扩底桩的竖向承载性状，本文利用有限差分程序建立三维非线性有限差分数值模型，将计算结果与实测数据进行对比，验证了计算模型与参数选取的合理性。

Results show that to assign skeleton to 2 kinds, i.e. compact bone and cancellated bone, could not match the needs for a personalized finite element analysis; and to assign skeleton to 10 kinds of material attributes to three-dimensional model of femur could match the needs for finite element analysis.

结果提示，传统方法将骨骼分成密质骨及松质骨2种材料属性，不能满足个性化骨骼有限元分析的要求，将骨骼赋予10种材料属性即可达到有限元分析的要求。

The production moved off-Broadway to New York City, where she won the Joseph E. Calloway award for her performance, and was profiled in American Theater Magazine as one of ten young theater artists to watch.

生产提出过百老汇的新的纽约市，在那里她赢得了约瑟夫calloway奖，她的表现，并于异型在美国的战区杂志之一， 10战区的青年艺术家观赏。

It's a risk tradeoff, and I believe that adding test support code usually wins.

这是一个风险的权衡，我相信添加测试代码通常会占上风。