数值实验表明该轴对称元具有好的精度。
Numerical experiments indicate that the element is of good accuracy.
本文首先利用组合杂交有限元法得出了一个四节点轴对称元。
A 4-node axisymmetric solid element is derived by combined hybrid methods in this paper at first.
利用组合杂交有限元法得到了一个四节点轴对称元，并采用协调等参双线性位移来逼近及分片常数应力模式。
A 4-node axisymmetric solid element is derived by combined hybrid methods. Compatible isoparametric bilinear displacement approximations and the constant stress mode are employed.
在讨论了碳纳米管的几何结构的基础上，对齿型和椅型碳纳米管的对称性进行了分析并将这些对称元进行了抽象和总结。
The geometric structure of carbon nanotubes (CNTs) is introduced, the symmetry of zigzag and armchair CNTs is analyzed and these symmetry elements are abstracted and summarized.
本文用三维弹塑性有限元法计算了含圆孔对称复合材料层板的层间应力分布。
In this paper, the interlaminar stress distributions of symmetric composite laminates with a hole are predicted by the three-dimensional elastoplastic finite element method.
从群的角度出发，导出了量子力学中的基本力学量与对称变换群中的生成元的关系式。
This paper derives the relationship between the fundamental mechanical quantity in quantum mechanics and the generation element in symmetry transformation group.
对含正对角元的对称本原矩阵的本原指数集的分布进行具体的研究，得到几类本原矩阵的分布规律。
In this paper we study some classes of symmetric primitive matrix with trace nonzero, and obtain their characterization.
采用轴对称模型和有限元方法，模拟了大秦线长大坡道循环制动条件下货车车轮温度和应力场，结果表明车轮高应力区出现在辐板上，现行制动条件下车轮强度满足使用要求。
The temperature and stress field of wagon wheel under the condition of long ramp way cycle braking in Daqin line have been simulated by using FEM and axial symmetry model.
结合宝钢2050热轧粗轧机组实际轧制工艺，建立带钢非对称轧制有限元模型。
An asymmetrical rolling model is established based on the actual technologies of the 2050mm roughing trains mill of Baosteel.
本文采用有限元方法，分析单层对称褶皱作用和一个天然倒转褶皱的变形过程。
Symmetrical folding of a single layer and folding process of an overfold are analyzed by using the finite element method.
判断矩阵是否是自反的，对称的，离散数学中的二元关系。
Matrix to determine whether it is reflexive and symmetric, Discrete Mathematics in the binary relation.
它进一步说明一个四元流形的截面曲率的估计对许多对称黎曼空间都是有效的。
It proves that the estimate sectional curvature of a quaternion manifold is very useful for Riemann symmetric space.
介绍了轴对称场的有限元模型及其用于计算金属内部磁场分布的结果。
Briefly introduces the finite element model of axisymmetric field and the results of magnetic field calculation in metal.
又作了轴对称的有限元分析，能估算次生裂缝出现时的荷载以及次生裂缝出现后的端部滑移。
An axisymmetrical finite element analysis is also made, with which the secondary cracking load and the end slip after secondary cracking can be predicted.
应用有限元分析方法计算了对称四脊矩形波导TE模式的传输特性，即截止波长和场结构图传输特性。
This paper describes the application of finite element method for obtaining the TE mode′s cutoff wavelength and the field pattern of symmetric quadruple-ridged rectangle waveguide.
给出了利用隐含对称条件的二维弹塑性边界元分析公式，并应用于弹塑性接触问题分析。
In this paper, boundary integral equation for elastoplastic problem with implicit symmetry conditions is developed and applied to elastoplastic contact problems analysis.
主要研究了热方程与波方程的非古典势对称群生成元及相应的群不变解。
Some nonclassical potential symmetry generators and group-invariant of heat equation and wave equation were determined.
使用包含一个橡胶和空穴的轴对称模型的有限元计算来分析橡胶增韧环氧树脂细观上的力学行为。
The finite element method was employed to study the micromechanics in rubber toughened epoxy resins using the axisymmetric model contained a rubber and a hole.
根据计算流体力学与传热学原理，建立了描述铝合金电阻点焊液态熔核流动行为和传热过程的轴对称有限元模型。
Based on theories of computational fluid dynamics and heat transfer, an axial symmetry finite element model of velocity and temperature field of spot welding for aluminum alloy is established.
采用轴对称动力有限元结合系统识别反分析理论进行路面模量反算，考虑了落锤式弯沉仪（FWD）荷载作用下的路面反应动力效应。
This essay adopts limited units of axial symmetry and theory of system recognizing backcalculation, in which the dynamic effect of the road surface reaction to load of FWD is considered.
介绍了一种用于分析轴对称谐振腔的混合阶矢量有限元法。
A kind of mixed-order vector finite element method for axial-symmetric cavities is introduced.
建立了取样管与沉积物接触的二维轴对称有限元模型。
A two-dimensional axisymmetric finite element model of sampling tube and sediments is built.
推导了轴对称线性三角形元的影响系数矩阵和输入向量公式；
The influence coefficient matrix of the linear axisymmetric triangular element and the input vector expression are derived.
本文从弹性力学分区变分原理出发，提出一种新的有限元与边界元的对称耦合方法。
The paper presents a new symmetric coupling approach of BEM and FEM, which is based on the sub-region variational principle.
本文应用摄动法给出了一种简便的计算任意二元和轴对称细长喷管可压缩有势流动的近似解析方法。
A simple and approximate analytical method for calculations of compressible potential flows in arbitrary two-dimensional and axially symmetric slender nozzles is given using perturbation technique.
建立一种子午线轮胎的轴对称非线性有限元模型，用以模拟轮胎的轮辋定位充气自由旋转过程。
A nonlinear axisymmetric finite element model was built to simulate position on rim, inflation and free rotation of radial tire.
选取结构的任一个循环对称扇区作为有限元计算模型，建立单个扇区复约束特征值方程；
The presented method selects only one cyclic symmetric sector of the structure as the finite element calculating model and establishes the complex constrained eigenvalue equation of the sector.
本文提出了一种改进的计算轴对称场的高阶有限元方法。
An improved high-order finite elements method is presented to calculate axisymmetric field problems in this paper.
根据三层不锈钢板电阻点焊熔核形成过程，建立了模拟三层板点焊温度场的轴对称有限元模型。
An axisymmetric finite element model is developed to simulate the temperature field of resistant spot welding according to the process of nugget formation of three layers stainless steel sheets.
根据三层不锈钢板电阻点焊熔核形成过程，建立了模拟三层板点焊温度场的轴对称有限元模型。
An axisymmetric finite element model is developed to simulate the temperature field of resistant spot welding according to the process of nugget formation of three layers stainless steel sheets.
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