symmetry element

Rotation-reflection axis Sn , an abstract symmetry element in molecular structure , is described and the relation between rotation-reflection axis and optical activity of organic compounds is revealed in the paper .

本文描述了分子结构中较为抽象的对称元素&象转轴Sn并揭示了象转轴与有机物旋光性的关系。

Analytical analysis is based on mechanics of elasticity . When we use ANSYS software to do finite element analysis , axis symmetry element PLANE 183 and three - dimensional twenty - node solid element SOLID 186 are used separately .

解析分析以弹性力学为依据，有限元分析采用ANSYS软件，在利用ANSYS软件进行有限元分析时，分别采用了实体单元中的轴对称单元PLANE183和三维二十节点的六面体结构实体单元SOLIJD186。

A rotational symmetry finite element model of gas turbine rotor in characteristics analysis

燃气轮机转子动力特性分析的旋转对称有限元模型

The application of coordinate transformation and principle of symmetry to element stiffness matrices has also been discussed .

文中还讨论了单元刚度矩阵的坐标变换和对称性应用。

In the analysis of the temperature and stress field , the axis - symmetry finite element method is employed .

温度场及应力场的计算采用轴对称有限元法。

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 .

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。

A Settlement of Problem of Symmetry in Finite Element Analysis

对称问题的有限元分析与处理方法

Application of imaginary boundaries and structural symmetry in finite element natural property analysis for vibrating screen

振动筛有限元固有特性分析中虚约束的选择及结构对称性的应用

Using the symmetry of set element and generating function , we obtain counting formulas for the finite bound combination , - multiple bound combination and circle bound combination .

文章研究了一些限距组合，利用集合元素的对称性，构造生成函数等计数技巧，提出了有限距组合，倍限距组合及环状限距组合的一系列计数公式。

Use of rotationally periodic symmetry in virtual boundary element

虚边界元法中的旋转周期对称结构

According to its symmetry , a finite element model of a quarter arterial wall was built and applied pre-tension and blood pressure to simulate the real dynamic environment .

根据其对称性，建立了动脉壁的14有限元模型，并对模型施加了预拉伸和血压，以模拟真实的血管壁力学环境。

Field Point Reflection Approach for Utilizing Symmetry Conditons in Boundary Element Methods Method Actual geometry of the bone was represented as a standard pretreated model of bone , which was auto located by employing an affine scaling transformation .

边界元法中对称面条件处理的场点映射法方法针对小腿残端的特点，用标准骨替代真实骨，使用校准点映射法进行骨定位和配准，采用子域分解法自动形成网格。