查询词典 finit element method

The paper put forward the route of static finite element analysis and structure optimization for the components of hydraulic pressure, performed the static finite element analysis of important components including higher beam, attained the distributing nephogram of stress and strain.

提出了液压机部件静态有限元分析和结构优化的思路，针对上横梁等重要部件进行静态有限元分析，得到应力应变分布云图。

The system is an integrated whole including simulation and real-time data gathering imaging, whose finite element model can be analyzed automatically and size can be adjusted. The isoline and nephogram drawing algorithm in finite element after-management have been realized.

伪迹的产生主要来自于测量数据中所包含的噪声和误差，对于反投影算法还有反投影理论本身所固有的星状伪迹。

First mostly contraposing hull deck structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different simplifications of the mathematical model, thereinto mostly analyse five different simplifications of the deck model; Second contraposing hold section and hull deck structure it goes along FEA analysis together, discuss the different influence degree of calculational results between the different elements style, gridding number and gridding density, thereinto mostly analyse the difference between adopting 8 node shell element and 4 node shell element, nondense gridding and thick gridding, and numerous gridding number and few gridding number, In the end mostly contraposing hold section structure it goes along FEA analysis, discuss the different influence degree of calculational results between the different boundary conditions, thereinto mostly analyse the difference between adopting CCS boundary conditions and LR boundary conditions.

首先主要针对船体甲板结构进行分析研究，讨论结构简化不同对有限元计算结果的影响程度，其中主要研究分析了五种不同甲板结构简化模型；紧接着针对舱段与甲板结构一起进行分析研究，讨论单元类型，网格数量与密度的不同对有限元计算结果的影响程度，其中主要研究分析了分别采用8节点板壳单元与4节点板壳单元的不同，以及分别采用疏的网格与密的网格，多的网格数量与少的网格数量的计算结果的差异。最后主要针对舱段模型进行分析研究，讨论不同的边界条件对有限元计算结果的影响程度，其中主要研究分析了分别采用CCS舱段边界条件与LR舱段边界条件进行有限元计算而带来的结果上的差异。本文第二部分为港工建筑物中的大直径薄壁圆筒结构的有限元比较分析。在研究大圆筒的有限元比较分析中，主要讨论用不同的网格密度与数量来划分网格引起的差异。其中用了网格密，数量多与网格疏，数量少两种模型进行大圆筒结构的有限元分析对比

The contents of this course include: the mathematical basis of FEM, the generic solution principles and expressions of elastic mechanics issue, the construction of element and its interpolation function, iso-parametric element and numerical integral, solution of linear equations, some practical issues of FEM modeling, brief introduction to typical commercial FEM packages, FEM for truss, plate blending and shell, and FEM for heat exchange and dynamics.

课程内容主要包括：有限单元法的数学基础、弹性力学问题有限单元法的一般原理和表达格式、单元和插值函数的构造、等参单元和数值积分、线性方程组解法、有限元建模的若干实际问题、典型商用有限元分析软件简介、杆件结构力学问题的有限单元法、平板弯曲问题的有限单元法、一般壳体问题的有限单元法、热传导问题的有限单元法、动力学问题的有限单元法等。

It was proved that the area coordinates of plane triangle element and the volume coordinates of tetrahedron element are equivalent to the oblique Cartesian coordinates by the analytical and geometrical methods.

本文通过分析法和几何法证明：在有限元法和边界元法中，平面三角形单元的面积坐标或四面体单元的体积坐标与由这些单元的二边或三边构成的斜交笛卡儿二维坐标或三维坐标，尽管定义不同，而其内容却是完全对等的。

We can use the finite element postprocessing technique for the finite element solution in order to obtain a higher convergence order than usual one.

我们可以运用有限元后处理技术对有限元解进行处理，获得比一般解更高的收敛阶。

In Mathematics, a wholly ordered set is a set of elements in which each element has to stand either to the left of or to the right of each other element.

在数学里，一个有序集是这样一些元素的集合，它们中的每一个都在另外一个的左边，或者右边。

The sleeve member is oriented relative the first filter element to extend at least 30 % of the axial length of the first filter element.

套管件相对第一过滤元件取向，以沿着第一过滤元件的轴向长度延伸至少30％。

Based on the analysis of the. traditional structured finite element programming this thesis makes partial modifications for FINITE, the structure analysis program developed by the object-oriented technology. Using inheriting technology of class expanded the existing classes and enhanced its performance and the program has been implemented in both console platform and graphic interface environment. The paper illustrates the advantages of object -oriented finite element programming.

本文在对传统的结构化有限元程序分析的基础上，针对有限元分析应用的特点，对现有的一个采用面向对象技术的结构分析程序FINITE进行部分修正，利用类继承技术，对已有类进行扩充，丰富其计算功能，并用Visual C++6.0在控制台和图形界面下同时得以实现，进一步论证了面向对象有限元程序的优越性。

According to the properties of deformation and force of orthotropy plates in construction,a super element is set forward,that is the plate element with costalias .

根据构造正交异性板单元的变形和受力特征，提出了一种超级单元：带肋板单元，给出了这种单元的形函数及其单元刚度矩阵。

The studies on the developing of new media are very important to the increasing of the area density of HDD and to the implementation of hybrid recoding technology.

光磁混合记录方法，是一种可以突破超顺磁极限的限制，并进一步提高硬盘记录密度和读写速率的一种新型超高密度信息存储方式。

In io, mTOR inhibition promotes T cell anergy under conditions that would normally induce priming.

体内研究中，在正常可激发免疫反应的条件下，抑制mTOR可促使T细胞无能。