拓扑结构

Causes the image after computer processing, might the greatest degree retention phantom information, after simultaneously optimize the classified phantom, the main use was gains the object analysis situs and the structure information, it certain operations which affected mutually through the object and the structural element, obtained the object essence shape.

使得图像在计算机处理之后，可以最大程度的保留了影像的信息，同时优化了分类后的影像，主要用途是获取物体拓扑和结构信息，它通过物体和结构元素相互作用的某些运算，得到物体更本质的形态。

We have also shown that the collection of prime event structures on N can be endowed with the structure of a complete metric space, and in this space the collection of all universal homogeneous prime event structures is topologically large: it is the complement of a meager set.

我们也表明，集的主要事件结构对N可以赋予一个完整的度量空间结构，在该空间的主要活动是普遍均匀结构拓扑大：它是相辅相成的微薄的集合。

In addition, the return mapping algorithm is built in negative normal convex cone of violated constraints of level sets to conveniently give an initial structure with multi-constraints, multi-materials and non-design domains.

在这些研究的基础上，提出了适用于一般目标函数、多材料、多约束和多载荷工况的结构拓扑优化的水平集算法4.1，并给出了刚性结构、柔性机构和复合材料微结构设计算法5.1、6.1和7.1，以及大量的数值算例。

In the structural topology optimization process,the change of dead load must be considered.

桥梁结构一般受到恒载和活载的作用，在其结构的拓扑优化过程中必须考虑载荷的变化。

Based on the characteristic of various kinds of vehicle structure components in the vehicle industry, the general flow of structure topology optimization design is elaborated, and the status quo of application, development of the related representative topology optimization software is reported, including data transfer of Finite Element Analysis model, analysis computation, retrieval of optimization model of CAD.

针对车辆工程中不同车型部件结构的特点，阐述了结构拓扑优化设计的一般流程，报告了代表性较强的相关软件应用现状与发展，包括优化过程中有限元分析模型的数据转换？分析计算？CAD优化模型提取？对提高整车零部件刚度？

By analyzing the incidence matrix of chain structure model and tree structure model, incidence matrix was obtained, then topology information of basic network structures could be reflected.

通过对网络的链状和树状基本结构关联矩阵的分析，认为关联矩阵可以完全反映网络基本结构的拓扑信息。

We study the recursive structure of the twisted-cube connected network sufficiently, and prove that the twisted-cube connected network is an n regular graph with connectivity n: point out that the twisted-cube connected network is a cube-free network, which is an essential distinction with the hypercube and other variations of the hypercube; prove that the diameter of n dimensional twisted-cube connected network is [ (n+1)/2] , which is almost the half of hypercube's.

首先对其结构的递归性进行充分地研究，证明它是连通度为n的n正则图；指出扭立方体连接网络无立方体子图，这是扭立方体连接网络与超立方体及其其它变种的本质差别；证明了n维扭立方体连接网络的直径为[（n+1）/2]，它几乎是超立方体直径的一半；最后，给出超立方体及其变种的等价定义，并对它们的结构递归性、网络参数和拓扑性质等作了简单的分析、综合和比较。

According to engineering practical requirement,by adopting structural frequency sensitivity formula,a scheme dealing with a parameter calculation model for a structure and its structural optimal model is proposed in this paper,and a three-dimensional structure s frequency topologhy optimal method is developed.

根据工程实际要求，利用频率灵敏度公式，提出了结构特性参数计算模型与三维结构优化模型的处理方案，研究了三维结构的频率拓扑优化设计方法和算法。

By means of finite element-topological optimization method,firstly,the structure static analysis for the moving platen of injection molding machine was analyzed with Hyperworks software.The stress distributions were obtained veraciously,and then the structure of the moving platen was optimized according to the variable density method.

采用先进的有限元-拓扑优化方法，应用Hyperworks软件对注射机移动模板进行结构静力分析，准确获得应力分布，并按照变密度法对其进行结构优化，提出了移动模板材料的最佳分布方案，不仅提高产品设计刚度，还达到结构轻量化的目标。

By means of finite element-topological optimization method,firstly,the structure static analysis for the moving platen of injection molding machine was analyzed with hyperworks software.the stress distributions were obtained veraciously,and then the structure of the moving platen was optimized according to the variable density method.the best scheme of material distribution was proposed.the design stiffness of the product was improved;the aim of lightweight for the structure was also achieved.the process of...

采用先进的有限元-拓扑优化方法，应用hyperworks软件对注射机移动模板进行结构静力分析，准确获得应力分布，并按照变密度法对其进行结构优化，提出了移动模板材料的最佳分布方案，不仅提高产品设计刚度，还达到结构轻量化的目标。该分析及优化过程对目前应用较广的箱式模板设计具有重要的工程参考价值，能有效地解决工程设计中的实际问题。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新