1) Variable topology
变拓扑
1.
Dynamic modeling about system with variable topology was presented by use of theory of computational dynamics of multibody system.
利用计算多体系统动力学理论对变拓扑系统进行建模,引入拓扑切换条件解决以接触碰撞为特征的多刚体系统动力学的变拓扑问题,实现变拓扑系统的连续仿真。
2.
The main task of this dissertation is to study the dynamic modeling, simulation, and software implementation in multibody systems with variable topology.
本文的主要工作是围绕变拓扑多体系统的动力学建模、仿真计算与软件实现展开的。
2) topological transformation
拓扑变换
1.
Their topological transformation method is studied,and geometrical models for four topological structures of 6-PSS parallel mechanisms are given,which provide a theoretical basis and innovation method for the study of parallel mechanisms.
引入拓扑学理论,定义了并联机构的拓扑空间,分析了并联机构的拓扑特征;研究了并联机构的拓扑变换方法,给出了6-PSS并联机构的4种拓扑结构的几何模型,为并联机构构型的研究提供了理论基础和创新方法。
2.
A decoupling method of the fuzzy relational systems with typical topological transformations has been discussed.
针对模糊关系系统的解耦问题，提出了可解耦的充分条件及构造模糊串联补偿解耦器的具体方法；在此基础上，进一步讨论了在一类拓扑变换下模糊关系系统的解耦方法。
3.
A new technique for the topological transformation of knowledge models is introduced which can make probleim easier to solve and slinplify the problem-solving process.
综述了知识表示方法中现行的变换技术，指出了其局限性，并提出了一种既便于问题求解，又易于问题求解的新变换技术──知识模型的拓扑变换。
3) topology changes
拓扑变化
1.
New reanalysis method for topology changes of axial symmetric structures;
轴对称结构拓扑变化重分析的新方法
2.
Firstly,it can deal with non linear deformation of soft tissues without increasing much computation;secondly,it handles topology changes caused by surgery operations without need of solving the global FEM equations over the whole body.
该算法成功地扩展了实时有限元法 ,使之能够处理手术中经常发生的软组织非线性变形和拓扑变化 ,从而为手术模拟提供了更好的物理真实感。
4) topological variation
拓扑变化
1.
By use of topological variation and responses of trusses, all the information needed for structure analysis was obtained at the same time of generation of the truss structure, and the structure calculation can be performed conveniently in different cases.
利用拓扑变化的方法和桁架结构的受力特性,在生成结构的同时也形成了进行结构分析所需要的全部信息,进而可以方便地完成各种工况下的结构计算。
5) topological maps
拓扑变换
1.
The applications of some topological maps to solve problems of location between irregular surfaces in descriptive geometry are discussed with the examples.
对拓扑变换的作图原理进行了论述 ,对三种拓扑变换方法给出了证明 ,并举例说明几种变换方法在解决画法几何中不规则曲面间定位问题中的应
2.
When making topological maps with projection between two spaces,the center projection,parallel projection and radius projection are more used,while the drawing of topological transformation by the plane and cylinder is less used.
在采用投射法建立两空间的拓扑对应时，以中心投射、平行投射、辐向投射较多，而借助于平面、柱面折射进行拓扑变换的作图极少。
6) topological change
拓扑变化
1.
Its advantage is that it is not needed to resolve a set of linear equations reiteratively when the static response is computed;instead,the calculation of the static response can be completed by means of the structure topological change,which saves a mount of c.
结果表明,在计算静力响应时,不需反复求解线性方程组,只需经过结构拓扑变化实现,节省了大量的计算时间。
补充资料：拓扑结构(拓扑)
拓扑结构(拓扑)
topologies 1 structure (topology)
拓扑结构(拓扑)【t哪d哈eal structure(to和如罗);TO-no“orHtlec~cTpyKTypa」，开拓扑(oPen to和fogy)，相应地，闭拓扑(closed topofogy) 集合X的一个子集族必(相应地居)，满足下述J胜质: 1.集合x，以及空集叻，都是族。(相应地容)的元素. 2。(相应地2劝.。中有限个元素的交集(相应地，居中有限个元素的并集)，以及已中任意多个元素的并集(相应地，居中任意多个元素的交集)，都是该族中的元素. 在集合X上引进或定义了拓扑结构(简称拓扑)，该集合就称为拓扑空间(topological sPace)，其夕。素称为.l5(points)，族份(相应地居)中元素称为这个拓扑空问的开(open)(相应地，闭(closed))集. 若X的子集族份或莎之一已经定义，并满足性质l及2。。(或相应地l及2衬，则另一个族可以对偶地定义为第一个集族中元素的补集族. fl .C .A二eKeaH及pos撰[补注1亦见拓扑学(zopolo群);拓扑空l’ed(toPo1O廖-c:，l印aee);一般拓扑学(general toPO】ogy).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条