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constraint relation
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  约束关系
     Research on Constraint Relation Analysis and Collision Detection in Virtual Assembly Based on CATIA/CAA
     基于CATIA/CAA的虚拟装配约束关系分析与干涉检查研究
短句来源
     The methods for adopting constraint relation and script controlling to build kinematics simulation of mechanism were studied in JACK system,their condition,range and the limitation also were analyzed. A method combining script controlling with constraint was presented.
     在JACK软件平台下,研究了采用约束关系建立机构运动仿真和采用脚本控制建立机构运动仿真的方法,并进一步分析了这两种方法的适用条件、范围以及其局限性,提出采用约束关系与脚本控制相结合的方法来建立机构的运动仿真;
短句来源
     Automatically Identifying and Extracting on Feature and Constraint Relation in CAD Drawing Database
     CAD图形数据库中特征关系和约束关系的自动识别和提取
短句来源
     s:The text emphatically describes the creating way, parameter description, geometric constraint relation and assembling relationship for a machine's motion function module, and develops corresponding CAD software system (MGSCAD) for overall structure placement plan of a machine. Application examples are given.
     着重阐述了机床运动功能模块的创成方法、参数描述、几何约束关系及装配关系 ,并开发了相应的机床总体结构布局方案CAD软件系统 (MGSCAD) ,给出了应用实例。
短句来源
     With the dimension ID and constraint relation between dimension and primitives, this paper has also realized the dimension-driven design.
     通过尺寸实体对象标识符(ID)及尺寸与图元的约束关系,实现了尺寸驱动的参数化变动设计。
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  “constraint relation”译为未确定词的双语例句
     At last, the auto-assembly of TFE was realized by matching the constraint relation.
     通过配合约束实现薄膜蒸发器的自动装配,同时实现对过程装配的干涉检查。
短句来源
     In order to compute punishing value resulting from operation sequencing violating constraint, the constraint relation of machining operation sequence is analyzed, and the model is built for it.
     为了计算加工序列违反约束的惩罚值, 分析了特征加工序列约束,建立了加工序列约束模型;
短句来源
     In this paper, according to heuristic routing rules and constraint relation of pins, we propose a concept of constraint link and construct a distance function to solve the conflicts in constraint link.
     本文根据端点分配中的一些启发式原则以及端点间的制约关系,提出了制约关系链的概念,并为解决链中的矛盾构造了距离函数。
短句来源
     Based on the relation between coal mining and development, the technical rules for replacement of coal mining and heading faces and their constraint relation are investigated. Based on which an expert system is established. Trials of history 6a are made with good economic and social benefits.
     针对煤矿处理采掘关系,探讨了目前已归纳出的采煤接替、掘进接替和反映采掘制约关系的技术规则.在此基础上研制的专家系统,经过历时6a的试用,取得了良好的经济和社会效益.
短句来源
     In this paper, for a computing scheme the Basset force term is constructed and then the numerical method for solving the motion equation of dilute particles is carefully researched for which a difference scheme called P(EC) k multi step method is presented. The convergence and algorithm accuracy of the numerical method are briefly analyzed, and a constraint relation which discrete time step length must satisfy is presented.
     本文首先对方程中Basset力项构造了适当的计算格式,然后详细研究了颗粒运动方程的数值计算方法并提出称之为P(EC)k多步法的差分格式,简要分析了该格式的收敛性和代数精度,给出了时域离散步长必须满足的条件。
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  相似匹配句对
     relation.
     关系;
短句来源
     the relation (?)
     L上的关系(?)
短句来源
     The Programming Problem with Relation Inequality Constraint
     具有关系不等式约束的规划问题
短句来源
     Assembly Plans Based on Constraint Relation
     基于约束关系的装配规划
短句来源
     Constraint of Powers
     论权力制约
短句来源
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  constraint relation
It also has a set of constraints, each of which restricts the variables in its scope to take values limited by its constraint relation.
      
Numerical solution is also obtained for travelling wave with or without the assumption of the constraint relation.
      
It is found that an exact solution of the KdVB equation is obtained by tanh-method, provided the parameters involved satisfy a constraint relation.
      
The locations of the dense areas in the sparse matrix are known and generated from the constraint relation between bodies.
      
This method is based on the possibly interpretation of constraint relation symbols over the intervals.
      
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The author applies constraint relations, projective method and matrix operations to the displacement analyses of spatial RSCR, RRSRR, RRRSR, RERRR, and RRERR mechanisms. Derivations of displace-ment equations are simple and intuitive. Based on this, the auther has developed a parametric equation for the coupler curve of the spatial RRRSR mechanism, and proved for the first time that the coupler curve is of the 32nd order. Finally, the imaginary point on the coupler curve is discussed.

本文运用了约束关系式、投影和矩阵运算等方法对空间RSCR、RRSRR、RRRSR、RERRR和RRERR等机构的位移进行分析。所用方法简单,推导过程直观。在这基础上,作者导出空间RRRSR机构连杆曲线的参数表达式,并首次求得该连杆曲线的阶数为32阶。此外,还讨论了连杆曲线的虚点问题。

Following Wittenburg[2], and utilizing the viewpoint of graph theory, this paper analyses the structure for a treeshaped system of an arbitrary number of interconnected rigid bodies. It brings up a dynamical model of overlapping subtreeshaped structure and a definition of the so-called artery graph and modifies the idea of augmented body so that the equivalent dynamical decomposition of the system can be carried out.By specifying certain symbols and rules of calculation, this ariticle sets up generalized dynamical...

Following Wittenburg[2], and utilizing the viewpoint of graph theory, this paper analyses the structure for a treeshaped system of an arbitrary number of interconnected rigid bodies. It brings up a dynamical model of overlapping subtreeshaped structure and a definition of the so-called artery graph and modifies the idea of augmented body so that the equivalent dynamical decomposition of the system can be carried out.By specifying certain symbols and rules of calculation, this ariticle sets up generalized dynamical equations for the tree-shaped multi-rigid-body system in a rather compact matrix form.Thus after introducing the hinge matrix both the constraint relations and the kinematics of the system are written in matrix form. Finally the dynamical equations are expressed in terms of generalized coordinates so that they can be used for computer programming.

本文继J.wittenburg,之后用图论的观点分析树形多刚体系统的结构,提出重叠子树结构的力学模型及脉络图定义,改进了增广体的概念从而使系统可以进行动力学等效分解。在规定一些符号及运算规则以后使用紧凑的矩阵形式导出树形多刚体系统动力学普遍方程组。在引进铰链矩阵以后系统的约束和运动学关系都写成矩阵形式,从而导出以广义坐标表出的动力学方程组,便于进行数值计算的程序设计。

In this paper a method with algorithm flow-chart is presented for determin- ing the wheel/rail spatial geometric constraint relations for arbitrary wheel and rail profiles. A practical example is given. It's analytical results are validated by experimental data obtained with a simulating apparatus developed and designed by the author.

本文提出的空间轮轨几何约束的计算方法和计算流程,适用于县有任意轮廓形状的轮对和钢轨。文中给出计算实例,其计算结果通过作者设计的轮轨模拟试验台实测数据得到验证。

 
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