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最优拓扑
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  optimal topology
     Research on Optimal Topology Control of Adaptive Truss Structure Based on Mech- Electric Coupling
     基于机电耦合的自适应桁架结构最优拓扑控制
短句来源
     The structure topology optimization design is a kind of conceptual design, and it is of the purpose that seeking the optimal topology decision for structure before shape and size optimization, which could avoid non-intention in the design procedure.
     结构拓扑优化设计属于概念设计,即在进行形状优化和尺寸优化前,寻求结构的最优拓扑形式,这样可以避免了设计过程中的盲目性。
短句来源
     It is shown from numerical examples that the number of overlapping bars in the final optimal topology can be reduced to some extent by employing this approach, which is meaningful for real-life engineering structural design.
     最后,通过将节点造价引入问题的目标函数,我们可以在一定程度上减少最优拓扑中相互重叠的杆件数目,这对实际的工程结构设计是很有意义的。 需要指出的是,对很多方法和软件来说,能不能计算大型问题是关系到这些方法和软件能否付之实用的关键问题。
短句来源
     Different from the general topology optimization design, both the optimal topology and the optimal shape and size can be obtained.
     这类问题不同于一般意义的拓扑优化问题 ,其优化结果不仅得到最优拓扑 ,而且得到最优形状和尺寸。
短句来源
     The optimal topology solution would not be left out, and the topology space is reduced.
     在不会遗漏最优拓扑解的前提下 ,使寻优拓扑空间缩小。
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  “最优拓扑”译为未确定词的双语例句
     Adaptive truss structure as research object, the theory of structure topology optimization has been developed, and been applied in the optimize topology control for the adaptive structure.
     以自适应桁架结构为研究对象,发展了结构拓扑优化的理论,并将其应用于自适应结构的最优拓控制之中.首先求出了结构在设计荷载作用下的最优拓扑,然后考虑了两种情况下结构的拓扑重构;
短句来源
     In this paper, the member forces of space truss are considered as design variables, linear programming model of topology optimization is given under multiple loading conditions, stress and strain constraints are considered, and singular optima topology and unstable structure are avoided.
     本文以杆件内力为设计变量,构造了多工况作用下空间桁架结构拓扑优化的线性规划模型,考虑了应力和位移约束,能够避免奇异最优拓扑和不稳定结构的产生。
短句来源
     The optimal values of the topologic parameters for the DOLDL are obtained by using the algorithm.
     提出了DOLDL的优化拓扑算法,获得了其最优拓扑参数结果;
短句来源
     The main idea of the multilevel optimization method is to partition the load cases into several levels according to their magnitude.
     分层优化方法的基本思想是按载荷大小分为几个层次 ,后面层次的拓扑优化以前面层次得到的最优拓扑为基础 ,通过逐层优化 ,最终得到最优结构。
短句来源
     The newly developed Level Set Method falls in the category of Evolutionary methods.
     但是,常规的水平集方法是通过边界的演化、移动和融合实现结构拓扑的变更,获得最优拓扑,因而不能在优化过程中产生新孔。
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  相似匹配句对
     Research on Optimal Topology Control of Adaptive Truss Structure Based on Mech- Electric Coupling
     基于机电耦合的自适应桁架结构最优拓扑控制
短句来源
     Fuzzy Topological Space
     F拓扑空间
短句来源
     Optimal Configuration Topological Transformation of Modular Self-Reconfigurable Robots
     模块化自重构机器人最优构形拓扑转换
短句来源
     Topological Stereochemistry
     拓扑立体化学
短句来源
     Optimal Design of Electric Transmission Network Planning
     输电网最优设计
短句来源
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  optimal topology
Usually, an optimal topology is obtained by optimizing the material distribution within a prescribed domain; for example, a rectangular domain with a specified length and width for a plane problem.
      
aspect ratio) of a rectangular design domain have significant influence on the resultant optimal topology.
      
Results show that as the value of the bending moment increases relative to the shear force, the optimal topology changes from a truss-like structure to a vertically stiffened box-like structure.
      
A major obstacle to topological optimization is that the optimal topology might correspond to a singular point in the design space.
      
Optimal topology of trusses or perforated deep beams with rotational restraints at both ends
      
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In this paper, the application of signal flow graph and Mason's formula is generalized for sampled data system. A new kind of sampled signal flow graph as well as a new algorithm for calculating z-transform output, continuous output and the modified z-transform output are recommended. According to this algorithm, the sampled signal flow graph can be constructed by block diagram with only one step. Moreover, anoptimum topological algorithm for calculating output of sampled data matrix signal flow graph is also...

In this paper, the application of signal flow graph and Mason's formula is generalized for sampled data system. A new kind of sampled signal flow graph as well as a new algorithm for calculating z-transform output, continuous output and the modified z-transform output are recommended. According to this algorithm, the sampled signal flow graph can be constructed by block diagram with only one step. Moreover, anoptimum topological algorithm for calculating output of sampled data matrix signal flow graph is also presented.

本文用新的原理推广了信号流图和梅逊公式在采样数据系统中的应用,提出了“新采样信号流图”,以及相应的计算单输入、单输出周期采样数据系统的采样输出、连续输出和广义采样输出的新计算方法。根据新计算方法,可利用系统方块图一步构造出新采样信号流图,并可直接计算出采样数据系统的三种输出量。这种方法比目前利用系统方块图构造“原始信号流图”,“采样信号流图”和“复合信号流图”再进行计算的方法简单、方便,计算量亦大为减少。对于一般采样数据系统,通过心算就能得到输出量结果。对于多速采样数据系统,只要将系统稍加变换,新计算方法仍能适用。本文还给出了计算多变量采样数据系统输出量的最优拓扑方法。

This paper presents a new distributed optimal local double loop(DOLDL) network. Emphasis is laid on the optimal topology and distributed routing algorithms for the DOLDL. On the basis of building an abstract model, a number of definitiOns and theorems are described and analysed, An algorithm which can optimize the double loop topology is brought forth. The optimal values of the topologic parameters for the DOLDL are obtained by using the algorithm. A distributed routing algorithm is also proposed. The correctness...

This paper presents a new distributed optimal local double loop(DOLDL) network. Emphasis is laid on the optimal topology and distributed routing algorithms for the DOLDL. On the basis of building an abstract model, a number of definitiOns and theorems are described and analysed, An algorithm which can optimize the double loop topology is brought forth. The optimal values of the topologic parameters for the DOLDL are obtained by using the algorithm. A distributed routing algorithm is also proposed. The correctness and robustness of the algorithm are verified through simulation.

本文提出了一种新的分布式最优化局部双环(DOLDL)网络。重点研讨了这类网络的拓扑优化及分布式路由算法。文中先建立了一种抽象描述模型,描述和论证了有关定义和定理;提出了DOLDL的优化拓扑算法,获得了其最优拓扑参数结果;然后提出了一种适应于DOLDL网络的分布式路由算法,并对其正确性和坚定性进行了模拟验证。

In this paper, the member forces of space truss are considered as design variables, linear programming model of topology optimization is given under multiple loading conditions, stress and strain constraints are considered, and singular optima topology and unstable structure are avoided.

本文以杆件内力为设计变量,构造了多工况作用下空间桁架结构拓扑优化的线性规划模型,考虑了应力和位移约束,能够避免奇异最优拓扑和不稳定结构的产生。

 
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