离散位错动力学,discrete dislocation dynamics
1)discrete dislocation dynamics离散位错动力学
1.The effect of boundary conditions on computer simulating dislocation patterns of a fatigued copper single crystals was studied by using the method of discrete dislocation dynamics in two-dimensional system.利用二维离散位错动力学方法,研究了边界条件对计算机模拟疲劳Cu单晶位错花样的影响,结果表明:边界条件在模拟位错花样这类多体问题时是非常重要的;在其它模拟机制均完全相同的情况下,不同边界条件会形成不同的模拟结果,自由空间边界条件是最简单、也是最不现实的边界条件,模拟结果与实验结果相差甚远;而一维最近邻周期性边界条件与二维近邻周期性边界条件的模拟结果基本相同,与Cu单晶早期疲劳位错花样的实验比较吻合。
2)three-dimensional discrete dislocation dynamics三维离散位错动力学
1.At the mesoscale, the three-dimensional discrete dislocation dynamics (3DDD) is constructed and us.在细观尺度上,建立了三维离散位错动力学(3DDD)模型,并模拟了位错克服氦团簇的热激活滑移过程。
3)dislocation dynamics位错动力学
1.Based on the orderd cluster and dislocation, Crystallization of metal glass to nanocrystalline under shock wave is discussed by using dislocation dynamics.从非晶的有序原子集团(ordered cluster)和位错模型出发,利用位错动力学讨论了在激波作用下,非晶合金晶化为纳米晶的过程。
2.An attempt is made to elaborate the definition of the coefficient of strain-rate sensitivity, which is a fundamental concept for macroscopic dynamic plasticity and dislocation dynamics.应变率敏感系数是宏观塑性动力学和位错动力学的一个基本概念,本文试图对其进行了重新解释。
3.In the present work,the flow stress of FeCrNi alloy is divided into two parts,athermal stress(long- range)and thermally activated stress(short-range),based on the dislocation dynamics of plastic deformation of metal material.以金属材料塑性变形的位错动力学为基础,将FeCrNi合金的流动应力分解为非热应力和热激活应力两部分。
4)discrete dynamical model离散动力学
1.In this paper the structures with sliding isolated base during earthquake have been investigated and a discrete dynamical model has been established.据此,调查了在地震作用下带滑动基础或基础隔振器结构,并建立其Stick-slip运动的离散动力学模型,指出了系统的复杂的非线性特性。
英文短句/例句

1.Discrete Dynamics Simulation on Developing Process of Aeolian Sand Saltation风沙跃移运动发展过程的离散动力学模拟
2.Dynamical Behavior Analysis of Several Class of Discrete-time Neural Network Models;几类离散神经网络模型的动力学分析
3.Dynamic Analysis of Several Classes of Discrete Neural Network Models;几类离散细胞神经网络的动力学分析
4.Dynamic Qualitative Study for One Class of Discrete Neural Network Models with Two Neurons;一类二元离散神经网络的动力学性质
5.Study on Grinding Mechanism of Disperse Milling Medium Dynamical for Vibration Mill振动磨机离散磨介动力学碎磨机理研究
6.Analysis of Dynamic Properties of Difference Equations and Discrete Neural Networks;差分方程及离散神经网络的动力学性质分析
7.Spatio-temporal Dynamics of Nonlinear Mathematical Biology Discrete Models;非线性生物数学离散模型的时空动力性
8.The Investigation on Symmetry and Conserved Quantity of Discrete Constrained Dynamical System;离散约束动力学系统的对称性质与守恒量研究
9.On dynamics of discrete model based on investment competition;基于投资竞赛的离散模型的动力学行为分析
10.Diffuse Dynamics of Double Glow Plasma Hydrogen-Free Carburizing on Ti6Al4VTi6Al4V双层辉光离子无氢渗碳扩散动力学(英文)
11.Study of Discrete and Reaction-diffusion Biological Dynamic System离散及反应—扩散生物动力系统的研究
12.The Application of Biological Stoichiometry to the Discrete Biodynamics System;生物化学计量学原理在离散生物动力系统中的应用
13.Improving the Thought Ability in Discrete Mathematics Teaching;离散数学教学中学生思维能力的培养
14.The state space expression of the discrete time varying dynamic system is developed firstly.建立了该离散时变动力学系统的状态空间表达式。
15.Two kinds of finite-dimensional equation about the flexible beam have been established by use of the unconstrainted modes of vibration and the constrainted modes of vibration respectively.分别利用非约束模态和约束模态建立了相应的离散化动力学方程。
16.Discrete Time Transfer Matrix Method of Multibody System and Its Application in Shipboard Gun Dynamics;多体系统离散时间传递矩阵法及其在舰炮动力学中的应用
17.Study on Corrosion Behaviour of Metal/Polymer Composite and Diffusion Dynamics of Metal Ion;金属/聚合物复合材料的腐蚀行为和金属离子扩散动力学研究
18.On the Dynamical Behaviors in Discrete Lotka-Volterra Competitive System with Feedback Controls具有反馈控制的离散型Lotka-Volterra竞争系统动力学性质研究
相关短句/例句

three-dimensional discrete dislocation dynamics三维离散位错动力学
1.At the mesoscale, the three-dimensional discrete dislocation dynamics (3DDD) is constructed and us.在细观尺度上,建立了三维离散位错动力学(3DDD)模型,并模拟了位错克服氦团簇的热激活滑移过程。
3)dislocation dynamics位错动力学
1.Based on the orderd cluster and dislocation, Crystallization of metal glass to nanocrystalline under shock wave is discussed by using dislocation dynamics.从非晶的有序原子集团(ordered cluster)和位错模型出发,利用位错动力学讨论了在激波作用下,非晶合金晶化为纳米晶的过程。
2.An attempt is made to elaborate the definition of the coefficient of strain-rate sensitivity, which is a fundamental concept for macroscopic dynamic plasticity and dislocation dynamics.应变率敏感系数是宏观塑性动力学和位错动力学的一个基本概念,本文试图对其进行了重新解释。
3.In the present work,the flow stress of FeCrNi alloy is divided into two parts,athermal stress(long- range)and thermally activated stress(short-range),based on the dislocation dynamics of plastic deformation of metal material.以金属材料塑性变形的位错动力学为基础,将FeCrNi合金的流动应力分解为非热应力和热激活应力两部分。
4)discrete dynamical model离散动力学
1.In this paper the structures with sliding isolated base during earthquake have been investigated and a discrete dynamical model has been established.据此,调查了在地震作用下带滑动基础或基础隔振器结构,并建立其Stick-slip运动的离散动力学模型,指出了系统的复杂的非线性特性。
5)kinetics of dislocation motion位错运动动力学
6)Dislocation dynamics simulation位错动力学模拟
延伸阅读

离散时间周期序列的离散傅里叶级数表示   (1)  式中χ((n))N为一离散时间周期序列,其周期为N点,即  式中r为任意整数。X((k))N为频域周期序列,其周期亦为N点,即X(k)=X(k+lN),式中l为任意整数。    从式(1)可导出已知X((k))N求χ((n))N的关系   (2)  式(1)和式(2)称为离散傅里叶级数对。    当离散时间周期序列整体向左移位m时,移位后的序列为χ((n+m))N,如果χ((n))N的离散傅里叶级数(DFS)表示为,则χ((n+m))N的DFS表示为