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a variable domain
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  “a variable domain”译为未确定词的双语例句
     In order to overcome this difficulty, Liu Gao-Lian developed a variable domain variation finite element method, in which the unknown interfaces were regarded as the boundaries of one variable domain and considered as unknown parameters in the variable domain variation, so the solving of the unknown interfaces equations were coupled with the solving of the governing equations in fluid flow.
     刘高联针对未知界面问题发展了一种变域变分有限元方法,该方法将未知界面看作是一个变化区域的边界,采用变域变分将未知界面结合在变分泛函中,使其与求解流场的控制方程结合起来,从而将未知界面的求解和流场的求解完全耦合进行,因而是一种处理未知界面的独特工具,极适合于气动外形的设计求解。
短句来源
     FINITE ELEMENT METHOD OF THE QUASI-LINEAR PARABOLIC EQUATION IN A VARIABLE DOMAIN WITH APPLICATION TO THE STEFAN PROBLEM
     拟线性抛物型方程在变动区域中的有限元法及对Stefan问题的应用
短句来源
     Galerkin Finite Elemente method for Quasi-linear Parabolic Equation in a Variable Domain
     拟线性抛物型方程在变动区域中的Galerkin半离散有限元法
短句来源
     A Variable Domain Finite Element Scheme for Hyperbolic Equations
     应用于双曲型方程的变区域有限元法
短句来源
     A VARIABLE DOMAIN VARIATIONAL FINITE ELEMENT ANALYSIS OF FLOW AROUND PUMPJET
     应用变域变分原理与有限元法求解泵喷射推进器外流场
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  相似匹配句对
     A Survey of Variable Domain Transpiration Control Theory
     变域传热发汗控制理论研究综述
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     A Variable Domain Finite Element Scheme for Hyperbolic Equations
     应用于双曲型方程的变区域有限元法
短句来源
     On Selection of the Variable
     关于自变量的选择
短句来源
     Z-Quasialgebraic Domain
     Z-拟代数Domain
短句来源
     On Analysis of Variable
     论变量分析法
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  a variable domain
This variability is mainly correlated with the occurrence of a variable domain composed with two to five 1.6-kbp repeated units tandemly arrayed in the genome.
      
We have analyzed a variable domain of the mitochondrial DNA control region of 18 avian species.
      
The variational principle in terms of stream function Ψ for free surface gravity flow is discussed by the formulation of first-order variation in a variable domain.
      
In this paper, a brief review and generalization of studies on the heat transfer and heat conduction problem in a variable domain are presented.
      
Mathematical modeling of heat transfer process in a variable domain
      
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The optimal design of a six-bar linkage to be used in the main driving mechanism of a gear planer is discussed and treated as a multi-objective problem.To solve the minimax problem in a variable domain, a direct method of exploiting the intrinsic characteristics of the computer instead of introducing parameter constants is presented. To solve such a multi-objective problem, a modified linear weighted sum method with an additional conditional constraint is adopted and examples are provided.

本文首先讨论了在插齿机主传动机构中使用的六杆机构的优化设计问题,并建立了一个多目标数学模型.然后,提出了一种利用计算机本身特点而不引入参数约束条件的直接方法,来求解变区间中的函数极大值的极小化问题;提出了用多目标优化对可调机构的优化设计进行处理的方法;采用了一种带附加条件约束的修正线性加权方法来处理多目标优化问题.最后,对上述方法给出了应用实例和计算结果.

The variational principle in terms of stream function for free surface gravity flow is discussed by the formulation of first-order variation in a variable domain. Because of different transversal conditions adopted, there are four forms of variational principle in terms of

本文利用可变域泛函一阶变分表达式讨论了现有的几种自由面重力流ψ模式变分原理.证明了几种变分原理所以有差别是因为在自由表面采用的贯截条件不同,据此将ψ模式变分原理概括成四种类型.分析重力场中二维空腔流动时,根据有限元特点在空腔尾部置放一虚拟平板.计算中,每给出一个空腔长度,均可得到一收敛的自由表面,选取在脱流点流线光滑的曲线作为解答,从而得到空腔流动的一组可能解.此算法适用于单宽流量及总能头给定时通气空腔流动计算.最后,给出不同Fr数、空腔压力及坝面坡度等各种情况下的空腔长度曲线.

The ship domain is an important means in marine traffic simulation and research of ship collosion risks. As the normal ship domain cannot be applied to an narrow channol,espocially to an congested are a with many small crafts,the domain size should be reduced. However, if the domain is too small,the simulation will not be accurate enough and the extent of the traffic risk cannot be described objectively. This paper suggests that a variable domain and the target prediction be used to simulate the vessel...

The ship domain is an important means in marine traffic simulation and research of ship collosion risks. As the normal ship domain cannot be applied to an narrow channol,espocially to an congested are a with many small crafts,the domain size should be reduced. However, if the domain is too small,the simulation will not be accurate enough and the extent of the traffic risk cannot be described objectively. This paper suggests that a variable domain and the target prediction be used to simulate the vessel traffic in the narrow channel.

确定船舶领域是进行海上交通模拟以及研究船舶碰撞危险度的重要一环。在狭窄水道,特别是小船众多的拥挤水域,其船舶领域就不能按常规尺寸去确定,必须缩小.但船舶领域过小又会引起模拟结果不准,不能客观反映交通危险程度,为此本文提出了可变领域与目标预测的手段,对狭水道船舶交通进行模拟,取得较好的效果。

 
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