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   mass properties 的翻译结果: 查询用时:0.025秒
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计算机软件及计算机应用
航空航天科学与工程
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mass properties
相关语句
  质量特性
     Aircraft Mass Properties Database
     飞机质量特性数据库MDB
短句来源
     The system can manage data effectively and systematically in realtime, and monitor, track and record the changes of mass properties of parts and components during the design process.
     系统具备了各型号飞机从设计、发图到生产过程中的全部质量特性数据管理和分析计算的功能,能够实时、系统、有效地管理数据,监督、跟踪、记录飞机零件、部件以至全机在研制过程中的质量特性变化。
短句来源
     This paper is only a summary of the Mass Properties database in CIEM system.
     本文仅对CIEM系统的质量特性数据库MDB作一概要介绍.
短句来源
     Make the Mass Properties analysis of the Rear-Door and according to the result do the Finite Element Analysis to check out whether the element stress is satisfactory.
     最后通过Weight Management等功能对轿车后车门进行质量特性分析,以此为基础进行有限元计算,检验轿车后车门铰链的受力情况,对产品进行优化。
     It is proved that the system's structure model is correct, the database model is proper and effective, and the result is accurate by building up and managing one aircraft's whole mass properties database.
     通过对已有飞机型号完整的质量特性数据库的建立和管理,表明系统的结构模型是正确的,数据库模型合理有效,质量特性计算准确、快速。
短句来源
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  “mass properties”译为未确定词的双语例句
     Calculates and analyses the U-tube heat exchanger heat flux and the temperature field of the soil around borehole and. Analyses the influencing effect to heat flux and the temperature field of the soil by different factors, such as the depth of U-tubes, the inlet temperature, flow of mass, properties of soil and distance between two tubes of the U-tubes.
     并利用有限元方法,建立轴向和径向的二维模型对埋地换热器在土壤中传热过程进行计算,得到埋管换热器传热量及附近土壤温度场的变化情况,并分析了不同埋管深度、U型埋管进液温度和流量、土壤热物性和U型埋管两支管中心间距等因素对U型埋管换热器传热量的影响。
短句来源
     The computation of mass properties adopts the discrete integration combined with the graphic construction of the SRM structure, assuring the internal data coherence.
     对于质量特性的计算采用了离散积分的方法与发动机结构的图形构造结合起来,从而保证了数据的内在统一性并可以达到较高的计算精度。
短句来源
     Precipitation seeps through soil in the form of liquid,the rate of net infiltration is influenced by such factors as soil mass properties,moisture content,pore water pressure and dissipation of vapor in soil mass etc.
     降雨以液体形式入渗到土体中,净入渗量受土体性质、含水率、孔隙水压力、土体中水蒸气的消散度等因素的影响。
短句来源
     Based on the mass properties of each component of a flapping vehicle are generally measurable and constant we set up the corresponding equations of motion for flapping flight.
     基于各部件质量的可测性且为常数的特点建立相应的扑翼运动方程。
短句来源
     By developing mass properties,aerodynamic forces,aeroheating,scramjet,control and trajectory performance models,considering of the reference mission design requirements,an optimization process of 6 design parameters basing on the newly developed parallel collaborative hybrid GA was performed to minimize gross lift-off weight (GLOW) of hypersonic cruise vehicle.
     通过建立高超声速巡航飞行器质量模型、气动力估算模型、气动热估算模型、超燃冲压发动机性能分析模型、控制模型和弹道分析模型 ,在满足参考任务要求的前题下 ,以飞行器起飞质量为目标函数 ,将并联协作混合遗传算法应用于最优总体方案和超燃冲压发动机方案一体化设计 ,完成了 6设计变量的全局优化计算。
短句来源
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  相似匹配句对
     Mass.
     Mass .
短句来源
     The Properties of Effective Mass of Polaron
     极化子有效质量的性质
短句来源
     Aircraft Mass Properties Database
     飞机质量特性数据库MDB
短句来源
     Properties of Z - Space
     关于Z-空间的性质
短句来源
     The Mass and the Weight
     质量与重量
短句来源
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  mass properties
Three approaches to the problem of 1-D wave propagation in media with random elastic and mass properties are studied: (i) method of integral spectral decomposition, (ii) the Fokker-Plank-Kolmogorov equation, and (iii) the Dyson integral equation.
      
By lumping the mass properties of the beam at discrete points, approximate modes and upper and lower bounds to approximate natural frequencies are obtained essentially by a simple iteration scheme.
      
The method is able to detect loss of both stiffness and mass properties, even though in this paper only the loss of stiffness will be analyzed.
      
The volume-mass properties of unwoven fibrous needle-pierced materials in and outside of the zones created as a result of the action of needles were calculated.
      
Volume-mass properties of layered unwoven needle-pierced fibrous materials (volume approach)
      
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Based upon the Ricoati transfer matrix method and Wilson-θ integration technique, a method is presented for efficiently calculating the transient response of rotor-bearing systems. The flexible rotor supported in fluid film beamings may be excited by any arbitary force f(t) or subjected to the base excitation. Each pedestal inoludes stiffness, damping and mass properties. The proposed method is numerically stable and easy to program. Several numerical examples are given and the results show that the numerical...

Based upon the Ricoati transfer matrix method and Wilson-θ integration technique, a method is presented for efficiently calculating the transient response of rotor-bearing systems. The flexible rotor supported in fluid film beamings may be excited by any arbitary force f(t) or subjected to the base excitation. Each pedestal inoludes stiffness, damping and mass properties. The proposed method is numerically stable and easy to program. Several numerical examples are given and the results show that the numerical procedure is very efficient.

基于Riccati传递矩阵法和Wilson-θ积分法.本文给出一种计算转子——轴承系统瞬态响应的有效方法.具有滑动轴承的柔性转子可受任意力f(t)或基础运动的激励.轴承座和基础简化为质量、阻尼器和弹簧模型.本文提供的方法具有数值稳定和程序简单的优点.几个算例说明这种数值解法是很有效的.

In this paper,a general sweep technique in 3D solid modeling is presented.According to this tech-nique,a general sweep primitive generator system,GSP system,is built on the basis of PLAN-SMITH,in order to improve the constructor of solid modeling system and extend the range and ability ofmodeling.This system allows sweeps with one,tow,or several closed 2D contour along a 3D trajecto-ry,thus produces a complex 3D primitive solid.An interface with PLAN- I system is designed,so thesweep primitives can do post-processes...

In this paper,a general sweep technique in 3D solid modeling is presented.According to this tech-nique,a general sweep primitive generator system,GSP system,is built on the basis of PLAN-SMITH,in order to improve the constructor of solid modeling system and extend the range and ability ofmodeling.This system allows sweeps with one,tow,or several closed 2D contour along a 3D trajecto-ry,thus produces a complex 3D primitive solid.An interface with PLAN- I system is designed,so thesweep primitives can do post-processes like Boolean operation,shading,mass properties calculations,FEanalysis,etc.in PLAN- I.In addition,the application of general sweep technique on polyhedron cornerrounding,and intersection line smoothing between two quadratic surfaces,is preliminarily studied inthis paper.

本文对三维立体造型中的一般扫描技术进行了研究,并在PLAN-SMITH的基础上,研制了一个采用一般扫描技术构造三维扫描体素的GSP系统,用以丰富立体造型系统的形体构造器,扩大形体的几何覆盖域和造型功能。该系统的主要功能有:等截面扫描、变截面扫描、平滑过渡扫描及多控制面扫描,可在一给定的三维轴线上对一个、二个或多个二维廓线进行扫描操作。该系统生成的一般扫描体素可参与PLAN-I中的布尔运算、真实感显示、物性计算、有限元分析及NC轨迹自动生成等后续处理。另外,本文还对一般扫描技术在多面体棱角倒圆及二维曲面相贯线间的圆角平滑问题上的应用作了一些初步的探讨。

A computer aided system for missile arrangement has been presented. The arranging of on-board Parts is realized with solid modeling. In the system, the interference between two parts is detected by the polyhedral intersection algorithm, the minimum distance between two.parts is calculated by the hierarchical polyhedron algorithm. The mass properties of the parts arc calculated by the improved triangular pyramid dividing algorithm. The interactive and graphic technologies are utilized in the system to draw...

A computer aided system for missile arrangement has been presented. The arranging of on-board Parts is realized with solid modeling. In the system, the interference between two parts is detected by the polyhedral intersection algorithm, the minimum distance between two.parts is calculated by the hierarchical polyhedron algorithm. The mass properties of the parts arc calculated by the improved triangular pyramid dividing algorithm. The interactive and graphic technologies are utilized in the system to draw the two-dimension engineering drawing by the plotter. As an example, the arrangement for a cabin of missile has been given.

本文介绍了一种计算机辅助导弹部位安排系统。该系统利用计算机实体造型技术实现导弹部位安排;利用多面体求交法进行干涉检查;应用两多面体之间点、线、面的分层计算法计算部件间的最小间隙;采用改进的三棱锥分割算法计算部件的质量特性。系统采用人机交互与图形显示技术,在绘图机上输出了二維部位安排图。作为实例,文中介绍了某型导弹一个舱段的部位安排。

 
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