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- Three dimensional model of waterjet propulsion is founded and composite grid distribution method is adopted to improve calculating precision. 用数值方法建立喷水推进器的三维数学模型,用混合网格布置方法提高计算精度。
- In conclusion, development of a three dimensional model of the ionospheric conductivity is necessary in discussion on some problems about ionospheric wind dynamo theory. 由此得出结论:发展三维电导率模型对于电离层风发电机理论是必要的。
- These highly accurate measurements are then processed, using proprietary software, to produce a detailed three dimensional model of the street corridor and overhead features. 这些高度的精确测量,然后加工,使用专有软件。制作详细的三维模型的街走廊和间接的特点。
- A three dimensional model for fluid flow and heat transfer in sodium pool of a fast breeder reactor(FBR) is built on mass, momentum and energy conservation laws. 针对快中子增殖反应堆钠池的流动传热特点,以质量、动量、能量守恒定律为基础,建立有关快堆钠池流动传热的三维数学模型。
- Based on analyzing the figure features and constructing a three dimensional model of trousers,the principles and regulations of trousers dart design were studied in this paper. 通过对人体体形特征的分析以及裤装立体模型的建立 ;研究分析了裤装结构中省的设计原理及规律 .
- Methods:After preprocessing the acquired CT data and designing the coordinate sy stem,we use the Marching Cubes Algorithim method to generate a three dimensional model . 方法:利用计算机和图像处理技术对患者的颅颌面CT原始资料进行预处理,采用移动立方体算法重建三维模型。
- Three dimensional model of axial waterjet pump is established by using numerical method and the composite grid distribution method is used to improve the calculating precision. 用数值方法建立轴流泵的三维数学模型,用混合网格布置方法提高计算精度。
- By using SOLID module of GMS software and interpolating method between the drills, the three dimensional model containing water system in Songbei district was established. 利用GMS(地下水流模拟系统)软件中SOLID模块,采用钻孔间插值法建立松北区含水系统三维立体模型,进行地下水壅高计算,给出地下水位临界深度,确定研究区内浸没范围;
- To advance the development of CFG pile composite foundation, the three dimensional model was constructed based on FLAC-3D, and in-depth analysis and study was performed for the work character of CFG pile composite foundation. 为促进CFG桩复合地基的应用与发展,本文利用FLAC-3D建立三维弹塑性模型,对CFG群桩复合地基的工作性状进行了较为深入的分析与研究,并将最小二乘支持向量机应用于CFG桩复合地基的承载力预测中。
- Use the PRO/E software to make the three dimensional model,and use the I-DEAS software to analyze the static intensity,the tennis wheelchair of easy operation、security、comfort has been designed. 采用了PRO/E软件进行三维实体造型,并利用I-DEAS软件对网球轮椅进行了静态强度分析,设计出了操作方便、安全,舒适的网球轮椅。
- The three dimensional modeling and the principle of design of rimed turbine blisks were discussed. 本文论述了带冠整体涡轮的三维造型以及成型电极的设计原则;
- Based on the hydrographic data of Nanfeihe River, the water quality model is established by the use of a one dimensional model. 根据南淝河的水文资料,选用一维稳态模型来模拟水质。
- By way of putting up three dimensional modeling of the planting apparatus of disjoined-soil-boots, virtual prototype has been established. 根据棉花移栽的特殊需要设计了分土靴式栽植器,减少了移栽过程的钵苗损伤,并保证了立苗率。
- The bed evolution of the Tali river and Chi-Chi weir of Choshui river basin were simulated by alluvial river-movable bed-two dimensional model. 集水区地文性土壤冲淤模式结合地理资讯系统,可有效处理集水区之水文及地文特性参数,无须简化水文及地文条件,亦可迅速更新集水区之水文及地文资料,更符合集水区之现况。
- A two dimensional mathematical model for CAC was established,and was transformed into one dimensional model under the simplified conditions. 在一定条件下经过适当转化,二维稳态CAC过程可转化为一维非稳定色谱过程。
- A kind of CAGD algorithm with two dimensional and three dimensional modeling function is presented ,aiming at the design ,production and simulation of ships. 针对船舶的设计、制造与模拟,提出一种具有二维、三维造型功能的交互式CAGD(计算机辅助几何设计)算法,其中各种造型及修改功能都具有较好的用户接口
- Then dimensional chains are automatically created by using dimensional model of feature primitive and locational constraints in the process of features combination. 然后利用特征形素自身的尺寸模式,以及特征组合过程中的定位约束自动生成尺寸链;
- With the probes, the water saturation variations at different locations in one dimensional model are measured during saturating oil and displacing oil by water. 应用饱和度探针测量出了不同实验的一维模型饱和油、水驱油过程中不同位置的饱和度变化;
- Based on the INS error correction by quasi-three dimensional model,the method of the combination of camera imaging system with SINS to deduce the measurement matrix was utilized. 文中基于准三维模型对惯导系统误差校正的思想,利用摄像机成像系统和捷联惯导系统(SINS)相结合的方法,着重对量测矩阵进行推导。
- This article shows up a simple method of symmetry breaking mechanism which embark from the extra dimensional model and through boundary condition definition. 本文给出了一种从额外维度模型出发,通过边界条件的定义建立对称破缺机制的简单方法。