查询词典 finite dimensional

According to the seepage equation of the groundwater and using the finite element method, this thesis establishes the mathematics model for two and three dimensional seepage.

采用有限元理论，以地下水渗流方程为基础，针对基坑降水建立了地下水的二维和三维渗流数学模型，完善了深基坑降水渗流计算方法。对某一假定的深基坑降水工程分别进行二维和三维渗流数值模拟。

In this paper, two dimensional shallow flow—pollutants coupled model, which applies uninstructed grid finite volume method and Riemann approximate solver, is used to gain the trend of hydrodynamics and water quality change under the condition of driving force. Mechanism of nitrogen and phosphorous circle of WASP5 is considered in the water quality part of the model according to nutrition actuality of shallow lake in the cities.Xuanwu Lake is object of research in this paper.

本文针对城市浅水湖泊富营养化加剧现状，结合WASP5模型中有关氮和磷的循环机理，并将该机理写入已有的二维浅水流体水量模型中加以耦合，应用在无结构网格下的有限体积法与黎曼近似解求解的方法，求解湖泊在外驱动作用下的湖泊水动力和水质因子氮和磷的变化。

Slipper type universal coupling"s fork joint and palm end are the weak parts of the main transmission system. In this article, the two parts" intensity values are obtained through finite element analysis . After making three-dimensional computer simulation analysis by ANSYS, the results show that the middle arc of the fork joint in loaded side and the intersection of fork bore and the arc are the danger location, where the stress is largest and stress concentration is serious.

本文对轧机主传动系统机械部分的薄弱部件进行强度计算，即对滑块式万向联轴器的主要零部件的强度进行有限元分析，通过ANSYS有限元分析软件进行三维计算机仿真，由计算结果可知，在叉头受载侧过渡圆弧段中部、叉头镗孔与过渡圆弧交接处这两个部位的应力最大且存在严重的应力集中，考虑到单元总数限制及计算时间等因素，整体模型的网格划分较疏，不能反映倒圆角等细节。

Based on the Hamiltons principle and the displacement variation principle, one-dimensional discrete finite element method is developed for vibration analysis of thin-walled members.

对于动力分析部分，概述了Hamilton原理，并由位移变分原理出发推导出考虑剪力滞效应的薄壁杆件振动的一维离散有限元法。

Based on the Galerkin Method the variational problem for the point source 2.5-dimensional electricfield is derived and the corresponding finite element equations are obtained.

基于Galerkin法推导了点源2.5维电场的变分问题，得到了对应的有限元方程组。

The three-dimensional finite element model of lumbar spine L1-L2 can be applied as a good tool in many fields in vertebral column biomechanics.

本研究所建立的腰椎L1- L2 节段的三维有限元模型是重要的脊柱生物力学研究平台，可应用于众多相关研究领域。

With finite differential method, the discretization equations are derived by chosing control volume integral method to solve the unsteady one-dimensional heat conduction question with variable physical properties, and the temperature distributinn in ladle lining in preheat is computed.

应用有限差分法，选用控制容积积分法推导出离散化方程组，对一维不稳定态变物性热传导问题进行求解，计算出钢包在预热过程中包衬的温度分布。

Objective: To construct three-dimensional (3D) finite element acetabular model.

目的：构建髋臼三维有限元模型。

Three-dimensional finite element analysis of antiseismic capability of Fe/Zn composite.

首次结合通用有限元软件ANSYS，对Fe/Zn复合材料在地震波作用下进行了三维有限元分析，为新材料的制备提供理论依据。

Methods: The three-dimensional finite element models of mandible molar and attrited molar were developedwith computer technique.

以电子计算机技术建立下颌磨牙及磨耗磨牙三维有限元模型。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。