euler criterion

Eulerian numerical simulation of a shaped charge;

聚能装药的欧拉数值模拟

Interface calculations in numerical method for Eulerian hydrodynamics;

欧拉流体力学数值方法中的界面计算(英文)

Euler s Achievements in Combinatorics;

欧拉对经典组合学的贡献

κ-ε turbulence model,Eulerian model and discrete phase model(DPM) were used in the simulation of three-dimensional two-phase flow in the new type wet dedusting and desulphurization tower with umbrella type plates by using FLUENT package,and SIMPLE algorithm was used in the calculation.

利用FLUENT软件对新型的伞罩型湿法除尘脱硫塔内的三维二相流场进行数值模拟,气相采用κ-ε湍流模型,颗粒相采用离散相模型(DPM)和欧拉模型,选择SIMPLEC算法进行计算。

The Differentiator Series Solution to Euler Equation;

欧拉方程的微分算子级数解法

The simplified constant-transform method for sloving Euler equation of order three;

三阶欧拉方程求解的简化常数变易方法

The governing equation is 3D Euler equations,which is solved by the finite volume method.

基于响应面法进行了机翼气动/结构一体化优化设计研究,流动控制方程为三维欧拉方程,采用有限体积法进行数值求解,应力和结构变形采用有限元方法计算,静气动弹性分析采用强耦合迭代方式,响应面模型采用二次多项式来构造。

The equation which process screw surface with tools of disk conical surfaces was established by using Euler vector principle in the paper,from which we can see that this method has better applicability and validity and the advantages of faster speed.

本文利用欧拉向量原理建立了用盘状锥面刀具加工螺旋面的方程式,从中可以看出这种方法有很好的实用性和有效性,而且具有计算速度快捷的优点。

Some conceptions and the correspoinding equation is put forward,such as Euler vector,Euler orientation cosine matrix and Euler switch orientation cosine matrix.

提出了欧拉向量、欧拉方向余弦矩阵、欧拉基变换方向余弦矩阵等概念,并给出相应的公式。

A method of image retrieval using Euler vector is proposed.

为了有效地管理图像数据库,并对其进行查询检索所需的图像特征,提出了一种基于欧拉向量的色彩图像检索方法。

Application of Euler formula in design of reinforcement in structure constitution;

欧拉公式在结构构造配筋设计中的应用

This paper presents the accurate calculation formula on the equivalent friction coefficient of V-belt drive by educing V-belt Euler formula and introduces a new parameter: the direction angle of friction.

通过推导V带欧拉公式,给出了计算V带传动当量摩擦系数的准确公式,并在公式中引入了一个新的参数——摩擦力方向角。

Using Euler formula of the comlex exponent problems of the rotation-axis in mechanics of materials in coplex plane are derived in complex coordinates to avoid complicated geometrical analysis.

采用复指数欧拉公式在复坐标系中对材料力学中坐标旋转的３个问题进行了推导，避免了复杂的几何分析。