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In this paper,a three-dimensional viscous code has been developed to solve simplified Reynolds-averaged Navier-Stokes equations .The viscosity is simulated with viscous body force method.

本文采用一种简化的Navier-Stokes方程的计算方法-粘性体积力方法,计算了Krain叶轮内部流场。

Recovery of anisaldehyde and anisic acid achieves 97.42%~100.09% and 99.89%~101.90% respectively.

结果表明,茴香醛和茴香酸在260 nm有等吸收点,利用紫外等吸收点特性简化混合物各组分质量浓度的计算方程,得出了线性方程:ρ茴香醛=(A292-0.006 4/0.077 5,ρ=(A260-A292)/

This method avoids solving Diophantine equations, reduces the computational overhead on line, and simplifies the implementation of MGPC.

避免了Diophantine 方程的求解,减少了在线计算量,简化了MGPC 控制器的实现。

The governing equation is formulated based on the zero-order beam theory, and the state space method is used to compute the magnetoelectric coefficient.

本文基于多铁性材料梁结构的轴向运动的一维简化理论,建立了非均匀杆在纯拉伸模式下的控制方程,并采用状态空间法对磁电耦合效应进行了分析。

When applying this model to build movement differential equation and deduce the stable oscillation angular velocity gain formula, existing literature has made many hypotheses, neglection or simplification, which have many insufficiencies.

现有文献在应用该模型建立运动微分方程并推导稳态横摆角速度增益公式做了许多假定、忽略或简化,有很多不足。

Both of conventional continuous medium mechanics and noncontiguous medium mechanics, having strong pertinence, can abstract and simplify the rock model in research procedure, in which the rock body lying over the coal face can be considered as a static beam or board to leave out the push changes and the changes of property and load during the stability of overlying rock deformation has lost. Hence the derived profile equation is only the approximate expression of final subsidence of surface after the mining finished, and it is difficult to obtain the dynamic subsidence process of rock body.

传统的连续介质力学和非连续介质力学均具有针对性,在研究过程中将岩体模型抽象简化,将工作面上方的岩体看成是一静止的梁、板,省略了工作面的推进变化及覆岩在变形失稳时的性质和载荷的变化,得出的剖面方程仅是开采结束后地表的最终沉陷近似表达式,难以得到岩体的动态沉陷的过程。

Governing equations of nonprimatic channel unsteady flow are simplifiedly analyzed with the expressed form of channel parabolic cross section by variation of distance,and applied with dam sudden release problem in nonuniform wetted perimeter cross section on neglecting friction and slope effects.

利用明渠沿程抛物型断面的概化关系式,对棱柱体明渠非恒定流的控制方程进行简化分析,并应用于忽略底坡和摩阻影响的非单一湿周断面明渠瞬时全溃问题。

Firstly, for the oxidation reactions of 1,2,4-trimethylbenzene to trimellitic acid, a simplified first-order series-parallel model was proposed, and kinetic equations in constant catalyst concentration and fixed solvent ratio were set up according to the above model.

首先,提出了偏三甲苯液相空气氧化为串、并联一级反应的简化模型。在固定催化剂浓度及溶剂比条件下,建立了偏三甲苯氧化及生成偏苯三酸的动力学方程。

With the development of large high-speed computers, it is possible to solve directly the unsimplified governing equations for unsteady flow with time-marching techniques.

随着大型高速电子计算机的发展,采用时间推进技术直接求解不加简化的非定常流动的流场控制方程已经成为可能。

The collision term is two bi-velocity non-dimensionalized reduced ngle tri-velocity model equation is transformed into a bi- h integrating weightedly the non-dimensionalized model equation about the third component of molecule velocity.

采用BGK模型和Shakov模型近似碰撞项,进而引入两个二速度无量纲简化分布函数,通过关于分子速度第三分量取矩积分,将三速度单一模型方程变换为二速度微分方程组。

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推荐网络例句

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸,那乌黑、忧郁的眼睛,她便会相信,他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失

But because of its youthful corporate culture—most people are hustled out of the door in their mid-40s—it had no one to send.

但是因为该公司年轻的企业文化——大多数员工在40来岁的时候都被请出公司——一时间没有好的人选。