查询词典 numerical coefficient

Using two-dimensional numerical simulation of the full hydrodynamic equations, the dynamics of the counterpropagating wave, localized traveling wave and stationary overturning convection with the weakly Soret coefficient is studied.

本文通过二维流体力学基本方程的数值摸拟，讨论了具有较弱的Soret结合的中等长高比空腔中的Counterpropagatingwave，局部行进波及定常行进波的动力特性，探讨了局部行进波的Rayleigh数依赖性及稳定性。

Chapter 7 at first introduces the elementary theory of subentry coefficient designing methods and deduces the calculational formula of single safety factor considering the reliability, then propounds the numerical calculation method of random safety factor to make foundation for deep investigation.

第七章先介绍了分项系数设计法的基本原理，推导了可靠性意义下的单一安全系数的计算公式，然后提出了随机安全系数的数值计算方法，为进一步研究随机安全系数打下基础。

Landslide thrust ; passing coefficient method ; circular slip surface ; numerical integral method ; function of internal force

滑坡推力；传递系数法；圆弧滑面；数值积分法；内部力函数

Analyzing the proved experiences of four kinds of end-bend models, and assuming a minor deviation, with the application of the aforementioned total pressure coefficient and deviation calculation model on the undesigning operating condition, numerical estimate is done on the characteristics change at designing rotating speed (n＝1. 0) after applying five various kinds of end-bend models.

总结了国内外有过成功经历的4种端弯模式，并且在小偏离假设下，应用上述非设计工况总压损失系数和落后角计算模型，对74A压气机采用5种不同的端弯模式后，在设计换算转速（n=1.0）下的特性改变情况进行了数值预测。

To solve the dynamic general equilibrium model, we linearize the model with first order Taylor expand near the steady state, then we use the method of undetermined coefficient to get the numerical solution.

针对本文设立的一般动态均衡模型，我们采用泰勒展开将其线性化，然后利用待定系数法得到数值解。

Through grey relation estimation matrix, the threat sequencing is transformed into a MADM problem. The algorithm for the weight of each threat criteria is proposed by information entropy to reduce the effect of the extreme numerical value. Applied the grey related projection value, the treat sequencing is carried out from the aspect of vector projection. In addition, the effects of the identification coefficient and the criteria weights on threat sequencing are investigated respectively.

首先通过建立灰色关联判断矩阵将威胁排序转化为多指标决策问题；其次为缩小极端值的影响提出了基于信息熵的威胁指标权重算法；最后从矢量投影角度应用灰色关联投影值进行威胁排序；并分别研究了分辨系数和指标权重对威胁排序的影响。

And then, we employ numerical simulation to illustrate the advantage of our model compared with Optimal Velocity Model and CDCFM. The simulation results show that in our model, not only the collision occurred at small reaction coefficient in OVM and CDCFM can be avoided, but also the traffic congestion can be suppressed more efficiently.

通过与OVM和CDCFM模型的数值仿真对比研究证明：改进模型不仅可以避免OVM和CDCFM中因为反应系数较小时出现撞车现象的缺陷，同时对交通阻塞能起到有效的抑制作用。

With k- e turbulent model and wall function presented by Launder and Spalding, numerical results of viscous resistance coefficient, isoplethic maps of velocity and stress contributions areobtained.

采用k-ε紊流模式及Launder和Spalding提出的壁函数进行数值模拟，得到了该双尾船船体粘性阻力及速度、切应力的等值线分布等结果。

In this paper the viscous flows around a mathematical SWATH in full scale are simulated based on the computational fluid dynamics commercial software FLUENT. The numerical results of total pressure, wall shear stress and the corresponding viscous resistance coefficient at different velocity are obtained. The computational viscous resistance coefficients are compared with the estimated ones using empirical formula. The validity of the software to predict the three dimensional viscous flows and viscous resi...

利用计算流体力学商业软件 FLUENT对一实尺度小水线面双体船数学船型的粘性绕流进行了数值模拟，得到了不同航速下的船体表面总压力、表面剪切应力分布和相应的粘性阻力系数；将各航速下的粘性阻力计算结果和经验公式估算结果作了比较，验证了 FLUENT用于计算小水线面双体船三维粘性流和粘性阻力的有效性。

As a special example, we calculated global errors and reflective coefficient on the interface of quasi-PML in the Cassinian transformation cylindrical coordinates. Numerical results validated the effectiveness of absorbing in quasi-perfectly matched layers for the conformal mapping case.

本文还以Cassinian变换柱形坐标为例，计算了准PML的全局误差和准PML界面中点的反射系数，证实了保角变换柱形坐标系准PML的吸收作用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。