The grids are constructed by dividing the whole flow passage into four sub-blocks, in each block the grids obtained are smooth and fulfill the orthogonality condition of the grid line at the boundary, and convenient for the introduction of turbulent wall conditions. 在每个块内,所生成的网格线与边界线正交,网格疏密度可认人为控制,且便于湍流壁面条件的引入。
Based on the equivalent lowpass method, the equivalent lowpass orthogonality condition of two real bandpass signals, i. e. the orthogonality condition of two complex signals in wide-sense, is presented using complex cross-correlation function of complex envelopes. 根据等效低通法,利用复包络的复互相关函数提出了两个实带通信号的等效低通正交条件,即2个复信号的广义正交条件。
In order to maintain the orthogonality condition in the neighborhood of the boundary, an improved method is used and good results are achieved. 为使生成的网格满足边界正交性,本文对上述方法作了改进,取得了良好的效果。
Also, the orthogonality condition of the frame is derived through the Lagrange method and the solutions of the dynamic responses under various initial conditions and loads are obtained. Moreover, the practical computations are included. 文中采用Lagrange法导出所论框架的正交条件,进而得到对各种初始条件及载荷的动力响应的表达式,并且做了应用计算。
By using the orthogonality condition of augmented eigenvector of multibody system, the algebraic equation group with unknowns of structure parameter is formed. 利用多体系统增广特征矢量的正交性条件,可建立以系统物理参数为未知数的代数方程组。
It is obtained that two stress modes restricted by energy compatible condition and orthogonality condition are not the same for general grids. 对于一般的六面体网格,能量协调条件和正交条件约束下的应力场不相同;
First, we use variation method and Bessel function orthogonality to deduce the dispersion function of the slow-wave structure under the condition of neglecting the thickness of disk. 首先完善了忽略膜片厚度时同轴交错膜片加载慢波线的理论分析,采用变分法和贝塞尔函数的正交性导出其色散方程,并对理论结果进行了数值计算。
By orthogonality experiment, It was indicated that the optimal process condition for the transesterification reaction of rapeseeds oil was methanol to oil molar ratio at 6:1,1% KOH ( W%) of oil, reaction temperature was about 60 ℃, reaction time was about 90 minutes. 利用正交实验,找出了菜籽油酯交换的最佳工艺条件,其最佳条件为:醇/油摩尔比为6:1,催化剂加入量1%(质量),温度60℃,反应时间90分钟。
In the new orthogonality and M-normalization condition of the coupled system, this paper accomplished the calculation of the eigenvalue, the eigenvector and their sensitivities, the sound pressure level and its sensitivity. 在耦合系统的正交归一化条件下,实现了特征值和特征向量及其灵敏度计算、声压响应水平及其灵敏度计算。
Firstly introducing the generalized method of moments through classic moments estimation, and describing the fundamental principle of GMM, the choosing of weighted matrix, the distribution of GMM estimator, orthogonality condition and the test of hypothesis in detail. 首先由经典矩估计引出了广义矩方法,并详细介绍了广义矩估计的基本原理,权重矩阵的选择,GMM估计量的分布,正交性条件以及假设检验。