利用MAC法通过二维流体力学扰动方程组进行了数值模拟。
The numerical simulations have been performed by using the MAC method to solve the two-dimensional perturbation equations of hydrodynamics.
基于模态分析，从流体力学扰动方程组出发，推导出了特征方程。
Based on the normal mode analysis, the characteristic equations were deduced from the perturbation equations of fluid mechanics.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件，得到了气液泡状流型下的压力波色散方程。
Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
通过三个矢量方程组，系统地归纳了小扰动理论应用于多排叶片时各待定系数的关联方程。
By means of a three vector equation system, the correlative equations of the undetermined parameters are thus deduced when the small disturbance theory is applied to multiple blade rows.
研究了矩阵列(行)一致扰动的几个性质，并应用于线性方程组。
Several properties about matrix with consistent perturbation are studied and applied into linear equations.
通过建立包含扰动和基流方程组的数值模式，全面讨论了扰动与对称不稳定纬向基流的相互作用。
In a numerical model especially set up in the work that includes disturbance and basic flows, the interactions between disturbances and symmetric instability are discussed comprehensively.
在理想气体假设下给出了扰动流运动微分方程组的解析解；
On the assumption that the media is an ideal fluid, the analytic solution for differential equations of disturbing flow is obtained.
采用非模方法，得到了扰动量的剪切傅里叶谐波分量随时间演化的方程组，并对方程组进行了数值分析。
Using the Nonmodal approach, the temporal evolution equations with Spatial Fourier Harmonics for the disturbed quantities are obtained, and have been studied numerically.
研究了矩阵列（行）一致扰动的几个性质，并应用于线性方程组。给出了线性方程组系数矩阵一致扰动下解的相对误差界。
Several properties about matrix with consistent perturbation are studied and applied into linear equations. Error bounds with the solution perturbation are given.
研究了矩阵列（行）一致扰动的几个性质，并应用于线性方程组。给出了线性方程组系数矩阵一致扰动下解的相对误差界。
Several properties about matrix with consistent perturbation are studied and applied into linear equations. Error bounds with the solution perturbation are given.
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