雷诺数可作为非线性流动的判据，雷诺数小于10-3的低速流动具有非线性特征。
Research results indicated that Reynolds number can be used as the criteria of nonlinear flow. Flows with Reynolds number less than 10-3 have nonlinear features.
考虑了二次梯度项影响的非线性径向流动问题的无限大地层和有界地层渗流模型。
The models of the nonlinear radial flow for the infinite and finite reservoirs including a quadratic gradient term were presented.
本文研究了由非牛顿流体流动引起的一类退缩非线性自由边值问题。
A degenerate nonlinear free boundary problem arised from the flow of non-Newtonian fluids is studied in this paper.
虽然制冷剂在毛细管内的流动为非线性的两相临界流，但是在很多特定工况条件下毛细管流量特性表现出良好的线性特性。
Although the critical two-phase flow of refrigerant through adiabatic capillary tube is nonlinear, its mass flow characteristics under some typical operating conditions show good linearity.
对此，本文根据天然气流动情况，引入一线性化函数，通过求解非线性方程得到了解析解。
Therefore, this paper introduces a linearized function in light of the flow conditions of natural gas and obtains an analytic solution through solving nonlinear equations.
形成磁岛的特征时间很大于流动撕裂模不稳定性引起磁岛非线性饱和的特征时间。
The characteristic time for the formation of magnetic islands is much longer than that of nonlinear saturation of magnetic islands caused by the streaming tearing instability.
基于混沌理论及非线性系统特征的合成射流技术是国际上近几年提出的一种全新的流动主动控制技术。
Based on the chaotic theory and non-linear system theory, a new active flow control technology-the synthetic jet technology, appeared several years ago.
二维平行壁面剪切流动进入混沌的现象可用含二次非线性项的强迫振动方程来描述。
The bifurcation and chaotic process of two-dimensional parallel wall shear flows are described by the forced oscillation equation containing a square nonlinear term.
由于非饱和流动的数学模型归结为非线性的偏微分方程，除了一些很特殊的情况外，很难得到解析解。
It is very difficult to get analytic solution except some very specific cases for the model owing to nonlinear partial differential equation.
研究在非线性多孔收缩表面上黏性磁流体(MHD)的流动。
The MHD flow of a viscous fluid towards a non-linear porous shrinking sheet was investigated.
考虑表面张力的作用，研究了不可压缩、无粘性流体流过变化壁面时的共振流动，分析了不同的底部壁面变化对非线性表面波的影响。
The resonant flow of an incompressible, inviscid fluid with surface tension on varying bottoms was researched. The effects of different bottoms on the nonlinear surface waves were analyzed.
文中还就流动的非线性对物体的波浪扰动力和自由面波形的影响进行了讨论。
The effect of the nonlinearity on total wave exciting force and wave contour is discussed.
现在信息流正以一种非线性的方式流动传播，人们已经习惯了从多个视角来看待问题，任何没有新意的陈旧观点都会受到藐视。
Now, the flow of information moves in a non-linear way and people use multiple Windows to see the world that defies any unifying system of perspective.
求解扰动速度幅值的演化规律，是流动稳定性非线性理论的关键问题之一。
One of the key problems in the nonlinear theory of the hydrodynamic stability is to determine the law of the evolution of the disturbance velocity amplitude.
通过分析内管螺距对强化换热和流动阻力的影响，采用有约束非线性优化方法对螺距进行了优化。
Based on analysis of the effects of the pitch on heat transfer enhancement and flow resistance, the pitch was optimized by the constrained nonlinear optimization method.
在小来流动压情况下，结构几何非线性引起了切尖三角翼的LCO，计算结果和试验值吻合较好。
For lower inflow dynamic pressures, the LCO of the delta wing is caused by structural geometric nonlinearity, and the numerical results correlate well with experimental data.
非线性原理即熵定律分析人类生态系统中能量流动；
Analysing the energy flow in human ecosystem with unlineal principle(entropy law).
本文研究了沿斜面流动薄层液体的非线性稳定性，即涂布流动的非线性稳定性问题。
This paper considers the problem of nonlinear stability of a liquid layer flowing down an inclined plane.
本文综述了利用非线性动力学方法研究有涡流动的进展，并讨论了它们在流体混合机理研究中的应用。
The development in the application of the methods of non-linear dynamics to the study of vortical flow is reviewed, and their application to the study of fluid mixing dealt with.
利用非线性动力学中的多种方法，考察了自由流动压对粘弹性圆柱壳稳定性的影响。
The influence of aerodynamic pressure on the stability of viscoelastic cylindrical shells is investigated by various methods in nonlinear dynamics.
其中不少问题是非线性的，如带自由面的流动区域，边界条件即呈非线性。
Some engineering problems, especially those involving fluid free surface, are nonlinear in boundary conditions.
本文讨论描述流体在稀疏介质中流动规律的一类拟线性抛物型方程具有第三类非线性边界条件的初边值问题。
This dissertation is to discuss the laws of fluids in porous medium for original boundary value problem of some quasi-linear parabolic equations with the third type nonlinear boundary condition.
为了了解由阀门注入的快速气体通过管道进入系统时的流动状态，必须求解在固定流量边界条件下的一维非线性扩散方程。
Flowing state of the gas during gas flows into the system was given by means of the calculation. The character of B-A nude gauge in flowing gases and the piezoelectric valve was measured.
该流动受一非线性纳维·斯托克斯方程控制，因此要获得该流动的精确解是一个十分困难的流体力学问题。
The flow is governed by Navier-Stokes equations. Therefore it is extremely difficult to obtain an accurate solution.
环网的瞬交流动计算问题较为复杂，需要求解高阶非线性方程组，对于复杂的网状结构，系统的自动识别或标记相当麻烦。
The calculation of the system is complex, because of solving high haw equation group. It is also a trouble to sign and identify for the equation group.
环网的瞬交流动计算问题较为复杂，需要求解高阶非线性方程组，对于复杂的网状结构，系统的自动识别或标记相当麻烦。
The calculation of the system is complex, because of solving high haw equation group. It is also a trouble to sign and identify for the equation group.
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