并与定常条件下的计算结果进行了比较。
The results were also compared to those in steady conditions.
近年来，非定常问题受到了较大的关注。
In the recent years, more and more attention has been paid to unsteady problems.
非定常流下的数值模拟。
定常流下的数值模拟。
三维定常、非定常的计算结果表明本文的方法是有效的。
The results of three dimensional steady and unsteady flows show that the methods developed in the thesis are effective.
本文给出了关于离散定常线性系统的稳定性的一个定理。
In this paper, a theorem on stability of discrete linear time-invariable systems is presented.
该软件使用SOR方法来求解大规模定常热传导工程问题。
The software was used to solve big engineering problems of heat exchange via SOR.
将非定常势流理论用于应急上浮运动流场分析与水动力计算。
The unsteady potential flow theory is used to analyses the flow field and hydro-dynamic calculation.
本文讨论了日冕磁环中是否存在定常的高速虹吸流动的问题。
In this paper, whether the steady high-speed siphon flow exists in coronal magnetic loops is discussed.
使用跨音速非定常空气动力，对扑动间隙和旋转间隙进行研究。
Flapping and rotary gap have been investigated with the help of transonic unsteady aerodynamic forces.
这些系统能够用定常差分方程，有时甚至能用代数方程来描述。
They are described by ordinary difference equations, or in some cases by purely algebraic equations.
定常力输出机构就是在一定的输入范围内输出一恒定力的机构。
Constant-force-output mechanisms produce a constant output force for a range of input displacements.
本文采用逆方法研究并获得了应力偶流体的定常和非定常精确解。
By using inverse method, the analytical solutions of couple stress fluids were obtained for steady and unsteady cases.
计算结果表明，振荡叶栅非定常流场的压力响应在叶栅前缘较大。
The results show that the unsteady pressure response is large in the oscillating cascade leading edge.
针对线性定常系统，提出了考虑执行器故障的可靠极点配置问题。
Aiming at linear time-invariant system, puts forward the reliable pole placement problem considering actuator fault.
下游静叶干涉增加了动叶顶部间隙流的非定常波动强度和泄漏损失。
Downstream rotor-stator interaction increases the unsteady fluctuating intensities of the rotor tip clearance flow and the tip leakage loss.
本文提出了用小扰动欧拉振幅方程求解振动叶栅非定常流场的方法。
In this paper, the Euler amplitude equation is developed to obtain the unsteady flow field in vibrating cascades.
对于发生变化的动态经济过程，应用定常参数模型进行预测时误差较大。
In forecasting dynamic economic processes by using the model with steady parameters, large errors are often discovered.
本文提出了一种计算回转体定常。不可压缩粘性绕流问题的新数值方法。
This paper presents a new numerical method for calculating steady incompressible viscous flow around bodies of revolution.
针对不确定线性定常系统，考虑频域迭代学习控制器设计及干扰抑制问题。
The issues of iterative learning controller design and disturbance rejection in ILC are addressed in this paper.
本文将一维非定常不可压流体力学方程组，应用于整个低速透平压缩机系统。
The fluid mechanics equations of one-dimensional incompressible unsteady flow are adopted in whole low-speed turbo-compression system.
在很长的一段时间内，人们对上述流态的了解仅限于定常的或时间平均的流态。
However only steady and mean flow state have been studied for a long period of time.
当源项是解的非线形函数时，发现定常状态的误差是刚性参数的单调增加函数。
The steady error is an increasing function of the stiffness parameter if the source term is nonlinear.
用行波变换方法和分叉理论研究里非线性薛定谔方程的定常解和定常解的稳定性。
The steady solution and its stability of Nonlinear Schrdinger Equation (NLSE) are studied by means of traveling wave transformation and bifurcation theory.
本工作是用作者提出的迎风格式计算轴对称喷管的定常超音流动问题的一个尝试。
This paper is on an application of the upwind difference scheme proposed by the author in a previous paper.
研究了在二维定常不可压流动状态下雷诺数和翼型厚度等参数对翼型气动特性的影响。
For steady incompressible flows, the effects of Reynolds number and thickness of airfoils on the aerodynamic characteristics are studied.
采用定常流和非定常流计算方法研究了各种动静叶稠度组合对轴流压缩机性能的影响。
In this paper, the effects of solidity of rotor-stator cascades on axial-flow compressor performance are investigated with steady and unsteady flow calculation.
采用定常流和非定常流计算方法研究了各种动静叶稠度组合对轴流压缩机性能的影响。
In this paper, the effects of solidity of rotor-stator cascades on axial-flow compressor performance are investigated with steady and unsteady flow calculation.
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