数值稳定性

The presented study is an attempt on the development and improvement of numerical methods for slope stability analyses.

本文的研究工作在改进和完善土坡稳定性数值分析方法方面进行了有益尝试。

The direction and stability of numerical Hopf bifurcation are discussed.

讨论了数值Hopf分支的分支方向、分支周期解的稳定性。

The results show that the computing speed and stability of numerical value are greatly improved compared with other Transfer Matrix Methods.

利用此方法进行了多转子耦合系统的临界转速和振型的计算，结果表明，计算速度和数值的稳定性与其它传递矩阵法相比具有明显的提高。

has been constructed to solve the delay-differential-algebraic equation, and the numerical stability is also considered.

方法用于求解延迟微分代数方程，并对其数值渐近稳定性作了研究。

Stability is one of the most important conditions in which we numerically solve the wave equations.

稳定性是数值计算波动方程的最重要条件之一。

The stability and convergence of the fully discrete solutions are proved and the convergence order is also given.

从数值实验上也验证了该算法的可行性和高效性，对非定常N-S方程提出了一种新的全离散TGM：空间离散用标准FEM，时间离散用Crank-Nicolson格式，证明了全离散解的稳定性与收敛性。给出了收敛阶。

This paper presents an improved method that uses the orthogonal least square algorithm to estimate both the structure and the parameters in the linear models from linearizing locally the whole nonlinear space.

本文在对非线性空间进行局部线性化的基础上，采用正交最小二乘方法对线性模型同时进行结构选择与参数辨识，改善了数值的病态特性，增强了算法的稳定性。

Based on the wave equations established in general coordinate system for orthorhombic anisotropy media, this paper di...

在建立一般观测坐标系下正交各向异性介质波动方程的基础上，着重讨论了相应的伪谱法波场数值计算的稳定性条件，进而用伪谱法实现了正交各向异性介质弹性波场的正演模拟，获得了很好的模拟效果

Combustion instability in liquid rocket engine is investigated with theoretical analyses, numerical simulations and experiments. Nonlinear science, such as Nonlinear Dynamics, Non- equilibrium Thermodynamics, and Wavelets, is introduced in the studies.Nonlinear oscillation equation of chamber pressure is established.

本文结合非平衡热力学、小波分析、非线性动力学等非线性学科，建立燃烧稳定性理论模型，发展两相喷雾燃烧非定常数值模拟程序，利用激光测粒系统，发动机高频热试系统等测试手段，重点围绕液体推进剂的化学动力学过程，对燃烧不稳定进行了较为系统的理论、仿真和实验研究。

A kind of delay parabolic partial differential equation is studied. A numerical method is proposed by discrete skill. The numerical stability for this kind of delay parabolic partial differential is analyzed by interpolation method.

研究了一类时滞的抛物型偏微分方程初边值问题，利用离散技巧，提出了一种数值方法，然后在一定插值技术下分析了算法的稳定性。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。