数值方法

研究N体问题共线解的数值方法。

The numerical methods of solving the collinear N-body problem are studied in detail .

适用于MATLAB的数值方法用来解动力分析采用的差分方程。

Numerical methods available in MATLAB for solving the ordinary differential equations are employed for the dynamic analysis .

几类Volterra泛函微方程数值方法的稳定性分析

Stability Analysis of Numerical Methods for Several Classes of Volterra Functional Differential Equations

通过数值方法模拟结构中一种特定的AE源评价传感元件的特性，该方法具有简单，无噪声干扰的特点；

Simulation of AE sources in the structure with a certain method to evaluate the sensor 's characteristics .

利用该模型，对相同条件下的CFRP拉索和钢拉索，采用数值方法分析了频率匹配比、拉索静拉力、激励幅值以及阻尼等因素对拉索参数振动特性的影响。

By using this model , numerical results of CFRP cables and steel cables with the same condition were obtained .

用FDTD数值方法研究了用于微带传输线的1D和2D的PBG（PhotonicBandGap）光子带隙结构。

The 1 D and 2 D photonic band gap ( PBG ) structure used in microstrip was studied by using FDTD technique .

解空间Riesz分数阶扩散方程的一种数值方法

A numerical method for the space Riesz fractional diffusion equation

完全匹配层（PML）对时域有限差分（FDTD）法，有限元法（FEM）等几种常用的数值方法是十分重要的。

Perfectly matched layer ( PML ) is very important to several numerical methods such as FDTD , FEM and so on .

所采用的数值方法为具有QUICK差分格式的SIMPLE算法。数值结果表明，随着宽高比增大，对流涡卷的轴向发生改变，从平行于Y轴转变到平行于X轴，即平行于短轴。

The SIMPLE algorithm with QUICK scheme is used as numerical method The numerical result suggests that when the transverse aspect ratio increases , the longitudinal rolls become align to the shorter X side .

运用小扰动法和线性PH的思想，采用有限差分亚松弛的数值方法求解了可倾瓦径向动压气体轴承单块瓦的静、动特性方程。

Based on the small perturbation and linearizing PH methods , the equations of the static and dynamic characteristics of three-pad-tilting bearing were deduced , and the numerical results were obtained on the sub-relaxing finite difference method .

采用沿边界离散的数值方法，研究了任意形状洞室对平面SH波的散射问题。

A least-squares boundary residual method for the numerical solution is applied to the problem of scattering of SH waves by underground cavity of arbitrary shape .

采用格子玻耳兹曼（LB）方法建立了等离子射流温度场和速度场的计算模型，与传统数值方法相比，LB方法具有直观的物理背景。

A model for calculating the velocity and temperature field of plasma jet by Lattice Boltzmann ( LB ) method was established .

进一步，本文讨论了上述数值方法在求解金融模型上的应用，用改进的Euler方法对完全市场上的未定权益进行定价。

Furthermore , the proposed numerical methods are applied to discuss financial models . We used the improved Euler methods to pricing of the contingent claims in complete market .

采用数值方法求解双电层的PoissonBoltzmann方程和液体运动的NavierStokes方程，研究微通道双电层对压强梯度液体流动的阻力效应。

Poisson-Boltzmann equation for electric double layer and Navier-Stokes equation for liquid flows to investigate resistance effect of electric double layer on liquid flow in microchannel were numerically solved .

应用Chebyshev多项式逼近法把含有服从拱形分布随机变量的vanderpol系统转化为等价确定性扩阶系统，再利用一般数值方法研究了该系统的对称破裂分岔和倍周期分岔行为。

The main works as follows : Firstly , stochastic van der Pol system with random parameter subject to an arch-like probability density function is reduced into its equivalent deterministic one using Chebyshev polynomial approximation method .

理想化结构单元法（ISUM）是一种对大型结构物进行非线性分析的有效数值方法。

Idealized Structural Unit Method is an efficient numerical method for the nonlinear analysis of large size structure .

针对数值方法求解Duffing振子随机共振行为存在的不足，提出采用电路模拟Duffing振子的方法，以满足实时性需求，并将该方法应用于微弱信号的提取。

Due to existing some shortcomings of using Duffing resonator in weak signal extraction by means of numerical method , a scheme of circuit simulating of the resonator instead of numerical method was proposed to fulfill the real time requirement .

文中提出一种新的时域电磁问题的数值方法&特征法，并用于求解上述问题，所得结果与FD-TD计算的结果和文献报道一致。

A novel numerical method for the time-domain electromagnetic problems , named method of characteristics , is presented and used to solve the above problem . The results obtained are in accordance with that by the method of FD-TD and that reported by literature .

格点Boltzmann方法是一种基于分子运动论的模拟粘性流动的数值方法，粒子平衡分布函数是这种方法中的重要物理量.本文利用Cbapman－Enskog展开求解粒子平衡分布函数。

The lattice Boltzmann method is a numerical scheme based on kinetic theory for modeling viscous flows . Particle equilibrium distribution functions are important physical quantities in the lattice Boltzmann method . In this paper , an approach of calculating the particle equilibrium distributions by Chapman-Enskog expansion is presented .

应用以Melan静力型安定定理为基础的弹塑性有限元数值方法，对海洋平台地基进行了变值加载条件下的安定性分析，同时，为便于比较，进行了静力极限分析。

A numerical procedure for shakedown analysis is presented , in which the elasto-plastic finite element method is combined with Melan 's theorem of shakedown analyses . The proposed method is applied to evaluate both ultimate loads and shakedown loads of offshore platform foundations .

利用抑制神经系统的WinnerLessCompetition（WLC）模型，通过数值方法分析Mulloney型龙虾胃肠神经系统神经元的电位发放，得到胃研磨囊和幽门神经系统中各个神经元的电位发放和系统的节律变化。

With help of WLC model of inhibition nervous system and lobster neural structure of Mulloney 's , neuron electric spike of lobster stomatogastric neural system was numerically analyzed and the changing activity of gastric network and pyloric network were obtained .

用数值方法分析微孔激光器出射光的近场特性

Numerical Analysis of Micro-Aperture Laser for Near Field Optical Data Storage

优化时间步长的数值方法解核反应堆点动态学方程

Solving Point Reactor Kinetic Equations by Time Step-Size Adaptable Numerical Methods

分析薄壳塑性动力响应问题的一种数值方法

A numerical method of analysing plastic dynamic response of thin shells

确定高级平面连杆机构中构件位置的数值方法

Numerical method for determining the position of high class planar linkage

该方法为半解析的数值方法。

The ADPI is a half - analytic numerical method .

用信号奇异度确定边界的数值方法

A Numerical Method for Boundary Determination with Signal Singularity Degree

电磁场时域数值方法及其混合技术概述

A Survey of Electromagnetic Numerical Methods and Hybrid Techniques in Time Domain

连续体形状优化数值方法的若干改进

Some Developments of Numerical Methods for Shape Optimization of Continuum

引水发电隧洞洞径选取的数值方法

The Numerical Method of Diameter Selection for the Hydropower Tunnel