本文首先详细阐述了电磁建模的积分方程方法。
Firstly, the integral equation methods for electromagnetic problems are briefly introduced.
采用积分方程方法,研究了轴对称细长体后部非定常超空泡问题。
Based on an integral equation method, the unsteady supercavitating flow past slender body was studied.
本文研究了用于分析三维目标瞬态电磁散射特性的时域积分方程方法。
In this paper, the time domain integral equation method (TDIE) and its application for transient scattering of arbitrarily shaped 3d conducting objects are studied.
本文研究了用于分析三维目标瞬态电磁散射特性的时域积分方程方法。
Studies on Fast Algorithms of Time Domain Integral Equation and Their Applications;
运用复变函数及积分方程方法,求解了半平面域多圆孔多裂纹反平面问题。
By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.
首先,本文详细介绍了求解介质结构的面积分方程方法及目标模型的建立。
Surface integral equations for dielectric objects based on equivalent principle, such as PMCHW, TENENH, JMCFIE are presented in detail.
运用复变函数及积分方程方法,求解了半平面域多圆孔多裂纹反平面问题。
The edge internal branch crack problems for half-plane in antiplane elasticity are solved with complex potentials and singular integral equation approach.
本文采用奇异积分方程方法研究了含周期型环边裂纹长圆柱的轴对称拉伸问题。
A crack problem in the case of a circular cylinder having an infinite row of circumferential cracks under tension are analyzed in this study, by the integral equation method.
利用复变函数和奇异积分方程方法,求解反平面弹性中半平面边缘内分叉裂纹问题。
The edge internal branch crack problems for half-plane in antiplane elasticity are solved with complex potentials and singular integral equation approach.
利用复变函数和奇异积分方程方法,求解反平面弹性中半平面边缘内分叉裂纹问题。
By using of complex variable function and integral equation method, the antiplane multiple holes and cracks problem of half plane region is considered in this paper.
算例表明,高阶样条权函数在局部边界积分方程方法中有好的收敛性、稳定性和精度。
The numerical results show that higher spline weight functions in the local boundary integral equation method have excellent properties.
并且介绍了积分方程方法的求解方法—矩量法及其快速求解技术—多层快速多极子方法。
Numerical methods for integral equation-moment of method (mom) and the fast solving technique-MLFMA are introduced as well.
本文提出一种扩展积分方程方法,用于消除浮体剖面水动力系数计算中不规则频率的影响。
An extended integral equation method was presented to remove the irregular frequency effects in solving the hydrodynamic coefficients for a ship-like floating body.
利用积分方程方法以及半空间并矢格林函数的快速算法对埋地目标体矢量电磁散射进行正演计算。
Forward electromagnetic scattering by buried objects is computed with the integral equation method and efficient algorithm for half-space dyadic Green's functions.
积分方程方法由于其求解严格、计算结果精度高,成为了分析介质目标电磁散射特性的主要方法。
The integral equation is widely applied to analyze the electromagnetic scattering of dielectric objects for its high precision.
将时域电场积分方程方法引入到电磁脉冲作用下架高屏蔽电缆蒙皮电流的计算中,研究了电缆的蒙皮感应电流分布及波形特征。
The EFIE method is used to study the distribution of skin current and the characteristic of waveform in aerial shielded cable excited by EMP in this paper.
但这一偏微分方程不能直接积分,所以通常用纳维法、瑞利-里兹法、有限差分方法等方法求解。
But this partial differential equation can not be directly integral, so usually use Navier method, Rayleigh Ritz method and finite difference method and other methods.
第二种方法是使用微积分找到用于估算m和b的方程。
The second approach is to use calculus to find the equations for estimating m and b.
在这种方法中,我们可以在对常微分方程进行积分的过程中自由选择步长。
In this approach we have the freedom in the choice of step size during the integration of the ordinary differential equation.
给出一个适用于平面断裂力学分析的新边界积分方程,在此方程的基础上建立了边界元数值计算方法。
A new boundary integral equation is introduced to analyze plane elastic problems with cracks, and the boundary element numerical method based on this equation is established.
采用积分方法建立交通流基本方程的物理意义更为明确。
The physical meaning is clear and definite when integral calculus method is adopted to establish the basic equations of traffic flow.
用线性最小二乘法、迭代法以及二分法与最小二乘法相结合的方法,以积分方程、微分方程和放热速率方程拟合dsc数据。
The DSC data obtained are fitted to the integral, differential and exothermic rate equations by linear least-squares, iterative, combined dichotomous and least-squares methods, respectively.
在结构动力分析中提出了建立冲量方程并求解的方法,给出了该方法的积分格式并讨论了其数值稳定性、精度等数值特性。
Both the impulse equations of structural dynamics and the solution were established, and the (numerical) stability and accuracy of the integral formulation were also discussed.
它使用快速多极方法(FMM)加速积分方程的解决方案。
It USES the fast multipole method (FMM) to accelerate the solution of the integral equations.
采用时间有限差分离散化方法求解超空泡流积分方程,得到了问题的数值解。
Solving integral equations of supercavitating flow based on the finite difference time discretization method, some numerical results are obtained.
用控制容积积分法导出了离散方程,并用数值方法进行了求解。
The discrete equation was deduced by control volume integral method, and realized by numerical method.
采用改进型逐次逼近解法(MSAM)计算了积分方程,该方法所需内存量小,且可适用于高电导率对比度地层。
The integral equations were computed by modified successive approximation method (MSAM). The method needs less computer memory requirements and is suitable for high-conductivity-contrast formation.
这些工作为格林函数快速计算方法的实现以及积分方程的矩量法高效求解打下了基础。
The derivations lay a good foundation for the efficient evaluation of Green's functions and the fast solving of scattering problems by the method of moments (MoM).
用积分方程的方法讨论了解析函数的一类带有两个位移的复合边值问题。
One class of composite boundary value problem with two displacements is discussed with integral equations.
用积分方程的方法讨论了解析函数的一类带有两个位移的复合边值问题。
One class of composite boundary value problem with two displacements is discussed with integral equations.
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