本文采用一种边界积分方程法,计算了共线周期反平面裂纹的动应力强度因子。
In this paper, a boundary integral equation method is applied to compute the dynamic stress intensity factors of collinear periodic antiplane cracks.
以二维弹性力学自然边界积分方程法为基础建立了二维弹塑性问题的自然边界积分方程。
Based on the natural boundary integral equation for two dimensional elasticity, a corresponding elastoplastic formulation is presented in this paper.
为此,建立了求解该问题的边界积分方程法,利用积分方程法可获得问题的近似分析解。
Therefore, the boundary-integral equation techniques are put forward to solve this problem and to obtain the approximately analytical solutions of scattered waves on the edge of cutout in shell.
导出了关于混合模的耦合边界积分方程组及其退化形式,并用矩量法将之离散为齐次代数方程组,从而得波导的混合模传输常数;
The coupled boundary integral equations and their reduced forms are deduced for hybrid mode problems, and these equations are discreted into a system of linear algebraic equations by moment method.
本文提出了解非线性边值问题的边界积分方程的高精度机械求积法。
This paper presents mechanical quadrature methods for solving the boundary integral equations of nonlinear boundary value problems.
提出了求积法解稳态问题的混合边界积分方程,它拥有高精度,低复杂度。
We present a quadrature method for mixed boundary integral equations of stable problems, which provides high accuracy and less complexity.
数值计算采用配置法计算耦合的边界积分方程,使用四边形常单元。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
基于对偶边界积分方程(DBIE)构造代数方程组,采用广义极小残值迭代法(GMRES)求解。
The algebraic equation from the dual boundary integral equations(DBIE) was solved using the generalized minimum residual method(GMRES).
借助边界元法将油气藏工程中的多油井生产的压力分布问题转化为相应的边界积分方程。
By means of boundary element method, the pressure distribution problems in petroleum industry are transformed into corresponding boundary integral equation.
研究了用边界单元法解积分方程中点源和无穷边界的处理方法。
The treatment of point source and infinite boundary in solving the integral equation by BEM are developed.
本文提出了解非线性边值问题的边界积分方程的高精度机械求积法。
In this paper, the authors present mechanical quadrature methods for solving the boundary integral equations of nonlinear boundary value problems.
由边界积分方程推导了泊松问题和线弹性力学问题的广义间接边界元法的基本公式。
The fundamental formulas of generalized indirect BEM for the Poisson 's and linear elasticity problems are proposed initiating from the boundary integral equation.
由于边界元法是半解析半数值解法。在解边界积分方程时会遇到解的存在与唯一性问题。
Because the boundary element method is half analytical and half numerical, there exist the problems of the existence and uniqueness of the solutions.
目前,解决这类问题的数值方法主要有有限差分法、有限元法、边界元法、积分方程法、传输线法等。
At present, the common numerical methods are finite difference, finite element, boundary element, integration equation and transmission line method.
利用特解边界元法,对具有域内支承的薄板问题建立了边界积分方程,并进行了数值求解。
In this paper, the particular solution BEM is used to get the numerical solution for thin plate with supports in the domain.
从而完成了超奇异积分方程组数值法的建立,这一方法现称之为有限部积分——边界元法。
So far, the numerical techniques solving the hyper-singular integral equations are established, and these are called finite-part integral-boundary element method.
用有限元法解决天线内部的赫尔姆霍兹方程; 用边界积分法确定天线外部的场;
We use the FEM to solve the Helmholtz equation in the interior of the antenna and use the boundary-integral method to determine the fields exterior to the antenna.
然后用边界单元法解积分方程,求得磁性体表面的磁位及其法向导数。
Afterwards, using the boundary element method to solve the integral equation we can obtain the magnetic potential and its normal derivative on the surface of the magnetic body.
在用直接边界元法解决弹性问题时,当场点与加载点重合时,边界积分方程将出现奇异。
When the direct boundary element method (DBEM) is used to solve an elastic problem and the field point coincides with the load point, the boundary integral will be strange.
本文提出了一个用边界积分方程——边界元法解克希霍夫平板弯曲问题的协调方案。
In this paper the kirchhoff plate bending problems have been solved by Boundary Element Method.
本文采用直接边界元法,研究了土的弹塑性、粘塑性(含蠕变)及温度应力等非弹性状的边界积分方程求解摸式。
With direct B. E. M. the boundary integral equations of soil for elastoplasticity, viscoplasticity cluding creep and temperature stress are researched and soluted.
基于PCB平面结构宽带天线,通过推导满足天线边界条件的电流积分方程,利用矩量法对PCB宽带加载天线进行了计算分析,在对计算结果分析的基础上,初步制作了单极和双极PCB加载天线。
A large part of this paper is an analysis of the using of Method Of Moment in PCB wideband planar loaded antenna on the basis of a wideband antenna in PCB planar structure.
基于PCB平面结构宽带天线,通过推导满足天线边界条件的电流积分方程,利用矩量法对PCB宽带加载天线进行了计算分析,在对计算结果分析的基础上,初步制作了单极和双极PCB加载天线。
A large part of this paper is an analysis of the using of Method Of Moment in PCB wideband planar loaded antenna on the basis of a wideband antenna in PCB planar structure.
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