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.
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；
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.
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。
By the first integral method, the existence, uniqueness and nonexistence of solutions for some nonlinear ordinary differential equations with singular boundary condition are discussed.
用首次积分法，讨论了带奇异边界条件的非线性常微分方程解的存在性、不存在性和唯一性。
The numerical results show that higher spline weight functions in the local boundary integral equation method have excellent properties.
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。
In this paper, a boundary integral equation method is applied to compute the dynamic stress intensity factors of collinear periodic antiplane cracks.
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。
We present a quadrature method for mixed boundary integral equations of stable problems, which provides high accuracy and less complexity.
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。
The algebraic equation from the dual boundary integral equations(DBIE) was solved using the generalized minimum residual method(GMRES).
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 nonlinear boundary value problem of the corrugated diaphragm reduces to the nonlinear integral equations by applying the method of Green's function.
应用格林函数方法，将波纹膜片的非线性边值问题化为非线性积分方程进行求解。
In numerical calculation, the paper employs the collocation method to compute the coupled boundary integral equations with quadrangle constant elements.
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。
The traditional boundary element method of outside domain singularity points for plate bending problems needs two boundary integral equations.
传统的平板弯曲边界元域外奇点法要求建立二个边界积分方程才能求解。
By means of boundary element method, the pressure distribution problems in petroleum industry are transformed into corresponding boundary integral equation.
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。
With the consideration of surface tension the boundary integral method and numerical solution method for simulation of a cavitation bubble collapsing near a rigid wall are derived.
导出了考虑表面张力影响下模拟固壁附近溃灭空化气泡特性的边界积分方法及数值求解方法。
The direct problem was solved by DRBEM, which eliminated the drawback of domain integral for classical boundary element method and resulted in pure boundary integral calculation.
正问题采用双倒易边界元法求解，该法避免了传统边界元法需进行区域积分的缺点，仅需纯边界积分计算。
The numerical method of coupled boundary integral equation and finite element has been used to compute the forces of wave diffraction and radiation on large two dimensional objects.
本文中采用边界积分方程和有限元耦合的数值方法，计算了二维波浪绕射和辐射问题。
The author discusses a class of general of singular boundary value problems by using the first integral method, and the necessary and sufficient condition of positive solutions was obtained.
运用首次积分法讨论了较广泛的一类常微分方程边值问题，得到了正解存在的充要条件。
Compared with Finite Element Method and Finite Difference Method, Boundary Integral Equation Method is computationally more efficient.
与有限元法和有限差分法相比，该方法具有更高的计算效率。
In this paper boundary integral method is generalized to solve the problem of bending of heavy camber cantalever beam.
采用边界积分法求解了大挠度悬臂梁的弯曲问题，给出了求解大挠度悬臂梁的解析解的新方法。
An integral method associated with direct and inverse mode is presented for the calculation of compressible turbulent boundary layer with separations over airfoil.
本文介绍了一种求解二维可压缩紊流分离边界层的正反积分方法。
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.
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。
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.
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。
A new analytical integral algorithm is proposed and applied to the evaluation of the nearly singular integrals in the Boundary Element Method for 2d anisotropic potential problems.
导出了一种解析积分算法，精确计算了二维各向异性位势问题边界元法中近边界点的几乎奇异积分。
The method is used to build the boundary integral equation by a serious of particular solutions. It can avoid calculating the coefficient matrix directly.
该方法通过一系列特解来建立边界积分方程，从而避免了其系数矩阵的直接计算。
The governing integral equations are established by the method of mixed boundary-condition land the simplified form is given.
用混合边界条件方法建立了问题的确定积分方程组，并进行了简化。
Modeling the propagation and end wall reflection of a fully nonlinear solitary wave with the boundary integral equation method is reported in the paper.
报道了应用边界积分方法模拟完全非线性孤立波的传播与直墙反射，给出了波形演变过程。
Solutions of the boundary layer momentum integral equations of vanes in centrifugal pumps are given and their calculation method and their illustration with example are given too.
给出了离心泵叶片表面的边界层动量积分方程的解的构造及其计算方法，并以计算实例说明了该解的唯一性和算法的稳定性、收敛性。
The efficiency of above-mentioned method for solving these problems is tested by comparison with the boundary integral method.
并通过与边界积分方法比较，验证了有限元—人工透射边界方法对解决此类问题的有效性。
The boundary integral equation is discretized by the boundary element method.
运用边界单元法将边界积分离散化。
When the integral program problem is multi dimensional, branch boundary method and cutting plane approach are applicable for solving the problem.
整数规划问题为多维时，理论上可以用分枝定界方法与割平面方法求解。
Their results show that the dynamic boundary element method is effective in the analysis of soil-structure interaction. boundary integral equation, potential function. Laplace transform.
结果表明动力边界单元法在土一结构动力耦合效应问题中的分析是一种有效的方法。
Inverse integral method is used for compressible turbulent boundary layer.
湍流边界层采用积分反方法。
应用推荐