The singular integration will affect the precision of the result while the Boundary Element Method (BEM) is used in calculating sound radiation.
边界元法应用于计算辐射声场时，由于奇异积分的存在，会影响到计算结果的精度。
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。
By introducing the method of rotation operator, we study the singular limits for the boundary problem of rigid wall in hydrokinetics equations.
采用旋度算子的方法研究流体动力学方程组固壁边界问题的奇异极限。
In this paper the boundary singular kernel method is used in EFGM to impose the essential boundary conditions exactly.
本文将边界奇异权方法运用于EFGM中，实现了本质边界条件在节点处的精确施加。
In this paper, we present a method for solving a class of singular second order two-point boundary value problems.
讨论了一类二阶奇异两点边值问题的一种求解方法。
The spline fictitious boundary element method (SFBEM) is a modified method to the conventional indirect singular boundary element method.
样条虚边界元法是针对传统间接奇异边界元法存在的问题而提出的一种半解析半数值方法。
In this paper we suggesst a finite element method for singular two point boundary value problems with singular solution by introducing singular basis with local support.
采用具有小支集的奇异基函数的有限元方法求解奇异两点边值问题的奇异解。
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。
In this paper, a method based on the combination of Manifold and Singular Boundary Element method to simulate seismic responses and failure processes of structures is presented.
本文提出了用流形无法和子域奇异边界元法相结合模拟结构地震响应及地震破坏的方法。
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。
The calculation of the initial stress (or initial strain) singular integrals in elastoplastic boundary element method is a difficult, but an important problem.
弹塑性边界元法中初应力(或初应变)奇异体积分的计算一直是一个较为困难、但又是非常重要的问题。
In this paper, the boundary layer function method, an effective method for the solution of singular perturbation, was presented and used to deal with the heat transfer in thin rectangular plates.
本文介绍了求解奇异摄动问题的一种有效方法——边界层函数法，并用此方法研究了在薄矩形板中的热传导问题。
The application range of boundary element method (BEM) is reduced in engineering for a long time due to the difficulty of evaluation of the nearly singular integrals.
边界元法中存在的几乎奇异积分的难题，一直限制着其在工程中的应用范围。
In this paper, a singular nonlinear elliptic boundary value problem which is very important in applied science and pure theory was discussed by the method of perturbation, sub-and super-solution.
本文利用摄动方法和上下解方法，讨论了一类奇异非线性椭圆边值问题，它具有很好的应用背景和理论意义。
On account of the difficulty of evaluating the nearly singular integrals in boundary element method (BEM), the application range of BEM is reduced in engineering for a long time.
边界元法中存在拟奇异积分计算难题，它一直限制着边界元法在工程中的应用范围。
So far, the numerical techniques solving the hyper-singular integral equations are established, and these are called finite-part integral-boundary element method.
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。
In this paper, the boundary element method for calculating surface crack is studied and suitable location or the singular isoparametric elements, is presented.
本文研究了计算半随圆表面裂纹应力强度因子的边界元方法。
The hyper-singular numerical integral occurred in the acoustic boundary element method has been dealt with using a regularization formulation.
利用正则化关系式处理了声学边界元方法中的超奇异数值积分。
Boundary element method (BEM) is a simple and effective numerical method to solve potential problems, but usually requires calculation of singular integral, even hyper-singular integrals.
边界元方法求解位势问题有效而简单，但通常需要数值计算奇异积分甚至超强奇异积分。
Boundary element method (BEM) is a simple and effective numerical method to solve potential problems, but usually requires calculation of singular integral, even hyper-singular integrals.
边界元方法求解位势问题有效而简单，但通常需要数值计算奇异积分甚至超强奇异积分。
应用推荐