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- Different kinds of integrations have to be evaluated in boundary element methods.The nearly singular integral is the most difficult one of them. 摘要边界元法通常需要采用数值方法解决单元内的各种积分问题,而准奇异积分是各种积分中数值处理最为困难的部分。
- The difficulty of the treatment of the nearly singular integrals hindered applications of Boundary Element Method(BEM). 摘要几乎奇异积分的计算困难阻碍了边界元法的工程应用。
- The calculation of nearly singular integrals about points close to boundary in boundary integral equation 边界积分方程中近边界点几乎奇异积分的计算
- nearly singular integral 几乎奇异积分
- THE REGULARIZATION OF NEARLY SINGULAR INTEGRALS IN THE BEM OF TWO-DIMENSIONAL THERMOELASTICITY 二维热弹性力学边界元法中几乎奇异积分的正则化
- A Non-singular Algorithm for the Evaluation of the Nearly Singular Integrals in Boundary Element Methods 边界元法中计算几乎奇异积分的一种无奇异算法
- ANALYTIC ALGORITHM FOR NEARLY SINGULAR INTEGRALS IN TWO-DIMENSIONAL BOUNDARY ELEMENT ANALYSIS 二维边界元法中几乎奇异积分的解析法
- Analytical Algorithm of the Nearly Singular Integrals in Boundary Element Method to Orthotropic Potential Problems 正交各向异性位势问题边界元法中几乎奇异积分的解析算法
- nearly singular integrals 准奇异积分
- In boundary element methods,the common integrals are divided into three types,regular,nearly singular and singular. 对三维问题边界元方法中应用最广泛的常数边界元的积分提出一种精确积分方法。
- Oestreich[9] deal with an optimal control problem of such a type, however for a nonlinear singular integral equation. 在这个假设条件下,我们首先证明了状态方程解的存在唯一性和最优控制的存在性.
- The algorithm that solves weakly singular integral equation by Nystrom method is first discussed. 本文首先研究了Nystrom方法求解弱奇异积分方程的算法。
- An approximate solution of a class of singular integral equation is given, the error and the possibility of the solution is analysed and proved. 给出了一类奇异积分方程的一种近似解法,并对其误差进行了分析估计,同时验证了该方法的可行性.
- By using the method of spherical harmonic, the boundedness of a kind of singular integral operator in product domains is given in this paper. 摘要用球调和的方法研究了一类乘积空间上奇异积分算子的有界性,所获得的结果给出了以往奇异积分算子有界性的应用。
- After using the obtained elementary soluation,the singular integral equation for the collinear crack problem was obtained. 利用此基本解可得共线裂纹问题的奇异积分方程。
- The commutators [b, T] to be considered in this paper are composed of singular integral operators with Dini-type kernel defined as above and BMO functions. 本文考虑上述核具Dini型条件的奇异积分算子T与BMO函数构成的交换子[b,T]的端点估计,证明了交换子[b,T]满足L(log L)型不等式:
- Abstract: An approximate solution of a class of singular integral equation is given, the error and the possibility of the solution is analysed and proved. 文摘:给出了一类奇异积分方程的一种近似解法,并对其误差进行了分析估计,同时验证了该方法的可行性.
- Compared with NAH based on the boundary element method (BEM), variable interpolation, numerical calculation and disposal of singular integral are avoided in this method. 建立了基于分布源边界点法的声散射场重建和预测理论模型。
- 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。
- Although he's nearly fifty, he can still play tennis with the best. 尽管他已年近五十,可是他网球还是打得不比别人差。