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- Fast multipole BEM is a new algorithm developed for BEM these years. 快速多极边界元法(fast multipole BEM)是近几年发展起来的边界元新型算法。
- The fast multipole method(FMM) was used with the boundary element method(BEM) to predict fractures in large castings. 将快速多极算法(FMM)应用到边界元法(BEM)中,对断裂力学问题进行大规模计算。
- In the iterative process of IPO, the fast multipole method (FMM) is employed to accelerate computation. 采用快速多极子方法计算无限大导体平面上凹槽的雷达散射截面。
- In this paper, preconditioners for multi-level fast multipole algorithm (MLFMA) are investigated. 摘要研究了多层快速多极子算法(MLFMA)的预条件加速技术。
- The fast multipole method (FMM) and the Multilevel fast multipole algorithm (MLFMA) based on the method of moment (MOM) are the efficient algorithm for solving integral equation. 基于矩量法的快速多极子方法(FMM)和多层快速多极子方法(MLFMA)是积分方程的高效算法,其计算精度高,满足复杂目标散射特性分析的要求。
- In the conventional Fast Multipole Method (FMM), at all directions of translation between two groups should be computed, it is expensive. 传统的快速多极子(FMM)方法需要计算两组的转移因子以及转移过程的全部角谱分量，计算开销是非常大的。
- The computational complexity of MLFIPWA is the same as the multilevel fast multipole algorithm, so it can be used to solve large-scale problems. 多层快速非均匀平面波算法的计算复杂度等同于多层快速多极子方法，因此可用于电大尺寸问题的求解。
- The stress fields of such structure around the opening were predicted using a three-dimensional, higher-order fast multipole boundary element method. 为精确模拟该结构的应力状况,该文提出一种三维高阶快速多极边界元法。
- Multi-Level Fast Multipole Algorithm (MLFMA) is employed to accelerate the matrix-vector multiplication and solve the loss problem. 利用多层快速多极子方法(MLFMA)加速迭代求解过程中的矩阵矢量相乘运算，并用于有耗媒质求解。
- The fast multipole method is applied for calculatin g the radar cross section of a groove in a perfectly conducting plane. 采用快速多极子方法计算无限大导体平面上凹槽的雷达散射截面。
- The IPO method is applied to solve scattering of three-dimensional cavity.In the iterative process of IPO, the fast multipole method (FMM) is employed to accelerate computation. 利用迭代物理光学法(IPO)计算一般电大尺寸腔体的电磁散射特性,在迭代过程中用快速多极子方法(FMM)加速计算。
- A combination of finite element method (FEM) and fast multipole algorithm (FMA) is proposed to analyze the scattering problem of electrically large coated cylinders. 采用有限元-快速多极混合算法分析了介质涂层电大尺寸导体柱的电磁散射特性。
- The forward-backward methodology is combined with the fast multipole method(FMM) and the iterative physical optics(IPO) to improve convergence and computational efficiency. 详细推导了快速多极子方法结合迭代物理光学法和阻抗边界条件的混合计算公式。
- The results show that the higher-order, fast multipole boundary element method can be applied to large problems with high numerical accuracy for engineering designs. 研究结果表明,高阶快速多极边界元法易于分析此类大规模问题,并具有很高的数值计算精度,满足工程设计的要求。
- Electromagnetic scattering and radiation characteristic of large conductor object with arbitrary composition are analysed by fast multipole method (FMM). 摘要用快速多极算法分析具有任意线、面、体组合的电大尺寸理想导体目标的电磁散射和辐射特性。
- Abstract： A combination of finite element method (FEM) and fast multipole algorithm (FMA) is proposed to analyze the scattering problem of electrically large coated cylinders. 摘 要： 采用有限元-快速多极混合算法分析了介质涂层电大尺寸导体柱的电磁散射特性。
- The fast multipole method (FMM) and the multilevel fast multipole algorithm(MLFMA) are new efficient methods for analysis problems of electrically large objects. 快速多极子方法(FMM)和多层快速多极算法(MLFMA)是研究电大尺寸目标问题的新型的快速高效数值算法。
- A new method,which combines the fast multipole algorithm(FMA) with high order impedance boundary condition(HOIBC),is proposed to analyze the radar cross section(RCS) of dielectric coated cylinders. 将快速多极算法（FMA）与高阶阻抗边界条件（HOIBC）相结合，分析了有介质涂层的电大尺寸导体柱的雷达散射截面（RCS）。
- Result show that the large scale complex problem can be solved with fast multipole VBEM under the current personal computer hardware condition, and it can be extended in engineering application. 结果表明，快速多极虚边界元法能够在现有个人微机硬件条件下模拟大规模复杂问题，易于在工程实际中推广应用。
- The present paper applies fast multipole method (FMM) and multilevel fast multipole algorithm (MLFMA) based on the higher order moment of method (MOM) to solve scattering from complex target. 本文采用基于高阶矩量法的快速多极子方法（FMM）及多层快速多极子方法（MLFMA）计算复杂目标的电磁散射。
