Parallel Solution of Integral Equation‐Based EM Problems in the Frequency Domain

Yu, Zhensheng; Sarkar, Tapan K.

doi:10.1002/9780470495094

Cited by 97 publications

(82 citation statements)

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“…Parallel computing applied to solving electromagnetic problems is broadly spread [6,27,32]. Among the growing number of parallel hardware, the Graphics Processing Units (GPUs) may be considered the most outstanding architecture, since they offer massive computing capabilities and they are widely deployed.…”

Section: Introductionmentioning

confidence: 99%

Fast Antenna Characterization Using the Sources Reconstruction Method on Graphics Processors

López-Fernández¹,

López-Portugués²,

Álvarez³

et al. 2012

PIER

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Abstract-The Sources Reconstruction Method (SRM) is a noninvasive technique for, among other applications, antenna characterization. The SRM is based on obtaining a distribution of equivalent currents that radiate the same field as the antenna under test. The computation of these currents requires solving a linear system, usually ill-posed, that may be very computationally demanding for commercial antennas. Graphics Processing Units (GPUs) are an interesting hardware choice for solving compute-bound problems that are prone to parallelism. In this paper, we present an implementation on GPUs of the SRM applied to antenna characterization that is based on a compute-bound algorithm with a high degree of parallelism. The GPU implementation introduced in this work provides a dramatic reduction on the time cost compared to our CPU implementation and, in addition, keeps the low-memory footprint of the latter. For the sake of illustration, the equivalent currents are obtained on a base station antenna array and a helix antenna working at practical frequencies. Quasi real-time results are obtained on a desktop workstation.

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Section: Introductionmentioning

confidence: 99%

Fast Antenna Characterization Using the Sources Reconstruction Method on Graphics Processors

López-Fernández¹,

López-Portugués²,

Álvarez³

et al. 2012

PIER

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“…And the hybrid MOM-PO method based parallel was proposed in [8] to deduce the computational time. Commercial software HOBIES [9][10][11] (Higher-order Basis functions based Integral Equation Solver), is a general purpose Frequency Domain Electromagnetic integral equation solver. HOBIES provides solutions based on MoM employing higher order basis functions.…”

Section: Introductionmentioning

confidence: 99%

Analysis of Complex Antenna Around Electrically Large Platform Using Iterative Vector Fields and Utd Method

He¹,

Huang²,

Liang³

2009

PIER M

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Abstract-A new efficient technique for the analysis of complex antenna around a scatterer is proposed in this paper, termed the iterative vector fields with uniform geometrical theory of diffraction (UTD) technique. The complex field vector components on the closed surface enclosing the antenna without platform are computed by higher order Method of Moments (MOM), and the scattered fields from the platform are calculated by UTD method. The process of iteration is implemented according to the equivalence theorem. Based on this approach, an approximation method is outlined, in which the computational time is saved largely, while the accuracy is not reduced. The relative patterns obtained from the present method and the approximation method both show good agreements with that obtained from MOM.

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“…The basic principle of LU decomposition is briefly reviewed firstly in this section, the readers are referred to [3], [4] for an in-depth discussion.…”

Section: Preliminariesmentioning

confidence: 99%

“…To avoid slow convergence or divergence issue of the iterative solver, the LU decomposition is utilized as the matrix equation solver here. However, with the electrical size of problems increasing, the solution time of LU solver increases rapidly due to the computational complexity of O(N 3 ), where N is the number of unknowns [4]. With the rapid development in computer hardware capabilities, parallel computing technique has become an efficient approach to solve extremely complicated engineering problems.…”

Section: Introductionmentioning

confidence: 99%

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Hybrid MIC/CPU Parallel Implementation of MoM on MIC Cluster for Electromagnetic Problems

Chen

Zhang

et al. 2016

IEICE Trans. Electron.

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SUMMARYIn this paper, a Many Integrated Core Architecture (MIC) accelerated parallel method of moment (MoM) algorithm is proposed to solve electromagnetic problems in practical applications, where MIC means a kind of coprocessor or accelerator in computer systems which is used to accelerate the computation performed by Central Processing Unit (CPU). Three critical points are introduced in this paper in detail. The first one is the design of the parallel framework, which ensures that the algorithm can run on distributed memory platform with multiple nodes. The hybrid Message Passing Interface (MPI) and Open Multi-Processing (OpenMP) programming model is designed to achieve the purposes. The second one is the out-of-core algorithm, which greatly breaks the restriction of MIC memory. The third one is the pipeline algorithm which overlaps the data movement with MIC computation. The pipeline algorithm successfully hides the communication and thus greatly enhances the performance of hybrid MIC/CPU MoM. Numerical result indicates that the proposed algorithm has good parallel efficiency and scalability, and twice faster performance when compared with the corresponding CPU algorithm. key words: MIC accelerating MoM, MPI and OpenMP parallel programming mode, multiple nodes, out-of-core, pipeline

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Parallel Solution of Integral Equation‐Based EM Problems in the Frequency Domain

Cited by 97 publications

References 0 publications

Fast Antenna Characterization Using the Sources Reconstruction Method on Graphics Processors

Fast Antenna Characterization Using the Sources Reconstruction Method on Graphics Processors

Analysis of Complex Antenna Around Electrically Large Platform Using Iterative Vector Fields and Utd Method

Hybrid MIC/CPU Parallel Implementation of MoM on MIC Cluster for Electromagnetic Problems

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