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- Title
An Efficient Parallel FE-BI Algorithm for Large-scale Scattering Problems.
- Authors
Fan, Z. H.; Chen, M.; Chen, R. S.; Ding, D. Z.
- Abstract
In this paper, we present fast and accurate solutions of large-scale scattering problems involving three-dimensional objects with arbitrary shapes using parallel finite element-integral boundary integral method (FE-BI). Particularly, an efficient parallel preconditioner is constructed with both the finite-element matrix and the near-field part of the boundary integral equation operator for the ill-conditioned linear system formulated by the FE-BI. With an efficient parallelization of FE-BI, scattering problems that are discretized with millions of unknowns could be easily solved on distributed-memory computers. The numerical results are presented to demonstrate the accuracy and efficiency of the proposed method.
- Subjects
SCATTERING (Mathematics); FINITE element method; LINEAR differential equations; NUMERICAL analysis; FUNCTIONAL analysis
- Publication
Applied Computational Electromagnetics Society Journal, 2011, Vol 26, Issue 10, p831
- ISSN
1054-4887
- Publication type
Article