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Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems
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| Zeitschriftentitel: | International Journal of Antennas and Propagation |
|---|---|
| Personen und Körperschaften: | , , |
| In: | International Journal of Antennas and Propagation, 2015, 2015, S. 1-8 |
| Medientyp: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
Hindawi Limited
|
| Schlagwörter: |
| author_facet |
Chen, Shu-Wen Lu, Feng Ma, Yao Chen, Shu-Wen Lu, Feng Ma, Yao |
|---|---|
| author |
Chen, Shu-Wen Lu, Feng Ma, Yao |
| spellingShingle |
Chen, Shu-Wen Lu, Feng Ma, Yao International Journal of Antennas and Propagation Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems Electrical and Electronic Engineering |
| author_sort |
chen, shu-wen |
| spelling |
Chen, Shu-Wen Lu, Feng Ma, Yao 1687-5869 1687-5877 Hindawi Limited Electrical and Electronic Engineering http://dx.doi.org/10.1155/2015/123739 <jats:p>A volume integral equation based fast algorithm using the Fast Fourier Transform of fitting Green’s function (FG-FFT) is proposed in this paper for analysis of electromagnetic scattering from 3D anisotropic dielectric objects. For the anisotropic VIE model, geometric discretization is still implemented by tetrahedron cells and the Schaubert-Wilton-Glisson (SWG) basis functions are also used to represent the electric flux density vectors. Compared with other Fast Fourier Transform based fast methods, using fitting Green’s function technique has higher accuracy and can be applied to a relatively coarse grid, so the Fast Fourier Transform of fitting Green’s function is selected to accelerate anisotropic dielectric model of volume integral equation for solving electromagnetic scattering problems. Besides, the near-field matrix elements in this method are used to construct preconditioner, which has been proved to be effective. At last, several representative numerical experiments proved the validity and efficiency of the proposed method.</jats:p> Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems International Journal of Antennas and Propagation |
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10.1155/2015/123739 |
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Hindawi Limited, 2015 |
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1687-5869 1687-5877 |
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2015 |
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Hindawi Limited |
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International Journal of Antennas and Propagation |
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| title |
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_unstemmed |
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_full |
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_fullStr |
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_full_unstemmed |
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_short |
Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_sort |
fitting green’s function fft acceleration applied to anisotropic dielectric scattering problems |
| topic |
Electrical and Electronic Engineering |
| url |
http://dx.doi.org/10.1155/2015/123739 |
| publishDate |
2015 |
| physical |
1-8 |
| description |
<jats:p>A volume integral equation based fast algorithm using the Fast Fourier Transform of fitting Green’s function (FG-FFT) is proposed in this paper for analysis of electromagnetic scattering from 3D anisotropic dielectric objects. For the anisotropic VIE model, geometric discretization is still implemented by tetrahedron cells and the Schaubert-Wilton-Glisson (SWG) basis functions are also used to represent the electric flux density vectors. Compared with other Fast Fourier Transform based fast methods, using fitting Green’s function technique has higher accuracy and can be applied to a relatively coarse grid, so the Fast Fourier Transform of fitting Green’s function is selected to accelerate anisotropic dielectric model of volume integral equation for solving electromagnetic scattering problems. Besides, the near-field matrix elements in this method are used to construct preconditioner, which has been proved to be effective. At last, several representative numerical experiments proved the validity and efficiency of the proposed method.</jats:p> |
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| author | Chen, Shu-Wen, Lu, Feng, Ma, Yao |
| author_facet | Chen, Shu-Wen, Lu, Feng, Ma, Yao, Chen, Shu-Wen, Lu, Feng, Ma, Yao |
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| container_title | International Journal of Antennas and Propagation |
| container_volume | 2015 |
| description | <jats:p>A volume integral equation based fast algorithm using the Fast Fourier Transform of fitting Green’s function (FG-FFT) is proposed in this paper for analysis of electromagnetic scattering from 3D anisotropic dielectric objects. For the anisotropic VIE model, geometric discretization is still implemented by tetrahedron cells and the Schaubert-Wilton-Glisson (SWG) basis functions are also used to represent the electric flux density vectors. Compared with other Fast Fourier Transform based fast methods, using fitting Green’s function technique has higher accuracy and can be applied to a relatively coarse grid, so the Fast Fourier Transform of fitting Green’s function is selected to accelerate anisotropic dielectric model of volume integral equation for solving electromagnetic scattering problems. Besides, the near-field matrix elements in this method are used to construct preconditioner, which has been proved to be effective. At last, several representative numerical experiments proved the validity and efficiency of the proposed method.</jats:p> |
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| series | International Journal of Antennas and Propagation |
| source_id | 49 |
| spelling | Chen, Shu-Wen Lu, Feng Ma, Yao 1687-5869 1687-5877 Hindawi Limited Electrical and Electronic Engineering http://dx.doi.org/10.1155/2015/123739 <jats:p>A volume integral equation based fast algorithm using the Fast Fourier Transform of fitting Green’s function (FG-FFT) is proposed in this paper for analysis of electromagnetic scattering from 3D anisotropic dielectric objects. For the anisotropic VIE model, geometric discretization is still implemented by tetrahedron cells and the Schaubert-Wilton-Glisson (SWG) basis functions are also used to represent the electric flux density vectors. Compared with other Fast Fourier Transform based fast methods, using fitting Green’s function technique has higher accuracy and can be applied to a relatively coarse grid, so the Fast Fourier Transform of fitting Green’s function is selected to accelerate anisotropic dielectric model of volume integral equation for solving electromagnetic scattering problems. Besides, the near-field matrix elements in this method are used to construct preconditioner, which has been proved to be effective. At last, several representative numerical experiments proved the validity and efficiency of the proposed method.</jats:p> Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems International Journal of Antennas and Propagation |
| spellingShingle | Chen, Shu-Wen, Lu, Feng, Ma, Yao, International Journal of Antennas and Propagation, Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems, Electrical and Electronic Engineering |
| title | Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_full | Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_fullStr | Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_full_unstemmed | Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_short | Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| title_sort | fitting green’s function fft acceleration applied to anisotropic dielectric scattering problems |
| title_unstemmed | Fitting Green’s Function FFT Acceleration Applied to Anisotropic Dielectric Scattering Problems |
| topic | Electrical and Electronic Engineering |
| url | http://dx.doi.org/10.1155/2015/123739 |