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Electromagnetic Scattering using the Iterative Multi-Region Technique

[NT 42944] Record Type:	[NT 8598] Electronic resources : [NT 8250] Monograph/item
[NT 47271] Title/Author:	Electromagnetic Scattering using the Iterative Multi-Region Technique/ by Mohamed H Al Sharkawy, Veysel Demir, Atef Z. Elsherbeni.
[NT 47261] Author:	Al Sharkawy, Mohamed H.
[NT 51406] other author:	Demir, Veysel.
[NT 47264] Description:	VI, 99 p.online resource. :
[NT 47305] Contained By:	Springer Nature eBook
[NT 47266] Subject:	Engineering. -
[NT 47457] Online resource:	Fulltext (查閱電子書全文)
[NT 51404] ISBN:	9783031017025

Electromagnetic Scattering using the Iterative Multi-Region Technique
Al Sharkawy, Mohamed H.

Electromagnetic Scattering using the Iterative Multi-Region Technique[electronic resource] /by Mohamed H Al Sharkawy, Veysel Demir, Atef Z. Elsherbeni. - 1st ed. 2007. - VI, 99 p.online resource. - Synthesis Lectures on Computational Electromagnetics,1932-1716. - Synthesis Lectures on Computational Electromagnetics,.

Contents: Basics of the FDFD Method -- IMR Technique for Large-Scale Electromagnetic Scattering Problems: 3D Case -- IMR Technique for Large-Scale Electromagnetic Scattering Problems: 2D Case -- The IMR Algorithm Using a Hybrid FDFD and Method of Moments Technique -- Parallelization of the Iterative Multiregion Technique -- Combined Multigrid Technique and IMR Algorithm -- Concluding Remarks -- Appendices.

In this work, an iterative approach using the finite difference frequency domain method is presented to solve the problem of scattering from large-scale electromagnetic structures. The idea of the proposed iterative approach is to divide one computational domain into smaller subregions and solve each subregion separately. Then the subregion solutions are combined iteratively to obtain a solution for the complete domain. As a result, a considerable reduction in the computation time and memory is achieved. This procedure is referred to as the iterative multiregion (IMR) technique. Different enhancement procedures are investigated and introduced toward the construction of this technique. These procedures are the following: 1) a hybrid technique combining the IMR technique and a method of moment technique is found to be efficient in producing accurate results with a remarkable computer memory saving; 2) the IMR technique is implemented on a parallel platform that led to a tremendous computational time saving; 3) together, the multigrid technique and the incomplete lower and upper preconditioner are used with the IMR technique to speed up the convergence rate of the final solution, which reduces the total computational time. Thus, the proposed iterative technique, in conjunction with the enhancement procedures, introduces a novel approach to solving large open-boundary electromagnetic problems including unconnected objects in an efficient and robust way. Contents: Basics of the FDFD Method / IMR Technique for Large-Scale Electromagnetic Scattering Problems: 3D Case / IMR Technique for Large-Scale Electromagnetic Scattering Problems: 2D Case / The IMR Algorithm Using a Hybrid FDFD and Method of Moments Technique / Parallelization of the Iterative Multiregion Technique / Combined Multigrid Technique and IMR Algorithm / Concluding Remarks / Appendices.

ISBN: 9783031017025

Standard No.: 10.1007/978-3-031-01702-5doiSubjects--Topical Terms:

423497
Engineering.

LC Class. No.: T1-995

Dewey Class. No.: 620

Electromagnetic Scattering using the Iterative Multi-Region Technique
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520 $a In this work, an iterative approach using the finite difference frequency domain method is presented to solve the problem of scattering from large-scale electromagnetic structures. The idea of the proposed iterative approach is to divide one computational domain into smaller subregions and solve each subregion separately. Then the subregion solutions are combined iteratively to obtain a solution for the complete domain. As a result, a considerable reduction in the computation time and memory is achieved. This procedure is referred to as the iterative multiregion (IMR) technique. Different enhancement procedures are investigated and introduced toward the construction of this technique. These procedures are the following: 1) a hybrid technique combining the IMR technique and a method of moment technique is found to be efficient in producing accurate results with a remarkable computer memory saving; 2) the IMR technique is implemented on a parallel platform that led to a tremendous computational time saving; 3) together, the multigrid technique and the incomplete lower and upper preconditioner are used with the IMR technique to speed up the convergence rate of the final solution, which reduces the total computational time. Thus, the proposed iterative technique, in conjunction with the enhancement procedures, introduces a novel approach to solving large open-boundary electromagnetic problems including unconnected objects in an efficient and robust way. Contents: Basics of the FDFD Method / IMR Technique for Large-Scale Electromagnetic Scattering Problems: 3D Case / IMR Technique for Large-Scale Electromagnetic Scattering Problems: 2D Case / The IMR Algorithm Using a Hybrid FDFD and Method of Moments Technique / Parallelization of the Iterative Multiregion Technique / Combined Multigrid Technique and IMR Algorithm / Concluding Remarks / Appendices.
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