Hybrid LEGO-CBF method for the analysis of locally complex metallic structures

R. Bojanic; V. Lancellotti

doi:10.1109/ICEAA.2017.8065366

Hybrid LEGO-CBF method for the analysis of locally complex metallic structures

R. Bojanic, V. Lancellotti

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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Abstract

An enhanced version of the Linear Embedding via Green's Operators (LEGO) method is introduced to analyze complex 3-D metallic structures located inside a single electromagnetic (EM) brick. For the sake of computational efficiency and memory storage requirement the surface of the entire structure is divided into smaller sub-domains and over each pair of neighboring sub-domains is defined set of characteristic basis functions (CBFs). To compress the problem all CBFs which are associated with insignificant singular values are truncated. Various comparisons between the direct solution which solves Electric Field Integral Equation (EFIE) directly over the structure and LEGO approach using CBFs are shown to prove the concept.

Original language	English
Title of host publication	2017 19th International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 September 2017, Verona, Italy
Place of Publication	Piscataway
Publisher	Institute of Electrical and Electronics Engineers
Pages	784-787
Number of pages	4
ISBN (Electronic)	978-1-5090-4451-1
ISBN (Print)	978-1-5090-4452-8
DOIs	https://doi.org/10.1109/ICEAA.2017.8065366
Publication status	Published - 11 Oct 2017
Event	19th International Conference on Electromagnetics in Advanced Applications (ICEAA 2017) - Verona, Italy Duration: 11 Sept 2017 → 15 Sept 2017 Conference number: 19 http://www.iceaa.net/j3/

Conference

Conference	19th International Conference on Electromagnetics in Advanced Applications (ICEAA 2017)
Abbreviated title	ICEAA 2017
Country/Territory	Italy
City	Verona
Period	11/09/17 → 15/09/17
Internet address	http://www.iceaa.net/j3/

Keywords

Linear embedding via Green's operator (LEGO)
Characteristic basis functions (CBFs)
Electric field integral equations (EFIE)
Domain decomposition
Scattering operator

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Bojanic, R., & Lancellotti, V. (2017). Hybrid LEGO-CBF method for the analysis of locally complex metallic structures. In 2017 19th International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 September 2017, Verona, Italy (pp. 784-787). Article 8065366 Institute of Electrical and Electronics Engineers. https://doi.org/10.1109/ICEAA.2017.8065366

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title = "Hybrid LEGO-CBF method for the analysis of locally complex metallic structures",

abstract = "An enhanced version of the Linear Embedding via Green's Operators (LEGO) method is introduced to analyze complex 3-D metallic structures located inside a single electromagnetic (EM) brick. For the sake of computational efficiency and memory storage requirement the surface of the entire structure is divided into smaller sub-domains and over each pair of neighboring sub-domains is defined set of characteristic basis functions (CBFs). To compress the problem all CBFs which are associated with insignificant singular values are truncated. Various comparisons between the direct solution which solves Electric Field Integral Equation (EFIE) directly over the structure and LEGO approach using CBFs are shown to prove the concept.",

keywords = "Linear embedding via Green's operator (LEGO), Characteristic basis functions (CBFs), Electric field integral equations (EFIE), Domain decomposition, Scattering operator",

author = "R. Bojanic and V. Lancellotti",

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publisher = "Institute of Electrical and Electronics Engineers",

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Bojanic, R & Lancellotti, V 2017, Hybrid LEGO-CBF method for the analysis of locally complex metallic structures. in 2017 19th International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 September 2017, Verona, Italy., 8065366, Institute of Electrical and Electronics Engineers, Piscataway, pp. 784-787, 19th International Conference on Electromagnetics in Advanced Applications (ICEAA 2017), Verona, Italy, 11/09/17. https://doi.org/10.1109/ICEAA.2017.8065366

Hybrid LEGO-CBF method for the analysis of locally complex metallic structures. / Bojanic, R.; Lancellotti, V.
2017 19th International Conference on Electromagnetics in Advanced Applications (ICEAA), 11-15 September 2017, Verona, Italy. Piscataway: Institute of Electrical and Electronics Engineers, 2017. p. 784-787 8065366.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Academic › peer-review

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N2 - An enhanced version of the Linear Embedding via Green's Operators (LEGO) method is introduced to analyze complex 3-D metallic structures located inside a single electromagnetic (EM) brick. For the sake of computational efficiency and memory storage requirement the surface of the entire structure is divided into smaller sub-domains and over each pair of neighboring sub-domains is defined set of characteristic basis functions (CBFs). To compress the problem all CBFs which are associated with insignificant singular values are truncated. Various comparisons between the direct solution which solves Electric Field Integral Equation (EFIE) directly over the structure and LEGO approach using CBFs are shown to prove the concept.

AB - An enhanced version of the Linear Embedding via Green's Operators (LEGO) method is introduced to analyze complex 3-D metallic structures located inside a single electromagnetic (EM) brick. For the sake of computational efficiency and memory storage requirement the surface of the entire structure is divided into smaller sub-domains and over each pair of neighboring sub-domains is defined set of characteristic basis functions (CBFs). To compress the problem all CBFs which are associated with insignificant singular values are truncated. Various comparisons between the direct solution which solves Electric Field Integral Equation (EFIE) directly over the structure and LEGO approach using CBFs are shown to prove the concept.

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KW - Characteristic basis functions (CBFs)

KW - Electric field integral equations (EFIE)

KW - Domain decomposition

KW - Scattering operator

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Hybrid LEGO-CBF method for the analysis of locally complex metallic structures

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