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Evaluation of the diffusion equation for modeling reverberant electromagnetic fields

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Evaluation of the diffusion equation for modeling reverberant electromagnetic fields. / Flintoft, Ian David; Marvin, Andrew Charles; Funn, Foo Inn; Dawson, Linda; Zhang, Xiaotian; Robinson, Martin Paul; Dawson, John Frederick.

In: IEEE Transactions on Electromagnetic Compatibility, Vol. 59, No. 3, 06.2017, p. 760-769.

Research output: Contribution to journalArticle

Harvard

Flintoft, ID, Marvin, AC, Funn, FI, Dawson, L, Zhang, X, Robinson, MP & Dawson, JF 2017, 'Evaluation of the diffusion equation for modeling reverberant electromagnetic fields', IEEE Transactions on Electromagnetic Compatibility, vol. 59, no. 3, pp. 760-769. https://doi.org/10.1109/TEMC.2016.2623356

APA

Flintoft, I. D., Marvin, A. C., Funn, F. I., Dawson, L., Zhang, X., Robinson, M. P., & Dawson, J. F. (2017). Evaluation of the diffusion equation for modeling reverberant electromagnetic fields. IEEE Transactions on Electromagnetic Compatibility, 59(3), 760-769. https://doi.org/10.1109/TEMC.2016.2623356

Vancouver

Flintoft ID, Marvin AC, Funn FI, Dawson L, Zhang X, Robinson MP et al. Evaluation of the diffusion equation for modeling reverberant electromagnetic fields. IEEE Transactions on Electromagnetic Compatibility. 2017 Jun;59(3):760-769. https://doi.org/10.1109/TEMC.2016.2623356

Author

Flintoft, Ian David ; Marvin, Andrew Charles ; Funn, Foo Inn ; Dawson, Linda ; Zhang, Xiaotian ; Robinson, Martin Paul ; Dawson, John Frederick. / Evaluation of the diffusion equation for modeling reverberant electromagnetic fields. In: IEEE Transactions on Electromagnetic Compatibility. 2017 ; Vol. 59, No. 3. pp. 760-769.

Bibtex - Download

@article{2bd179e3d4424c77aa95d60fe80b6bcb,
title = "Evaluation of the diffusion equation for modeling reverberant electromagnetic fields",
abstract = "Determination of the distribution of electromagnetic energy inside electrically large enclosed spaces is important in many electromagnetic compatibility applications, such as certification of aircraft and equipment shielding enclosures. The field inside such enclosed environments contains a dominant diffuse component due to multiple randomizing reflections from the enclosing surfaces. The power balance technique has been widely applied to the analysis of such problems; however, it is unable to account for the inhomogeneities in the field that arise when the absorption in the walls and contents of the enclosure is significant. In this paper we show how a diffusion equation approach can be applied to modeling diffuse electromagnetic fields and evaluate its potential for use in electromagnetic compatibility applications. Two canonical examples were investigated: A loaded cavity and two cavities coupled by a large aperture. The predictions of the diffusion model were compared to measurement data and found to be in good agreement. The diffusion model has a very low computational cost compared to other applicable techniques, such as full-wave simulation and ray-tracing, offering the potential for a radical increase in the efficiency of the solution high frequency electromagnetic shielding problems with complex topologies.",
keywords = "asymptotic techniques, power balance, absorption cross-section, reverberation chamber, shielding",
author = "Flintoft, {Ian David} and Marvin, {Andrew Charles} and Funn, {Foo Inn} and Linda Dawson and Xiaotian Zhang and Robinson, {Martin Paul} and Dawson, {John Frederick}",
note = "{\circledC} 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.",
year = "2017",
month = "6",
doi = "10.1109/TEMC.2016.2623356",
language = "English",
volume = "59",
pages = "760--769",
journal = "IEEE Transactions on Electromagnetic Compatibility",
issn = "0018-9375",
publisher = "Institute of Electrical and Electronics Engineers Inc.",
number = "3",

}

RIS (suitable for import to EndNote) - Download

TY - JOUR

T1 - Evaluation of the diffusion equation for modeling reverberant electromagnetic fields

AU - Flintoft, Ian David

AU - Marvin, Andrew Charles

AU - Funn, Foo Inn

AU - Dawson, Linda

AU - Zhang, Xiaotian

AU - Robinson, Martin Paul

AU - Dawson, John Frederick

N1 - © 2016 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.

PY - 2017/6

Y1 - 2017/6

N2 - Determination of the distribution of electromagnetic energy inside electrically large enclosed spaces is important in many electromagnetic compatibility applications, such as certification of aircraft and equipment shielding enclosures. The field inside such enclosed environments contains a dominant diffuse component due to multiple randomizing reflections from the enclosing surfaces. The power balance technique has been widely applied to the analysis of such problems; however, it is unable to account for the inhomogeneities in the field that arise when the absorption in the walls and contents of the enclosure is significant. In this paper we show how a diffusion equation approach can be applied to modeling diffuse electromagnetic fields and evaluate its potential for use in electromagnetic compatibility applications. Two canonical examples were investigated: A loaded cavity and two cavities coupled by a large aperture. The predictions of the diffusion model were compared to measurement data and found to be in good agreement. The diffusion model has a very low computational cost compared to other applicable techniques, such as full-wave simulation and ray-tracing, offering the potential for a radical increase in the efficiency of the solution high frequency electromagnetic shielding problems with complex topologies.

AB - Determination of the distribution of electromagnetic energy inside electrically large enclosed spaces is important in many electromagnetic compatibility applications, such as certification of aircraft and equipment shielding enclosures. The field inside such enclosed environments contains a dominant diffuse component due to multiple randomizing reflections from the enclosing surfaces. The power balance technique has been widely applied to the analysis of such problems; however, it is unable to account for the inhomogeneities in the field that arise when the absorption in the walls and contents of the enclosure is significant. In this paper we show how a diffusion equation approach can be applied to modeling diffuse electromagnetic fields and evaluate its potential for use in electromagnetic compatibility applications. Two canonical examples were investigated: A loaded cavity and two cavities coupled by a large aperture. The predictions of the diffusion model were compared to measurement data and found to be in good agreement. The diffusion model has a very low computational cost compared to other applicable techniques, such as full-wave simulation and ray-tracing, offering the potential for a radical increase in the efficiency of the solution high frequency electromagnetic shielding problems with complex topologies.

KW - asymptotic techniques, power balance, absorption cross-section, reverberation chamber, shielding

U2 - 10.1109/TEMC.2016.2623356

DO - 10.1109/TEMC.2016.2623356

M3 - Article

VL - 59

SP - 760

EP - 769

JO - IEEE Transactions on Electromagnetic Compatibility

T2 - IEEE Transactions on Electromagnetic Compatibility

JF - IEEE Transactions on Electromagnetic Compatibility

SN - 0018-9375

IS - 3

ER -