Narrow strip above ground plane transmission line formulation in the FDTD algorithm

BP Koh; CJ Railton; IJ Craddock

doi:10.1109/APS.2004.1329558

Narrow strip above ground plane transmission line formulation in the FDTD algorithm

BP Koh, CJ Railton, IJ Craddock

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

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Abstract

A number of thin wire formalisms for use in the FDTD method have been published over the years. One such formalism was published by Holland and Simpson (IEEE Trans., EMC-23, no. 2, pp. 88-97, 1981). Later, Ledfelt (Ph.D. Dissertation, Royal Institute of Technology, Stockholm, 2001) enhanced the method in order to improve the accuracy for arbitrarily positioned wires by using a "shell average" in order to derive the average electric field around the wire. This approach was further developed by Edelvik (Tech. Report no. 2002-016, Uppsala University, Sweden, 2002), who introduced a newly defined basis function to represent the current density around the wire. Very recently Koh et al (IEE Proc. 2004) extended this approach to allow wire transmission line problems to be treated. In this paper the methods used in Koh et al are, for the first time, applied to the treatment of narrow strips with various terminations. It is shown that, with the correct choice of in-cell inductance and the appropriate use of tri-linear distribution and shell-average interpolation, accurate results can be obtained without the need for a fine FDTD mesh.

Translated title of the contribution	Narrow strip above ground plane transmission line formulation in the FDTD algorithm
Original language	English
Title of host publication	IEEE Antennas and Propagation Society International Symposium 2004, Monterey, USA
Publisher	Institute of Electrical and Electronics Engineers (IEEE)
Pages	81 - 84
Number of pages	4
Volume	1
ISBN (Print)	0780383028
DOIs	https://doi.org/10.1109/APS.2004.1329558
Publication status	Published - Jun 2004
Event	IEEE Antennas and Propagation Society International Symposium - Monterey, United States Duration: 1 Jun 2004 → …

Conference

Conference	IEEE Antennas and Propagation Society International Symposium
Country/Territory	United States
City	Monterey
Period	1/06/04 → …

Bibliographical note

Rose publication type: Conference contribution

Terms of use: Copyright © 2004 IEEE. Reprinted from IEEE Antennas and Propagation Society International Symposium, 2004. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected].

By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

Keywords

finite difference time-domain analysis (FDTD)
interpolation
transmission line theory

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10.1109/APS.2004.1329558

Koh IEEE AntPropSymAccepted author manuscript, 160 KB

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Cite this

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title = "Narrow strip above ground plane transmission line formulation in the FDTD algorithm",

abstract = "A number of thin wire formalisms for use in the FDTD method have been published over the years. One such formalism was published by Holland and Simpson (IEEE Trans., EMC-23, no. 2, pp. 88-97, 1981). Later, Ledfelt (Ph.D. Dissertation, Royal Institute of Technology, Stockholm, 2001) enhanced the method in order to improve the accuracy for arbitrarily positioned wires by using a {"}shell average{"} in order to derive the average electric field around the wire. This approach was further developed by Edelvik (Tech. Report no. 2002-016, Uppsala University, Sweden, 2002), who introduced a newly defined basis function to represent the current density around the wire. Very recently Koh et al (IEE Proc. 2004) extended this approach to allow wire transmission line problems to be treated. In this paper the methods used in Koh et al are, for the first time, applied to the treatment of narrow strips with various terminations. It is shown that, with the correct choice of in-cell inductance and the appropriate use of tri-linear distribution and shell-average interpolation, accurate results can be obtained without the need for a fine FDTD mesh.",

keywords = "finite difference time-domain analysis (FDTD), interpolation, transmission line theory",

author = "BP Koh and CJ Railton and IJ Craddock",

note = "Rose publication type: Conference contribution Terms of use: Copyright {\textcopyright} 2004 IEEE. Reprinted from IEEE Antennas and Propagation Society International Symposium, 2004. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected]. By choosing to view this document, you agree to all provisions of the copyright laws protecting it. ; IEEE Antennas and Propagation Society International Symposium ; Conference date: 01-06-2004",

year = "2004",

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Koh, BP, Railton, CJ & Craddock, IJ 2004, Narrow strip above ground plane transmission line formulation in the FDTD algorithm. in IEEE Antennas and Propagation Society International Symposium 2004, Monterey, USA. vol. 1, Institute of Electrical and Electronics Engineers (IEEE), pp. 81 - 84, IEEE Antennas and Propagation Society International Symposium, Monterey, United States, 1/06/04. https://doi.org/10.1109/APS.2004.1329558

Narrow strip above ground plane transmission line formulation in the FDTD algorithm. / Koh, BP; Railton, CJ; Craddock, IJ.
IEEE Antennas and Propagation Society International Symposium 2004, Monterey, USA. Vol. 1 Institute of Electrical and Electronics Engineers (IEEE), 2004. p. 81 - 84.

Research output: Chapter in Book/Report/Conference proceeding › Conference Contribution (Conference Proceeding)

TY - GEN

T1 - Narrow strip above ground plane transmission line formulation in the FDTD algorithm

AU - Koh, BP

AU - Railton, CJ

AU - Craddock, IJ

N1 - Rose publication type: Conference contribution Terms of use: Copyright © 2004 IEEE. Reprinted from IEEE Antennas and Propagation Society International Symposium, 2004. This material is posted here with permission of the IEEE. Such permission of the IEEE does not in any way imply IEEE endorsement of any of the University of Bristol's products or services. Internal or personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution must be obtained from the IEEE by writing to [email protected]. By choosing to view this document, you agree to all provisions of the copyright laws protecting it.

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N2 - A number of thin wire formalisms for use in the FDTD method have been published over the years. One such formalism was published by Holland and Simpson (IEEE Trans., EMC-23, no. 2, pp. 88-97, 1981). Later, Ledfelt (Ph.D. Dissertation, Royal Institute of Technology, Stockholm, 2001) enhanced the method in order to improve the accuracy for arbitrarily positioned wires by using a "shell average" in order to derive the average electric field around the wire. This approach was further developed by Edelvik (Tech. Report no. 2002-016, Uppsala University, Sweden, 2002), who introduced a newly defined basis function to represent the current density around the wire. Very recently Koh et al (IEE Proc. 2004) extended this approach to allow wire transmission line problems to be treated. In this paper the methods used in Koh et al are, for the first time, applied to the treatment of narrow strips with various terminations. It is shown that, with the correct choice of in-cell inductance and the appropriate use of tri-linear distribution and shell-average interpolation, accurate results can be obtained without the need for a fine FDTD mesh.

AB - A number of thin wire formalisms for use in the FDTD method have been published over the years. One such formalism was published by Holland and Simpson (IEEE Trans., EMC-23, no. 2, pp. 88-97, 1981). Later, Ledfelt (Ph.D. Dissertation, Royal Institute of Technology, Stockholm, 2001) enhanced the method in order to improve the accuracy for arbitrarily positioned wires by using a "shell average" in order to derive the average electric field around the wire. This approach was further developed by Edelvik (Tech. Report no. 2002-016, Uppsala University, Sweden, 2002), who introduced a newly defined basis function to represent the current density around the wire. Very recently Koh et al (IEE Proc. 2004) extended this approach to allow wire transmission line problems to be treated. In this paper the methods used in Koh et al are, for the first time, applied to the treatment of narrow strips with various terminations. It is shown that, with the correct choice of in-cell inductance and the appropriate use of tri-linear distribution and shell-average interpolation, accurate results can be obtained without the need for a fine FDTD mesh.

KW - finite difference time-domain analysis (FDTD)

KW - interpolation

KW - transmission line theory

U2 - 10.1109/APS.2004.1329558

DO - 10.1109/APS.2004.1329558

M3 - Conference Contribution (Conference Proceeding)

SN - 0780383028

VL - 1

SP - 81

EP - 84

BT - IEEE Antennas and Propagation Society International Symposium 2004, Monterey, USA

PB - Institute of Electrical and Electronics Engineers (IEEE)

T2 - IEEE Antennas and Propagation Society International Symposium

Y2 - 1 June 2004

ER -

Narrow strip above ground plane transmission line formulation in the FDTD algorithm

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Keywords

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