Finite-Difference Analysis of EMP Coupling to Thin Struts and Wires

Holland, Robert C.; Simpson, Larry

doi:10.1109/temc.1981.303899

Cited by 242 publications

(110 citation statements)

References 7 publications

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“…The method is described in [3] and can be considered as an extension to the "thin-wire formalisms" [4] in such a way as to allow more complex structures, such as microstrip circuits, to be analysed. Alternatively it can be viewed as a hybrid between the FDTD method and the PEEC method [8].…”

Section: The Hybrid Methodsmentioning

confidence: 99%

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Modelling of a microstrip patch antenna using a hybrid FDTD/PEEC method

Railton

2008

IET 7th International Conference on Computation in Electromagnetics (CEM 2008)

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Section: The Hybrid Methodsmentioning

confidence: 99%

“…In a previous contribution [3] a new approach was introduced which enhances FDTD by including a generalisation of the "thin wire formalisms" originally introduced by Holland and Simpson [4] and further developed by several groups eg. [5] [6] including University of Bristol [7].…”

Section: Introductionmentioning

confidence: 99%

Modelling of a microstrip patch antenna using a hybrid FDTD/PEEC method

Railton

2008

IET 7th International Conference on Computation in Electromagnetics (CEM 2008)

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“…In our FDTD code, all wires are implemented with Holland and Simpson formalism [9]. A voltage source can be added on the wire with a time signal known as Rayleigh pulse [10] which presents a null zero-frequency component, helpful for Fourier Transform and frequency domain analysis.…”

Section: Principles Of Computing and Design Of The Antennasmentioning

confidence: 99%

Simulations and Effects of Natural Environments on Low Frequency Antennas With Three-Dimensional FDTD Method

Vincent¹,

Borderies²,

Poirier³

et al. 2014

PIER M

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Abstract-Three-dimensional Finite-Difference in Time-Domain method is applied to simulate Low Frequency antennas in the presence of natural environments. All antennas are made up of wires set down on a square shaped ground plane and their dimensions depend on the wavelength of the source. Both monopole and inverted L antennas are considered in this paper. The antenna systems are computed in the presence of two examples of natural elements: a large forest and then on the top of a hill. The main aim of this paper is to show the effects of these environments on the properties of the antennas and on the efficiency of the ground wave excitation. The outcome of these investigations shows a power ratio enhancement of several decibels when the two kinds of antenna described in this paper are located on the top of a hill. On the other hand, the effects of a large forest depend on the geometry of the antenna. It doesn't affect the radiation of a quarter-wave monopole antenna, on the contrary losses disrupt radiation when an inverted L antenna is built in the middle of a large forest.

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“…The excitation is an infinite line current source and the wires are modeled using Holland et al thin wires formalism [13]. Electric walls are used in the vertical direction.…”

Section: Cebg Structures With Different Defect Configurationsmentioning

confidence: 99%

“…To obtain the beam switching, the proposed technique consists of creating defects with discontinuous wires in an initial continuous wires structure, in order to obtain a directive beam turning on 360 • . The proposed systems allows to avoid the inconvenience of deterioration of mechanically steering systems and reduces also the complexity and the cost by comparison with adaptive antenna arrays [12] or phased arrays [13]. However, the focusing characteristics of CEBG structures composed of metallic wires and with defects have not been studied enough.…”

Section: Introductionmentioning

confidence: 99%

Focusing Characteristics of a Metallic Cylindrical Electromagnetic Band Gap Structure With Defects

Boutayeb¹,

Tarot²,

Mahdjoubi³

2006

PIER

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Abstract-The focusing characteristics of 2D-Cylindrical Electromagnetic Band Gap (CEBG) structures constituted of metallic wires and with defects are analyzed numerically for directive antennas application. The introduction of defects into the periodic structures consists of removing one or multiple wires. The simulations were carried out with a Finite Difference Time Domain (FDTD) code, where the excitation is a line source and the CEBG structure is considered infinite in the vertical direction. Numerical results showing the effects of the number of cylindrical layers and of the number of defects are presented and discussed. These results allow to determine the structures giving best focusing performance and to obtain the frequency band for directive radiation.

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Finite-Difference Analysis of EMP Coupling to Thin Struts and Wires

Cited by 242 publications

References 7 publications

Modelling of a microstrip patch antenna using a hybrid FDTD/PEEC method

Modelling of a microstrip patch antenna using a hybrid FDTD/PEEC method

Simulations and Effects of Natural Environments on Low Frequency Antennas With Three-Dimensional FDTD Method

Focusing Characteristics of a Metallic Cylindrical Electromagnetic Band Gap Structure With Defects

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