Search Results - "Railton, Chris J"

Rotated Subgrids in the FDTD Method by Railton, Chris J.

“…Although the finite-difference time-domain (FDTD) method is well established for addressing a wide variety of problems, a long standing challenge is to reduce…”
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Efficient and Accurate Modeling of Curved Dispersive Objects Using FDTD With Special Anisotropic Treatment by Railton, Chris J.

“…While much research has been done on the use of finite-difference time-domain to analyze structures containing dispersive material and curved dielectric…”
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The Treatment of Thin Wire and Coaxial Structures in Lossless and Lossy Media in FDTD by the Modification of Assigned Material Parameters by Railton, C.J., Paul, D.L., Dumanli, S.

“…It has been shown recently that the use of modified assigned material parameters (MAMPs) within the finite-difference time-domain (FDTD) method provides a…”
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A Slot Antenna Array With Low Mutual Coupling for Use on Small Mobile Terminals by Dumanli, Sema, Railton, Chris J, Paul, Dominique L

“…In order to take full advantage of the benefits to be obtained by using MIMO techniques for mobile communications, it is necessary to use an antenna array…”
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A Numerical Study of Debye and Conductive Dispersion in High-Dielectric Materials Using a General ADE-FDTD Algorithm by Gibbins, David R., Railton, Chris J., Craddock, Ian J., Henriksson, Tommy N. T.

“…A new formulation of the auxiliary difference equation (ADE) finite-difference time-domain (FDTD) algorithm for the simulation of dispersive materials has been…”
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On-Body Transmission at 5.2 GHz: Simulations Using FDTD With a Time Domain Huygens' Technique by Dumanli, S., Railton, C. J.

“…On-body communications systems are heavily influenced by the effects of the human body and cannot be analyzed without taking these into account. This, however,…”
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Analysis of a UWB Hemispherical Antenna Array in FDTD With a Time Domain Huygens Method by Christodoulou, Chrysovalanto, Railton, Chris J., Klemm, M., Gibbins, David, Craddock, Ian J.

“…Electromagnetic modeling is needed in a wide variety of large and complex situations. Existing numerical techniques such as finite difference time domain…”
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Analysis of Coupled Tilted Slot Antennas in FDTD Using a Novel Time Domain Huygens Method With Application to Body Area Networks by Dumanli, S., Railton, C. J.

“…Despite the undoubted versatility and effectiveness of the finite-difference time-domain (FDTD) method and its enhancements, there remain some problems which…”
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Spherical ADI FDTD Method With Application to Propagation in the Earth Ionosphere Cavity by Paul, D. L., Railton, C. J.

“…The alternating direction implicit (ADI) finite-difference time-domain (FDTD) technique is implemented using the spherical coordinate system and applied to…”
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Analysis of Structures Containing Sharp Oblique Metal Edges in FDTD Using MAMPs by Railton, C J, Paul, D L

“…Previous enhancements to the finite difference time domain method have facilitated the analysis of structures such as those containing sharp metal edges which…”
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Modelling of Microstrip Circuit Using a Hybrid PEEC/FDTD Approach by Ren, K., Railton, C.J.

“…Currently available electromagnetic analysis methods are showing their limitations when large complex circuit structures, such as modern printed circuit boards…”
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FDTD Simulation of Inverse 3-D Face-Centered Cubic Photonic Crystal Cavities by Ho, Y. D., Ivanov, P. S., Engin, E., Nicol, M. F. J., Taverne, M. P. C., Chengyong Hu, Cryan, M. J., Craddock, I. J., Railton, C. J., Rarity, J. G.

“…We present the modeling and simulation of 3-D face-centered cubic photonic crystal (PhC) cavities with various defects. We use the plane-wave expansion method…”
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The treatment of geometrically small structures in FDTD by the modification of assigned material parameters by Railton, C.J., Paul, D.L., Craddock, I.J., Hilton, G.S.

“…A number of different improvements to the analysis by finite-difference time-domain (FDTD) of small structures, such as wires, strips and slots have been…”
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Three-Dimensional FDTD Simulation of Micro-Pillar Microcavity Geometries Suitable for Efficient Single-Photon Sources by Ho, Y.-L.D., Tun Cao, Ivanov, P.S., Cryan, M.J., Craddock, I.J., Railton, C.J., Rarity, J.G.

“…We present the results of calculations of the microcavity mode structure of distributed-Bragg-reflector (DBR) micro-pillar microcavities of group III-V…”
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Rotated Nonuniform Subgrids in the FDTD Method With Application to a Hemispherical Antenna Array by Railton, Chris J.

“…The use of subgrids in the finite-difference time-domain method to facilitate the analysis of multiscale problems is now well established. However, many of the…”
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Analyzing electromagnetic structures with curved boundaries on Cartesian FDTD meshes by Yang Hao, Railton, C.J.

“…In this paper, a new finite-difference time-domain (FDTD) algorithm is investigated to analyze electromagnetic structures with curved boundaries using a…”
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A rotated subgrid for 3D FDTD by Railton, Chris J.

“…In most published work on subgrids for the FDTD method, Cartesian subgrids are proposed which are in the same orientation as the main grid. However there is…”
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The treatment of thin wires in the FDTD method using a weighted residuals approach by Railton, C.J., Boon Ping Koh, Craddock, I.J.

“…In this contribution, the problem of accurately representing thin wires within the finite-difference time-domain (FDTD) mesh is addressed by means of a method…”
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A stable subgridding algorithm and its application to eigenvalue problems by Krishnaiah, K.M., Railton, C.J.

“…In this paper, a new and stable subgridding algorithm is proposed for three-dimensional problems which provides subgridding in both space and time. The concept…”
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The inclusion of fringing capacitance and inductance in FDTD for the robust accurate treatment of material discontinuities by Railton, C.J.

“…The analysis of structures, which contain sharp material discontinuities using the finite-difference time domain method (but without resorting to a very fine…”
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