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Rotated sub-grids in the FDTD Method

Research output: Contribution to journalArticle

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Rotated sub-grids in the FDTD Method. / Railton, Christopher J.

In: IEEE Transactions on Antennas and Propagation, Vol. 64, No. 7, 04.07.2016, p. 3047-3054.

Research output: Contribution to journalArticle

Harvard

Railton, CJ 2016, 'Rotated sub-grids in the FDTD Method', IEEE Transactions on Antennas and Propagation, vol. 64, no. 7, pp. 3047-3054. https://doi.org/10.1109/TAP.2016.2559520

APA

Railton, C. J. (2016). Rotated sub-grids in the FDTD Method. IEEE Transactions on Antennas and Propagation, 64(7), 3047-3054. https://doi.org/10.1109/TAP.2016.2559520

Vancouver

Railton CJ. Rotated sub-grids in the FDTD Method. IEEE Transactions on Antennas and Propagation. 2016 Jul 4;64(7):3047-3054. https://doi.org/10.1109/TAP.2016.2559520

Author

Railton, Christopher J. / Rotated sub-grids in the FDTD Method. In: IEEE Transactions on Antennas and Propagation. 2016 ; Vol. 64, No. 7. pp. 3047-3054.

Bibtex

@article{6b3640918571478b8be8e3a13ee44aab,
title = "Rotated sub-grids in the FDTD Method",
abstract = "Although the Finite Difference Time Domain (FDTD) method is well established for addressing a wide variety problems, a long standing challenge is to reduce discretization errors while avoiding the use of impractically large numbers of cells, particularly when the structure is large and contains regions of fine detail. One solution is to use sub-grids but in most published work, Cartesian sub-grids are proposed which are constrained to have the same orientation as the main grid. However there is considerable benefit to allowing for the sub-grid to be rotated. In this work, a method for introducing a rotated sub-grid into the FDTD mesh is presented and its effectiveness, accuracy and stability is demonstrated by means of some simple examples.",
keywords = "FDTD methods",
author = "Railton, {Christopher J}",
year = "2016",
month = "7",
day = "4",
doi = "10.1109/TAP.2016.2559520",
language = "English",
volume = "64",
pages = "3047--3054",
journal = "IEEE Transactions on Antennas and Propagation",
issn = "0018-926X",
publisher = "Institute of Electrical and Electronics Engineers (IEEE)",
number = "7",

}

RIS - suitable for import to EndNote

TY - JOUR

T1 - Rotated sub-grids in the FDTD Method

AU - Railton, Christopher J

PY - 2016/7/4

Y1 - 2016/7/4

N2 - Although the Finite Difference Time Domain (FDTD) method is well established for addressing a wide variety problems, a long standing challenge is to reduce discretization errors while avoiding the use of impractically large numbers of cells, particularly when the structure is large and contains regions of fine detail. One solution is to use sub-grids but in most published work, Cartesian sub-grids are proposed which are constrained to have the same orientation as the main grid. However there is considerable benefit to allowing for the sub-grid to be rotated. In this work, a method for introducing a rotated sub-grid into the FDTD mesh is presented and its effectiveness, accuracy and stability is demonstrated by means of some simple examples.

AB - Although the Finite Difference Time Domain (FDTD) method is well established for addressing a wide variety problems, a long standing challenge is to reduce discretization errors while avoiding the use of impractically large numbers of cells, particularly when the structure is large and contains regions of fine detail. One solution is to use sub-grids but in most published work, Cartesian sub-grids are proposed which are constrained to have the same orientation as the main grid. However there is considerable benefit to allowing for the sub-grid to be rotated. In this work, a method for introducing a rotated sub-grid into the FDTD mesh is presented and its effectiveness, accuracy and stability is demonstrated by means of some simple examples.

KW - FDTD methods

U2 - 10.1109/TAP.2016.2559520

DO - 10.1109/TAP.2016.2559520

M3 - Article

VL - 64

SP - 3047

EP - 3054

JO - IEEE Transactions on Antennas and Propagation

JF - IEEE Transactions on Antennas and Propagation

SN - 0018-926X

IS - 7

ER -