Fractional Calculus-Based Modeling of Electromagnetic Field Propagation in Arbitrary Biological Tissue; Mathematical Problems in Engineering; Vol. 2016
| Parent link: | Mathematical Problems in Engineering: open access journal.— , 1995 Vol. 2016.— 2016.— [Article ID 5676903, 11 p.] |
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| Další autoři: | , |
| Shrnutí: | Title screen The interaction of electromagnetic fields and biological tissues has become a topic of increasing interest for new research activities in bioelectrics, a new interdisciplinary field combining knowledge of electromagnetic theory, modeling, and simulations, physics, material science, cell biology, and medicine. In particular, the feasibility of pulsed electromagnetic fields in RF and mm-wave frequency range has been investigated with the objective to discover new noninvasive techniques in healthcare. The aim of this contribution is to illustrate a novel Finite-Difference Time-Domain (FDTD) scheme for simulating electromagnetic pulse propagation in arbitrary dispersive biological media. The proposed method is based on the fractional calculus theory and a general series expansion of the permittivity function. The spatial dispersion effects are taken into account, too. The resulting formulation is explicit, it has a second-order accuracy, and the need for additional storage variables is minimal. The comparison between simulation results and those evaluated by using an analytical method based on the Fourier transformation demonstrates the accuracy and effectiveness of the developed FDTD model. Five numerical examples showing the plane wave propagation in a variety of dispersive media are examined. |
| Jazyk: | angličtina |
| Vydáno: |
2016
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| Témata: | |
| On-line přístup: | http://dx.doi.org/10.1155/2016/5676903 |
| Médium: | Elektronický zdroj Kapitola |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=654722 |
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| 200 | 1 | |a Fractional Calculus-Based Modeling of Electromagnetic Field Propagation in Arbitrary Biological Tissue |f P. Bia, L. Mescia, D. Karatelli | |
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| 320 | |a [References: 34 tit.] | ||
| 330 | |a The interaction of electromagnetic fields and biological tissues has become a topic of increasing interest for new research activities in bioelectrics, a new interdisciplinary field combining knowledge of electromagnetic theory, modeling, and simulations, physics, material science, cell biology, and medicine. In particular, the feasibility of pulsed electromagnetic fields in RF and mm-wave frequency range has been investigated with the objective to discover new noninvasive techniques in healthcare. The aim of this contribution is to illustrate a novel Finite-Difference Time-Domain (FDTD) scheme for simulating electromagnetic pulse propagation in arbitrary dispersive biological media. The proposed method is based on the fractional calculus theory and a general series expansion of the permittivity function. The spatial dispersion effects are taken into account, too. The resulting formulation is explicit, it has a second-order accuracy, and the need for additional storage variables is minimal. The comparison between simulation results and those evaluated by using an analytical method based on the Fourier transformation demonstrates the accuracy and effectiveness of the developed FDTD model. Five numerical examples showing the plane wave propagation in a variety of dispersive media are examined. | ||
| 461 | |t Mathematical Problems in Engineering |o open access journal |d 1995 | ||
| 463 | |t Vol. 2016 |v [Article ID 5676903, 11 p.] |d 2016 | ||
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