Modelling the interaction of electromagnetic fields (10 MHz–10 GHz) with the human body: methods and applications
- 24 July 2008
- journal article
- review article
- Published by IOP Publishing in Physics in Medicine & Biology
- Vol. 53 (16), R243-R286
- https://doi.org/10.1088/0031-9155/53/16/r01
Abstract
Numerical modelling of the interaction between electromagnetic fields (EMFs) and the dielectrically inhomogeneous human body provides a unique way of assessing the resulting spatial distributions of internal electric fields, currents and rate of energy deposition. Knowledge of these parameters is of importance in understanding such interactions and is a prerequisite when assessing EMF exposure or when assessing or optimizing therapeutic or diagnostic medical applications that employ EMFs. In this review, computational methods that provide this information through full time-dependent solutions of Maxwell's equations are summarized briefly. This is followed by an overview of safety- and medical-related applications where modelling has contributed significantly to development and understanding of the techniques involved. In particular, applications in the areas of mobile communications, magnetic resonance imaging, hyperthermal therapy and microwave radiometry are highlighted. Finally, examples of modelling the potentially new medical applications of recent technologies such as ultra-wideband microwaves are discussed.Keywords
This publication has 98 references indexed in Scilit:
- SAR in the mother and foetus for RF plane wave irradiationPhysics in Medicine & Biology, 2007
- The effect of authentic metallic implants on the SAR distribution of the head exposed to 900, 1800 and 2450 MHz dipole near fieldPhysics in Medicine & Biology, 2007
- Dielectric measurement: error analysis and assessment of uncertaintyPhysics in Medicine & Biology, 2006
- FDTD calculation of whole-body average SAR in adult and child models for frequencies from 30 MHz to 3 GHzPhysics in Medicine & Biology, 2006
- Calculations ofB 1 distribution, specific energy absorption rate, and intrinsic signal-to-noise ratio for a body-size birdcage coil loaded with different human subjects at 64 and 128 MHzApplied Magnetic Resonance, 2005
- A numerical and experimental comparison of human head phantoms for compliance testing of mobile telephone equipmentBioelectromagnetics, 2005
- High frequency volume coils for clinical NMR imaging and spectroscopyMagnetic Resonance in Medicine, 1994
- Specific Absorption Rates and Induced Current Distributions in an Anatomically Based Human Model For Plane-wave ExposuresHealth Physics, 1992
- An analytical model for the design of RF resonators for MR body imagingMagnetic Resonance in Medicine, 1991
- RF magnetic field penetration, phase shift and power dissipation in biological tissue: implications for NMR imagingPhysics in Medicine & Biology, 1978