Spatial resolution of numerical models of man and calculated specific absorption rate using the FDTD method: a study at 64 MHz in a magnetic resonance imaging coil.

@article{Collins2003SpatialRO,
  title={Spatial resolution of numerical models of man and calculated specific absorption rate using the FDTD method: a study at 64 MHz in a magnetic resonance imaging coil.},
  author={Christopher M. Collins and Michael B. Smith},
  journal={Journal of magnetic resonance imaging : JMRI},
  year={2003},
  volume={18 3},
  pages={383-8}
}
PURPOSE To examine how fine a model resolution is necessary for calculation of specific energy absorption rate (SAR) for the human head in regions as small as 1 g. MATERIALS AND METHODS Here we perform a simple study comparing the maximum SAR averaged over any 1 cm(3) and SAR averaged over the entire head for several models of the same human head within the same radiofrequency coil, but with spatial resolutions varying from 8-100 Yee cells per cm(3). RESULTS Over the range of model… CONTINUE READING