SAR calculation using FDTD simulations

Article English OPEN
Ferro, Francisco Nabais ; Pinto, Guilherme Taveira ; Pinho, Pedro (2009)
  • Publisher: Instituto Politécnico de Lisboa
  • Subject: FDTD | SAR

The main intend of this work, is to determinate the Specific Absorption Rate (SAR) on human head tissues exposed to radiation caused by sources of 900 and 1800MHz, since those are the typical frequencies for mobile communications systems nowadays. In order to determinate the SAR, has been used the FDTD (Finite Difference Time Domain), which is a numeric method in time domain, obtained from the Maxwell equations in differential mode. In order to do this, a computational model from the human head in two dimensions made with cells of the smallest possible size was implemented, respecting the limits from computational processing. It was possible to verify the very good efficiency of the FDTD method in the resolution of those types of problems.
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