#### magbach

##### Junior Member level 2

**how to calculate sar**

i use the FDTD méthode to simulate the E fieled in head phantom in 3D (IEEEsc34 recomendation) i use Matlab bat i dont new hox to use thise equation : SAR= sigma*E^2/ro. i think i must take acube contein 10g or 1g and calculate the SAR in every cell and sum total cube.

if any one new how to calculate : local SAR and global SAR in FDTD please help me

thanks