P62704-4 - IEC/IEEE International Draft Standard - Determining the Peak Spatial-Average Specific Absorption Rate (SAR) in the Human Body from Wireless Communications Devices, 30 MHz - 6 GHz: Part 4: General Requirements for Using the finite element method (FEM) for SAR Calculations
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The scope of this document is to describe the concepts, techniques, and limitations of the finite element method (FEM) and to specify models and procedures for verification, validation and uncertainty assessment for the FEM when used for determining the peak spatial-average specific absorption rate (psSAR) in phantoms or anatomical models. It recommends and provides guidance on the modelling of wireless communication devices, and provides benchmark data for simulating the SAR in such phantoms or models. Several methods described in this standard are based on techniques specified in IEC/IEEE 62704-1:2017, which is therefore included as a normative reference. The applicable frequency range is 30 MHz to 6 GHz. This standard does not recommend specific SAR limits because these are found elsewhere (e.g. in IEEE Std C95.1 [1] or in the guidelines published by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) [2]).
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