Figure 1 International reference computational models for children (the left figure is a volume rendering display and the right figure is a cross-sectional view).
NICT has developed international reference computational human models of children to enable highly generalizable EMF dosimetry unaffected by individual differences. These child models are now available free of charge for non-commercial research purposes. Their terms and conditions of use can be found on the following page:
The released models represent 1-, 5-, and 10-year-old children using fine blocks (2 mm cubes) to represent their anatomical structures (see Figure 1). Each block corresponds to about 50 different tissues or organs, adjusted to match the International Commission on Radiological Protection (ICRP)'s reference values for body shape and tissue and organ masses in children. With specific electrical constants assigned to the tissues and organs in each model, the absorption of radio waves in children can be calculated.
These models offer versatility by allowing the substitution of physical properties and enabling numerical simulations and technology development in various fields. To date, adult male and female models have been useful in areas such as human body damage analysis in vehicle collisions and radiotherapy dose optimization. Similarly, these child models have potential applications in various fields.