Hybrid integral equation/finite difference method for computation of interaction of mobile telephone antenna with the human head

An approach to hybridisation of the method of moments and the finite difference time domain method is investigated. This hybrid method is capable of analysing a system of multiple physically-unconnected regions by employing the principle of equivalent sources. Such a technique is particularly suitable for computation of the coupling between the human head and a mobile telephone, since the most appropriate method may be chosen for each domain (MoM for the handset and FDTD for the head). The case of multiple sources in the presence of scattering objects is discussed. Some examples are given for testing the validity of the approach and results are compared with other available data